Analysis
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max time kernel
137s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
06-05-2024 01:20
Static task
static1
Behavioral task
behavioral1
Sample
97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe
Resource
win7-20240221-en
General
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Target
97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe
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Size
416KB
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MD5
3517d1ac47167fcc3afbdb4a21a9fcb9
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SHA1
5633d62cd097e5a15b12d98dff9939a418895edc
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SHA256
97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e
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SHA512
295cae5dfdbefd058f27ce0a52cec6051898db7636940e4a00e06b74503f4d7f2953c0893d5ad960ca005581f9d170df6fba6fd112f4c1e1a626b4910f42c3d3
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SSDEEP
6144:xNDSLZK+bH6tSYLDidexnCihNJnrWXy1JFIHbP3ShohW90K:LSLZKK/dCCibRz4PiLaK
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/3664-62-0x0000023A85A40000-0x0000023A89338000-memory.dmp family_zgrat_v1 behavioral2/memory/3664-63-0x0000023AA4B10000-0x0000023AA4C20000-memory.dmp family_zgrat_v1 behavioral2/memory/3664-67-0x0000023A8B000000-0x0000023A8B024000-memory.dmp family_zgrat_v1 -
Detect binaries embedding considerable number of MFA browser extension IDs. 2 IoCs
resource yara_rule behavioral2/memory/1476-168-0x0000000000400000-0x0000000002B02000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/1476-169-0x0000000000400000-0x0000000002B02000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs -
Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 2 IoCs
resource yara_rule behavioral2/memory/1476-168-0x0000000000400000-0x0000000002B02000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/1476-169-0x0000000000400000-0x0000000002B02000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
resource yara_rule behavioral2/memory/1476-168-0x0000000000400000-0x0000000002B02000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/1476-169-0x0000000000400000-0x0000000002B02000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects encrypted or obfuscated .NET executables 1 IoCs
resource yara_rule behavioral2/memory/3664-62-0x0000023A85A40000-0x0000023A89338000-memory.dmp INDICATOR_EXE_DotNET_Encrypted -
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 97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe Key value queried \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation u2es.1.exe -
Executes dropped EXE 2 IoCs
pid Process 1476 u2es.0.exe 2752 u2es.1.exe -
Loads dropped DLL 2 IoCs
pid Process 1476 u2es.0.exe 1476 u2es.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 3728 3124 WerFault.exe 84 712 1476 WerFault.exe 97 -
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 u2es.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2es.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u2es.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 u2es.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u2es.0.exe -
Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 1476 u2es.0.exe 1476 u2es.0.exe 1476 u2es.0.exe 1476 u2es.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3664 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2752 u2es.1.exe 2752 u2es.1.exe 2752 u2es.1.exe 2752 u2es.1.exe 2752 u2es.1.exe 2752 u2es.1.exe 2752 u2es.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2752 u2es.1.exe 2752 u2es.1.exe 2752 u2es.1.exe 2752 u2es.1.exe 2752 u2es.1.exe 2752 u2es.1.exe 2752 u2es.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3124 wrote to memory of 1476 3124 97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe 97 PID 3124 wrote to memory of 1476 3124 97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe 97 PID 3124 wrote to memory of 1476 3124 97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe 97 PID 3124 wrote to memory of 2752 3124 97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe 99 PID 3124 wrote to memory of 2752 3124 97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe 99 PID 3124 wrote to memory of 2752 3124 97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe 99 PID 2752 wrote to memory of 3664 2752 u2es.1.exe 104 PID 2752 wrote to memory of 3664 2752 u2es.1.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe"C:\Users\Admin\AppData\Local\Temp\97d31daa731806026e50a454986e0b1df51ec32176d930e9bc1c16efffaec74e.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3124 -
C:\Users\Admin\AppData\Local\Temp\u2es.0.exe"C:\Users\Admin\AppData\Local\Temp\u2es.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1476 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 23963⤵
- Program crash
PID:712
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C:\Users\Admin\AppData\Local\Temp\u2es.1.exe"C:\Users\Admin\AppData\Local\Temp\u2es.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:2752 -
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:3664
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3124 -s 11522⤵
- Program crash
PID:3728
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3124 -ip 31241⤵PID:3980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1476 -ip 14761⤵PID:2068
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
MD54e2919a607d33f48194b4315a6dc2b50
SHA10d26d11a6e587af4d9548257e43d34b7903ebfed
SHA2567d96d3cebbc153c4548dfdcb27c01b219d09e92f4bbd120846120b2ba456fc0a
SHA512aaa28ea5a11953c5645ae72772a57ccbe9876aabc5e02dcdfe86e3e036fa6ec9cc7d90dfc9b65aff5e728959194850b1bcd05e2182f0b9e2df8e9e2618258c7e
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Filesize
274KB
MD5fae96a12ae35c2243801206ca089798d
SHA152b8769b202701900f03c386623232ee23fb90d3
SHA2561b32e30cfeea17e7f29f8c907c42cafc3a18da4306007b5c5bc38cb6bb4f1750
SHA5127a3d2284145b98b8db779e1a941f48125fd3fee00dc147fb6a2c0ecf0840b9c52973930871182e402726878de2bfb0dd7e4d64396e4280700511e2ac81aa7abe
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954