Analysis
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max time kernel
140s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
14-10-2024 20:08
Behavioral task
behavioral1
Sample
atomic.exe
Resource
win7-20240903-en
windows7-x64
5 signatures
150 seconds
General
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Target
atomic.exe
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Size
229KB
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MD5
05f1e261fdb236fd899a48d71a5f33f1
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SHA1
6a0399a6a8417616f5fd72e075712a54fbde4a6d
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SHA256
15e734a6600467bdf53fb3e997151562f25797baa8e5688036240438a96ca1e1
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SHA512
f637b0c54c8223a41961274cabe34e1d9b23e351e6f78658617785d53785e31ec33bdef700d7257ca9667420fafe6ec556d210fd5cf1f11d03b1b7443b923212
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SSDEEP
6144:tloZMLrIkd8g+EtXHkv/iD4H4jwT5KyNo4ZL22jx9b8e1mrgi:voZ0L+EP8H4jwT5KyNo4ZL22jz2
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule behavioral2/memory/4344-1-0x0000028E4A640000-0x0000028E4A680000-memory.dmp family_umbral -
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 5 ip-api.com -
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_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName taskmgr.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 taskmgr.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString taskmgr.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeDebugPrivilege 4344 atomic.exe Token: SeIncreaseQuotaPrivilege 1468 wmic.exe Token: SeSecurityPrivilege 1468 wmic.exe Token: SeTakeOwnershipPrivilege 1468 wmic.exe Token: SeLoadDriverPrivilege 1468 wmic.exe Token: SeSystemProfilePrivilege 1468 wmic.exe Token: SeSystemtimePrivilege 1468 wmic.exe Token: SeProfSingleProcessPrivilege 1468 wmic.exe Token: SeIncBasePriorityPrivilege 1468 wmic.exe Token: SeCreatePagefilePrivilege 1468 wmic.exe Token: SeBackupPrivilege 1468 wmic.exe Token: SeRestorePrivilege 1468 wmic.exe Token: SeShutdownPrivilege 1468 wmic.exe Token: SeDebugPrivilege 1468 wmic.exe Token: SeSystemEnvironmentPrivilege 1468 wmic.exe Token: SeRemoteShutdownPrivilege 1468 wmic.exe Token: SeUndockPrivilege 1468 wmic.exe Token: SeManageVolumePrivilege 1468 wmic.exe Token: 33 1468 wmic.exe Token: 34 1468 wmic.exe Token: 35 1468 wmic.exe Token: 36 1468 wmic.exe Token: SeIncreaseQuotaPrivilege 1468 wmic.exe Token: SeSecurityPrivilege 1468 wmic.exe Token: SeTakeOwnershipPrivilege 1468 wmic.exe Token: SeLoadDriverPrivilege 1468 wmic.exe Token: SeSystemProfilePrivilege 1468 wmic.exe Token: SeSystemtimePrivilege 1468 wmic.exe Token: SeProfSingleProcessPrivilege 1468 wmic.exe Token: SeIncBasePriorityPrivilege 1468 wmic.exe Token: SeCreatePagefilePrivilege 1468 wmic.exe Token: SeBackupPrivilege 1468 wmic.exe Token: SeRestorePrivilege 1468 wmic.exe Token: SeShutdownPrivilege 1468 wmic.exe Token: SeDebugPrivilege 1468 wmic.exe Token: SeSystemEnvironmentPrivilege 1468 wmic.exe Token: SeRemoteShutdownPrivilege 1468 wmic.exe Token: SeUndockPrivilege 1468 wmic.exe Token: SeManageVolumePrivilege 1468 wmic.exe Token: 33 1468 wmic.exe Token: 34 1468 wmic.exe Token: 35 1468 wmic.exe Token: 36 1468 wmic.exe Token: SeDebugPrivilege 4924 taskmgr.exe Token: SeSystemProfilePrivilege 4924 taskmgr.exe Token: SeCreateGlobalPrivilege 4924 taskmgr.exe Token: 33 4924 taskmgr.exe Token: SeIncBasePriorityPrivilege 4924 taskmgr.exe -
Suspicious use of FindShellTrayWindow 39 IoCs
pid Process 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe -
Suspicious use of SendNotifyMessage 39 IoCs
pid Process 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe 4924 taskmgr.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4344 wrote to memory of 1468 4344 atomic.exe 85 PID 4344 wrote to memory of 1468 4344 atomic.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\atomic.exe"C:\Users\Admin\AppData\Local\Temp\atomic.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4344 -
C:\Windows\System32\Wbem\wmic.exe"wmic.exe" csproduct get uuid2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1468
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4924