Analysis
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max time kernel
148s -
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
06-09-2024 07:05
Static task
static1
Behavioral task
behavioral1
Sample
49a530d2755b919dee5bdd26d931925c.exe
Resource
win7-20240903-en
General
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Target
49a530d2755b919dee5bdd26d931925c.exe
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Size
272KB
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MD5
49a530d2755b919dee5bdd26d931925c
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SHA1
59440163bfd8c6af7e61a0b19f86a91e99c01d98
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SHA256
37c8502f5be6243de18cb2f92e2f88d72c14cd7bffe96033319f2be9bed1baaa
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SHA512
79c89aac0dc0f40fde34e7228554982312ab10b04cfcedead34ace4a9c366aa027251a60c73a1815c3770fd87b2bc49b5c89ecfcc3e7815222bba8bd1a3ceed7
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SSDEEP
6144:+DfD5BQnup57iPyrbaM33dAq6EuA72Igq:+7Qnu+yrbaMD6EuA7
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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation 49a530d2755b919dee5bdd26d931925c.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 3288 4372 WerFault.exe 81 2296 4372 WerFault.exe 81 5008 4372 WerFault.exe 81 3432 4372 WerFault.exe 81 708 4372 WerFault.exe 81 3684 4372 WerFault.exe 81 1644 4372 WerFault.exe 81 1388 4372 WerFault.exe 81 4444 4372 WerFault.exe 81 -
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 49a530d2755b919dee5bdd26d931925c.exe -
Kills process with taskkill 1 IoCs
pid Process 1776 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1776 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4372 wrote to memory of 3504 4372 49a530d2755b919dee5bdd26d931925c.exe 110 PID 4372 wrote to memory of 3504 4372 49a530d2755b919dee5bdd26d931925c.exe 110 PID 4372 wrote to memory of 3504 4372 49a530d2755b919dee5bdd26d931925c.exe 110 PID 3504 wrote to memory of 1776 3504 cmd.exe 114 PID 3504 wrote to memory of 1776 3504 cmd.exe 114 PID 3504 wrote to memory of 1776 3504 cmd.exe 114
Processes
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C:\Users\Admin\AppData\Local\Temp\49a530d2755b919dee5bdd26d931925c.exe"C:\Users\Admin\AppData\Local\Temp\49a530d2755b919dee5bdd26d931925c.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4372 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 7482⤵
- Program crash
PID:3288
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 7802⤵
- Program crash
PID:2296
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 7722⤵
- Program crash
PID:5008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 8162⤵
- Program crash
PID:3432
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 9042⤵
- Program crash
PID:708
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 10002⤵
- Program crash
PID:3684
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 11282⤵
- Program crash
PID:1644
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 13322⤵
- Program crash
PID:1388
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "49a530d2755b919dee5bdd26d931925c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\49a530d2755b919dee5bdd26d931925c.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3504 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "49a530d2755b919dee5bdd26d931925c.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1776
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 12962⤵
- Program crash
PID:4444
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4372 -ip 43721⤵PID:3980
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4372 -ip 43721⤵PID:3520
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4372 -ip 43721⤵PID:2784
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4372 -ip 43721⤵PID:1356
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4372 -ip 43721⤵PID:4784
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4372 -ip 43721⤵PID:2204
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4372 -ip 43721⤵PID:2260
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4372 -ip 43721⤵PID:1100
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4372 -ip 43721⤵PID:1200
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99