Analysis
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max time kernel
146s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
06-05-2024 10:15
Static task
static1
Behavioral task
behavioral1
Sample
41e787f5056461565bce0f5d57abe5ec66f24ba3a3a788e1835737afa3d0bf4a.exe
Resource
win10v2004-20240419-en
General
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Target
41e787f5056461565bce0f5d57abe5ec66f24ba3a3a788e1835737afa3d0bf4a.exe
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Size
417KB
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MD5
e3b28616f9edb6e4c6bbf6b495856b41
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SHA1
b3ef76641c0cc8f082fc53f3c9851a1735b36161
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SHA256
41e787f5056461565bce0f5d57abe5ec66f24ba3a3a788e1835737afa3d0bf4a
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SHA512
00afb7809778b8f1e80935cc560f10d203a57f96404083e53d63d7899b367f50a0588ce9b4f830cc030c4afd7d48e5d9a99818372aa72f3e7acc335fb6bfcfeb
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SSDEEP
6144:d5pk6VtVbGU1sVOzp0f1eYVwIuI84glzNwiaTSLrqi3Vta5K:d5pjVLbX0ONzYarI0lzhaT+RVtMK
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/1908-137-0x00000195C1720000-0x00000195C5018000-memory.dmp family_zgrat_v1 behavioral2/memory/1908-143-0x00000195DF7A0000-0x00000195DF8B0000-memory.dmp family_zgrat_v1 behavioral2/memory/1908-151-0x00000195C6CE0000-0x00000195C6D04000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 2324 u18c.0.exe 3320 u18c.1.exe -
Loads dropped DLL 2 IoCs
pid Process 2324 u18c.0.exe 2324 u18c.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 1 IoCs
pid pid_target Process procid_target 2544 2324 WerFault.exe 82 -
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 u18c.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u18c.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u18c.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 u18c.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u18c.0.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 2324 u18c.0.exe 2324 u18c.0.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2324 u18c.0.exe 2324 u18c.0.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1908 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 3320 u18c.1.exe 3320 u18c.1.exe 3320 u18c.1.exe 3320 u18c.1.exe 3320 u18c.1.exe 3320 u18c.1.exe 3320 u18c.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 3320 u18c.1.exe 3320 u18c.1.exe 3320 u18c.1.exe 3320 u18c.1.exe 3320 u18c.1.exe 3320 u18c.1.exe 3320 u18c.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1596 wrote to memory of 2324 1596 41e787f5056461565bce0f5d57abe5ec66f24ba3a3a788e1835737afa3d0bf4a.exe 82 PID 1596 wrote to memory of 2324 1596 41e787f5056461565bce0f5d57abe5ec66f24ba3a3a788e1835737afa3d0bf4a.exe 82 PID 1596 wrote to memory of 2324 1596 41e787f5056461565bce0f5d57abe5ec66f24ba3a3a788e1835737afa3d0bf4a.exe 82 PID 1596 wrote to memory of 3320 1596 41e787f5056461565bce0f5d57abe5ec66f24ba3a3a788e1835737afa3d0bf4a.exe 85 PID 1596 wrote to memory of 3320 1596 41e787f5056461565bce0f5d57abe5ec66f24ba3a3a788e1835737afa3d0bf4a.exe 85 PID 1596 wrote to memory of 3320 1596 41e787f5056461565bce0f5d57abe5ec66f24ba3a3a788e1835737afa3d0bf4a.exe 85 PID 3320 wrote to memory of 1908 3320 u18c.1.exe 87 PID 3320 wrote to memory of 1908 3320 u18c.1.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\41e787f5056461565bce0f5d57abe5ec66f24ba3a3a788e1835737afa3d0bf4a.exe"C:\Users\Admin\AppData\Local\Temp\41e787f5056461565bce0f5d57abe5ec66f24ba3a3a788e1835737afa3d0bf4a.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:1596 -
C:\Users\Admin\AppData\Local\Temp\u18c.0.exe"C:\Users\Admin\AppData\Local\Temp\u18c.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:2324 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 21923⤵
- Program crash
PID:2544
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C:\Users\Admin\AppData\Local\Temp\u18c.1.exe"C:\Users\Admin\AppData\Local\Temp\u18c.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3320 -
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:1908
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2324 -ip 23241⤵PID:1752
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
3KB
MD5a927af41dc9ec9eb1bececb467f6527c
SHA1c78f16c6df34eb0ffa17ba9ecb4e24559a1c9563
SHA2565828ae654cb3031bb2fce5e15d263a3c4e0ae66d86f30ad8700e59d720b86075
SHA512b57d5ca6ebe1cced71931625359c378af1633e267fa0c4b9ee893f8737806561547104a8058b417447284766cb552c5b3fac680441f5714ad51e8f9973bbe56a
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Filesize
274KB
MD57faacbf66f86efccce100cd447ecca62
SHA190f565110b0bbd2f086acaf6ef57fb13f4f7d86f
SHA256c5400417da46366c8a498ed88d81f968fd504a2a704022dea1a7bdfc0cdc0677
SHA51216c9d4c07ff3dbf0850dafdaa67381086b6ba40644bc153094d58ec641379f126bc1877832d4ab0efadd3f723dd6a89a5c33c3239d5033e150880105075d470a
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954