Analysis
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max time kernel
146s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240508-en -
resource tags
arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system -
submitted
10-05-2024 12:50
Static task
static1
Behavioral task
behavioral1
Sample
50ef7d8f00d93d863c58a5d2dac90d66da1cb82faf10020037f612c7261abbe3.exe
Resource
win10v2004-20240426-en
General
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Target
50ef7d8f00d93d863c58a5d2dac90d66da1cb82faf10020037f612c7261abbe3.exe
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Size
372KB
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MD5
326c69656644cf65b35197f01dfff9f5
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SHA1
608a56e5c389f7720ed34ce2ae5ad37b0c27f58f
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SHA256
50ef7d8f00d93d863c58a5d2dac90d66da1cb82faf10020037f612c7261abbe3
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SHA512
0db28735ccaa6efced000dd70e7edeb6b0520e1657a461a07cc05f159a206d0761752c840348d4df5b5faab24a1d074dca23427335724956131e40366678e303
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SSDEEP
6144:pGPxzYVfryibS0RMb2oP6jZRDu82So+jO8PdCkniwVUBh0V+VtdQT6lXs:pGPx0zzb9RMbP6jZhGSo+jOpiXI2V+VI
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/1132-136-0x00000182EA650000-0x00000182EDE84000-memory.dmp family_zgrat_v1 behavioral2/memory/1132-137-0x00000182F0690000-0x00000182F079A000-memory.dmp family_zgrat_v1 behavioral2/memory/1132-141-0x00000182EFCC0000-0x00000182EFCE4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 3424 u1v4.0.exe 1784 u1v4.1.exe -
Loads dropped DLL 2 IoCs
pid Process 3424 u1v4.0.exe 3424 u1v4.0.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 3916 2416 WerFault.exe 76 4908 3424 WerFault.exe 77 -
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 u1v4.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1v4.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1v4.1.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 u1v4.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u1v4.0.exe -
Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 3424 u1v4.0.exe 3424 u1v4.0.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1132 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 1784 u1v4.1.exe 1784 u1v4.1.exe 1784 u1v4.1.exe 1784 u1v4.1.exe 1784 u1v4.1.exe 1784 u1v4.1.exe 1784 u1v4.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1784 u1v4.1.exe 1784 u1v4.1.exe 1784 u1v4.1.exe 1784 u1v4.1.exe 1784 u1v4.1.exe 1784 u1v4.1.exe 1784 u1v4.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2416 wrote to memory of 3424 2416 50ef7d8f00d93d863c58a5d2dac90d66da1cb82faf10020037f612c7261abbe3.exe 77 PID 2416 wrote to memory of 3424 2416 50ef7d8f00d93d863c58a5d2dac90d66da1cb82faf10020037f612c7261abbe3.exe 77 PID 2416 wrote to memory of 3424 2416 50ef7d8f00d93d863c58a5d2dac90d66da1cb82faf10020037f612c7261abbe3.exe 77 PID 2416 wrote to memory of 1784 2416 50ef7d8f00d93d863c58a5d2dac90d66da1cb82faf10020037f612c7261abbe3.exe 80 PID 2416 wrote to memory of 1784 2416 50ef7d8f00d93d863c58a5d2dac90d66da1cb82faf10020037f612c7261abbe3.exe 80 PID 2416 wrote to memory of 1784 2416 50ef7d8f00d93d863c58a5d2dac90d66da1cb82faf10020037f612c7261abbe3.exe 80 PID 1784 wrote to memory of 1132 1784 u1v4.1.exe 85 PID 1784 wrote to memory of 1132 1784 u1v4.1.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\50ef7d8f00d93d863c58a5d2dac90d66da1cb82faf10020037f612c7261abbe3.exe"C:\Users\Admin\AppData\Local\Temp\50ef7d8f00d93d863c58a5d2dac90d66da1cb82faf10020037f612c7261abbe3.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2416 -
C:\Users\Admin\AppData\Local\Temp\u1v4.0.exe"C:\Users\Admin\AppData\Local\Temp\u1v4.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3424 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3424 -s 22523⤵
- Program crash
PID:4908
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C:\Users\Admin\AppData\Local\Temp\u1v4.1.exe"C:\Users\Admin\AppData\Local\Temp\u1v4.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1784 -
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:1132
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2416 -s 10482⤵
- Program crash
PID:3916
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2416 -ip 24161⤵PID:1788
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3424 -ip 34241⤵PID:1728
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
231KB
MD5879b731bc25ad06eea7282496b49363e
SHA1b8d419721f28e130cce781e5968f40ac2c5e7456
SHA256ab5ad9f5fd8938c963a1602539d2409a514f26e8263b9f424b3a79fc3632f98f
SHA5126c69b11027063f24ee98c7202b4a8fd8c0cf023f4819231710c93707d2624127b41b8337f7a7e7de45d8c9b2b9ecf8e7c469b47ab1916c6468ab439a038b06c2
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954