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Analysis
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max time kernel
128s -
max time network
130s -
platform
windows11-21h2_x64 -
resource
win11-20240412-en -
resource tags
arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system -
submitted
17/04/2024, 20:45
Static task
static1
Behavioral task
behavioral1
Sample
b11b35effbc93db28b32a4173aedc698a9c9f154cfc59cbd71e43fe5819840e9.exe
Resource
win10v2004-20240412-en
General
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Target
b11b35effbc93db28b32a4173aedc698a9c9f154cfc59cbd71e43fe5819840e9.exe
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Size
448KB
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MD5
9e5badc8ed2bec98e77e6033027df2fc
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SHA1
0b2dea61727bc6234b068f6e93e630f2ca47dcba
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SHA256
b11b35effbc93db28b32a4173aedc698a9c9f154cfc59cbd71e43fe5819840e9
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SHA512
3de6b4cce23e0abd1791e053061f5a91374e76773b2b5e02f9eda0c1acabb1f8be4d7daa0aae356f405c1ab52dba602e22b63d0fa33563ab150bfeeef34756d6
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SSDEEP
6144:Uh8HJFQ69AO9P34hj0xRvKxeeggn0TKQD3yKI28i79Qhs/7doycrBLf:xpH9AUwaxRiTx093884shoy2BLf
Malware Config
Signatures
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Detect ZGRat V1 3 IoCs
resource yara_rule behavioral2/memory/4372-67-0x000001DAD6620000-0x000001DAD9F18000-memory.dmp family_zgrat_v1 behavioral2/memory/4372-69-0x000001DAF4710000-0x000001DAF4820000-memory.dmp family_zgrat_v1 behavioral2/memory/4372-73-0x000001DAF4510000-0x000001DAF4534000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 1228 u8.0.exe 2936 u8.1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 1920 1228 WerFault.exe 82 1324 8 WerFault.exe 79 -
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 u8.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u8.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u8.1.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4372 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2936 u8.1.exe 2936 u8.1.exe 2936 u8.1.exe 2936 u8.1.exe 2936 u8.1.exe 2936 u8.1.exe 2936 u8.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2936 u8.1.exe 2936 u8.1.exe 2936 u8.1.exe 2936 u8.1.exe 2936 u8.1.exe 2936 u8.1.exe 2936 u8.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 8 wrote to memory of 1228 8 b11b35effbc93db28b32a4173aedc698a9c9f154cfc59cbd71e43fe5819840e9.exe 82 PID 8 wrote to memory of 1228 8 b11b35effbc93db28b32a4173aedc698a9c9f154cfc59cbd71e43fe5819840e9.exe 82 PID 8 wrote to memory of 1228 8 b11b35effbc93db28b32a4173aedc698a9c9f154cfc59cbd71e43fe5819840e9.exe 82 PID 8 wrote to memory of 2936 8 b11b35effbc93db28b32a4173aedc698a9c9f154cfc59cbd71e43fe5819840e9.exe 88 PID 8 wrote to memory of 2936 8 b11b35effbc93db28b32a4173aedc698a9c9f154cfc59cbd71e43fe5819840e9.exe 88 PID 8 wrote to memory of 2936 8 b11b35effbc93db28b32a4173aedc698a9c9f154cfc59cbd71e43fe5819840e9.exe 88 PID 2936 wrote to memory of 4372 2936 u8.1.exe 92 PID 2936 wrote to memory of 4372 2936 u8.1.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\b11b35effbc93db28b32a4173aedc698a9c9f154cfc59cbd71e43fe5819840e9.exe"C:\Users\Admin\AppData\Local\Temp\b11b35effbc93db28b32a4173aedc698a9c9f154cfc59cbd71e43fe5819840e9.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:8 -
C:\Users\Admin\AppData\Local\Temp\u8.0.exe"C:\Users\Admin\AppData\Local\Temp\u8.0.exe"2⤵
- Executes dropped EXE
PID:1228 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1228 -s 12443⤵
- Program crash
PID:1920
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C:\Users\Admin\AppData\Local\Temp\u8.1.exe"C:\Users\Admin\AppData\Local\Temp\u8.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2936 -
C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe"C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD13⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4372
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 15282⤵
- Program crash
PID:1324
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1228 -ip 12281⤵PID:3252
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 8 -ip 81⤵PID:3420
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD50a405e39c504a2a0b2f83073f4825c0a
SHA19e321530e3b78ba842a7d877c85077c47a6c7a55
SHA256f2c8960a74a565a3e13af012ddbf8ea442186679c747c2bd623b8caa8a1877cd
SHA512eb8e3a3a6b29a32e6a7b3c7f5e7de76c89fa4806b3907fb4f4067e2d9af92b35bed4578c5c7c35762afb722830aab4904c50e6f856b29648ef6644e7a71c2441
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Filesize
306KB
MD5942f4c9696a776e6982bee3434d31345
SHA106ec5f2a44506b3bb4749cbeea3496647379306f
SHA2561c610b04cd3adc13e35f85762a1167cd99b5a3072e6f6b0c823758da3847b357
SHA512a213d68103ffb223705676329a6cf29ef3a0fae253304f67f74d58a8ae47d6659961b3a23ca50c8221abd9241e02d56f6f6d3aa23a1942af84e2d7bb7c2ed51b
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954