13dd6a998bbcb295ebfbb6e82b14adfdca5a89d48448384acb26657f749f1058

Analysis

max time kernel
150s
max time network
131s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 17:18

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General

Target

75129aa64ee308f0e0755c9a7fdb30c5.exe
Size

556KB
MD5

75129aa64ee308f0e0755c9a7fdb30c5
SHA1

61032ff1e1186fe131bcc098513d980b6c04df0a
SHA256

13dd6a998bbcb295ebfbb6e82b14adfdca5a89d48448384acb26657f749f1058
SHA512

0a1085e251988806ecd3a8b56c48def1be56d1a2429bbe3895bc07fa7ca33c3209b472f9d46e9b368d7183215ab73d319bc874478ad1ea3d14e9fd1ffe63abb9
SSDEEP

12288:67Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:67L1yMgcnOds44Fp2PWUDI8

Score

10^/10

evasion persistence spyware stealer upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

Explorer.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\efb26d8c\\X"	Explorer.EXE

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Processes:

NB4wr66jY4.exewonoz.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	NB4wr66jY4.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	wonoz.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1744 cmd.exe
Executes dropped EXE 11 IoCs

Processes:

NB4wr66jY4.exewonoz.exe2xek.exe2xek.exe2xek.exe2xek.exe2xek.exe2xek.exe3xek.execsrss.exeX

pid process

1988 NB4wr66jY4.exe
2908 wonoz.exe
2820 2xek.exe
2072 2xek.exe
2576 2xek.exe
2596 2xek.exe
2632 2xek.exe
2628 2xek.exe
568 3xek.exe
336 csrss.exe
2004 X

pid	process
1744	cmd.exe

Loads dropped DLL 17 IoCs

Processes:

75129aa64ee308f0e0755c9a7fdb30c5.exeNB4wr66jY4.exeWerFault.exe3xek.exe

pid	process
2268	75129aa64ee308f0e0755c9a7fdb30c5.exe
2268	75129aa64ee308f0e0755c9a7fdb30c5.exe
1988	NB4wr66jY4.exe
1988	NB4wr66jY4.exe
2268	75129aa64ee308f0e0755c9a7fdb30c5.exe
2268	75129aa64ee308f0e0755c9a7fdb30c5.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2588	WerFault.exe
2268	75129aa64ee308f0e0755c9a7fdb30c5.exe
2268	75129aa64ee308f0e0755c9a7fdb30c5.exe
2588	WerFault.exe
568	3xek.exe
568	3xek.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 25 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2576-44-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2576-46-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2576-54-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2576-56-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2596-57-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2576-58-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2596-59-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2576-50-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2596-62-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2632-67-0x0000000000400000-0x0000000000407000-memory.dmp	upx
behavioral1/memory/2596-70-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2632-69-0x0000000000400000-0x0000000000407000-memory.dmp	upx
behavioral1/memory/2632-84-0x0000000000400000-0x0000000000407000-memory.dmp	upx
behavioral1/memory/2632-87-0x0000000000400000-0x0000000000407000-memory.dmp	upx
behavioral1/memory/2632-88-0x0000000000400000-0x0000000000407000-memory.dmp	upx
behavioral1/memory/2628-90-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/2628-86-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/2628-95-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/2628-98-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/2632-74-0x0000000000400000-0x0000000000407000-memory.dmp	upx
behavioral1/memory/2628-101-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/2628-100-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/2628-106-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/2576-132-0x0000000000400000-0x0000000000429000-memory.dmp	upx
behavioral1/memory/2632-155-0x0000000000400000-0x0000000000407000-memory.dmp	upx

Unexpected DNS network traffic destination 5 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.

Processes:

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

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

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

wonoz.exeNB4wr66jY4.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /w"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /s"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /H"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /d"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /V"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /L"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /Y"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /M"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /E"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /p"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /x"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /A"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /h"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /Z"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /T"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /k"	NB4wr66jY4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /W"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /G"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /u"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /F"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /U"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /t"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /n"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /K"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /D"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /m"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /k"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /N"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /v"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /a"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /f"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /j"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /l"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /q"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /Q"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /C"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /g"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /r"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /B"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /o"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /I"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /S"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /J"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /y"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /O"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /X"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /z"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /c"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /P"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /i"	wonoz.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\wonoz = "C:\\Users\\Admin\\wonoz.exe /R"	wonoz.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

2xek.exe

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

Processes:

2xek.exe3xek.exe

description	pid	process	target process
PID 2820 set thread context of 2072	2820	2xek.exe	2xek.exe
PID 2820 set thread context of 2576	2820	2xek.exe	2xek.exe
PID 2820 set thread context of 2596	2820	2xek.exe	2xek.exe
PID 2820 set thread context of 2632	2820	2xek.exe	2xek.exe
PID 2820 set thread context of 2628	2820	2xek.exe	2xek.exe
PID 568 set thread context of 1020	568	3xek.exe	cmd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2588 2596 WerFault.exe 2xek.exe
Enumerates processes with tasklist 1 TTPs 2 IoCs

