Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
04-04-2024 17:39
Static task
static1
Behavioral task
behavioral1
Sample
033b2f50c6e46d7bd859a0e8689f9009f8b75861f3163cd61c8736cb78975683.exe
Resource
win10v2004-20240226-en
General
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Target
033b2f50c6e46d7bd859a0e8689f9009f8b75861f3163cd61c8736cb78975683.exe
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Size
359KB
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MD5
4e48d2ca5b2b77a24751d66b71d99433
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SHA1
e81ef55450ace248cb9871de9bdf7a7a3c0dddc0
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SHA256
033b2f50c6e46d7bd859a0e8689f9009f8b75861f3163cd61c8736cb78975683
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SHA512
2cffa25930b104ab867478a98b6f204af569ecbeb691917e1bd5aac154459415eb6f1621f610554077f6002f068bb14bf42de2f735e408d3308032539bf2bc0a
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SSDEEP
6144:LHPRYx4BUMASd/zIpbwXHRI92s3uTjIT75tPr4QqqtYxUkUrvTa+iTR1:1Y+UMASxCmxI92ouTjIBtPrmIYR1
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 behavioral1/memory/1140-145-0x000001D393F50000-0x000001D397848000-memory.dmp family_zgrat_v1 behavioral1/memory/1140-148-0x000001D3B30B0000-0x000001D3B31C0000-memory.dmp family_zgrat_v1 behavioral1/memory/1140-152-0x000001D3B1E30000-0x000001D3B1E54000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation 033b2f50c6e46d7bd859a0e8689f9009f8b75861f3163cd61c8736cb78975683.exe Key value queried \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation u2nk.1.exe Key value queried \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation u2nk.0.exe Key value queried \REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation IDBAFHDGDG.exe -
Executes dropped EXE 4 IoCs
pid Process 2380 u2nk.0.exe 2844 u2nk.0.exe 588 u2nk.1.exe 4440 IDBAFHDGDG.exe -
Loads dropped DLL 2 IoCs
pid Process 2844 u2nk.0.exe 2844 u2nk.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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2380 set thread context of 2844 2380 u2nk.0.exe 94 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 u2nk.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2nk.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2nk.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 u2nk.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2nk.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1188 PING.EXE -
Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 2844 u2nk.0.exe 2844 u2nk.0.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2844 u2nk.0.exe 2844 u2nk.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1140 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 588 u2nk.1.exe 588 u2nk.1.exe 588 u2nk.1.exe 588 u2nk.1.exe 588 u2nk.1.exe 588 u2nk.1.exe 588 u2nk.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 588 u2nk.1.exe 588 u2nk.1.exe 588 u2nk.1.exe 588 u2nk.1.exe 588 u2nk.1.exe 588 u2nk.1.exe 588 u2nk.1.exe -
Suspicious use of WriteProcessMemory 29 IoCs
description pid Process procid_target PID 3440 wrote to memory of 2380 3440 033b2f50c6e46d7bd859a0e8689f9009f8b75861f3163cd61c8736cb78975683.exe 90 PID 3440 wrote to memory of 2380 3440 033b2f50c6e46d7bd859a0e8689f9009f8b75861f3163cd61c8736cb78975683.exe 90 PID 3440 wrote to memory of 2380 3440 033b2f50c6e46d7bd859a0e8689f9009f8b75861f3163cd61c8736cb78975683.exe 90 PID 2380 wrote to memory of 2844 2380 u2nk.0.exe 94 PID 2380 wrote to memory of 2844 2380 u2nk.0.exe 94 PID 2380 wrote to memory of 2844 2380 u2nk.0.exe 94 PID 2380 wrote to memory of 2844 2380 u2nk.0.exe 94 PID 2380 wrote to memory of 2844 2380 u2nk.0.exe 94 PID 