Analysis
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max time kernel
130s -
max time network
132s -
platform
windows11-21h2_x64 -
resource
win11-20240419-en -
resource tags
arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system -
submitted
07-05-2024 19:45
Static task
static1
Behavioral task
behavioral1
Sample
19db0a5131dd99b1af05a4c2b04948ea0a3a4307a34506eee732165825572407.exe
Resource
win10v2004-20240419-en
General
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Target
19db0a5131dd99b1af05a4c2b04948ea0a3a4307a34506eee732165825572407.exe
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Size
404KB
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MD5
c2cd725c9947ccc6afdefb26a3bb5b6e
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SHA1
facbedddff36beb284dc900000c1bc71f236169d
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SHA256
19db0a5131dd99b1af05a4c2b04948ea0a3a4307a34506eee732165825572407
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SHA512
00d917fb66d3d3208ce8265cb27ac6109866d7307f53cf20f37145ae8a16c93e4708cba87485478e95454d2663308d8aafafd0bed9d60235bebc86c8bd3fc1fb
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SSDEEP
6144:I+hXdi5S6e9EioGDqP3/CFPi/uh9SqPLb6kACHXPH1D2B9DHf8:vi5SQGOPvCFPi/uhYwLbmC3PH1D2BR8
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/968-106-0x00000232ADDF0000-0x00000232B1624000-memory.dmp family_zgrat_v1 behavioral2/memory/968-107-0x00000232CBDB0000-0x00000232CBEBA000-memory.dmp family_zgrat_v1 behavioral2/memory/968-111-0x00000232CBD80000-0x00000232CBDA4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 1040 u1tk.0.exe 2856 u1tk.1.exe -
Loads dropped DLL 2 IoCs
pid Process 1040 u1tk.0.exe 1040 u1tk.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
pid pid_target Process procid_target 1204 2360 WerFault.exe 78 3184 1040 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 opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1tk.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1tk.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1tk.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 u1tk.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u1tk.0.exe -
Suspicious behavior: EnumeratesProcesses 23 IoCs
pid Process 1040 u1tk.0.exe 1040 u1tk.0.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1040 u1tk.0.exe 1040 u1tk.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 968 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2856 u1tk.1.exe 2856 u1tk.1.exe 2856 u1tk.1.exe 2856 u1tk.1.exe 2856 u1tk.1.exe 2856 u1tk.1.exe 2856 u1tk.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2856 u1tk.1.exe 2856 u1tk.1.exe 2856 u1tk.1.exe 2856 u1tk.1.exe 2856 u1tk.1.exe 2856 u1tk.1.exe 2856 u1tk.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2360 wrote to memory of 1040 2360 19db0a5131dd99b1af05a4c2b04948ea0a3a4307a34506eee732165825572407.exe 80 PID 2360 wrote to memory of 1040 2360 19db0a5131dd99b1af05a4c2b04948ea0a3a4307a34506eee732165825572407.exe 80 PID 2360 wrote to memory of 1040 2360 19db0a5131dd99b1af05a4c2b04948ea0a3a4307a34506eee732165825572407.exe 80 PID 2360 wrote to memory of 2856 2360 19db0a5131dd99b1af05a4c2b04948ea0a3a4307a34506eee732165825572407.exe 83 PID 2360 wrote to memory of 2856 2360 19db0a5131dd99b1af05a4c2b04948ea0a3a4307a34506eee732165825572407.exe 83 PID 2360 wrote to memory of 2856 2360 19db0a5131dd99b1af05a4c2b04948ea0a3a4307a34506eee732165825572407.exe 83 PID 2856 wrote to memory of 968 2856 u1tk.1.exe 89 PID 2856 wrote to memory of 968 2856 u1tk.1.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\19db0a5131dd99b1af05a4c2b04948ea0a3a4307a34506eee732165825572407.exe"C:\Users\Admin\AppData\Local\Temp\19db0a5131dd99b1af05a4c2b04948ea0a3a4307a34506eee732165825572407.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Users\Admin\AppData\Local\Temp\u1tk.0.exe"C:\Users\Admin\AppData\Local\Temp\u1tk.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1040 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1040 -s 24563⤵
- Program crash
PID:3184
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C:\Users\Admin\AppData\Local\Temp\u1tk.1.exe"C:\Users\Admin\AppData\Local\Temp\u1tk.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2856 -
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:968
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 15282⤵
- Program crash
PID:1204
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2360 -ip 23601⤵PID:3856
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1040 -ip 10401⤵PID:4504
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
MD54724e289ed5d7d1e1a897ee42899076d
SHA15fbea560976eb223076045dae4704589341ddc34
SHA256349f4bd08208f657d889153770c25a4d7d51b8972ecff072e33f713343fc55f1
SHA512dbbebf7564be545e448e835d54ad8834d2b62273b66ced063b9baeb8c7915293a71f66173f76f442adfc055b2ee0bdf5b6d4b7a1b25c652deb66cd81771191af
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Filesize
262KB
MD549c818da112894812df1468c79b96bbc
SHA1b943d8877e19b59cd6f61f702c659e635fd96a4f
SHA2567dee0c70282dffb5642fe42e1d7480ace50d58fad04f41f240b99dd7be432a3a
SHA5125171905e30b07b72a32f12b0d9a39003d1a8aa83feeb25cb867a2290eed5e8bf3c6b2d7e5eb85be31a1bc818726dafd899d9956440804b2ef47d46e41c259732
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954