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Analysis
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max time kernel
93s -
max time network
138s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
07/09/2024, 09:04
Static task
static1
Behavioral task
behavioral1
Sample
cfe279a9e9ebf9b9a0bb68a1261aa94d8e8f80e18204d647b0ed853845e1428b.exe
Resource
win10v2004-20240802-en
General
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Target
cfe279a9e9ebf9b9a0bb68a1261aa94d8e8f80e18204d647b0ed853845e1428b.exe
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Size
324KB
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MD5
de39d38f871167ed066a9d6d3181e2c8
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SHA1
c96c26fa89852023fc2d7b39e85c48898444cb90
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SHA256
cfe279a9e9ebf9b9a0bb68a1261aa94d8e8f80e18204d647b0ed853845e1428b
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SHA512
b7c6e893b2c730efd513cbf37dd2a00f87f67d8001f75ba423f992fb0c2e47f93e9ad35fc677ed1a35f60dffd54923480d9ddbe63ad19c7323bf2fe9cfdad5e1
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SSDEEP
6144:rCou1DxtV+m2SpmzpOIfyUz/5KmQ4KfhrShNw0pAY/M0z0Vdh1tQ:S19tVd2SapOIfr/ol4Ahryw0pOVdz
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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation cfe279a9e9ebf9b9a0bb68a1261aa94d8e8f80e18204d647b0ed853845e1428b.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 1492 3500 WerFault.exe 82 1212 3500 WerFault.exe 82 3356 3500 WerFault.exe 82 440 3500 WerFault.exe 82 2068 3500 WerFault.exe 82 208 3500 WerFault.exe 82 4916 3500 WerFault.exe 82 3932 3500 WerFault.exe 82 3704 3500 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 cfe279a9e9ebf9b9a0bb68a1261aa94d8e8f80e18204d647b0ed853845e1428b.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 4332 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4332 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3500 wrote to memory of 4436 3500 cfe279a9e9ebf9b9a0bb68a1261aa94d8e8f80e18204d647b0ed853845e1428b.exe 113 PID 3500 wrote to memory of 4436 3500 cfe279a9e9ebf9b9a0bb68a1261aa94d8e8f80e18204d647b0ed853845e1428b.exe 113 PID 3500 wrote to memory of 4436 3500 cfe279a9e9ebf9b9a0bb68a1261aa94d8e8f80e18204d647b0ed853845e1428b.exe 113 PID 4436 wrote to memory of 4332 4436 cmd.exe 115 PID 4436 wrote to memory of 4332 4436 cmd.exe 115 PID 4436 wrote to memory of 4332 4436 cmd.exe 115
Processes
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C:\Users\Admin\AppData\Local\Temp\cfe279a9e9ebf9b9a0bb68a1261aa94d8e8f80e18204d647b0ed853845e1428b.exe"C:\Users\Admin\AppData\Local\Temp\cfe279a9e9ebf9b9a0bb68a1261aa94d8e8f80e18204d647b0ed853845e1428b.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3500 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 4522⤵
- Program crash
PID:1492
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 5002⤵
- Program crash
PID:1212
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 7482⤵
- Program crash
PID:3356
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 7922⤵
- Program crash
PID:440
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 8362⤵
- Program crash
PID:2068
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 8442⤵
- Program crash
PID:208
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 9122⤵
- Program crash
PID:4916
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 9922⤵
- Program crash
PID:3932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3500 -s 13242⤵
- Program crash
PID:3704
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "cfe279a9e9ebf9b9a0bb68a1261aa94d8e8f80e18204d647b0ed853845e1428b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\cfe279a9e9ebf9b9a0bb68a1261aa94d8e8f80e18204d647b0ed853845e1428b.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4436 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "cfe279a9e9ebf9b9a0bb68a1261aa94d8e8f80e18204d647b0ed853845e1428b.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4332
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 3500 -ip 35001⤵PID:3576
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3500 -ip 35001⤵PID:2084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3500 -ip 35001⤵PID:2012
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3500 -ip 35001⤵PID:1060
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3500 -ip 35001⤵PID:3188
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3500 -ip 35001⤵PID:4708
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 3500 -ip 35001⤵PID:2264
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3500 -ip 35001⤵PID:648
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 3500 -ip 35001⤵PID:2020
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99