729c666a2254617c5e0086348358e357b00beaed646982ebf1b18a6ee4b6e227

Analysis

max time kernel
95s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 22:50

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General

Target

729c666a2254617c5e0086348358e357b00beaed646982ebf1b18a6ee4b6e227.dll
Size

76KB
MD5

cfd206b1d3d372e3b7806963a6534c01
SHA1

a519517e1d82b1c2857cd22742e675c86f17c261
SHA256

729c666a2254617c5e0086348358e357b00beaed646982ebf1b18a6ee4b6e227
SHA512

3cf96fa918357c97a48b6b378e846739eb8adb366fc490e513bdd5e386f942160b1f5ff4736a7765490a4a18e97054b34d01f9353d984d9758ffc16c31839e0b
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZKW:c8y93KQjy7G55riF1cMo03X

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/1636-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1636-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3412	1636	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	1636	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 1636	2920	rundll32.exe	83
PID 2920 wrote to memory of 1636	2920	rundll32.exe	83
PID 2920 wrote to memory of 1636	2920	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\729c666a2254617c5e0086348358e357b00beaed646982ebf1b18a6ee4b6e227.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\729c666a2254617c5e0086348358e357b00beaed646982ebf1b18a6ee4b6e227.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 704
    3⤵
    - Program crash
    PID:3412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1636 -ip 1636
1⤵
PID:3404

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/1636-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1636-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download