Analysis
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max time kernel
154s -
max time network
156s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
06-12-2022 14:30
Static task
static1
Behavioral task
behavioral1
Sample
a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe
Resource
win10v2004-20221111-en
General
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Target
a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe
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Size
556KB
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MD5
032b91072be80281729f7c1f885eea80
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SHA1
d34598ac37a8ac46d8472e2868bb59fd5b9111ce
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SHA256
a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3
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SHA512
0aca360435a62b9e13fe0c94ba1b77b9a500091528a54aff5415da8c1853f785d3d6c01c2bddbb66dfd39cead52720d9fa81b0a387c0124d2487da10b4f1dfd2
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SSDEEP
12288:u7Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:u7L1yMgcnOds44Fp2PWUDI8
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\5116369f\\X" Explorer.EXE -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" NB4wr66jY4.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" coajek.exe -
Executes dropped EXE 11 IoCs
pid Process 1760 NB4wr66jY4.exe 1472 coajek.exe 1276 2xek.exe 1504 2xek.exe 564 2xek.exe 1932 2xek.exe 1268 2xek.exe 344 2xek.exe 1328 3xek.exe 336 csrss.exe 1736 X -
resource yara_rule behavioral1/memory/564-84-0x0000000000400000-0x0000000000429000-memory.dmp upx behavioral1/memory/1932-93-0x0000000000400000-0x0000000000455000-memory.dmp upx behavioral1/memory/564-96-0x0000000000400000-0x0000000000429000-memory.dmp upx behavioral1/memory/1932-99-0x0000000000400000-0x0000000000455000-memory.dmp upx behavioral1/memory/564-98-0x0000000000400000-0x0000000000429000-memory.dmp upx behavioral1/memory/1932-106-0x0000000000400000-0x0000000000455000-memory.dmp upx behavioral1/memory/1268-108-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/memory/1932-107-0x0000000000400000-0x0000000000455000-memory.dmp upx behavioral1/memory/1268-105-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/memory/1268-104-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/memory/1932-97-0x0000000000400000-0x0000000000455000-memory.dmp upx behavioral1/memory/344-113-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral1/memory/344-117-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral1/memory/1268-116-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/memory/344-115-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral1/memory/564-87-0x0000000000400000-0x0000000000429000-memory.dmp upx behavioral1/memory/1268-121-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/memory/564-86-0x0000000000400000-0x0000000000429000-memory.dmp upx behavioral1/memory/344-122-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral1/memory/344-125-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral1/memory/344-130-0x0000000000400000-0x000000000040A000-memory.dmp upx behavioral1/memory/564-131-0x0000000000400000-0x0000000000429000-memory.dmp upx behavioral1/memory/1268-133-0x0000000000400000-0x0000000000407000-memory.dmp upx behavioral1/memory/1932-132-0x0000000000400000-0x0000000000455000-memory.dmp upx behavioral1/memory/564-168-0x0000000000400000-0x0000000000429000-memory.dmp upx behavioral1/memory/1932-169-0x0000000000400000-0x0000000000455000-memory.dmp upx -
Deletes itself 1 IoCs
pid Process 1504 cmd.exe -
Loads dropped DLL 10 IoCs
pid Process 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 1760 NB4wr66jY4.exe 1760 NB4wr66jY4.exe 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 1328 3xek.exe 1328 3xek.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Unexpected DNS network traffic destination 5 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 31.193.3.240 Destination IP 31.193.3.240 Destination IP 31.193.3.240 Destination IP 31.193.3.240 Destination IP 31.193.3.240 -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /Z" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /v" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /f" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /Y" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /K" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /w" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /N" NB4wr66jY4.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /h" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /G" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /a" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /M" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /r" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /Q" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /o" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /S" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /X" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /l" coajek.