Analysis
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max time kernel
93s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
07-04-2024 20:17
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20240221-en
General
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Target
tmp.exe
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Size
454KB
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MD5
ff5102331f070d44be63a3446d9a583a
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SHA1
5df265bdd7f9302ef089b5c03183f3c6ecf11a56
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SHA256
c76e1dc0b8436bd1dfb05c050fb5fd7c890c031088b0698377e0a50c556f01d8
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SHA512
4d25a03b35f745d6a3f512add819cfd312aa42598bac555cb781e8621ae01b4111d83a67f2c69ab6b3c640517d5ae533bb19de201561edb7cf12774bc7a2c00e
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SSDEEP
12288:2iB9S1zi63i/LYjQogh7cz3EP4Fn4IWneiS6f:2irSI63iTYkogh4DlKrf
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
Processes:
resource yara_rule behavioral2/memory/4628-153-0x0000027079C90000-0x000002707D588000-memory.dmp family_zgrat_v1 behavioral2/memory/4628-160-0x000002701B470000-0x000002701B580000-memory.dmp family_zgrat_v1 behavioral2/memory/4628-164-0x000002701B240000-0x000002701B264000-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.
Processes:
tmp.exeu1ds.1.exeu1ds.0.exeCAFHDBGHJK.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation tmp.exe Key value queried \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation u1ds.1.exe Key value queried \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation u1ds.0.exe Key value queried \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation CAFHDBGHJK.exe -
Executes dropped EXE 3 IoCs
Processes:
u1ds.0.exeu1ds.1.exeCAFHDBGHJK.exepid process 2156 u1ds.0.exe 4444 u1ds.1.exe 1620 CAFHDBGHJK.exe -
Loads dropped DLL 2 IoCs
Processes:
u1ds.0.exepid process 2156 u1ds.0.exe 2156 u1ds.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
Processes:
WerFault.exeWerFault.exepid pid_target process target process 3152 1792 WerFault.exe tmp.exe 3728 2156 WerFault.exe u1ds.0.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
u1ds.1.exedescription ioc process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1ds.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1ds.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1ds.1.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
u1ds.0.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u1ds.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u1ds.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 30 IoCs
Processes:
u1ds.0.exeSystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exepid process 2156 u1ds.0.exe 2156 u1ds.0.exe 2156 u1ds.0.exe 2156 u1ds.0.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exedescription pid process Token: SeDebugPrivilege 4628 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
Processes:
u1ds.1.exepid process 4444 u1ds.1.exe 4444 u1ds.1.exe 4444 u1ds.1.exe 4444 u1ds.1.exe 4444 u1ds.1.exe 4444 u1ds.1.exe 4444 u1ds.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
Processes:
u1ds.1.exepid process 4444 u1ds.1.exe 4444 u1ds.1.exe 4444 u1ds.1.exe 4444 u1ds.1.exe 4444 u1ds.1.exe 4444 u1ds.1.exe 4444 u1ds.1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
tmp.exeu1ds.0.exeu1ds.1.execmd.exeCAFHDBGHJK.execmd.exedescription pid process target process PID 1792 wrote to memory of 2156 1792 tmp.exe u1ds.0.exe PID 1792 wrote to memory of 2156 1792 tmp.exe u1ds.0.exe PID 1792 wrote to memory of 2156 1792 tmp.exe u1ds.0.exe PID 1792 wrote to memory of 4444 1792 tmp.exe u1ds.1.exe PID 1792 wrote to memory of 4444 1792 tmp.exe u1ds.1.exe PID 1792 wrote to memory of 4444 1792 tmp.exe u1ds.1.exe PID 2156 wrote to memory of 4800 2156 u1ds.0.exe cmd.exe PID 2156 wrote to memory of 4800 2156 u1ds.0.exe cmd.exe PID 2156 wrote to memory of 4800 2156 u1ds.0.exe cmd.exe PID 4444 wrote to memory of 4628 4444 u1ds.1.exe SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe PID 4444 wrote to memory of 4628 4444 u1ds.1.exe SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe PID 4800 wrote to memory of 1620 4800 cmd.exe CAFHDBGHJK.exe PID 4800 wrote to memory of 1620 4800 cmd.exe CAFHDBGHJK.exe PID 4800 wrote to memory of 1620 4800 cmd.exe CAFHDBGHJK.exe PID 1620 wrote to memory of 4268 1620 CAFHDBGHJK.exe cmd.exe PID 1620 wrote to memory of 4268 1620 CAFHDBGHJK.exe cmd.exe PID 1620 wrote to memory of 4268 1620 CAFHDBGHJK.exe cmd.exe PID 4268 wrote to memory of 3760 4268 cmd.exe PING.EXE PID 4268 wrote to memory of 3760 4268 cmd.exe PING.EXE PID 4268 wrote to memory of 3760 4268 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1792 -
C:\Users\Admin\AppData\Local\Temp\u1ds.0.exe"C:\Users\Admin\AppData\Local\Temp\u1ds.0.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CAFHDBGHJK.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:4800 -
C:\Users\Admin\AppData\Local\Temp\CAFHDBGHJK.exe"C:\Users\Admin\AppData\Local\Temp\CAFHDBGHJK.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1620 -
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\CAFHDBGHJK.exe5⤵
- Suspicious use of WriteProcessMemory
PID:4268 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:3760 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 23283⤵
- Program crash
PID:3728 -
C:\Users\Admin\AppData\Local\Temp\u1ds.1.exe"C:\Users\Admin\AppData\Local\Temp\u1ds.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:4444 -
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:4628 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 9842⤵
- Program crash
PID:3152
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1792 -ip 17921⤵PID:4456
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 2156 -ip 21561⤵PID:3740
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
2KB
MD57a31dc912d0f90826cefa6b9624b93bb
SHA17d82088732bbfbff133003c51d11390a38650133
SHA256136b0ea5b3984aa6b919a613190467f89393355b16218d10325312deff6bb0a7
SHA5125ad75253aca5d837209b8878215ab5c0e326f2b56dfaf2e5307ca9b39a63655994a8308107d638b0b239ea5d32219fd05e2adea2ae93417cbbdb28ab422e31a2
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Filesize
3KB
MD599ca54cc520d3df57b161ccb1b32ee4f
SHA1c00dce24b938d717fd226d134f40b3b2fcab0ef1
SHA2569845aecd93e8a03d67e74fffc3875de20affe2c865dad49b410be2d894e3925b
SHA51295694a9047c6cdef3a26798da6ac87c3e67a775b460369d58624076c200a7ca124cf81ff87903f007786cd5f173a4f682ba44ba96ec58fc583afc7369dd5e57a
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Filesize
312KB
MD5bdcc90f5922fa5c4d3431a05dddc4dee
SHA1dbc148068e881bcd61c839998f8ecedb7621b44a
SHA256c7357c7eab02c84d5a78daf9d6bcf8159d113a1ea0bde9c3d79f389a78be4211
SHA512f312f0cec92e7c66265d39c86a7092c45f5e558a15c625790ba7b716fda6871d0a3ea8c4cc8eab53076695776d88282c02791b57e9789ba47646ee4f9e2d0868
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954