Analysis
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max time kernel
147s -
max time network
150s -
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 23:22
Static task
static1
Behavioral task
behavioral1
Sample
f8645e4d70d72dcd44a1606437c8481d415f9791b89dda79e5d7dfd0056a3357.exe
Resource
win10v2004-20240419-en
General
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Target
f8645e4d70d72dcd44a1606437c8481d415f9791b89dda79e5d7dfd0056a3357.exe
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Size
404KB
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MD5
8eec6abf18ef5e6ce025c75d03744600
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SHA1
c2c5ea03a9a2c024c4713df18c24dc517254d5f6
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SHA256
f8645e4d70d72dcd44a1606437c8481d415f9791b89dda79e5d7dfd0056a3357
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SHA512
3bc5ac244f1e63a2e45b330feb988e58f3827252f35164c82938e40d1c43f1323852758a0294c04a14db173177fe5a9fb8968851b8b8f9503422393e68e168a2
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SSDEEP
6144:zFnmGM8FncD84WsYk8WPdFZ+V3zu4NfCWXmCL/AvBFIUHf/:z5mLrD8xgzJu3zu4Nf5XmiUOw/
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/2516-142-0x0000028978050000-0x000002897B884000-memory.dmp family_zgrat_v1 behavioral2/memory/2516-143-0x000002897E420000-0x000002897E52A000-memory.dmp family_zgrat_v1 behavioral2/memory/2516-147-0x000002897DDE0000-0x000002897DE04000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
pid Process 4808 u2bg.0.exe 2888 u2bg.1.exe -
Loads dropped DLL 2 IoCs
pid Process 4808 u2bg.0.exe 4808 u2bg.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 3092 4808 WerFault.exe 81 4020 3004 WerFault.exe 79 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2bg.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2bg.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2bg.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 u2bg.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2bg.0.exe -
Suspicious behavior: EnumeratesProcesses 25 IoCs
pid Process 4808 u2bg.0.exe 4808 u2bg.0.exe 4808 u2bg.0.exe 4808 u2bg.0.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2516 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2888 u2bg.1.exe 2888 u2bg.1.exe 2888 u2bg.1.exe 2888 u2bg.1.exe 2888 u2bg.1.exe 2888 u2bg.1.exe 2888 u2bg.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2888 u2bg.1.exe 2888 u2bg.1.exe 2888 u2bg.1.exe 2888 u2bg.1.exe 2888 u2bg.1.exe 2888 u2bg.1.exe 2888 u2bg.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3004 wrote to memory of 4808 3004 f8645e4d70d72dcd44a1606437c8481d415f9791b89dda79e5d7dfd0056a3357.exe 81 PID 3004 wrote to memory of 4808 3004 f8645e4d70d72dcd44a1606437c8481d415f9791b89dda79e5d7dfd0056a3357.exe 81 PID 3004 wrote to memory of 4808 3004 f8645e4d70d72dcd44a1606437c8481d415f9791b89dda79e5d7dfd0056a3357.exe 81 PID 3004 wrote to memory of 2888 3004 f8645e4d70d72dcd44a1606437c8481d415f9791b89dda79e5d7dfd0056a3357.exe 87 PID 3004 wrote to memory of 2888 3004 f8645e4d70d72dcd44a1606437c8481d415f9791b89dda79e5d7dfd0056a3357.exe 87 PID 3004 wrote to memory of 2888 3004 f8645e4d70d72dcd44a1606437c8481d415f9791b89dda79e5d7dfd0056a3357.exe 87 PID 2888 wrote to memory of 2516 2888 u2bg.1.exe 92 PID 2888 wrote to memory of 2516 2888 u2bg.1.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\f8645e4d70d72dcd44a1606437c8481d415f9791b89dda79e5d7dfd0056a3357.exe"C:\Users\Admin\AppData\Local\Temp\f8645e4d70d72dcd44a1606437c8481d415f9791b89dda79e5d7dfd0056a3357.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3004 -
C:\Users\Admin\AppData\Local\Temp\u2bg.0.exe"C:\Users\Admin\AppData\Local\Temp\u2bg.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4808 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4808 -s 24643⤵
- Program crash
PID:3092
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C:\Users\Admin\AppData\Local\Temp\u2bg.1.exe"C:\Users\Admin\AppData\Local\Temp\u2bg.1.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2888 -
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:2516
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 11362⤵
- Program crash
PID:4020
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4808 -ip 48081⤵PID:1020
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3004 -ip 30041⤵PID:4088
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
262KB
MD5f0dac37ebcbdf6049fdaddd88f555fe2
SHA16f0195060249777d77c38622b1c3b0fd7cbc1dfd
SHA25603402214ff5c205ad0bcb67ee7785ff2a438f98cb1994ef5454f49115b3e1a3d
SHA51201862013d331209241812d0b4109db84fede0c8f245af2a718acd1e8925e01b2206ca8987ffb40b6bb2581b27cbcde71e77898c0eb9f1ba6a97e797e915a2239
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954