Resubmissions
23-07-2023 20:32
230723-zbfk5ahb4z 10Analysis
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max time kernel
36s -
max time network
20s -
platform
windows10-1703_x64 -
resource
win10-20230703-en -
resource tags
arch:x64arch:x86image:win10-20230703-enlocale:en-usos:windows10-1703-x64system -
submitted
23-07-2023 20:32
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
AkebiPrivate.exe
Resource
win10-20230703-en
windows10-1703-x64
15 signatures
150 seconds
General
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Target
AkebiPrivate.exe
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Size
7.8MB
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MD5
397a2465056330bcbfe99dbfc5e1b844
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SHA1
5445d768d1d29c649add2cbe89b22462543fe03a
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SHA256
240c73bd79b521aa5cec91153917929082b969d37387f82554636c16f0ec5e26
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SHA512
30aafbbd19f53adfcb5078109b550a3d105b19efe14075a6dabefeea7b6314e55b78c08a64c3d658369eec44eba1e4d97c6b1bfa7523bf11a3f45abc38467e28
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SSDEEP
196608:PBZS6ykGjALAZRvMDfFnLTuref1hh/TPTS4nzsszTR7Ap:prygLAZknLTuref1hh/bTS4nzsszTRsp
Score
10/10
Malware Config
Signatures
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Shurk
Shurk is an infostealer, written in C++ which appeared in 2021.
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Shurk Stealer payload 3 IoCs
resource yara_rule behavioral1/memory/4884-117-0x0000000000E30000-0x000000000161A000-memory.dmp shurk_stealer behavioral1/memory/4884-123-0x0000000000E30000-0x000000000161A000-memory.dmp shurk_stealer behavioral1/memory/4884-129-0x0000000000E30000-0x000000000161A000-memory.dmp shurk_stealer -
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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 checkip.amazonaws.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3076 set thread context of 4884 3076 AkebiPrivate.exe 71 -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\rescache\_merged\4183903823\810424605.pri taskmgr.exe File created C:\Windows\rescache\_merged\1601268389\3877292338.pri taskmgr.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName taskmgr.exe -
Detects videocard installed 1 TTPs 1 IoCs
Uses WMIC.exe to determine videocard installed.
pid Process 4204 WMIC.exe -
GoLang User-Agent 3 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 2 Go-http-client/1.1 HTTP User-Agent header 4 Go-http-client/1.1 HTTP User-Agent header 6 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 17 IoCs
pid Process 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 47 IoCs
description pid Process Token: SeIncreaseQuotaPrivilege 4204 WMIC.exe Token: SeSecurityPrivilege 4204 WMIC.exe Token: SeTakeOwnershipPrivilege 4204 WMIC.exe Token: SeLoadDriverPrivilege 4204 WMIC.exe Token: SeSystemProfilePrivilege 4204 WMIC.exe Token: SeSystemtimePrivilege 4204 WMIC.exe Token: SeProfSingleProcessPrivilege 4204 WMIC.exe Token: SeIncBasePriorityPrivilege 4204 WMIC.exe Token: SeCreatePagefilePrivilege 4204 WMIC.exe Token: SeBackupPrivilege 4204 WMIC.exe Token: SeRestorePrivilege 4204 WMIC.exe Token: SeShutdownPrivilege 4204 WMIC.exe Token: SeDebugPrivilege 4204 WMIC.exe Token: SeSystemEnvironmentPrivilege 4204 WMIC.exe Token: SeRemoteShutdownPrivilege 4204 WMIC.exe Token: SeUndockPrivilege 4204 WMIC.exe Token: