Analysis
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max time kernel
146s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
05-05-2024 21:46
Static task
static1
Behavioral task
behavioral1
Sample
ff3351d302b3dee394fa17d8e7da32ea4933280cf9e3231c8279e00f19379c66.exe
Resource
win10v2004-20240419-en
General
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Target
ff3351d302b3dee394fa17d8e7da32ea4933280cf9e3231c8279e00f19379c66.exe
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Size
417KB
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MD5
d3df6d7b737c64e25cd05600c78a13fc
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SHA1
9704ba0b5b12932ebca3ef1c2be79ddc359ffb9a
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SHA256
ff3351d302b3dee394fa17d8e7da32ea4933280cf9e3231c8279e00f19379c66
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SHA512
5ac887e8fe43bc5e90863fa3c83c0531f8a6a646d98858f2cf29491d63cc3271cc92918f25cda3bf7e0080d1f66901f761ee5dacbac22af2f63580265c35064b
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SSDEEP
6144:GlYyAMIn4ySxIRsKZ5deRy4Y/mzUemFz1ACcWuah07P/dhW90P:GlYyApn4hxIRX5deOmzUFBAC5eP/SaP
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/2556-107-0x000001F792600000-0x000001F795EF8000-memory.dmp family_zgrat_v1 behavioral1/memory/2556-132-0x000001F7B0770000-0x000001F7B0880000-memory.dmp family_zgrat_v1 behavioral1/memory/2556-140-0x000001F7B05C0000-0x000001F7B05E4000-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-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation ff3351d302b3dee394fa17d8e7da32ea4933280cf9e3231c8279e00f19379c66.exe Key value queried \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation u1cg.1.exe -
Executes dropped EXE 2 IoCs
pid Process 3720 u1cg.0.exe 1804 u1cg.1.exe -
Loads dropped DLL 2 IoCs
pid Process 3720 u1cg.0.exe 3720 u1cg.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 4532 1744 WerFault.exe 84 1256 3720 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 enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1cg.1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1cg.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1cg.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 u1cg.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u1cg.0.exe -
Suspicious behavior: EnumeratesProcesses 28 IoCs
pid Process 3720 u1cg.0.exe 3720 u1cg.0.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3720 u1cg.0.exe 3720 u1cg.0.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2556 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 1804 u1cg.1.exe 1804 u1cg.1.exe 1804 u1cg.1.exe 1804 u1cg.1.exe 1804 u1cg.1.exe 1804 u1cg.1.exe 1804 u1cg.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 1804 u1cg.1.exe 1804 u1cg.1.exe 1804 u1cg.1.exe 1804 u1cg.1.exe 1804 u1cg.1.exe 1804 u1cg.1.exe 1804 u1cg.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1744 wrote to memory of 3720 1744 ff3351d302b3dee394fa17d8e7da32ea4933280cf9e3231c8279e00f19379c66.exe 97 PID 1744 wrote to memory of 3720 1744 ff3351d302b3dee394fa17d8e7da32ea4933280cf9e3231c8279e00f19379c66.exe 97 PID 1744 wrote to memory of 3720 1744 ff3351d302b3dee394fa17d8e7da32ea4933280cf9e3231c8279e00f19379c66.exe 97 PID 1744 wrote to memory of 1804 1744 ff3351d302b3dee394fa17d8e7da32ea4933280cf9e3231c8279e00f19379c66.exe 101 PID 1744 wrote to memory of 1804 1744 ff3351d302b3dee394fa17d8e7da32ea4933280cf9e3231c8279e00f19379c66.exe 101 PID 1744 wrote to memory of 1804 1744 ff3351d302b3dee394fa17d8e7da32ea4933280cf9e3231c8279e00f19379c66.exe 101 PID 1804 wrote to memory of 2556 1804 u1cg.1.exe 108 PID 1804 wrote to memory of 2556 1804 u1cg.1.exe 108
Processes
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C:\Users\Admin\AppData\Local\Temp\ff3351d302b3dee394fa17d8e7da32ea4933280cf9e3231c8279e00f19379c66.exe"C:\Users\Admin\AppData\Local\Temp\ff3351d302b3dee394fa17d8e7da32ea4933280cf9e3231c8279e00f19379c66.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1744 -
C:\Users\Admin\AppData\Local\Temp\u1cg.0.exe"C:\Users\Admin\AppData\Local\Temp\u1cg.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3720 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3720 -s 20283⤵
- Program crash
PID:1256
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C:\Users\Admin\AppData\Local\Temp\u1cg.1.exe"C:\Users\Admin\AppData\Local\Temp\u1cg.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:1804 -
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:2556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 15202⤵
- Program crash
PID:4532
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1744 -ip 17441⤵PID:2752
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3720 -ip 37201⤵PID:4872
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
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
MD55342a56bb8608758b32f1a866a8bea81
SHA1dafda8fcd93614d0b4a8dec6c7a15239e191da00
SHA256b809f1367eecaf970cee49e9edc301367869922fd976db18d2c50512be502fcb
SHA512cf6b495d19935a17b63443c3a7331f7f9ea366a8737d37e49745b792664c94874eacfcea56b67e83c1f5515da2e9211405bfea250f527e7c7e02613f85b0656f
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Filesize
275KB
MD5741f4fea03733d88a053a34f5f99f85f
SHA1e7bece4b05fcd0df660ba0a043c3bd57dde078a3
SHA256d1b502639e81960fb96040c544be3f66fa19f0a7ff4cfff874f7375ab851f6bc
SHA512371070b856d0377c8d09eef20166376b9ac6bdd58b976882ed81e2d84609fa54f896e896b8dfe7434eba399af0a8a32d6290523e466d55eb2651517049dcc298
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954