Process Discovery
T1057

Processes:

tasklist.exetasklist.exe

pid process

1672 tasklist.exe
1760 tasklist.exe

pid	pid_target	process	target process
2588	2596	WerFault.exe	2xek.exe

pid	process
1672	tasklist.exe
1760	tasklist.exe

Modifies registry class 3 IoCs

Processes:

3xek.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{608520b7-739c-b2d0-52f0-b848cb1c2d9c}\u = "188"	3xek.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{608520b7-739c-b2d0-52f0-b848cb1c2d9c}\cid = "6116835977078809110"	3xek.exe
Key created	\registry\machine\Software\Classes\Interface\{608520b7-739c-b2d0-52f0-b848cb1c2d9c}	3xek.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

NB4wr66jY4.exe2xek.exewonoz.exe3xek.exeX

pid	process
1988	NB4wr66jY4.exe
1988	NB4wr66jY4.exe
2576	2xek.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
568	3xek.exe
568	3xek.exe
568	3xek.exe
2908	wonoz.exe
2576	2xek.exe
2908	wonoz.exe
568	3xek.exe
2004	X
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe
2908	wonoz.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

3xek.exetasklist.exetasklist.exe

description	pid	process
Token: SeDebugPrivilege	568	3xek.exe
Token: SeDebugPrivilege	568	3xek.exe
Token: SeDebugPrivilege	1672	tasklist.exe
Token: SeDebugPrivilege	1760	tasklist.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

75129aa64ee308f0e0755c9a7fdb30c5.exeNB4wr66jY4.exewonoz.exe2xek.exe2xek.exe2xek.exe

pid process

2268 75129aa64ee308f0e0755c9a7fdb30c5.exe
1988 NB4wr66jY4.exe
2908 wonoz.exe
2820 2xek.exe
2632 2xek.exe
2628 2xek.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

csrss.exe

pid process

336 csrss.exe

pid	process
1208	Explorer.EXE
1208	Explorer.EXE

pid	process
1208	Explorer.EXE
1208	Explorer.EXE

pid	process
336	csrss.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

75129aa64ee308f0e0755c9a7fdb30c5.exeNB4wr66jY4.exe2xek.exe2xek.exe3xek.execmd.exe

description	pid	process	target process
PID 2268 wrote to memory of 1988	2268	75129aa64ee308f0e0755c9a7fdb30c5.exe	NB4wr66jY4.exe
PID 2268 wrote to memory of 1988	2268	75129aa64ee308f0e0755c9a7fdb30c5.exe	NB4wr66jY4.exe
PID 2268 wrote to memory of 1988	2268	75129aa64ee308f0e0755c9a7fdb30c5.exe	NB4wr66jY4.exe
PID 2268 wrote to memory of 1988	2268	75129aa64ee308f0e0755c9a7fdb30c5.exe	NB4wr66jY4.exe
PID 1988 wrote to memory of 2908	1988	NB4wr66jY4.exe	wonoz.exe
PID 1988 wrote to memory of 2908	1988	NB4wr66jY4.exe	wonoz.exe
PID 1988 wrote to memory of 2908	1988	NB4wr66jY4.exe	wonoz.exe
PID 1988 wrote to memory of 2908	1988	NB4wr66jY4.exe	wonoz.exe
PID 2268 wrote to memory of 2820	2268	75129aa64ee308f0e0755c9a7fdb30c5.exe	2xek.exe
PID 2268 wrote to memory of 2820	2268	75129aa64ee308f0e0755c9a7fdb30c5.exe	2xek.exe
PID 2268 wrote to memory of 2820	2268	75129aa64ee308f0e0755c9a7fdb30c5.exe	2xek.exe
PID 2268 wrote to memory of 2820	2268	75129aa64ee308f0e0755c9a7fdb30c5.exe	2xek.exe
PID 2820 wrote to memory of 2072	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2072	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2072	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2072	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2072	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2576	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2576	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2576	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2576	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2576	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2576	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2576	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2576	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2596	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2596	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2596	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2596	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2596	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2596	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2596	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2596	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2632	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2632	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2632	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2632	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2632	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2632	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2632	2820	2xek.exe	2xek.exe
PID 2596 wrote to memory of 2588	2596	2xek.exe	WerFault.exe
PID 2596 wrote to memory of 2588	2596	2xek.exe	WerFault.exe
PID 2596 wrote to memory of 2588	2596	2xek.exe	WerFault.exe
PID 2596 wrote to memory of 2588	2596	2xek.exe	WerFault.exe
PID 2820 wrote to memory of 2632	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2628	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2628	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2628	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2628	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2628	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2628	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2628	2820	2xek.exe	2xek.exe
PID 2820 wrote to memory of 2628	2820	2xek.exe	2xek.exe
PID 2268 wrote to memory of 568	2268	75129aa64ee308f0e0755c9a7fdb30c5.exe	3xek.exe
PID 2268 wrote to memory of 568	2268	75129aa64ee308f0e0755c9a7fdb30c5.exe	3xek.exe
PID 2268 wrote to memory of 568	2268	75129aa64ee308f0e0755c9a7fdb30c5.exe	3xek.exe
PID 2268 wrote to memory of 568	2268	75129aa64ee308f0e0755c9a7fdb30c5.exe	3xek.exe
PID 568 wrote to memory of 1208	568	3xek.exe	Explorer.EXE
PID 1988 wrote to memory of 2264	1988	NB4wr66jY4.exe	cmd.exe
PID 1988 wrote to memory of 2264	1988	NB4wr66jY4.exe	cmd.exe
PID 1988 wrote to memory of 2264	1988	NB4wr66jY4.exe	cmd.exe
PID 1988 wrote to memory of 2264	1988	NB4wr66jY4.exe	cmd.exe
PID 2264 wrote to memory of 1672	2264	cmd.exe	tasklist.exe
PID 2264 wrote to memory of 1672	2264	cmd.exe	tasklist.exe