SeManageVolumePrivilege 4204 WMIC.exe Token: 33 4204 WMIC.exe Token: 34 4204 WMIC.exe Token: 35 4204 WMIC.exe Token: 36 4204 WMIC.exe Token: SeIncreaseQuotaPrivilege 4204 WMIC.exe Token: SeSecurityPrivilege 4204 WMIC.exe Token: SeTakeOwnershipPrivilege 4204 WMIC.exe Token: SeLoadDriverPrivilege 4204 WMIC.exe Token: SeSystemProfilePrivilege 4204 WMIC.exe Token: SeSystemtimePrivilege 4204 WMIC.exe Token: SeProfSingleProcessPrivilege 4204 WMIC.exe Token: SeIncBasePriorityPrivilege 4204 WMIC.exe Token: SeCreatePagefilePrivilege 4204 WMIC.exe Token: SeBackupPrivilege 4204 WMIC.exe Token: SeRestorePrivilege 4204 WMIC.exe Token: SeShutdownPrivilege 4204 WMIC.exe Token: SeDebugPrivilege 4204 WMIC.exe Token: SeSystemEnvironmentPrivilege 4204 WMIC.exe Token: SeRemoteShutdownPrivilege 4204 WMIC.exe Token: SeUndockPrivilege 4204 WMIC.exe Token: SeManageVolumePrivilege 4204 WMIC.exe Token: 33 4204 WMIC.exe Token: 34 4204 WMIC.exe Token: 35 4204 WMIC.exe Token: 36 4204 WMIC.exe Token: SeDebugPrivilege 3232 taskmgr.exe Token: SeSystemProfilePrivilege 3232 taskmgr.exe Token: SeCreateGlobalPrivilege 3232 taskmgr.exe Token: 33 3232 taskmgr.exe Token: SeIncBasePriorityPrivilege 3232 taskmgr.exe -
Suspicious use of FindShellTrayWindow 43 IoCs
pid Process 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe -
Suspicious use of SendNotifyMessage 43 IoCs
pid Process 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe 3232 taskmgr.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 3076 wrote to memory of 4884 3076 AkebiPrivate.exe 71 PID 3076 wrote to memory of 4884 3076 AkebiPrivate.exe 71 PID 3076 wrote to memory of 4884 3076 AkebiPrivate.exe 71 PID 3076 wrote to memory of 4884 3076 AkebiPrivate.exe 71 PID 3076 wrote to memory of 4884 3076 AkebiPrivate.exe 71 PID 3076 wrote to memory of 4884 3076 AkebiPrivate.exe 71 PID 3076 wrote to memory of 4884 3076 AkebiPrivate.exe 71 PID 3076 wrote to memory of 4884 3076 AkebiPrivate.exe 71 PID 3076 wrote to memory of 4884 3076 AkebiPrivate.exe 71 PID 3076 wrote to memory of 4884 3076 AkebiPrivate.exe 71 PID 3076 wrote to memory of 4884 3076 AkebiPrivate.exe 71 PID 3076 wrote to memory of 4884 3076 AkebiPrivate.exe 71 PID 3076 wrote to memory of 4884 3076 AkebiPrivate.exe 71 PID 3076 wrote to memory of 4884 3076 AkebiPrivate.exe 71 PID 3076 wrote to memory of 4884 3076 AkebiPrivate.exe 71 PID 4884 wrote to memory of 4092 4884 akebiPrivate.exe 73 PID 4884 wrote to memory of 4092 4884 akebiPrivate.exe 73 PID 4884 wrote to memory of 4092 4884 akebiPrivate.exe 73 PID 4092 wrote to memory of 4204 4092 cmd.exe 75 PID 4092 wrote to memory of 4204 4092 cmd.exe 75 PID 4092 wrote to memory of 4204 4092 cmd.exe 75
Processes
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C:\Users\Admin\AppData\Local\Temp\AkebiPrivate.exe"C:\Users\Admin\AppData\Local\Temp\AkebiPrivate.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3076 -
C:\Users\Admin\AppData\Local\Temp\akebiPrivate.exe"C:\Users\Admin\AppData\Local\Temp\akebiPrivate.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:4884 -
C:\Windows\SysWOW64\cmd.execmd /C "wmic path win32_VideoController get name"3⤵
- Suspicious use of WriteProcessMemory
PID:4092 -
C:\Windows\SysWOW64\Wbem\WMIC.exewmic path win32_VideoController get name4⤵
- Detects videocard installed
- Suspicious use of AdjustPrivilegeToken
PID:4204
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Drops file in Windows directory
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3232