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /T" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /A" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /J" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /t" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /p" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /F" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /u" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /m" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /L" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /D" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /E" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /B" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /d" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /y" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /z" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /V" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /b" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /n" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /e" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /R" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /P" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /g" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /H" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /N" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /x" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /s" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /W" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /c" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /O" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /U" coajek.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /k" coajek.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ NB4wr66jY4.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\coajek = "C:\\Users\\Admin\\coajek.exe /i" coajek.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 2xek.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 2xek.exe -
Suspicious use of SetThreadContext 6 IoCs
description pid Process procid_target PID 1276 set thread context of 1504 1276 2xek.exe 33 PID 1276 set thread context of 564 1276 2xek.exe 34 PID 1276 set thread context of 1932 1276 2xek.exe 35 PID 1276 set thread context of 1268 1276 2xek.exe 36 PID 1276 set thread context of 344 1276 2xek.exe 37 PID 1328 set thread context of 1532 1328 3xek.exe 42 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Enumerates processes with tasklist 1 TTPs 2 IoCs
pid Process 516 tasklist.exe 1124 tasklist.exe -
Modifies registry class 3 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3097c7e0-1ac2-2f18-0d68-79804155316e}\cid = "11632196165706064695" 3xek.exe Key created \registry\machine\Software\Classes\Interface\{3097c7e0-1ac2-2f18-0d68-79804155316e} 3xek.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3097c7e0-1ac2-2f18-0d68-79804155316e}\u = "188" 3xek.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1760 NB4wr66jY4.exe 1760 NB4wr66jY4.exe 564 2xek.exe 1472 coajek.exe 1328 3xek.exe 1328 3xek.exe 1328 3xek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1328 3xek.exe 1736 X 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 564 2xek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe 1472 coajek.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1220 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 516 tasklist.exe Token: SeDebugPrivilege 1328 3xek.exe Token: SeDebugPrivilege 1328 3xek.exe Token: SeDebugPrivilege 1124 tasklist.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1220 Explorer.EXE 1220 Explorer.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1220 Explorer.EXE 1220 Explorer.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 1760 NB4wr66jY4.exe 1472 coajek.exe 1276 2xek.exe 1268 2xek.exe 344 2xek.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 336 csrss.