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=16
1⤵
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:336

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies WinLogon for persistence
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1208

C:\Users\Admin\AppData\Local\Temp\75129aa64ee308f0e0755c9a7fdb30c5.exe
"C:\Users\Admin\AppData\Local\Temp\75129aa64ee308f0e0755c9a7fdb30c5.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2268

C:\Users\Admin\NB4wr66jY4.exe
C:\Users\Admin\NB4wr66jY4.exe
3⤵
- 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:1988

C:\Users\Admin\wonoz.exe
"C:\Users\Admin\wonoz.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:2908

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c tasklist&&del NB4wr66jY4.exe
4⤵
- Suspicious use of WriteProcessMemory
PID:2264

C:\Windows\SysWOW64\tasklist.exe
tasklist
5⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1672

C:\Users\Admin\2xek.exe
C:\Users\Admin\2xek.exe
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2820

C:\Users\Admin\2xek.exe
"C:\Users\Admin\2xek.exe"
4⤵
- Executes dropped EXE
PID:2072

C:\Users\Admin\2xek.exe
"C:\Users\Admin\2xek.exe"
4⤵
- Executes dropped EXE
- Maps connected drives based on registry
- Suspicious behavior: EnumeratesProcesses
PID:2576

C:\Users\Admin\2xek.exe
"C:\Users\Admin\2xek.exe"
4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 100
5⤵
- Loads dropped DLL
- Program crash
PID:2588

C:\Users\Admin\2xek.exe
"C:\Users\Admin\2xek.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2632

C:\Users\Admin\2xek.exe
"C:\Users\Admin\2xek.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2628

C:\Users\Admin\3xek.exe
C:\Users\Admin\3xek.exe
3⤵
- 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:568

C:\Users\Admin\AppData\Local\efb26d8c\X
*0*bc*ab1ca216*31.193.3.240:53
4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2004

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe"
4⤵
PID:1020

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c tasklist&&del 75129aa64ee308f0e0755c9a7fdb30c5.exe
3⤵
- Deletes itself
PID:1744

C:\Windows\SysWOW64\tasklist.exe
tasklist
4⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1760

C:\Windows\system32\wbem\WMIADAP.EXE
wmiadap.exe /F /T /R
1⤵
PID:2756

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe -Embedding
1⤵
PID:1516

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\system32\consrv.dll
Filesize
29KB

MD5
1149c1bd71248a9d170e4568fb08df30

SHA1
6f77f183d65709901f476c5d6eebaed060a495f9

SHA256
c2dcf387cb4d218f50463338291e7db38afbdab9aab88fc54e7f9283df1792d1

SHA512
9e6eac8facb23b38552d37c9f3cb24098f871d2885ecb3630fcd0199c5600b12a42f095f9fbeb90e5632496491d46fd987660cdda695e92dc386bd482d3ff459

