Analysis
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max time kernel
150s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
17/05/2024, 02:08
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe
Resource
win7-20240221-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe
Resource
win10v2004-20240508-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe
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Size
70KB
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MD5
00ed71df2e60383f072cdd285110af84
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SHA1
ca42db3648fe8eee38bc1d58b3fb5de2048632f1
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SHA256
a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2
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SHA512
921367b3e33be335233e2b7c941da040c99f5f2b9a47cf95bb6c301f02afc6a595c0a292fe666fe31a605f309b6de003113c041824067e87e3898285881746a3
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SSDEEP
1536:1teqKDlXvCDB04f5Gn/L8FlADNt3d1Hw8slc2:Olg35GTslA5t3/w84
Score
10/10
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" ulvukag-igid.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" ulvukag-igid.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" ulvukag-igid.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" ulvukag-igid.exe -
Modifies Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46}\01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123 = "a" ulvukag-igid.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46}\IsInstalled = "1" ulvukag-igid.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46}\StubPath = "C:\\Windows\\system32\\almekax.exe" ulvukag-igid.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{4B584950-5043-4b46-4B58-495050434b46} ulvukag-igid.exe -
Sets file execution options in registry 2 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe ulvukag-igid.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890 = "a" ulvukag-igid.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "C:\\Windows\\system32\\avmoteb.exe" ulvukag-igid.exe -
Executes dropped EXE 2 IoCs
pid Process 2368 ulvukag-igid.exe 2696 ulvukag-igid.exe -
Loads dropped DLL 3 IoCs
pid Process 2192 a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe 2192 a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe 2368 ulvukag-igid.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "25600" ulvukag-igid.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "25600" ulvukag-igid.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "25600" ulvukag-igid.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "25600" ulvukag-igid.exe -
Modifies WinLogon 2 TTPs 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify ulvukag-igid.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345 = "a" ulvukag-igid.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\DLLName = "C:\\Windows\\system32\\opseakir-oumed.dll" ulvukag-igid.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B}\Startup = "Startup" ulvukag-igid.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\{BC84DF00-BC38-9902-8082-6FCBF2D87A0B} ulvukag-igid.exe -
Drops file in System32 directory 9 IoCs
description ioc Process File created C:\Windows\SysWOW64\avmoteb.exe ulvukag-igid.exe File created C:\Windows\SysWOW64\almekax.exe ulvukag-igid.exe File opened for modification C:\Windows\SysWOW64\opseakir-oumed.dll ulvukag-igid.exe File opened for modification C:\Windows\SysWOW64\ulvukag-igid.exe ulvukag-igid.exe File created C:\Windows\SysWOW64\ulvukag-igid.exe a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe File opened for modification C:\Windows\SysWOW64\avmoteb.exe ulvukag-igid.exe File opened for modification C:\Windows\SysWOW64\almekax.exe ulvukag-igid.exe File created C:\Windows\SysWOW64\opseakir-oumed.dll ulvukag-igid.exe File opened for modification C:\Windows\SysWOW64\ulvukag-igid.exe a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2696 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe 2368 ulvukag-igid.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2192 a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe Token: SeDebugPrivilege 2368 ulvukag-igid.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2192 wrote to memory of 2368 2192 a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe 28 PID 2192 wrote to memory of 2368 2192 a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe 28 PID 2192 wrote to memory of 2368 2192 a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe 28 PID 2192 wrote to memory of 2368 2192 a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe 28 PID 2368 wrote to memory of 2696 2368 ulvukag-igid.exe 29 PID 2368 wrote to memory of 2696 2368 ulvukag-igid.exe 29 PID 2368 wrote to memory of 2696 2368 ulvukag-igid.exe 29 PID 2368 wrote to memory of 2696 2368 ulvukag-igid.exe 29 PID 2368 wrote to memory of 424 2368 ulvukag-igid.exe 5 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21 PID 2368 wrote to memory of 1268 2368 ulvukag-igid.exe 21
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:424
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1268
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C:\Users\Admin\AppData\Local\Temp\a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe"C:\Users\Admin\AppData\Local\Temp\a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2.exe"2⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2192 -
C:\Windows\SysWOW64\ulvukag-igid.exe"C:\Windows\system32\ulvukag-igid.exe"3⤵
- Windows security bypass
- Modifies Installed Components in the registry
- Sets file execution options in registry
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- Modifies WinLogon
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Windows\SysWOW64\ulvukag-igid.exe--k33p4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2696
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
72KB
MD53af2ebd5cbbfd3ce2b7218b13dd9ad42
SHA1539bd0bec4a734d8b36353605d2c911cae856a63
SHA256543b1880f1501b29f167eb45d758d4d4f96fc39703fd231d28d7341ec69b088b
SHA5127f6462cf1f5dd8b979aebe4f6e12f94f5e5ccf2064b73deced7bb56d982247d4eb8a05366828f5cf3aa87db6e6eab02f181de32e2fcdcad384359ea76b47e42f
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Filesize
73KB
MD502eadddfb6625101908ba7a9ac55f1f6
SHA1b6fa9a8974576fd1e3896e685fc236b37fefcbc6
SHA25620ff189de13407263a1f3cd3dcc98c96c4b003fd8d6c29e36f808d96a4664ee6
SHA5121fa6cf5f05126b165d295451c7106370c9d05f6fac5b2d923f34204289f16896a82ab76be5f39bfb3989d11fe3b0a3d73b2320a7a12530446f6ec2aa59d7fc06
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Filesize
5KB
MD5f37b21c00fd81bd93c89ce741a88f183
SHA1b2796500597c68e2f5638e1101b46eaf32676c1c
SHA25676cf016fd77cb5a06c6ed4674ddc2345e8390c010cf344491a6e742baf2c0fb0
SHA512252fe66dea9a4b9aebc5fd2f24434719cb25159ba51549d9de407f44b6a2f7bce6e071be02c4f2ad6aef588c77f12c00ed415eb54f96dec1b077326e101ce0f4
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Filesize
70KB
MD500ed71df2e60383f072cdd285110af84
SHA1ca42db3648fe8eee38bc1d58b3fb5de2048632f1
SHA256a057603b679ee330f0879a7d9996d6f2868e00a1a1bcf54df61ef372492aafa2
SHA512921367b3e33be335233e2b7c941da040c99f5f2b9a47cf95bb6c301f02afc6a595c0a292fe666fe31a605f309b6de003113c041824067e87e3898285881746a3