Analysis
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max time kernel
131s -
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
05/05/2024, 15:00
Static task
static1
Behavioral task
behavioral1
Sample
f901ec0e346db59fd39c83d204281ecd342787be99a2c70b3a172d49f99caada.exe
Resource
win10v2004-20240419-en
General
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Target
f901ec0e346db59fd39c83d204281ecd342787be99a2c70b3a172d49f99caada.exe
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Size
398KB
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MD5
5a875c4870660d52cc0f5854504f4e58
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SHA1
d29234545041ed5a5aa379436e7acdf434cf8c4d
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SHA256
f901ec0e346db59fd39c83d204281ecd342787be99a2c70b3a172d49f99caada
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SHA512
a27105750c399dab4f00ff01724494549b7d668ce2834daf6dad1c03823994f720bde4f32f66065a0db32c3468b5d83e1d9cd941c8df42582027311068b8addc
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SSDEEP
6144:PGC4KxC35rFAajEOyfpC0UWvLVtoyQzEofYbWpYmEGtgUkKLl:T4KkJf/yfpCfWvLNQnzp5EsgzAl
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/5056-64-0x0000024AF3050000-0x0000024AF6948000-memory.dmp family_zgrat_v1 behavioral2/memory/5056-65-0x0000024AF90F0000-0x0000024AF9200000-memory.dmp family_zgrat_v1 behavioral2/memory/5056-69-0x0000024AF9060000-0x0000024AF9084000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 1484 u2f0.0.exe 772 u2f0.1.exe -
Loads dropped DLL 2 IoCs
pid Process 1484 u2f0.0.exe 1484 u2f0.0.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 1900 3132 WerFault.exe 79 2932 1484 WerFault.exe 81 -
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 u2f0.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2f0.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2f0.1.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2f0.0.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u2f0.0.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 1484 u2f0.0.exe 1484 u2f0.0.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1484 u2f0.0.exe 1484 u2f0.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5056 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 772 u2f0.1.exe 772 u2f0.1.exe 772 u2f0.1.exe 772 u2f0.1.exe 772 u2f0.1.exe 772 u2f0.1.exe 772 u2f0.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 772 u2f0.1.exe 772 u2f0.1.exe 772 u2f0.1.exe 772 u2f0.1.exe 772 u2f0.1.exe 772 u2f0.1.exe 772 u2f0.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3132 wrote to memory of 1484 3132 f901ec0e346db59fd39c83d204281ecd342787be99a2c70b3a172d49f99caada.exe 81 PID 3132 wrote to memory of 1484 3132 f901ec0e346db59fd39c83d204281ecd342787be99a2c70b3a172d49f99caada.exe 81 PID 3132 wrote to memory of 1484 3132 f901ec0e346db59fd39c83d204281ecd342787be99a2c70b3a172d49f99caada.exe 81 PID 3132 wrote to memory of 772 3132 f901ec0e346db59fd39c83d204281ecd342787be99a2c70b3a172d49f99caada.exe 84 PID 3132 wrote to memory of 772 3132 f901ec0e346db59fd39c83d204281ecd342787be99a2c70b3a172d49f99caada.exe 84 PID 3132 wrote to memory of 772 3132 f901ec0e346db59fd39c83d204281ecd342787be99a2c70b3a172d49f99caada.exe 84 PID 772 wrote to memory of 5056 772 u2f0.1.exe 90 PID 772 wrote to memory of 5056 772 u2f0.1.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\f901ec0e346db59fd39c83d204281ecd342787be99a2c70b3a172d49f99caada.exe"C:\Users\Admin\AppData\Local\Temp\f901ec0e346db59fd39c83d204281ecd342787be99a2c70b3a172d49f99caada.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3132 -
C:\Users\Admin\AppData\Local\Temp\u2f0.0.exe"C:\Users\Admin\AppData\Local\Temp\u2f0.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1484 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1484 -s 24363⤵
- Program crash
PID:2932
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C:\Users\Admin\AppData\Local\Temp\u2f0.1.exe"C:\Users\Admin\AppData\Local\Temp\u2f0.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:772 -
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:5056
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 9602⤵
- Program crash
PID:1900
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3132 -ip 31321⤵PID:888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1484 -ip 14841⤵PID:704
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
274KB
MD5160e4e93d93c4bc3147c16b4c63fe69e
SHA17fcf95d878d7ab62eaee23b18c566bab137d28bc
SHA256c2743b008dc73aa0655b5034063be0227b2b17cc0d957b2d8139b934a2558d1f
SHA5127df14379844d0caf1adaaa25ee3d0605aca4f5fb7f85e080b51c06311e7e10e26cd569c17bb6e54542058092c6f748ccd646d500e41f7fef6f8a4248665b75a6
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954