2380 wrote to memory of 2844 2380 u2nk.0.exe 94 PID 2380 wrote to memory of 2844 2380 u2nk.0.exe 94 PID 2380 wrote to memory of 2844 2380 u2nk.0.exe 94 PID 2380 wrote to memory of 2844 2380 u2nk.0.exe 94 PID 3440 wrote to memory of 588 3440 033b2f50c6e46d7bd859a0e8689f9009f8b75861f3163cd61c8736cb78975683.exe 95 PID 3440 wrote to memory of 588 3440 033b2f50c6e46d7bd859a0e8689f9009f8b75861f3163cd61c8736cb78975683.exe 95 PID 3440 wrote to memory of 588 3440 033b2f50c6e46d7bd859a0e8689f9009f8b75861f3163cd61c8736cb78975683.exe 95 PID 588 wrote to memory of 1140 588 u2nk.1.exe 101 PID 588 wrote to memory of 1140 588 u2nk.1.exe 101 PID 2844 wrote to memory of 1720 2844 u2nk.0.exe 104 PID 2844 wrote to memory of 1720 2844 u2nk.0.exe 104 PID 2844 wrote to memory of 1720 2844 u2nk.0.exe 104 PID 1720 wrote to memory of 4440 1720 cmd.exe 106 PID 1720 wrote to memory of 4440 1720 cmd.exe 106 PID 1720 wrote to memory of 4440 1720 cmd.exe 106 PID 4440 wrote to memory of 3956 4440 IDBAFHDGDG.exe 107 PID 4440 wrote to memory of 3956 4440 IDBAFHDGDG.exe 107 PID 4440 wrote to memory of 3956 4440 IDBAFHDGDG.exe 107 PID 3956 wrote to memory of 1188 3956 cmd.exe 109 PID 3956 wrote to memory of 1188 3956 cmd.exe 109 PID 3956 wrote to memory of 1188 3956 cmd.exe 109
Processes
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C:\Users\Admin\AppData\Local\Temp\033b2f50c6e46d7bd859a0e8689f9009f8b75861f3163cd61c8736cb78975683.exe"C:\Users\Admin\AppData\Local\Temp\033b2f50c6e46d7bd859a0e8689f9009f8b75861f3163cd61c8736cb78975683.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3440 -
C:\Users\Admin\AppData\Local\Temp\u2nk.0.exe"C:\Users\Admin\AppData\Local\Temp\u2nk.0.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Users\Admin\AppData\Local\Temp\u2nk.0.exe"C:\Users\Admin\AppData\Local\Temp\u2nk.0.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2844 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IDBAFHDGDG.exe"4⤵
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Users\Admin\AppData\Local\Temp\IDBAFHDGDG.exe"C:\Users\Admin\AppData\Local\Temp\IDBAFHDGDG.exe"5⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4440 -
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\IDBAFHDGDG.exe6⤵
- Suspicious use of WriteProcessMemory
PID:3956 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30007⤵
- Runs ping.exe
PID:1188
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C:\Users\Admin\AppData\Local\Temp\u2nk.1.exe"C:\Users\Admin\AppData\Local\Temp\u2nk.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:588 -
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:1140
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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
106KB
MD5fe380780b5c35bd6d54541791151c2be
SHA17fe3a583cf91474c733f85cebf3c857682e269e1
SHA256b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53
SHA512ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c
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Filesize
3KB
MD5f20947cb0622a2011d8d78765ac25027
SHA1517d7de3ee0fdf413a10d310b70cfb4bc6d78690
SHA25651077e115067f108b7b88f4757ae872f7e1b0b3d28dadc3c3d49a89e743eb4b0
SHA51268266c9dd0eb00bfac4f3395cbef565aa4492154cb8eaf13c6892381abe0ae2a656305ec6f3ab7b2da6ec12ee68e73a42ed65434d69cf3b94ba2098b95fe60e4
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Filesize
218KB
MD58ea1d93b5483f485d5f9faa31b93da8f
SHA1efe417a99c985f55220e493b2690bb223fb874bd
SHA2564ea48e183f9935319a1124ac40fbd2f19bcdf77f6b600293600b6e898c184059
SHA512b37a06d9b3ad90f9668f4a7fa7ae3b5426a29d62cc8353dffca9c49e3466ba152a083af9f9c2ce3b43ae79000f7052ce8ba384bf1d50e65426d0c0473a4093ec
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954