640a692a2c6d019bc5bf8d8a29f894f68039a40d1e0b8a9040e30f722a1ea754

Analysis

max time kernel
105s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/08/2024, 12:17

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General

Target
ddac12cd0c53b86e450a66500dc0ff30N.dll
Size 76KB
Sample240820-pf9dws1dla
SHA256 640a692a2c6d019bc5bf8d8a29f894f68039a40d1e0b8a9040e30f722a1ea754
MD5 ddac12cd0c53b86e450a66500dc0ff30
SHA1 25a3284873abaeda7608344628af128d3785b990
SHA512 a765dd99289e0e6e90152c304340f860becd5ea48c84e4a763d85d19ce9ad56fdbe2fb89d5bac369f3154225b242a090bc4298e0545da42e42db1ed43c846b5b
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z4pG/+:c8y93KQjy7G55riF1cMo03CR
MD5 SHA1 SHA512 SSDEEP

Score

7^/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/4736-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4736-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2600	4736	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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4736	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 4736	1724	rundll32.exe	84
PID 1724 wrote to memory of 4736	1724	rundll32.exe	84
PID 1724 wrote to memory of 4736	1724	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ddac12cd0c53b86e450a66500dc0ff30N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ddac12cd0c53b86e450a66500dc0ff30N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4736
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4736 -s 700
    3⤵
    - Program crash
    PID:2600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4736 -ip 4736
1⤵
PID:4304

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/4736-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/4736-1-0x0000000010000000-0x0000000010030000-memory.dmp