Analysis
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max time kernel
137s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
10-04-2024 15:03
Static task
static1
Behavioral task
behavioral1
Sample
255321eb39794d7a32f3e1b2a1387061a2d138b503a2cf6827cf5766d025f7f9.exe
Resource
win10v2004-20240226-en
General
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Target
255321eb39794d7a32f3e1b2a1387061a2d138b503a2cf6827cf5766d025f7f9.exe
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Size
477KB
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MD5
ddcefbf71a1a9fb9801dceb4d6722c39
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SHA1
0f8b5785a5a445848271d5f03971b96670f74931
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SHA256
255321eb39794d7a32f3e1b2a1387061a2d138b503a2cf6827cf5766d025f7f9
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SHA512
2b43db79e7c350f780ed6ba2e216038cf988d9f7ace1c4a781625b770c61300390902054e0ae9d2ffa999c3b2eafd381d75c8a0185f2cfc9efc60be8dfc72c16
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SSDEEP
6144:sCkgUx3zMyWYGVN27RObuLiNg8pDzKXN9tboh2pFoBmZMkTLc1P2FCLTv:Sg43zcZVNW0xwd9tbohWFoB1d/nv
Malware Config
Extracted
stealc
http://185.172.128.209
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url_path
/3cd2b41cbde8fc9c.php
Signatures
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Detect ZGRat V1 3 IoCs
resource yara_rule behavioral1/memory/3316-148-0x00000202C9180000-0x00000202CCA78000-memory.dmp family_zgrat_v1 behavioral1/memory/3316-153-0x00000202E8250000-0x00000202E8360000-memory.dmp family_zgrat_v1 behavioral1/memory/3316-162-0x00000202E6FD0000-0x00000202E6FF4000-memory.dmp family_zgrat_v1 -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 4 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation u1zo.0.exe Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation EHIDAKECFI.exe Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation 255321eb39794d7a32f3e1b2a1387061a2d138b503a2cf6827cf5766d025f7f9.exe Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation u1zo.1.exe -
Executes dropped EXE 3 IoCs
pid Process 3408 u1zo.0.exe 2468 u1zo.1.exe 684 EHIDAKECFI.exe -
Loads dropped DLL 2 IoCs
pid Process 3408 u1zo.0.exe 3408 u1zo.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 4968 2580 WerFault.exe 84 3808 3408 WerFault.exe 88 -
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 u1zo.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1zo.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1zo.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 u1zo.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u1zo.0.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1976 PING.EXE -
Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 3408 u1zo.0.exe 3408 u1zo.0.exe 3408 u1zo.0.exe 3408 u1zo.0.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3316 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 2468 u1zo.1.exe 2468 u1zo.1.exe 2468 u1zo.1.exe 2468 u1zo.1.exe 2468 u1zo.1.exe 2468 u1zo.1.exe 2468 u1zo.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 2468 u1zo.1.exe 2468 u1zo.1.exe 2468 u1zo.1.exe 2468 u1zo.1.exe 2468 u1zo.1.exe 2468 u1zo.1.exe 2468 u1zo.1.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2580 wrote to memory of 3408 2580 255321eb39794d7a32f3e1b2a1387061a2d138b503a2cf6827cf5766d025f7f9.exe 88 PID 2580 wrote to memory of 3408 2580 255321eb39794d7a32f3e1b2a1387061a2d138b503a2cf6827cf5766d025f7f9.exe 88 PID 2580 wrote to memory of 3408 2580 255321eb39794d7a32f3e1b2a1387061a2d138b503a2cf6827cf5766d025f7f9.exe 88 PID 2580 wrote to memory of 2468 2580 255321eb39794d7a32f3e1b2a1387061a2d138b503a2cf6827cf5766d025f7f9.exe 95 PID 2580 wrote to memory of 2468 2580 255321eb39794d7a32f3e1b2a1387061a2d138b503a2cf6827cf5766d025f7f9.exe 95 PID 2580 wrote to memory of 2468 2580 255321eb39794d7a32f3e1b2a1387061a2d138b503a2cf6827cf5766d025f7f9.exe 95 PID 2468 wrote to memory of 3316 2468 u1zo.1.exe 102 PID 2468 wrote to memory of 3316 2468 u1zo.1.exe 102 PID 3408 wrote to memory of 4408 3408 u1zo.0.exe 103 PID 3408 wrote to memory of 4408 3408 u1zo.0.exe 103 PID 3408 wrote to memory of 4408 3408 u1zo.0.exe 103 PID 4408 wrote to memory of 684 4408 cmd.exe 107 PID 4408 wrote to memory of 684 4408 cmd.exe 107 PID 4408 wrote to memory of 684 4408 cmd.exe 107 PID 684 wrote to memory of 4112 684 EHIDAKECFI.exe 109 PID 684 wrote to memory of 4112 684 EHIDAKECFI.exe 109 PID 684 wrote to memory of 4112 684 EHIDAKECFI.exe 109 PID 4112 wrote to memory of 1976 4112 cmd.exe 111 PID 4112 wrote to memory of 1976 4112 cmd.exe 111 PID 4112 wrote to memory of 1976 4112 cmd.exe 111
Processes
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C:\Users\Admin\AppData\Local\Temp\255321eb39794d7a32f3e1b2a1387061a2d138b503a2cf6827cf5766d025f7f9.exe"C:\Users\Admin\AppData\Local\Temp\255321eb39794d7a32f3e1b2a1387061a2d138b503a2cf6827cf5766d025f7f9.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2580 -
C:\Users\Admin\AppData\Local\Temp\u1zo.0.exe"C:\Users\Admin\AppData\Local\Temp\u1zo.0.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3408 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EHIDAKECFI.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:4408 -
C:\Users\Admin\AppData\Local\Temp\EHIDAKECFI.exe"C:\Users\Admin\AppData\Local\Temp\EHIDAKECFI.exe"4⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:684 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\EHIDAKECFI.exe5⤵
- Suspicious use of WriteProcessMemory
PID:4112 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:1976
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 24603⤵
- Program crash
PID:3808
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C:\Users\Admin\AppData\Local\Temp\u1zo.1.exe"C:\Users\Admin\AppData\Local\Temp\u1zo.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:2468 -
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:3316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2580 -s 11402⤵
- Program crash
PID:4968
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2580 -ip 25801⤵PID:4436
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3408 -ip 34081⤵PID:3244
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
106KB
MD5fe380780b5c35bd6d54541791151c2be
SHA17fe3a583cf91474c733f85cebf3c857682e269e1
SHA256b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53
SHA512ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c
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Filesize
336KB
MD54cbe410c5dab44f371b626de07063631
SHA12650e8871c359c97edd4ea6c5ed39f77441c4607
SHA256f8040b6281cd24e17d8e63f3432f9f7bcdac465e3efd0877f2080ea648551f19
SHA512bf5cedfb7927b4a41d7b88edd2f4b6957fdec85e18448ee3159cdaf977e9d03397c29f0ca4001ca85aecf8c18e6be113a4d8c855bd9796f3a0303ca148b36749
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954