Analysis
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max time kernel
127s -
max time network
133s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
07-05-2024 12:19
Static task
static1
Behavioral task
behavioral1
Sample
76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe
Resource
win10v2004-20240419-en
General
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Target
76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe
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Size
408KB
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MD5
47dc665548c0117a799e2c6fd62029d5
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SHA1
3b124afd06debf01fee518e7eccbcccfac75381b
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SHA256
76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3
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SHA512
739f537eb5524d99ce4fc64d149f698602e978bb193f9429291abd5f84f3346a50163ac7104657c2182b6886a1555af822475009cc9af53129d4e7bccf1528cc
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SSDEEP
6144:b5cM23+UCrsxK18deKnuwQLRvB4GBx7jqlMM+0ljGkIX+BN5uATkshwxo:FBrsNe+mLRvdSL+0VRZDTks2xo
Malware Config
Extracted
stealc
http://185.172.128.150
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url_path
/c698e1bc8a2f5e6d.php
Signatures
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Detect ZGRat V1 3 IoCs
resource yara_rule behavioral2/memory/4368-97-0x000001B4EA850000-0x000001B4EE084000-memory.dmp family_zgrat_v1 behavioral2/memory/4368-98-0x000001B4F07F0000-0x000001B4F08FA000-memory.dmp family_zgrat_v1 behavioral2/memory/4368-102-0x000001B4F0900000-0x000001B4F0924000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 1360 u1o8.0.exe 1624 u1o8.1.exe -
Loads dropped DLL 2 IoCs
pid Process 1360 u1o8.0.exe 1360 u1o8.0.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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 3928 2168 WerFault.exe 77 3728 1360 WerFault.exe 80 -
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 u1o8.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1o8.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1o8.1.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 u1o8.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u1o8.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 1360 u1o8.0.exe 1360 u1o8.0.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1360 u1o8.0.exe 1360 u1o8.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4368 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 1624 u1o8.1.exe 1624 u1o8.1.exe 1624 u1o8.1.exe 1624 u1o8.1.exe 1624 u1o8.1.exe 1624 u1o8.1.exe 1624 u1o8.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1624 u1o8.1.exe 1624 u1o8.1.exe 1624 u1o8.1.exe 1624 u1o8.1.exe 1624 u1o8.1.exe 1624 u1o8.1.exe 1624 u1o8.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2168 wrote to memory of 1360 2168 76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe 80 PID 2168 wrote to memory of 1360 2168 76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe 80 PID 2168 wrote to memory of 1360 2168 76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe 80 PID 2168 wrote to memory of 1624 2168 76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe 83 PID 2168 wrote to memory of 1624 2168 76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe 83 PID 2168 wrote to memory of 1624 2168 76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe 83 PID 1624 wrote to memory of 4368 1624 u1o8.1.exe 88 PID 1624 wrote to memory of 4368 1624 u1o8.1.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe"C:\Users\Admin\AppData\Local\Temp\76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2168 -
C:\Users\Admin\AppData\Local\Temp\u1o8.0.exe"C:\Users\Admin\AppData\Local\Temp\u1o8.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1360 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1360 -s 24803⤵
- Program crash
PID:3728
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C:\Users\Admin\AppData\Local\Temp\u1o8.1.exe"C:\Users\Admin\AppData\Local\Temp\u1o8.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1624 -
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:4368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 11842⤵
- Program crash
PID:3928
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2168 -ip 21681⤵PID:2728
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1360 -ip 13601⤵PID:3400
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11KB
MD5a33e5b189842c5867f46566bdbf7a095
SHA1e1c06359f6a76da90d19e8fd95e79c832edb3196
SHA2565abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
SHA512f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
2KB
MD5be6704bb0f13b575f9f8228f34918ee3
SHA172ead5f77b6fe471828612a2a1b5f07b06b9f4d1
SHA2565ed9e411a07aedde85b43bd69948723e2f420b2673db4f866cab20b8daf9aba2
SHA5120cef4895c65465047e3ceeda18a874209fef6ca79aa114d42890ff747e8acdaf104c35bd4c13c8d6c201530b6ce8adf7c9c81dada1138985886a96cfefcae5da
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Filesize
3KB
MD580bd2bea010f0e4962f63da7ce4327a9
SHA12efd9f1501360cb09d5a1c2eace3b9771c891cd7
SHA256e577d38300e3c3605ec87c75cb19e120629ec896726cfab552e80574807882d3
SHA51218906cebd61ae0eab42086bed97d17eaa19b8df854a24db4242287ea1ae89eae94d3929a32db6c4e471acd369f2ca4e8ccd1943a90b126c97df17e1e391ac8a8
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Filesize
266KB
MD57ed6ec404f1a557e5c734574421948d3
SHA1d77c5a4db410b713989427b37f045b824cc1eff5
SHA25682fcbe992186cf67ca0aa2da35425353505f9f8c59e0255a64e9e40c65d94e17
SHA512f970692b939cbb898dd4057e7c8095415d6fa3779af22d2ab86fcc6e7edc42151f592545e81c4a617ea40d392fa7943792580fc17acd3667a80a80e72286f3e9
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954