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1552 wrote to memory of 1760 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 26 PID 1552 wrote to memory of 1760 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 26 PID 1552 wrote to memory of 1760 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 26 PID 1552 wrote to memory of 1760 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 26 PID 1760 wrote to memory of 1472 1760 NB4wr66jY4.exe 27 PID 1760 wrote to memory of 1472 1760 NB4wr66jY4.exe 27 PID 1760 wrote to memory of 1472 1760 NB4wr66jY4.exe 27 PID 1760 wrote to memory of 1472 1760 NB4wr66jY4.exe 27 PID 1760 wrote to memory of 700 1760 NB4wr66jY4.exe 28 PID 1760 wrote to memory of 700 1760 NB4wr66jY4.exe 28 PID 1760 wrote to memory of 700 1760 NB4wr66jY4.exe 28 PID 1760 wrote to memory of 700 1760 NB4wr66jY4.exe 28 PID 700 wrote to memory of 516 700 cmd.exe 30 PID 700 wrote to memory of 516 700 cmd.exe 30 PID 700 wrote to memory of 516 700 cmd.exe 30 PID 700 wrote to memory of 516 700 cmd.exe 30 PID 1552 wrote to memory of 1276 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 32 PID 1552 wrote to memory of 1276 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 32 PID 1552 wrote to memory of 1276 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 32 PID 1552 wrote to memory of 1276 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 32 PID 1276 wrote to memory of 1504 1276 2xek.exe 33 PID 1276 wrote to memory of 1504 1276 2xek.exe 33 PID 1276 wrote to memory of 1504 1276 2xek.exe 33 PID 1276 wrote to memory of 1504 1276 2xek.exe 33 PID 1276 wrote to memory of 1504 1276 2xek.exe 33 PID 1276 wrote to memory of 564 1276 2xek.exe 34 PID 1276 wrote to memory of 564 1276 2xek.exe 34 PID 1276 wrote to memory of 564 1276 2xek.exe 34 PID 1276 wrote to memory of 564 1276 2xek.exe 34 PID 1276 wrote to memory of 564 1276 2xek.exe 34 PID 1276 wrote to memory of 564 1276 2xek.exe 34 PID 1276 wrote to memory of 564 1276 2xek.exe 34 PID 1276 wrote to memory of 564 1276 2xek.exe 34 PID 1276 wrote to memory of 1932 1276 2xek.exe 35 PID 1276 wrote to memory of 1932 1276 2xek.exe 35 PID 1276 wrote to memory of 1932 1276 2xek.exe 35 PID 1276 wrote to memory of 1932 1276 2xek.exe 35 PID 1276 wrote to memory of 1932 1276 2xek.exe 35 PID 1276 wrote to memory of 1932 1276 2xek.exe 35 PID 1276 wrote to memory of 1932 1276 2xek.exe 35 PID 1276 wrote to memory of 1932 1276 2xek.exe 35 PID 1276 wrote to memory of 1268 1276 2xek.exe 36 PID 1276 wrote to memory of 1268 1276 2xek.exe 36 PID 1276 wrote to memory of 1268 1276 2xek.exe 36 PID 1276 wrote to memory of 1268 1276 2xek.exe 36 PID 1276 wrote to memory of 1268 1276 2xek.exe 36 PID 1276 wrote to memory of 1268 1276 2xek.exe 36 PID 1276 wrote to memory of 1268 1276 2xek.exe 36 PID 1276 wrote to memory of 1268 1276 2xek.exe 36 PID 1276 wrote to memory of 344 1276 2xek.exe 37 PID 1276 wrote to memory of 344 1276 2xek.exe 37 PID 1276 wrote to memory of 344 1276 2xek.exe 37 PID 1276 wrote to memory of 344 1276 2xek.exe 37 PID 1276 wrote to memory of 344 1276 2xek.exe 37 PID 1276 wrote to memory of 344 1276 2xek.exe 37 PID 1276 wrote to memory of 344 1276 2xek.exe 37 PID 1276 wrote to memory of 344 1276 2xek.exe 37 PID 1552 wrote to memory of 1328 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 38 PID 1552 wrote to memory of 1328 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 38 PID 1552 wrote to memory of 1328 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 38 PID 1552 wrote to memory of 1328 1552 a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe 38 PID 1328 wrote to memory of 1220 1328 3xek.exe 23 PID 1328 wrote to memory of 336 1328 3xek.exe 6 PID 1328 wrote to memory of 1736 1328 3xek.exe 39
Processes
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C:\Windows\system32\csrss.exe%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=161⤵
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:336
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Modifies WinLogon for persistence
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1220 -
C:\Users\Admin\AppData\Local\Temp\a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe"C:\Users\Admin\AppData\Local\Temp\a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1552 -
C:\Users\Admin\NB4wr66jY4.exeC:\Users\Admin\NB4wr66jY4.exe3⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1760 -
C:\Users\Admin\coajek.exe"C:\Users\Admin\coajek.exe"4⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1472
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c tasklist&&del NB4wr66jY4.exe4⤵
- Suspicious use of WriteProcessMemory
PID:700 -
C:\Windows\SysWOW64\tasklist.exetasklist5⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:516
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C:\Users\Admin\2xek.exeC:\Users\Admin\2xek.exe3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1276 -
C:\Users\Admin\2xek.exe"C:\Users\Admin\2xek.exe"4⤵
- Executes dropped EXE
PID:1504
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C:\Users\Admin\2xek.exe"C:\Users\Admin\2xek.exe"4⤵
- Executes dropped EXE
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:564
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C:\Users\Admin\2xek.exe"C:\Users\Admin\2xek.exe"4⤵
- Executes dropped EXE
PID:1932
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C:\Users\Admin\2xek.exe"C:\Users\Admin\2xek.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1268
