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Analysis
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max time kernel
131s -
max time network
134s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
12/09/2024, 00:03
Static task
static1
Behavioral task
behavioral1
Sample
e27f354691dca31faffbc035734347361f8b1b9e3d2c6e25e3fd856529d840c6.exe
Resource
win10v2004-20240802-en
General
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Target
e27f354691dca31faffbc035734347361f8b1b9e3d2c6e25e3fd856529d840c6.exe
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Size
422KB
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MD5
46e8b4c1c4e285139f664c679e0e9164
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SHA1
dd73a911c541043542d527f7f4e73d6c3a119d90
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SHA256
e27f354691dca31faffbc035734347361f8b1b9e3d2c6e25e3fd856529d840c6
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SHA512
a150957b0f97ac2c7f096c06aa946b9e396acaf7413dbb6dbe10920eda17321916242deb074607643bc68b1264791eac96cc461d6a07de7c3277b4ad4ea4922f
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SSDEEP
6144:qPG5SX+c9kcgeDDOruVqtNNGyaWC5bnqgVa1uQHP6B:D5qkmSruU/NuWaqgIPHi
Malware Config
Extracted
gcleaner
80.66.75.114
Signatures
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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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation e27f354691dca31faffbc035734347361f8b1b9e3d2c6e25e3fd856529d840c6.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 8 IoCs
pid pid_target Process procid_target 2972 964 WerFault.exe 89 1144 964 WerFault.exe 89 3288 964 WerFault.exe 89 4840 964 WerFault.exe 89 4900 964 WerFault.exe 89 3736 964 WerFault.exe 89 1576 964 WerFault.exe 89 3320 964 WerFault.exe 89 -
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 e27f354691dca31faffbc035734347361f8b1b9e3d2c6e25e3fd856529d840c6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe -
Kills process with taskkill 1 IoCs
pid Process 1548 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1548 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 964 wrote to memory of 4440 964 e27f354691dca31faffbc035734347361f8b1b9e3d2c6e25e3fd856529d840c6.exe 117 PID 964 wrote to memory of 4440 964 e27f354691dca31faffbc035734347361f8b1b9e3d2c6e25e3fd856529d840c6.exe 117 PID 964 wrote to memory of 4440 964 e27f354691dca31faffbc035734347361f8b1b9e3d2c6e25e3fd856529d840c6.exe 117 PID 4440 wrote to memory of 1548 4440 cmd.exe 120 PID 4440 wrote to memory of 1548 4440 cmd.exe 120 PID 4440 wrote to memory of 1548 4440 cmd.exe 120
Processes
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C:\Users\Admin\AppData\Local\Temp\e27f354691dca31faffbc035734347361f8b1b9e3d2c6e25e3fd856529d840c6.exe"C:\Users\Admin\AppData\Local\Temp\e27f354691dca31faffbc035734347361f8b1b9e3d2c6e25e3fd856529d840c6.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:964 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 7402⤵
- Program crash
PID:2972
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 7602⤵
- Program crash
PID:1144
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 7762⤵
- Program crash
PID:3288
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 7882⤵
- Program crash
PID:4840
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 9042⤵
- Program crash
PID:4900
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 9802⤵
- Program crash
PID:3736
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 13322⤵
- Program crash
PID:1576
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "e27f354691dca31faffbc035734347361f8b1b9e3d2c6e25e3fd856529d840c6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e27f354691dca31faffbc035734347361f8b1b9e3d2c6e25e3fd856529d840c6.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4440 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "e27f354691dca31faffbc035734347361f8b1b9e3d2c6e25e3fd856529d840c6.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1548
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 13562⤵
- Program crash
PID:3320
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 964 -ip 9641⤵PID:2868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 964 -ip 9641⤵PID:4432
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 964 -ip 9641⤵PID:4864
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 964 -ip 9641⤵PID:2288
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 964 -ip 9641⤵PID:772
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 964 -ip 9641⤵PID:3648
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4360,i,7447299413640964517,4240724842020506306,262144 --variations-seed-version --mojo-platform-channel-handle=4404 /prefetch:81⤵PID:4612
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 964 -ip 9641⤵PID:1332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 964 -ip 9641⤵PID:4548
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99