Analysis
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max time kernel
138s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-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 behavioral1/memory/3928-63-0x000001FA531A0000-0x000001FA569D4000-memory.dmp family_zgrat_v1 behavioral1/memory/3928-64-0x000001FA712B0000-0x000001FA713BA000-memory.dmp family_zgrat_v1 behavioral1/memory/3928-68-0x000001FA71090000-0x000001FA710B4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation u2rs.1.exe Key value queried \REGISTRY\USER\S-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation 76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe -
Executes dropped EXE 2 IoCs
pid Process 4596 u2rs.0.exe 1908 u2rs.1.exe -
Loads dropped DLL 2 IoCs
pid Process 4596 u2rs.0.exe 4596 u2rs.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 1344 3592 WerFault.exe 83 4792 4596 WerFault.exe 95 -
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 u2rs.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2rs.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2rs.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 u2rs.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2rs.0.exe -
Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4596 u2rs.0.exe 4596 u2rs.0.exe 4596 u2rs.0.exe 4596 u2rs.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3928 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 1908 u2rs.1.exe 1908 u2rs.1.exe 1908 u2rs.1.exe 1908 u2rs.1.exe 1908 u2rs.1.exe 1908 u2rs.1.exe 1908 u2rs.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1908 u2rs.1.exe 1908 u2rs.1.exe 1908 u2rs.1.exe 1908 u2rs.1.exe 1908 u2rs.1.exe 1908 u2rs.1.exe 1908 u2rs.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3592 wrote to memory of 4596 3592 76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe 95 PID 3592 wrote to memory of 4596 3592 76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe 95 PID 3592 wrote to memory of 4596 3592 76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe 95 PID 3592 wrote to memory of 1908 3592 76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe 97 PID 3592 wrote to memory of 1908 3592 76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe 97 PID 3592 wrote to memory of 1908 3592 76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe 97 PID 1908 wrote to memory of 3928 1908 u2rs.1.exe 102 PID 1908 wrote to memory of 3928 1908 u2rs.1.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe"C:\Users\Admin\AppData\Local\Temp\76f8d48b1be2076cdba4e2443e8c78d8d08e2f65ba4db579b30f65cf626e49f3.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3592 -
C:\Users\Admin\AppData\Local\Temp\u2rs.0.exe"C:\Users\Admin\AppData\Local\Temp\u2rs.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4596 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 23683⤵
- Program crash
PID:4792
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C:\Users\Admin\AppData\Local\Temp\u2rs.1.exe"C:\Users\Admin\AppData\Local\Temp\u2rs.1.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1908 -
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:3928
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3592 -s 11522⤵
- Program crash
PID:1344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3592 -ip 35921⤵PID:432
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4596 -ip 45961⤵PID:3908
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
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
3KB
MD5472c4a509e260ded96c086f49d189060
SHA17fafa09297b37ae5d0d50c26f480a2a8627e5274
SHA2561be36e3e9c6cfacf21c90eebe8dce35080ad8bb164cd7efaeeda313775eff64e
SHA5120a9a67267e9110ede747395cb004f407208c3b9f0f461aaa0ac603c5a39cb8c0b48403af7af79462613a5746237b2a9d2be7da9ac09d9e691a56f740e683f38e
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Filesize
266KB
MD57ed6ec404f1a557e5c734574421948d3
SHA1d77c5a4db410b713989427b37f045b824cc1eff5
SHA25682fcbe992186cf67ca0aa2da35425353505f9f8c59e0255a64e9e40c65d94e17
SHA512f970692b939cbb898dd4057e7c8095415d6fa3779af22d2ab86fcc6e7edc42151f592545e81c4a617ea40d392fa7943792580fc17acd3667a80a80e72286f3e9
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954