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C:\Users\Admin\2xek.exe"C:\Users\Admin\2xek.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:344
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C:\Users\Admin\3xek.exeC:\Users\Admin\3xek.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1328 -
C:\Users\Admin\AppData\Local\5116369f\X*0*bc*5e922337*31.193.3.240:534⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1736
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"4⤵PID:1532
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c tasklist&&del a549c31c9f8dd7d11dfa3b9b3ff12c293ed6a5f3e735d9c6578f07f9153b0fc3.exe3⤵
- Deletes itself
PID:1504 -
C:\Windows\SysWOW64\tasklist.exetasklist4⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1124
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{F9717507-6651-4EDB-BFF7-AE615179BCCF}1⤵PID:1600
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C:\Windows\system32\DllHost.exeC:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}1⤵PID:332
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
164KB
MD5c94ab34868ec4624e1e7e95e234a48ed
SHA1b419f37f2fabdac6598cf59fbc505de59a51de77
SHA2569772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897
SHA512e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5
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Filesize
164KB
MD5c94ab34868ec4624e1e7e95e234a48ed
SHA1b419f37f2fabdac6598cf59fbc505de59a51de77
SHA2569772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897
SHA512e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5
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Filesize
164KB
MD5c94ab34868ec4624e1e7e95e234a48ed
SHA1b419f37f2fabdac6598cf59fbc505de59a51de77
SHA2569772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897
SHA512e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5
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Filesize
164KB
MD5c94ab34868ec4624e1e7e95e234a48ed
SHA1b419f37f2fabdac6598cf59fbc505de59a51de77
SHA2569772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897
SHA512e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5
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Filesize
164KB
MD5c94ab34868ec4624e1e7e95e234a48ed
SHA1b419f37f2fabdac6598cf59fbc505de59a51de77
SHA2569772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897
SHA512e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5
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Filesize
164KB
MD5c94ab34868ec4624e1e7e95e234a48ed
SHA1b419f37f2fabdac6598cf59fbc505de59a51de77
SHA2569772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897
SHA512e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5
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Filesize
164KB
MD5c94ab34868ec4624e1e7e95e234a48ed
SHA1b419f37f2fabdac6598cf59fbc505de59a51de77
SHA2569772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897
SHA512e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5
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Filesize
251KB
MD52ce19a9f18fc524fe115603b4ad9b9aa
SHA130b4c119d4b915826b020b12b7a6d5c7c5fd3c0e
SHA2566fbf9cc7aea0d80f7706603a0b8b11938a9a0e34557adb18b711d08cec13d7a3
SHA512c060d4c01799b6bd51947534359547c394d7f412d8edf2f3b3c6ac33ac13b66eee9503495cc5997ec9a4df162518422a5f4e13d75fe274baee1580d8e6a752b6
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Filesize
251KB
MD52ce19a9f18fc524fe115603b4ad9b9aa
SHA130b4c119d4b915826b020b12b7a6d5c7c5fd3c0e
SHA2566fbf9cc7aea0d80f7706603a0b8b11938a9a0e34557adb18b711d08cec13d7a3
SHA512c060d4c01799b6bd51947534359547c394d7f412d8edf2f3b3c6ac33ac13b66eee9503495cc5997ec9a4df162518422a5f4e13d75fe274baee1580d8e6a752b6
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Filesize
38KB
MD572de2dadaf875e2fd7614e100419033c
SHA15f17c5330e91a42daa9ff24c4aa602bd1a72bf6e
SHA256c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381
SHA512e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3
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Filesize
224KB
MD55f3f430c5d00e2a2e4e1aae0e09078b9
SHA148a6be11c16e694c42fa0a0d05783177ba1c4adb
SHA256b1799329b5f9bffacf98c4d5542dc7e1b4021e6b3b0970bc1aec0f6094e0d867
SHA5123a41d2084d82a4aaeb6136c629f4dd84a813759570b3ffea2856e3358c2fb11fa19c4c6c5924f78cb0d1e297c7f928ecf4c019cafee15e1aa3fefa3eb05b0873
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Filesize
224KB
MD55f3f430c5d00e2a2e4e1aae0e09078b9
SHA148a6be11c16e694c42fa0a0d05783177ba1c4adb
SHA256b1799329b5f9bffacf98c4d5542dc7e1b4021e6b3b0970bc1aec0f6094e0d867
SHA5123a41d2084d82a4aaeb6136c629f4dd84a813759570b3ffea2856e3358c2fb11fa19c4c6c5924f78cb0d1e297c7f928ecf4c019cafee15e1aa3fefa3eb05b0873
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Filesize
224KB
MD5b80a8291eb1f66f6a6e28f82fd6ee9eb
SHA1e89820440a4cbaac2c4855daaad3a7ff5ea37638
