Analysis
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max time kernel
139s -
max time network
131s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
08/05/2024, 08:20
Static task
static1
Behavioral task
behavioral1
Sample
26e67fd264371701c3b7e0e2ada30980_NEIKI.exe
Resource
win7-20240221-en
General
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Target
26e67fd264371701c3b7e0e2ada30980_NEIKI.exe
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Size
416KB
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MD5
26e67fd264371701c3b7e0e2ada30980
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SHA1
b4e80344ab76faf4414982d79b7ad0307264412c
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SHA256
6ea0b55bd9ae6db1e9a74279e4e647f2d203fa43f05bf4a853882bf3d3779374
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SHA512
b587a1b860e3bf594621082b899e44912749654021269d0738def79d4247ac7778e4ed2bcd8fe49d9e0435b543c12b56b72816e1e5cf7be6292b8686259f009c
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SSDEEP
12288:t3qzdg7K81Yszs4M1+KsjHhuYWa3KtwrSAPt61:MmZYR8jHhuYF161
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/3256-137-0x0000023CC7AF0000-0x0000023CCB324000-memory.dmp family_zgrat_v1 behavioral2/memory/3256-142-0x0000023CE6A90000-0x0000023CE6B9A000-memory.dmp family_zgrat_v1 behavioral2/memory/3256-146-0x0000023CE5920000-0x0000023CE5944000-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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation 26e67fd264371701c3b7e0e2ada30980_NEIKI.exe Key value queried \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation u1k4.1.exe -
Executes dropped EXE 2 IoCs
pid Process 3812 u1k4.0.exe 640 u1k4.1.exe -
Loads dropped DLL 2 IoCs
pid Process 3812 u1k4.0.exe 3812 u1k4.0.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 364 2020 WerFault.exe 82 1376 3812 WerFault.exe 86 -
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 u1k4.1.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1k4.1.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI u1k4.1.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 u1k4.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u1k4.0.exe -
Suspicious behavior: EnumeratesProcesses 30 IoCs
pid Process 3812 u1k4.0.exe 3812 u1k4.0.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe 3812 u1k4.0.exe 3812 u1k4.0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3256 SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe -
Suspicious use of FindShellTrayWindow 7 IoCs
pid Process 640 u1k4.1.exe 640 u1k4.1.exe 640 u1k4.1.exe 640 u1k4.1.exe 640 u1k4.1.exe 640 u1k4.1.exe 640 u1k4.1.exe -
Suspicious use of SendNotifyMessage 7 IoCs
pid Process 640 u1k4.1.exe 640 u1k4.1.exe 640 u1k4.1.exe 640 u1k4.1.exe 640 u1k4.1.exe 640 u1k4.1.exe 640 u1k4.1.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2020 wrote to memory of 3812 2020 26e67fd264371701c3b7e0e2ada30980_NEIKI.exe 86 PID 2020 wrote to memory of 3812 2020 26e67fd264371701c3b7e0e2ada30980_NEIKI.exe 86 PID 2020 wrote to memory of 3812 2020 26e67fd264371701c3b7e0e2ada30980_NEIKI.exe 86 PID 2020 wrote to memory of 640 2020 26e67fd264371701c3b7e0e2ada30980_NEIKI.exe 92 PID 2020 wrote to memory of 640 2020 26e67fd264371701c3b7e0e2ada30980_NEIKI.exe 92 PID 2020 wrote to memory of 640 2020 26e67fd264371701c3b7e0e2ada30980_NEIKI.exe 92 PID 640 wrote to memory of 3256 640 u1k4.1.exe 100 PID 640 wrote to memory of 3256 640 u1k4.1.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\26e67fd264371701c3b7e0e2ada30980_NEIKI.exe"C:\Users\Admin\AppData\Local\Temp\26e67fd264371701c3b7e0e2ada30980_NEIKI.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2020 -
C:\Users\Admin\AppData\Local\Temp\u1k4.0.exe"C:\Users\Admin\AppData\Local\Temp\u1k4.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3812 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3812 -s 20363⤵
- Program crash
PID:1376
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C:\Users\Admin\AppData\Local\Temp\u1k4.1.exe"C:\Users\Admin\AppData\Local\Temp\u1k4.1.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:640 -
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:3256
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2020 -s 15082⤵
- Program crash
PID:364
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2020 -ip 20201⤵PID:4772
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3812 -ip 38121⤵PID:3396
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
MD5cec5812095910f748418d90fa4768e3f
SHA1bc1186966dc497deed6c24074f41c80c0c250917
SHA256bd50e1780e568e31c271c5952085567478d590191d11150b8b07a59b3b214111
SHA51254708540bbfb900257d1f30ae4d4110d086c7e77e0f2ebfd737625df79dff752ac7dbc9a50ed43a73caaf6863a7a0f9805d3b8397c9bcda443ff614bbe385167
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Filesize
226KB
MD56891c527d4d65692716c149981e770ff
SHA1ac4ba0be44795c437f860d710bdd0e3157d17caf
SHA256b37a558c37740094e51a1b04fa05280e3f28b2592f5881d96ae5f5a05e2c5902
SHA5121195f321c53df745aec5350e606293507f89e8f3dce3b1c58244f6a6eb9de5cdacdc222960663f7b3e03be69804bbbf8905764c2d1a21dc745e21edba9112e15
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Filesize
4.6MB
MD5397926927bca55be4a77839b1c44de6e
SHA1e10f3434ef3021c399dbba047832f02b3c898dbd
SHA2564f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7
SHA512cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954