Download Submit
\Users\Admin\2xek.exe
Filesize
164KB

MD5
c94ab34868ec4624e1e7e95e234a48ed

SHA1
b419f37f2fabdac6598cf59fbc505de59a51de77

SHA256
9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

SHA512
e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

Download Submit
\Users\Admin\3xek.exe
Filesize
251KB

MD5
2ce19a9f18fc524fe115603b4ad9b9aa

SHA1
30b4c119d4b915826b020b12b7a6d5c7c5fd3c0e

SHA256
6fbf9cc7aea0d80f7706603a0b8b11938a9a0e34557adb18b711d08cec13d7a3

SHA512
c060d4c01799b6bd51947534359547c394d7f412d8edf2f3b3c6ac33ac13b66eee9503495cc5997ec9a4df162518422a5f4e13d75fe274baee1580d8e6a752b6

Download Submit
\Users\Admin\AppData\Local\efb26d8c\X
Filesize
38KB

MD5
72de2dadaf875e2fd7614e100419033c

SHA1
5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

SHA256
c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

SHA512
e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

Download Submit
\Users\Admin\NB4wr66jY4.exe
Filesize
224KB

MD5
5f3f430c5d00e2a2e4e1aae0e09078b9

SHA1
48a6be11c16e694c42fa0a0d05783177ba1c4adb

SHA256
b1799329b5f9bffacf98c4d5542dc7e1b4021e6b3b0970bc1aec0f6094e0d867

SHA512
3a41d2084d82a4aaeb6136c629f4dd84a813759570b3ffea2856e3358c2fb11fa19c4c6c5924f78cb0d1e297c7f928ecf4c019cafee15e1aa3fefa3eb05b0873

Download Submit
\Users\Admin\wonoz.exe
Filesize
224KB

MD5
651d0151536c4fdf805d09cd02a93c7d

SHA1
8fdf9c507892b65612e3ee7d1ee071b934cf301d

SHA256
8d3b65393a3ada2012281313cb4d5f90a530901a743308d5f9ba3e7554528d1a

SHA512
bbf9200e14a5448b5e13dce828be86a71407cc89e00d2fa63b670c2094bc655f5d112c39c3925c661309961e137ed5fb8de6cc7fd769e9037183e1ba0aaf4dfb

Download Submit
\systemroot\assembly\tmp\{1B372133-BFFA-4dba-9CCF-5474BED6A9F6}
Filesize
2KB

MD5
6d03845f1d43e10908336ba602894baa

SHA1
e804767710e4c25c01705ca8290cbfc8ebe0ca0c

SHA256
523ee58ceeed3abcbc59b51f745ebfdf3bff774dd9792e3be0f3aeb63e8ab324

SHA512
632a2b6aed9dd21e35db28f131cf1c384eb4c553f3bbe05874ddbe6fa5fa9cbe2548033d420b057cad6d9e93b171c6baa4382194c151164ceb0fb924be29aa2b

Download Submit
memory/336-136-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

Filesize
4KB

Download
memory/336-138-0x0000000000AF0000-0x0000000000AFB000-memory.dmp

Filesize
44KB

Download
memory/336-139-0x0000000000AF0000-0x0000000000AFB000-memory.dmp

Filesize
44KB

Download
memory/568-161-0x0000000030670000-0x00000000306C7000-memory.dmp

Filesize
348KB

Download
memory/568-163-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/568-117-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download
memory/568-116-0x0000000030670000-0x00000000306C7000-memory.dmp

Filesize
348KB

Download
memory/568-169-0x0000000030670000-0x00000000306C7000-memory.dmp

Filesize
348KB

Download
memory/1208-128-0x0000000002A20000-0x0000000002A26000-memory.dmp

Filesize
24KB

Download
memory/1208-170-0x0000000002A50000-0x0000000002A5B000-memory.dmp

Filesize
44KB

Download
memory/1208-157-0x0000000002A50000-0x0000000002A5B000-memory.dmp

Filesize
44KB

Download
memory/1208-147-0x0000000002A20000-0x0000000002A28000-memory.dmp

Filesize
32KB

Download
memory/1208-145-0x0000000002A40000-0x0000000002A4B000-memory.dmp

Filesize
44KB

Download
memory/1208-119-0x0000000002A20000-0x0000000002A26000-memory.dmp

Filesize
24KB

Download
memory/1208-121-0x0000000002A10000-0x0000000002A12000-memory.dmp

Filesize
8KB

Download
memory/1208-124-0x0000000002A20000-0x0000000002A26000-memory.dmp

Filesize
24KB

Download
memory/1988-37-0x00000000031E0000-0x0000000003C9A000-memory.dmp

Filesize
10.7MB

Download
memory/2072-39-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2576-56-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2576-132-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2576-42-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2576-44-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2576-46-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2576-54-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2576-50-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2576-58-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2596-53-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2596-70-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2596-57-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2596-59-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2596-62-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2628-100-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2628-101-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2628-98-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2628-95-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2628-86-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2628-90-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2628-106-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2628-83-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2632-84-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2632-155-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2632-69-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2632-67-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2632-65-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2632-87-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2632-88-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2632-74-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download