SHA256f39690b0e1f40ad1bae0c0a4cc2d81c94bb5c4434c27651da940463a53f0b4f5
SHA51256a8b5a788b8230a3e91d6f4e595e94cd779e5a69aa0b676767443d50cbbdc130316b704801a7b7fc92de93bceb43410f07600f0a63a98a41ed5630bba7ef12b
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Filesize
224KB
MD5b80a8291eb1f66f6a6e28f82fd6ee9eb
SHA1e89820440a4cbaac2c4855daaad3a7ff5ea37638
SHA256f39690b0e1f40ad1bae0c0a4cc2d81c94bb5c4434c27651da940463a53f0b4f5
SHA51256a8b5a788b8230a3e91d6f4e595e94cd779e5a69aa0b676767443d50cbbdc130316b704801a7b7fc92de93bceb43410f07600f0a63a98a41ed5630bba7ef12b
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Filesize
29KB
MD51149c1bd71248a9d170e4568fb08df30
SHA16f77f183d65709901f476c5d6eebaed060a495f9
SHA256c2dcf387cb4d218f50463338291e7db38afbdab9aab88fc54e7f9283df1792d1
SHA5129e6eac8facb23b38552d37c9f3cb24098f871d2885ecb3630fcd0199c5600b12a42f095f9fbeb90e5632496491d46fd987660cdda695e92dc386bd482d3ff459
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Filesize
164KB
MD5c94ab34868ec4624e1e7e95e234a48ed
SHA1b419f37f2fabdac6598cf59fbc505de59a51de77
SHA2569772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897
SHA512e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5
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Filesize
164KB
MD5c94ab34868ec4624e1e7e95e234a48ed
SHA1b419f37f2fabdac6598cf59fbc505de59a51de77
SHA2569772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897
SHA512e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5
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Filesize
251KB
MD52ce19a9f18fc524fe115603b4ad9b9aa
SHA130b4c119d4b915826b020b12b7a6d5c7c5fd3c0e
SHA2566fbf9cc7aea0d80f7706603a0b8b11938a9a0e34557adb18b711d08cec13d7a3
SHA512c060d4c01799b6bd51947534359547c394d7f412d8edf2f3b3c6ac33ac13b66eee9503495cc5997ec9a4df162518422a5f4e13d75fe274baee1580d8e6a752b6
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Filesize
251KB
MD52ce19a9f18fc524fe115603b4ad9b9aa
SHA130b4c119d4b915826b020b12b7a6d5c7c5fd3c0e
SHA2566fbf9cc7aea0d80f7706603a0b8b11938a9a0e34557adb18b711d08cec13d7a3
SHA512c060d4c01799b6bd51947534359547c394d7f412d8edf2f3b3c6ac33ac13b66eee9503495cc5997ec9a4df162518422a5f4e13d75fe274baee1580d8e6a752b6
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Filesize
38KB
MD572de2dadaf875e2fd7614e100419033c
SHA15f17c5330e91a42daa9ff24c4aa602bd1a72bf6e
SHA256c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381
SHA512e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3
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Filesize
38KB
MD572de2dadaf875e2fd7614e100419033c
SHA15f17c5330e91a42daa9ff24c4aa602bd1a72bf6e
SHA256c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381
SHA512e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3
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Filesize
224KB
MD55f3f430c5d00e2a2e4e1aae0e09078b9
SHA148a6be11c16e694c42fa0a0d05783177ba1c4adb
SHA256b1799329b5f9bffacf98c4d5542dc7e1b4021e6b3b0970bc1aec0f6094e0d867
SHA5123a41d2084d82a4aaeb6136c629f4dd84a813759570b3ffea2856e3358c2fb11fa19c4c6c5924f78cb0d1e297c7f928ecf4c019cafee15e1aa3fefa3eb05b0873
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Filesize
224KB
MD55f3f430c5d00e2a2e4e1aae0e09078b9
SHA148a6be11c16e694c42fa0a0d05783177ba1c4adb
SHA256b1799329b5f9bffacf98c4d5542dc7e1b4021e6b3b0970bc1aec0f6094e0d867
SHA5123a41d2084d82a4aaeb6136c629f4dd84a813759570b3ffea2856e3358c2fb11fa19c4c6c5924f78cb0d1e297c7f928ecf4c019cafee15e1aa3fefa3eb05b0873
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Filesize
224KB
MD5b80a8291eb1f66f6a6e28f82fd6ee9eb
SHA1e89820440a4cbaac2c4855daaad3a7ff5ea37638
SHA256f39690b0e1f40ad1bae0c0a4cc2d81c94bb5c4434c27651da940463a53f0b4f5
SHA51256a8b5a788b8230a3e91d6f4e595e94cd779e5a69aa0b676767443d50cbbdc130316b704801a7b7fc92de93bceb43410f07600f0a63a98a41ed5630bba7ef12b
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Filesize
224KB
MD5b80a8291eb1f66f6a6e28f82fd6ee9eb
SHA1e89820440a4cbaac2c4855daaad3a7ff5ea37638
SHA256f39690b0e1f40ad1bae0c0a4cc2d81c94bb5c4434c27651da940463a53f0b4f5
SHA51256a8b5a788b8230a3e91d6f4e595e94cd779e5a69aa0b676767443d50cbbdc130316b704801a7b7fc92de93bceb43410f07600f0a63a98a41ed5630bba7ef12b
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Filesize
29KB
MD51149c1bd71248a9d170e4568fb08df30
SHA16f77f183d65709901f476c5d6eebaed060a495f9
SHA256c2dcf387cb4d218f50463338291e7db38afbdab9aab88fc54e7f9283df1792d1
SHA5129e6eac8facb23b38552d37c9f3cb24098f871d2885ecb3630fcd0199c5600b12a42f095f9fbeb90e5632496491d46fd987660cdda695e92dc386bd482d3ff459
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Filesize
2KB
MD56d03845f1d43e10908336ba602894baa
SHA1e804767710e4c25c01705ca8290cbfc8ebe0ca0c
SHA256523ee58ceeed3abcbc59b51f745ebfdf3bff774dd9792e3be0f3aeb63e8ab324
SHA512632a2b6aed9dd21e35db28f131cf1c384eb4c553f3bbe05874ddbe6fa5fa9cbe2548033d420b057cad6d9e93b171c6baa4382194c151164ceb0fb924be29aa2b