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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
24/09/2024, 16:01
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240708-en
General
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Target
file.exe
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Size
4KB
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MD5
ddc9229a87f36e9d555ddae1c8d4ac09
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SHA1
e902d5ab723fa81913dd73999da9778781647c28
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SHA256
efec912465df5c55b4764e0277aa4c4c549e612b4f3c5abf77aaec647729f78a
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SHA512
08b5ad94168bf90bae2f2917fde1b2a36650845fdcb23881d76ddddae73359fbd774c92083ba03a84083c48d4922afb339c637d49dfa67fbf9eb95b3bf86baa6
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SSDEEP
48:66sn7l2zMdoHSe0rHNMMb9Y7VxCioXsTfxZsFtow/ljhFvCFipfbNtm:PYqX9VxCJ8U/3F5zNt
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 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation tmp80D8.tmp.exe -
Executes dropped EXE 1 IoCs
pid Process 1768 tmp80D8.tmp.exe -
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 3564 1768 WerFault.exe 82 1252 1768 WerFault.exe 82 4632 1768 WerFault.exe 82 2332 1768 WerFault.exe 82 3332 1768 WerFault.exe 82 2296 1768 WerFault.exe 82 3624 1768 WerFault.exe 82 3736 1768 WerFault.exe 82 448 1768 WerFault.exe 82 1228 1768 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 tmp80D8.tmp.exe -
Kills process with taskkill 1 IoCs
pid Process 2808 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1180 file.exe Token: SeDebugPrivilege 2808 taskkill.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1180 wrote to memory of 1768 1180 file.exe 82 PID 1180 wrote to memory of 1768 1180 file.exe 82 PID 1180 wrote to memory of 1768 1180 file.exe 82 PID 1768 wrote to memory of 4508 1768 tmp80D8.tmp.exe 111 PID 1768 wrote to memory of 4508 1768 tmp80D8.tmp.exe 111 PID 1768 wrote to memory of 4508 1768 tmp80D8.tmp.exe 111 PID 4508 wrote to memory of 2808 4508 cmd.exe 115 PID 4508 wrote to memory of 2808 4508 cmd.exe 115 PID 4508 wrote to memory of 2808 4508 cmd.exe 115
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1180 -
C:\Users\Admin\AppData\Local\Temp\tmp80D8.tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp80D8.tmp.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1768 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 4523⤵
- Program crash
PID:3564
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 7643⤵
- Program crash
PID:1252
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 8043⤵
- Program crash
PID:4632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 8243⤵
- Program crash
PID:2332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 8683⤵
- Program crash
PID:3332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 9283⤵
- Program crash
PID:2296
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 9323⤵
- Program crash
PID:3624
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 10443⤵
- Program crash
PID:3736
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 16243⤵
- Program crash
PID:448
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "tmp80D8.tmp.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\tmp80D8.tmp.exe" & exit3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4508 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "tmp80D8.tmp.exe" /f4⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2808
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 4923⤵
- Program crash
PID:1228
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1768 -ip 17681⤵PID:4380
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1768 -ip 17681⤵PID:1864
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1768 -ip 17681⤵PID:1288
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1768 -ip 17681⤵PID:4140
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1768 -ip 17681⤵PID:1656
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1768 -ip 17681⤵PID:2692
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1768 -ip 17681⤵PID:4224
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1768 -ip 17681⤵PID:2108
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1768 -ip 17681⤵PID:5104
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1768 -ip 17681⤵PID:4524
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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Filesize
334KB
MD5bdf38f58675cd77401c679df69c4a3e8
SHA1298dac0330058235adec1bd5dd80c59f99c688af
SHA25608dc5b0fb0c2646f546f0af389c3c9934995f1cf6819a05c171db3eca242554d
SHA512fa056f5784c76252db3edff2f0ba060b2ac42fbb2c73fedaa076ba735b2f19c14b7feff69f6794f0108c98fe91764e4d45110459e87df68a072a78f212a363c1