Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
07-05-2024 01:30
Static task
static1
Behavioral task
behavioral1
Sample
cbc9661ecb6f1b17463c053bc68e97a58bdebff65d6238807d484afc929cd5fa.exe
Resource
win10v2004-20240419-en
General
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Target
cbc9661ecb6f1b17463c053bc68e97a58bdebff65d6238807d484afc929cd5fa.exe
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Size
372KB
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MD5
0580656d6ac8d7703b362c99ccae7f67
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SHA1
4435dd513f69ce448d6a26526f9c18f27fbed1f8
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SHA256
cbc9661ecb6f1b17463c053bc68e97a58bdebff65d6238807d484afc929cd5fa
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SHA512
544d7183076e5127d8f6dd3d2f43d8c52bc73cf7210db84e3e2a8d123a5d2a62fbf7414a6b2c206847538170b37fda9221753007532e45df912d689c6f10db6d
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SSDEEP
6144:pl+08UGGfdzF7qxvwcB793ituNKkzXwGZTapa:p808UGgdtqrhauN3Xwwapa
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 behavioral1/memory/3508-136-0x00000251F1020000-0x00000251F4854000-memory.dmp family_zgrat_v1 behavioral1/memory/3508-137-0x00000251F7DA0000-0x00000251F7EAA000-memory.dmp family_zgrat_v1 behavioral1/memory/3508-141-0x00000251F7FD0000-0x00000251F7FF4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation cbc9661ecb6f1b17463c053bc68e97a58bdebff65d6238807d484afc929cd5fa.exe Key value queried \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation u2z0.1.exe -
Executes dropped EXE 2 IoCs
pid Process 4916 u2z0.0.exe 4040 u2z0.1.exe -
Loads dropped DLL 2 IoCs
pid Process 4916 u2z0.0.exe 4916 u2z0.0.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 3596 3852 WerFault.exe 83 588 4916 WerFault.exe 87 -
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 u2z0.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2z0.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2z0.1.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 u2z0.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2z0.0.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 4916 u2z0.0.exe 4916 u2z0.0.exe 4916 u2z0.0.exe 4916 u2z0.0.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3508 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 4040 u2z0.1.exe 4040 u2z0.1.exe 4040 u2z0.1.exe 4040 u2z0.1.exe 4040 u2z0.1.exe 4040 u2z0.1.exe 4040 u2z0.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 4040 u2z0.1.exe 4040 u2z0.1.exe 4040 u2z0.1.exe 4040 u2z0.1.exe 4040 u2z0.1.exe 4040 u2z0.1.exe 4040 u2z0.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3852 wrote to memory of 4916 3852 cbc9661ecb6f1b17463c053bc68e97a58bdebff65d6238807d484afc929cd5fa.exe 87 PID 3852 wrote to memory of 4916 3852 cbc9661ecb6f1b17463c053bc68e97a58bdebff65d6238807d484afc929cd5fa.exe 87 PID 3852 wrote to memory of 4916 3852 cbc9661ecb6f1b17463c053bc68e97a58bdebff65d6238807d484afc929cd5fa.exe 87 PID 3852 wrote to memory of 4040 3852 cbc9661ecb6f1b17463c053bc68e97a58bdebff65d6238807d484afc929cd5fa.exe 92 PID 3852 wrote to memory of 4040 3852 cbc9661ecb6f1b17463c053bc68e97a58bdebff65d6238807d484afc929cd5fa.exe 92 PID 3852 wrote to memory of 4040 3852 cbc9661ecb6f1b17463c053bc68e97a58bdebff65d6238807d484afc929cd5fa.exe 92 PID 4040 wrote to memory of 3508 4040 u2z0.1.exe 104 PID 4040 wrote to memory of 3508 4040 u2z0.1.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\cbc9661ecb6f1b17463c053bc68e97a58bdebff65d6238807d484afc929cd5fa.exe"C:\Users\Admin\AppData\Local\Temp\cbc9661ecb6f1b17463c053bc68e97a58bdebff65d6238807d484afc929cd5fa.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3852 -
C:\Users\Admin\AppData\Local\Temp\u2z0.0.exe"C:\Users\Admin\AppData\Local\Temp\u2z0.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4916 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4916 -s 23523⤵
- Program crash
PID:588
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C:\Users\Admin\AppData\Local\Temp\u2z0.1.exe"C:\Users\Admin\AppData\Local\Temp\u2z0.1.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:4040 -
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:3508
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3852 -s 16082⤵
- Program crash
PID:3596
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3852 -ip 38521⤵PID:548
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4916 -ip 49161⤵PID:4588
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
230KB
MD52c1f5406f854370921a90cc0f3f11145
SHA16969f52309b66f6a09f08c0e67db4956df150346
SHA25679678293aad51fc96c947e496351048672ece528457daab0cfc93b35c16d1ab9
SHA5126104eaa7a60a29b5962b3cff8cde7b7c237ced82f11a7c581df30725d1d5aec187b30ebbe7d6d61f45964cf4f70ea605c9b20c504e5dddc2451f440ecb50e2ac
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954