Analysis
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max time kernel
128s -
max time network
129s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
06-05-2024 12:18
Static task
static1
Behavioral task
behavioral1
Sample
2a1cd81df3daa51669d6535bf5389d9eda80da154fce446f525ec4dd11d10b36.exe
Resource
win10v2004-20240419-en
General
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Target
2a1cd81df3daa51669d6535bf5389d9eda80da154fce446f525ec4dd11d10b36.exe
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Size
416KB
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MD5
a2b1361249f3a5f11410fb6588cf88d8
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SHA1
285ea7b4964846712fb1159ee201eb526c3e15d9
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SHA256
2a1cd81df3daa51669d6535bf5389d9eda80da154fce446f525ec4dd11d10b36
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SHA512
fe321836a8bff5b332c55646be52235a8361ac22e64a1b1b79157f9c85bcaaf9047abefa04d5200865eaf7a8b279d9fbf45d827466912a55d335b8b44574c16c
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SSDEEP
6144:f/sljtGLGm0LFOvzmqUW8TcCovExfTp87gctz9Cc1jUyBnxeLDYtaZl:f/sljMLnmgSSecCmgpyz9C2/nO0tcl
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/4468-139-0x000001A77DF80000-0x000001A781878000-memory.dmp family_zgrat_v1 behavioral2/memory/4468-140-0x000001A71A7B0000-0x000001A71A8C0000-memory.dmp family_zgrat_v1 behavioral2/memory/4468-144-0x000001A71A670000-0x000001A71A694000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 1932 u2lw.0.exe 3428 u2lw.1.exe -
Loads dropped DLL 2 IoCs
pid Process 1932 u2lw.0.exe 1932 u2lw.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 2848 1932 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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2lw.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2lw.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2lw.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 u2lw.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2lw.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 1932 u2lw.0.exe 1932 u2lw.0.exe 1932 u2lw.0.exe 1932 u2lw.0.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4468 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 3428 u2lw.1.exe 3428 u2lw.1.exe 3428 u2lw.1.exe 3428 u2lw.1.exe 3428 u2lw.1.exe 3428 u2lw.1.exe 3428 u2lw.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 3428 u2lw.1.exe 3428 u2lw.1.exe 3428 u2lw.1.exe 3428 u2lw.1.exe 3428 u2lw.1.exe 3428 u2lw.1.exe 3428 u2lw.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3380 wrote to memory of 1932 3380 2a1cd81df3daa51669d6535bf5389d9eda80da154fce446f525ec4dd11d10b36.exe 80 PID 3380 wrote to memory of 1932 3380 2a1cd81df3daa51669d6535bf5389d9eda80da154fce446f525ec4dd11d10b36.exe 80 PID 3380 wrote to memory of 1932 3380 2a1cd81df3daa51669d6535bf5389d9eda80da154fce446f525ec4dd11d10b36.exe 80 PID 3380 wrote to memory of 3428 3380 2a1cd81df3daa51669d6535bf5389d9eda80da154fce446f525ec4dd11d10b36.exe 83 PID 3380 wrote to memory of 3428 3380 2a1cd81df3daa51669d6535bf5389d9eda80da154fce446f525ec4dd11d10b36.exe 83 PID 3380 wrote to memory of 3428 3380 2a1cd81df3daa51669d6535bf5389d9eda80da154fce446f525ec4dd11d10b36.exe 83 PID 3428 wrote to memory of 4468 3428 u2lw.1.exe 89 PID 3428 wrote to memory of 4468 3428 u2lw.1.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\2a1cd81df3daa51669d6535bf5389d9eda80da154fce446f525ec4dd11d10b36.exe"C:\Users\Admin\AppData\Local\Temp\2a1cd81df3daa51669d6535bf5389d9eda80da154fce446f525ec4dd11d10b36.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3380 -
C:\Users\Admin\AppData\Local\Temp\u2lw.0.exe"C:\Users\Admin\AppData\Local\Temp\u2lw.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1932 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 24483⤵
- Program crash
PID:2848
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C:\Users\Admin\AppData\Local\Temp\u2lw.1.exe"C:\Users\Admin\AppData\Local\Temp\u2lw.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3428 -
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:4468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1932 -ip 19321⤵PID:1976
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
MD5e2df3d2f7d62f2202c7849659b1648ab
SHA115779f7d371f97647a9b718ac748e961c446b1b4
SHA256aab50eed2a7d6098aa346a7aad7cbb1e5219a56bc1f5f1140193d21746ef55d3
SHA51209792533057fb311d7a3cc832c2695ea16fccac5eeb9d8d3ebc08b291c020cc095537e45a41194a0f38420eb8c7ea3c6dc391a68c4245d6e86e264a37a03d7c0
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Filesize
275KB
MD59eb9464649a3e10e8aad3ce2a8e6b4f6
SHA14d8237f97a2349039f817f69ad1b0f7a317e7ade
SHA25606ca216667daf350f1b6e97e7205b0dafe3e0e27a57ce368fe998504e766791f
SHA512bb7741c17431b75a048778d00078f18f8dc0f79a2ee2386bf57eabfe8b1058015abfdf45ff667955363f5f5afd1b6d7a6754ca13b48e731d4ddc6d69cf1b2355
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954