Analysis
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max time kernel
91s -
max time network
94s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 10 IoCs
pid pid_target Process procid_target 4660 1212 WerFault.exe 79 2604 1212 WerFault.exe 79 4876 1212 WerFault.exe 79 1996 1212 WerFault.exe 79 2464 1212 WerFault.exe 79 1636 1212 WerFault.exe 79 3944 1212 WerFault.exe 79 2408 1212 WerFault.exe 79 2276 1212 WerFault.exe 79 4944 1212 WerFault.exe 79 -
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 2532 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2532 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1212 wrote to memory of 1788 1212 f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe 100 PID 1212 wrote to memory of 1788 1212 f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe 100 PID 1212 wrote to memory of 1788 1212 f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe 100 PID 1788 wrote to memory of 2532 1788 cmd.exe 104 PID 1788 wrote to memory of 2532 1788 cmd.exe 104 PID 1788 wrote to memory of 2532 1788 cmd.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe"C:\Users\Admin\AppData\Local\Temp\f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1212 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 4762⤵
- Program crash
PID:4660
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 7962⤵
- Program crash
PID:2604
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 8162⤵
- Program crash
PID:4876
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 8562⤵
- Program crash
PID:1996
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 8922⤵
- Program crash
PID:2464
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 9762⤵
- Program crash
PID:1636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 10882⤵
- Program crash
PID:3944
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 13802⤵
- Program crash
PID:2408
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 17122⤵
- Program crash
PID:2276
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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:1788 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "f2c40f2a1a0656d3666a0443486cf0452311f30243fd48b1b489448f158c2597.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2532
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1212 -s 4882⤵
- Program crash
PID:4944
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1212 -ip 12121⤵PID:3980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1212 -ip 12121⤵PID:2008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1212 -ip 12121⤵PID:1280
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1212 -ip 12121⤵PID:3036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1212 -ip 12121⤵PID:2100
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1212 -ip 12121⤵PID:1200
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1212 -ip 12121⤵PID:2252
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1212 -ip 12121⤵PID:2856
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1212 -ip 12121⤵PID:696
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1212 -ip 12121⤵PID:1048
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99