Analysis
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max time kernel
150s -
max time network
137s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
22-03-2024 00:15
Static task
static1
Behavioral task
behavioral1
Sample
dc87c553f18d409daafd6af7f4feaab1685367c573d22181ca1397737b92d93b.exe
Resource
win10v2004-20240226-en
General
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Target
dc87c553f18d409daafd6af7f4feaab1685367c573d22181ca1397737b92d93b.exe
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Size
409KB
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MD5
29c17bac7bd976f82a4d3585d17fb89b
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SHA1
940c2887c6119ab5d1d122aafdf2202dfb531379
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SHA256
dc87c553f18d409daafd6af7f4feaab1685367c573d22181ca1397737b92d93b
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SHA512
7b5cc9660553e2b678785e44f36cb539267326d32818389954421c1399ace8ec05329a25e774d195119f8349e1b7aed94f7159e84c479510e6ce8d360134e928
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SSDEEP
6144:Jm6lOzD+VISaP8j/1+UtArRTOpGEsKmqYBd3a5eRkTjzUAfJkm/:w6lOzyVIbPzcA1WGwmqqdqU6LHum/
Malware Config
Extracted
stealc
http://185.172.128.209
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url_path
/3cd2b41cbde8fc9c.php
Signatures
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Detect ZGRat V1 3 IoCs
resource yara_rule behavioral2/memory/4660-140-0x0000013867550000-0x000001386AE22000-memory.dmp family_zgrat_v1 behavioral2/memory/4660-142-0x000001386D660000-0x000001386D76E000-memory.dmp family_zgrat_v1 behavioral2/memory/4660-146-0x000001386D480000-0x000001386D4A4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
pid Process 1768 u2po.0.exe 4488 u2po.1.exe 4680 GDBFCGIIIJ.exe -
Loads dropped DLL 2 IoCs
pid Process 1768 u2po.0.exe 1768 u2po.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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4280069375-290121026-380765049-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ledger-Live Updater = "C:\\Users\\Admin\\AppData\\Local\\Temp\\GDBFCGIIIJ.exe" GDBFCGIIIJ.exe -
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 244 3516 WerFault.exe 75 4668 1768 WerFault.exe 76 -
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 u2po.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2po.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2po.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 u2po.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2po.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1124 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1768 u2po.0.exe 1768 u2po.0.exe 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1768 u2po.0.exe 1768 u2po.0.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe 4680 GDBFCGIIIJ.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4660 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe Token: SeDebugPrivilege 4680 GDBFCGIIIJ.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4488 u2po.1.exe 4488 u2po.1.exe 4488 u2po.1.exe 4488 u2po.1.exe 4488 u2po.1.exe 4488 u2po.1.exe 4488 u2po.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4488 u2po.1.exe 4488 u2po.1.exe 4488 u2po.1.exe 4488 u2po.1.exe 4488 u2po.1.exe 4488 u2po.1.exe 4488 u2po.1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 3516 wrote to memory of 1768 3516 dc87c553f18d409daafd6af7f4feaab1685367c573d22181ca1397737b92d93b.exe 76 PID 3516 wrote to memory of 1768 3516 dc87c553f18d409daafd6af7f4feaab1685367c573d22181ca1397737b92d93b.exe 76 PID 3516 wrote to memory of 1768 3516 dc87c553f18d409daafd6af7f4feaab1685367c573d22181ca1397737b92d93b.exe 76 PID 3516 wrote to memory of 4488 3516 dc87c553f18d409daafd6af7f4feaab1685367c573d22181ca1397737b92d93b.exe 79 PID 3516 wrote to memory of 4488 3516 dc87c553f18d409daafd6af7f4feaab1685367c573d22181ca1397737b92d93b.exe 79 PID 3516 wrote to memory of 4488 3516 