e3f9bfb06983eb306c947604648a92467c0d455384b320dc6746c1882901ba3b

Analysis

max time kernel
95s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 18:10

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General

Target

e3f9bfb06983eb306c947604648a92467c0d455384b320dc6746c1882901ba3bN.dll
Size

76KB
MD5

c62ba1203621488a121c9349f8ceab10
SHA1

eb309c6ead22ee8375d89bd96a6c6ed600ae4026
SHA256

e3f9bfb06983eb306c947604648a92467c0d455384b320dc6746c1882901ba3b
SHA512

55e3e6ce955f17fd75c9c0f0b9dd771ccddf36996bbd59265bb8966fa89c508a5b94c1c57d405c48544a46b9d8f215d662bbbec51992e08aa9aa258a8cded6ea
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZQNRxpI+f:c8y93KQjy7G55riF1cMo03Ehf

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
behavioral2/memory/956-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/956-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4360	956	WerFault.exe	82

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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	956	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 956	2144	rundll32.exe	82
PID 2144 wrote to memory of 956	2144	rundll32.exe	82
PID 2144 wrote to memory of 956	2144	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3f9bfb06983eb306c947604648a92467c0d455384b320dc6746c1882901ba3bN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e3f9bfb06983eb306c947604648a92467c0d455384b320dc6746c1882901ba3bN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:956
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 708
    3⤵
    - Program crash
    PID:4360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 956 -ip 956
1⤵
PID:3468

Network

MITRE ATT&CK Enterprise v15

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/956-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/956-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download