Analysis
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max time kernel
93s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05-09-2024 19:18
Static task
static1
Behavioral task
behavioral1
Sample
f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe
Resource
win10v2004-20240802-en
General
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Target
f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe
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Size
400KB
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MD5
20aee64eb5f74af09313e006b66c44ae
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SHA1
e85beab1a4fc1b30d8b3bf71b3bcbdfc59e14844
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SHA256
f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597
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SHA512
247884660a099486101d9d2df0582b40f516c881c4bc979a477f45bba26171ae5288e0aeec30d5d4379640106245d08615b9e2abbdcdf1a00623a78a852b5898
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SSDEEP
6144:MCU9HVfVe502sJQ62mp2XDHoB0ZakUgNx3COjao7MQRw:MCU9HVfk507Jf2mp2TIB0ZZ3CKr7
Malware Config
Extracted
gcleaner
80.66.75.114
45.91.200.135
Signatures
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 9 IoCs
pid pid_target Process procid_target 2012 1184 WerFault.exe 82 4732 1184 WerFault.exe 82 4540 1184 WerFault.exe 82 1856 1184 WerFault.exe 82 4720 1184 WerFault.exe 82 5060 1184 WerFault.exe 82 3632 1184 WerFault.exe 82 1404 1184 WerFault.exe 82 1900 1184 WerFault.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 3 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe -
Kills process with taskkill 1 IoCs
pid Process 448 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 448 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1184 wrote to memory of 544 1184 f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe 112 PID 1184 wrote to memory of 544 1184 f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe 112 PID 1184 wrote to memory of 544 1184 f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe 112 PID 544 wrote to memory of 448 544 cmd.exe 116 PID 544 wrote to memory of 448 544 cmd.exe 116 PID 544 wrote to memory of 448 544 cmd.exe 116
Processes
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C:\Users\Admin\AppData\Local\Temp\f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe"C:\Users\Admin\AppData\Local\Temp\f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1184 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 4442⤵
- Program crash
PID:2012
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 7642⤵
- Program crash
PID:4732
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 7722⤵
- Program crash
PID:4540
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 7962⤵
- Program crash
PID:1856
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 8042⤵
- Program crash
PID:4720
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 9282⤵
- Program crash
PID:5060
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 9282⤵
- Program crash
PID:3632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 16882⤵
- Program crash
PID:1404
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:544 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 5082⤵
- Program crash
PID:1900
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1184 -ip 11841⤵PID:1784
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1184 -ip 11841⤵PID:3044
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1184 -ip 11841⤵PID:4392
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 1184 -ip 11841⤵PID:4992
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1184 -ip 11841⤵PID:1560
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1184 -ip 11841⤵PID:4008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1184 -ip 11841⤵PID:2476
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 1184 -ip 11841⤵PID:3100
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1184 -ip 11841⤵PID:1492
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99