Analysis
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max time kernel
168s -
max time network
169s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2023, 15:02
Static task
static1
Behavioral task
behavioral1
Sample
9c110c0426f4e75f4384a527f0abe2232fe71f2968eb91278b16b200537d3161.exe
Resource
win7-20231023-en
windows7-x64
Behavioral task
behavioral2
Sample
9c110c0426f4e75f4384a527f0abe2232fe71f2968eb91278b16b200537d3161.exe
Resource
win10v2004-20231127-en
windows10-2004-x64
General
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Target
9c110c0426f4e75f4384a527f0abe2232fe71f2968eb91278b16b200537d3161.exe
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Size
2.6MB
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MD5
1f8e9fec647700b21d45e6cda97c39b7
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SHA1
037288ee51553f84498ae4873c357d367d1a3667
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SHA256
9c110c0426f4e75f4384a527f0abe2232fe71f2968eb91278b16b200537d3161
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SHA512
42f6ca3456951f3e85024444e513f424add6eda9f4807bf84c91dc8ccb623be6a8e83dc40a8b6a1bc2c6fd080f2c51b719ead1422e9d1c1079795ec70953a1ad
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SSDEEP
49152:IJFEcHcHfnIpvSUxuB4vkjfCSfil3ObWcrJhxSkm6Fo4Ea0g/I2Pz7citcU7tmLq:S2c8gfd87CQgu9xNpW4t/Ic7csd7t0q
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" 9c110c0426f4e75f4384a527f0abe2232fe71f2968eb91278b16b200537d3161.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\X: msiexec.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeShutdownPrivilege 420 msiexec.exe Token: SeIncreaseQuotaPrivilege 420 msiexec.exe Token: SeSecurityPrivilege 436 msiexec.exe Token: SeCreateTokenPrivilege 420 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 420 msiexec.exe Token: SeLockMemoryPrivilege 420 msiexec.exe Token: SeIncreaseQuotaPrivilege 420 msiexec.exe Token: SeMachineAccountPrivilege 420 msiexec.exe Token: SeTcbPrivilege 420 msiexec.exe Token: SeSecurityPrivilege 420 msiexec.exe Token: SeTakeOwnershipPrivilege 420 msiexec.exe Token: SeLoadDriverPrivilege 420 msiexec.exe Token: SeSystemProfilePrivilege 420 msiexec.exe Token: SeSystemtimePrivilege 420 msiexec.exe Token: SeProfSingleProcessPrivilege 420 msiexec.exe Token: SeIncBasePriorityPrivilege 420 msiexec.exe Token: SeCreatePagefilePrivilege 420 msiexec.exe Token: SeCreatePermanentPrivilege 420 msiexec.exe Token: SeBackupPrivilege 420 msiexec.exe Token: SeRestorePrivilege 420 msiexec.exe Token: SeShutdownPrivilege 420 msiexec.exe Token: SeDebugPrivilege 420 msiexec.exe Token: SeAuditPrivilege 420 msiexec.exe Token: SeSystemEnvironmentPrivilege 420 msiexec.exe Token: SeChangeNotifyPrivilege 420 msiexec.exe Token: SeRemoteShutdownPrivilege 420 msiexec.exe Token: SeUndockPrivilege 420 msiexec.exe Token: SeSyncAgentPrivilege 420 msiexec.exe Token: SeEnableDelegationPrivilege 420 msiexec.exe Token: SeManageVolumePrivilege 420 msiexec.exe Token: SeImpersonatePrivilege 420 msiexec.exe Token: SeCreateGlobalPrivilege 420 msiexec.exe Token: SeBackupPrivilege 2080 vssvc.exe Token: SeRestorePrivilege 2080 vssvc.exe Token: SeAuditPrivilege 2080 vssvc.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 420 msiexec.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4940 wrote to memory of 420 4940 9c110c0426f4e75f4384a527f0abe2232fe71f2968eb91278b16b200537d3161.exe 92 PID 4940 wrote to memory of 420 4940 9c110c0426f4e75f4384a527f0abe2232fe71f2968eb91278b16b200537d3161.exe 92 PID 4940 wrote to memory of 420 4940 9c110c0426f4e75f4384a527f0abe2232fe71f2968eb91278b16b200537d3161.exe 92 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\9c110c0426f4e75f4384a527f0abe2232fe71f2968eb91278b16b200537d3161.exe"C:\Users\Admin\AppData\Local\Temp\9c110c0426f4e75f4384a527f0abe2232fe71f2968eb91278b16b200537d3161.exe"1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Windows\SysWOW64\msiexec.exemsiexec /i vcredist.msi2⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:420
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
PID:436
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2080
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.7MB
MD5dc1ab7ce3b89fc7cac369d8b246cdafe
SHA1c9a2d5a312f770189c4b65cb500905e4773c14ad
SHA256dde77dd3473d3d07c459f17cd267f96f19264f976f2fcc85b4bbbecf26487560
SHA512e554b8b36a7a853d4e6efb4e6faf2d784f41e8d26edafbb1689a944bf0a7a4b58258d820a3fada1496b8c8d295d8771fc713b29127d54a3fbc317659b7565cbe