c0f3be2ec3802e5e5b6d3e7489af0ee64ab84447b39d4286e3348ced1bc3e869

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 20:23

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General

Target

c0f3be2ec3802e5e5b6d3e7489af0ee64ab84447b39d4286e3348ced1bc3e869N.dll
Size

76KB
MD5

d953922fd84647cd4fab700aafcb04c0
SHA1

662086a44f4e0a7cab9b0840d8088bf97bbc84aa
SHA256

c0f3be2ec3802e5e5b6d3e7489af0ee64ab84447b39d4286e3348ced1bc3e869
SHA512

69ba1d545a35b9d030e6e5f42b27c95d1f671b464e2b893f1f2e4990b68ebbef4c9e67657b1441306b29a451f283755fbcdb87eb236a1fc9e53d4457056f3f59
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZH:c8y93KQjy7G55riF1cMo03l

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/4036-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4036-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4728	4036	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.

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	4036	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 4036	4672	rundll32.exe	83
PID 4672 wrote to memory of 4036	4672	rundll32.exe	83
PID 4672 wrote to memory of 4036	4672	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0f3be2ec3802e5e5b6d3e7489af0ee64ab84447b39d4286e3348ced1bc3e869N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0f3be2ec3802e5e5b6d3e7489af0ee64ab84447b39d4286e3348ced1bc3e869N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4036
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4036 -s 712
    3⤵
    - Program crash
    PID:4728

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4036 -ip 4036
1⤵
PID:1616

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

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Downloads

memory/4036-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4036-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download