Analysis
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max time kernel
94s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-01-2025 17:20
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_3059cf89548babd7f883f6669403711b.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_3059cf89548babd7f883f6669403711b.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/oezmnaybrma.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/oezmnaybrma.dll
Resource
win10v2004-20241007-en
General
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Target
$PLUGINSDIR/oezmnaybrma.dll
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Size
20KB
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MD5
e3e7ada7af7f7560a909eee23348cce6
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SHA1
8d41ded7481ee7f95816515c367116782932ef13
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SHA256
cba0d722c1e33b61881ac05c0db2cf088dd9702e76df979ab40f8c0dc1c053ab
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SHA512
8f80d8cc74c0add6a92fc4a3549db2633a1c71e10e192f12ca8fd8f223a99455f24d2aab441d3dce3fddd789b769b446613991cb54906deacc930e2f7e8d46f0
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SSDEEP
384:h8fmk9RJD7f+aPjoZ357iLezOo9qkT/4:h8flRJOZmBoE
Malware Config
Signatures
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Program crash 1 IoCs
pid pid_target Process procid_target 3956 4888 WerFault.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 1 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 rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2584 wrote to memory of 4888 2584 rundll32.exe 83 PID 2584 wrote to memory of 4888 2584 rundll32.exe 83 PID 2584 wrote to memory of 4888 2584 rundll32.exe 83 PID 4888 wrote to memory of 5064 4888 rundll32.exe 84 PID 4888 wrote to memory of 5064 4888 rundll32.exe 84 PID 4888 wrote to memory of 5064 4888 rundll32.exe 84 PID 4888 wrote to memory of 5064 4888 rundll32.exe 84
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oezmnaybrma.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2584 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oezmnaybrma.dll,#12⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4888 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\oezmnaybrma.dll,#13⤵PID:5064
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4888 -s 7203⤵
- Program crash
PID:3956
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4888 -ip 48881⤵PID:4260