Analysis
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max time kernel
94s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-12-2024 18:40
Static task
static1
Behavioral task
behavioral1
Sample
jetssofftr543.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
jetssofftr543.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
mnfvgv.exe
Resource
win7-20241023-en
Behavioral task
behavioral4
Sample
mnfvgv.exe
Resource
win10v2004-20241007-en
General
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Target
jetssofftr543.exe
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Size
221KB
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MD5
c7c81ed3f21ca0f92316446946656c39
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SHA1
d1a3c9c4a1ac579184967f604193f8c1f1c41693
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SHA256
aad5593f8b48c2e45fb2344146ac1a16e79addf9fe859cf74c005b8c0b5bc452
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SHA512
38b49646496bdaed201b855b0fe6fa5783102a780ff8a55bfa97a37cf53ccc9ab6cd36a234ae6bab1e488c741bc42879fe96a32aff3ed7906653d9e78ae25121
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SSDEEP
6144:MEa0NUspTCne0ehbO4+MfVzDPdTG3xVzu5W+3uf:XUsp2epf+mT6VzaK
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1468 mnfvgv.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 1428 1468 WerFault.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mnfvgv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jetssofftr543.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1676 wrote to memory of 1468 1676 jetssofftr543.exe 83 PID 1676 wrote to memory of 1468 1676 jetssofftr543.exe 83 PID 1676 wrote to memory of 1468 1676 jetssofftr543.exe 83 PID 1468 wrote to memory of 4612 1468 mnfvgv.exe 84 PID 1468 wrote to memory of 4612 1468 mnfvgv.exe 84 PID 1468 wrote to memory of 4612 1468 mnfvgv.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\jetssofftr543.exe"C:\Users\Admin\AppData\Local\Temp\jetssofftr543.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Users\Admin\AppData\Local\Temp\mnfvgv.exe"C:\Users\Admin\AppData\Local\Temp\mnfvgv.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1468 -
C:\Users\Admin\AppData\Local\Temp\mnfvgv.exe"C:\Users\Admin\AppData\Local\Temp\mnfvgv.exe"3⤵PID:4612
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 6243⤵
- Program crash
PID:1428
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1468 -ip 14681⤵PID:1032
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
5KB
MD53d4499d3223b637035a9ea797bc04a9b
SHA1979e0f0f542f473406c121187ba0d2833da5f3ce
SHA256e8ac6c1d309e48d85d535d7b14cd44cfa2228fb5b5db89365320daa112fcb799
SHA512581b2daf1591afb5125ff4bb79159ac22870a40a13927bd6f0cd3dac6753b3a3227003bead69afdb0fa59cfabc6dfc051f287d58fca87ccbd07c7054a041fbba
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Filesize
5KB
MD5137b470cf175ff012ce04ab666292bb9
SHA1a209a552395357ad7eed4d1fd11e79af8de125a0
SHA2565fb54480c1a5ea91ed623fdc7301c8d09c8d7c8dd55de4a4b9b5357586760f3e
SHA5120852a552f77146847d39a24e8dd30f78ffa210d07942941478133cc5ddb98544a12b15c9d25f85d78859327af4dcc7204b8955c620583a90b26b87d0db037b12
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Filesize
185KB
MD58b391f4eea0c400d8a2dab4b4d7539b3
SHA18a5efe608e38f6dd2dda851d9bc442a0150112af
SHA2563f4063d573ecd85272fc92547af4e7d8406d192f4e67bc62c846172e9e4ee14b
SHA512f9e3aa22e625dadcfc6a45e14568a638c42bfc2a9e1685c2ad5281f629594c73d12618e1c86c2cccfd99d4571a9bfa2471051f6de1fe998f97d8d7d5b64c83e6