dc87c553f18d409daafd6af7f4feaab1685367c573d22181ca1397737b92d93b.exe 79 PID 4488 wrote to memory of 4660 4488 u2po.1.exe 84 PID 4488 wrote to memory of 4660 4488 u2po.1.exe 84 PID 1768 wrote to memory of 3872 1768 u2po.0.exe 87 PID 1768 wrote to memory of 3872 1768 u2po.0.exe 87 PID 1768 wrote to memory of 3872 1768 u2po.0.exe 87 PID 3872 wrote to memory of 4680 3872 cmd.exe 91 PID 3872 wrote to memory of 4680 3872 cmd.exe 91 PID 3872 wrote to memory of 4680 3872 cmd.exe 91 PID 4680 wrote to memory of 2056 4680 GDBFCGIIIJ.exe 92 PID 4680 wrote to memory of 2056 4680 GDBFCGIIIJ.exe 92 PID 4680 wrote to memory of 2056 4680 GDBFCGIIIJ.exe 92 PID 2056 wrote to memory of 1124 2056 cmd.exe 94 PID 2056 wrote to memory of 1124 2056 cmd.exe 94 PID 2056 wrote to memory of 1124 2056 cmd.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\dc87c553f18d409daafd6af7f4feaab1685367c573d22181ca1397737b92d93b.exe"C:\Users\Admin\AppData\Local\Temp\dc87c553f18d409daafd6af7f4feaab1685367c573d22181ca1397737b92d93b.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3516 -
C:\Users\Admin\AppData\Local\Temp\u2po.0.exe"C:\Users\Admin\AppData\Local\Temp\u2po.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\GDBFCGIIIJ.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:3872 -
C:\Users\Admin\AppData\Local\Temp\GDBFCGIIIJ.exe"C:\Users\Admin\AppData\Local\Temp\GDBFCGIIIJ.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4680 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\GDBFCGIIIJ.exe5⤵
- Suspicious use of WriteProcessMemory
PID:2056 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:1124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 24643⤵
- Program crash
PID:4668
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C:\Users\Admin\AppData\Local\Temp\u2po.1.exe"C:\Users\Admin\AppData\Local\Temp\u2po.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4488 -
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:4660
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 11682⤵
- Program crash
PID:244
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3516 -ip 35161⤵PID:848
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1768 -ip 17681⤵PID:3920
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
494KB
MD54a7ed868e6977b30298d3b3983086f2d
SHA13635dc8a620ca034c390b0e0fdf7635734244c76
SHA256f12704a2466316ff3e9471097b7cd8e0e61579c8d10c8dd38ee9a4741d011b1c
SHA512b6a98f4833de0de1d106418505da98e2a6f563e7755318bb64ca7875a21fea9e67e51001e533572fd103da7001a6bb8fd35519e623fdb3c98b4d116c5791b232
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Filesize
352KB
MD5de991b746ccd00a66ca055db26ae38ad
SHA15ab15cabfd7c7fb4ffb1b06856382f56b01cfacf
SHA25670dfe379d616c41f9a69e96af6c3e5e7d1af889d91fc9e0c51d10d94021c02c7
SHA512106e25cba2997b9aa0ca7f7c0083e2c5df57a4ab804727d600d258936f8d6328b993bfa1071e2aaf707e1e01729842b4802a097a1640ccabc57ea5193892bf52
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Filesize
591KB
MD5250111418435d444c456125866ec790b
SHA1dd78f8c748d016707719c8254b15a329eb5e2fb8
SHA2569640f4f6f3a25424960ef1eeff3170cb0694166775eec1fe567c540340ba5148
SHA5122128ae90729388e5523cb201365194f010b7f8aea384da3bf551de522eaa714ecf26248e3fc30f177d1fed28fa930f68ce2c6f0fc48fef8c7a9208359f246486
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Filesize
101KB
MD542b838cf8bdf67400525e128d917f6e0
SHA1a578f6faec738912dba8c41e7abe1502c46d0cae
SHA2560e4ffba62ce9a464aa1b7ff9f1e55ace8f51ff1e15102d856f801a81f8b4607d
SHA512f64b39d885375251ab7db72c57dc5b5095f0c6412169f1035d1f6a25b8415a2a01004d06bfa0267cf683ef7dea7a9f969ad43fde5a4376f1fcb65a57403433c0
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Filesize
261KB
MD5369bcf5627230da1e49844148acf3fe1
SHA1929b7947ca9e37b4b7f9e8c881ac31f86a6d29e3
SHA256347ea599612fa73c1ad9b66eb576f6e74d4435bd1bdc4488f6d93e7564e3e1f4
SHA5123274e4d9482b58eef43058ce6355db3b74f038f8af08bed04b0e86b5f5eb56ffbbe84c7b6cd4e0357d306069e30bc86de558f4e559c32a8a0bb9c8f040bbb490
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954