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Analysis
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max time kernel
102s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
10/09/2024, 17:47
Static task
static1
Behavioral task
behavioral1
Sample
fa0ef5e399db288cc428920ecaa280c691d7b2f3f8d1239d04f9ed5a99b15632.exe
Resource
win7-20240708-en
General
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Target
fa0ef5e399db288cc428920ecaa280c691d7b2f3f8d1239d04f9ed5a99b15632.exe
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Size
315KB
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MD5
b1562d245111031645ae8fbf7b8c16f6
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SHA1
40db022d23b06ebb05170e1f2556f65e8a37de90
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SHA256
fa0ef5e399db288cc428920ecaa280c691d7b2f3f8d1239d04f9ed5a99b15632
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SHA512
976837e9945b4aa714c327486037f9e6a2eb2f413d71f7fb18b32ce6255b12e3f7d7b33716f1de080eccb84645b14c6287a4e102ee5842cbbfca2e017e87c7cd
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SSDEEP
6144:qEuAXzyPC9/+EUIJVTGPo5N6ZCuQTdJXd:duWzyPecIJ/5N+ChdJXd
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 fa0ef5e399db288cc428920ecaa280c691d7b2f3f8d1239d04f9ed5a99b15632.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 1548 3372 WerFault.exe 82 3044 3372 WerFault.exe 82 856 3372 WerFault.exe 82 2384 3372 WerFault.exe 82 2844 3372 WerFault.exe 82 4420 3372 WerFault.exe 82 3924 3372 WerFault.exe 82 4796 3372 WerFault.exe 82 3120 3372 WerFault.exe 82 972 3372 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 fa0ef5e399db288cc428920ecaa280c691d7b2f3f8d1239d04f9ed5a99b15632.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 2412 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2412 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3372 wrote to memory of 4996 3372 fa0ef5e399db288cc428920ecaa280c691d7b2f3f8d1239d04f9ed5a99b15632.exe 114 PID 3372 wrote to memory of 4996 3372 fa0ef5e399db288cc428920ecaa280c691d7b2f3f8d1239d04f9ed5a99b15632.exe 114 PID 3372 wrote to memory of 4996 3372 fa0ef5e399db288cc428920ecaa280c691d7b2f3f8d1239d04f9ed5a99b15632.exe 114 PID 4996 wrote to memory of 2412 4996 cmd.exe 118 PID 4996 wrote to memory of 2412 4996 cmd.exe 118 PID 4996 wrote to memory of 2412 4996 cmd.exe 118
Processes
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C:\Users\Admin\AppData\Local\Temp\fa0ef5e399db288cc428920ecaa280c691d7b2f3f8d1239d04f9ed5a99b15632.exe"C:\Users\Admin\AppData\Local\Temp\fa0ef5e399db288cc428920ecaa280c691d7b2f3f8d1239d04f9ed5a99b15632.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3372 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 4482⤵
- Program crash
PID:1548
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 7642⤵
- Program crash
PID:3044
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 7722⤵
- Program crash
PID:856
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 8162⤵
- Program crash
PID:2384
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 7642⤵
- Program crash
PID:2844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 9282⤵
- Program crash
PID:4420
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 9322⤵
- Program crash
PID:3924
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 11042⤵
- Program crash
PID:4796
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 15602⤵
- Program crash
PID:3120
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "fa0ef5e399db288cc428920ecaa280c691d7b2f3f8d1239d04f9ed5a99b15632.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\fa0ef5e399db288cc428920ecaa280c691d7b2f3f8d1239d04f9ed5a99b15632.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4996 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "fa0ef5e399db288cc428920ecaa280c691d7b2f3f8d1239d04f9ed5a99b15632.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2412
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 16842⤵
- Program crash
PID:972
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3372 -ip 33721⤵PID:2992
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3372 -ip 33721⤵PID:5036
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3372 -ip 33721⤵PID:1608
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3372 -ip 33721⤵PID:3556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3372 -ip 33721⤵PID:512
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3372 -ip 33721⤵PID:2496
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3372 -ip 33721⤵PID:1496
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3372 -ip 33721⤵PID:1792
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3372 -ip 33721⤵PID:3836
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3372 -ip 33721⤵PID:3796
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99