33aaf0d8bfe03662c09c1af352af3a289e38c3a858f5418e9bd22008bedcfcbd

Analysis

max time kernel
94s
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
12/11/2024, 14:56

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General

Target
33aaf0d8bfe03662c09c1af352af3a289e38c3a858f5418e9bd22008bedcfcbdN.dll
Size 76KB
Sample241112-sbbhvavflk
SHA256 33aaf0d8bfe03662c09c1af352af3a289e38c3a858f5418e9bd22008bedcfcbd
MD5 3e419e946987764a8cef6a9a7f66f060
SHA1 c26f88deec64b7626519f9d7cc5856c39494071b
SHA512 c7ffc80594af8398a8b94d1425e66ee35b79d9e4b3d60a886f52c43a0404467b887a34d2d222acc5ed5c02d95b43f804ac23c05ecd5835b3be7638eb35cd001f
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZKkAoMJ2:c8y93KQjy7G55riF1cMo03kHoM4
MD5 SHA1 SHA512 SSDEEP

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/1600-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1600-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
912	1600	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	1600	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4112 wrote to memory of 1600	4112	rundll32.exe	83
PID 4112 wrote to memory of 1600	4112	rundll32.exe	83
PID 4112 wrote to memory of 1600	4112	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\33aaf0d8bfe03662c09c1af352af3a289e38c3a858f5418e9bd22008bedcfcbdN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\33aaf0d8bfe03662c09c1af352af3a289e38c3a858f5418e9bd22008bedcfcbdN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1600
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1600 -s 712
    3⤵
    - Program crash
    PID:912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1600 -ip 1600
1⤵
PID:1968

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/1600-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/1600-2-0x0000000010000000-0x0000000010030000-memory.dmp