0d757ca61be427e699d570364fdd5ec6f5fbeb7654dc67b34bb4b46c69466de5

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
21/04/2026, 06:27

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General

Target
Common.dll
Size 897KB
Sample260421-g7rddsds4v
SHA256 0d757ca61be427e699d570364fdd5ec6f5fbeb7654dc67b34bb4b46c69466de5
MD5 40fd316520f0573077aacb60aff0fbc6
SHA1 4b1e23ba91a049fdc4c97caebc57cac15cb3e9b0
SHA512 c5cad12ed7b9fc4b6af099a973438e07c0a994084cad893d34eadcc186559560d728a663054c9cfc49864fa52f88d38428088baae853fd887169be46bee8524c
SSDEEP 12288:E6CK1dk6NxNlea9vVBpKZZhYQ6hH6YcSoaZbVAIaJNO:J1d3NlxvVBkOQ6huSoaZbiS
TLSH
T146154A0173D35228F7F706B25ABA846E553CBCB12B15C2CF81948A9D27F5AE1AD31723
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral3/memory/4556-0-0x0000000071D20000-0x00000000741A8000-memory.dmp	upx
behavioral3/memory/4556-1-0x0000000071D20000-0x00000000741A8000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1564	4556	WerFault.exe	84

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 4556	2456	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Common.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Common.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4556
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4556 -s 792
    3⤵
    - Program crash
    PID:1564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4556 -ip 4556
1⤵
PID:3552

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

Replay Monitor

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Downloads

memory/4556-0-0x0000000071D20000-0x00000000741A8000-memory.dmp

Download

memory/4556-1-0x0000000071D20000-0x00000000741A8000-memory.dmp