dc276b0113694ecc62913311e2580857754aa890173dfaa9d95afad6396bb741

Analysis

max time kernel
898s
max time network
430s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
01/07/2026, 19:20

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General

Target
Original/999bc5e16312db6abff5f6c9e54c546f.exe
Size 573KB
Sample260701-x2kawsds2m
SHA256 dc276b0113694ecc62913311e2580857754aa890173dfaa9d95afad6396bb741
MD5 999bc5e16312db6abff5f6c9e54c546f
SHA1 c19761497efcdf156f50c014e7520fdae40822e7
SHA512 37d8403df63db243ec631267abb167da67acc257a45c775a8e646467e9c121820ce420bc15b920afdd386f2c5edcabe8d310ecd3074405c31ee37f348ec4c78d
SSDEEP 12288:wZ2BkVm1YvrIm9/nefmiM+Si2BiYRdAugT:GVm2rvJgmX+n2oYRdvA
TLSH
T128C4E6F509372C0CDD8B1436F6B7F989BED1A898096DCD944932F1EB2F51025A4E2EC9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4416	KLsDTFdvlWdjMWj.exe

Executes dropped EXE 2 IoCs

pid	Process
4416	KLsDTFdvlWdjMWj.exe
4280	KLsDTFdvlWdjMWj.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\KLsDTFdvlWdjMWj.exe	999bc5e16312db6abff5f6c9e54c546f.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5940	4416	WerFault.exe	85
1628	4280	WerFault.exe	90

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	999bc5e16312db6abff5f6c9e54c546f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KLsDTFdvlWdjMWj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KLsDTFdvlWdjMWj.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3552	999bc5e16312db6abff5f6c9e54c546f.exe
3552	999bc5e16312db6abff5f6c9e54c546f.exe
4416	KLsDTFdvlWdjMWj.exe
4416	KLsDTFdvlWdjMWj.exe
4416	KLsDTFdvlWdjMWj.exe
4416	KLsDTFdvlWdjMWj.exe
4280	KLsDTFdvlWdjMWj.exe
4280	KLsDTFdvlWdjMWj.exe
4280	KLsDTFdvlWdjMWj.exe
4280	KLsDTFdvlWdjMWj.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3552	999bc5e16312db6abff5f6c9e54c546f.exe
Token: SeDebugPrivilege	4416	KLsDTFdvlWdjMWj.exe
Token: SeDebugPrivilege	4280	KLsDTFdvlWdjMWj.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3552 wrote to memory of 4416	3552	999bc5e16312db6abff5f6c9e54c546f.exe	85

C:\Users\Admin\AppData\Local\Temp\Original\999bc5e16312db6abff5f6c9e54c546f.exe
"C:\Users\Admin\AppData\Local\Temp\Original\999bc5e16312db6abff5f6c9e54c546f.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3552
- C:\Windows\KLsDTFdvlWdjMWj.exe
  C:\Users\Admin\AppData\Local\Temp\Original\999bc5e16312db6abff5f6c9e54c546f.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4416
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 708
    3⤵
    - Program crash
    PID:5940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4416 -ip 4416
1⤵
PID:5084

C:\Windows\KLsDTFdvlWdjMWj.exe
C:\Windows\KLsDTFdvlWdjMWj.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4280
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4280 -s 548
  2⤵
  - Program crash
  PID:1628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4280 -ip 4280
1⤵
PID:5060

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

KLsDTFdvlWdjMWj.exe

Path C:\Windows\KLsDTFdvlWdjMWj.exe
Size 573KB
SHA256 dc276b0113694ecc62913311e2580857754aa890173dfaa9d95afad6396bb741
MD5 999bc5e16312db6abff5f6c9e54c546f
SHA1 c19761497efcdf156f50c014e7520fdae40822e7
SHA512 37d8403df63db243ec631267abb167da67acc257a45c775a8e646467e9c121820ce420bc15b920afdd386f2c5edcabe8d310ecd3074405c31ee37f348ec4c78d
SSDEEP 12288:wZ2BkVm1YvrIm9/nefmiM+Si2BiYRdAugT:GVm2rvJgmX+n2oYRdvA
TLSH
T128C4E6F509372C0CDD8B1436F6B7F989BED1A898096DCD944932F1EB2F51025A4E2EC9
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/3552-0-0x0000000000720000-0x0000000000721000-memory.dmp

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memory/3552-1-0x0000000000400000-0x0000000000464000-memory.dmp

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memory/3552-8-0x0000000000400000-0x0000000000464000-memory.dmp

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memory/4280-20-0x0000000000400000-0x0000000000464000-memory.dmp

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memory/4416-14-0x0000000000400000-0x0000000000464000-memory.dmp

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