2e1c169239fab1858b8c22e998798914ba5b11d7faaecb95aedad5a41693232f

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 06:19

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General

Target
b1a47ace2a5688718aabdc422b9015f0N.dll
Size 76KB
Sample240914-g29msazfkn
SHA256 2e1c169239fab1858b8c22e998798914ba5b11d7faaecb95aedad5a41693232f
MD5 b1a47ace2a5688718aabdc422b9015f0
SHA1 5b235b968e25522338c9d987c81df05f28ef5c2f
SHA512 44921332331f052fd93f60882ca97f283c9ef312f45dfb6b148f74a3e1e7ad4825a29fd1c14215e6f3cd528e4a04b27d7d1e21702e9babc5716f9af772813cf6
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZURR33zGpz:c8y93KQjy7G55riF1cMo03B
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/2444-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2444-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4720	2444	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	2444	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2444	1724	rundll32.exe	82
PID 1724 wrote to memory of 2444	1724	rundll32.exe	82
PID 1724 wrote to memory of 2444	1724	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1a47ace2a5688718aabdc422b9015f0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1a47ace2a5688718aabdc422b9015f0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 700
    3⤵
    - Program crash
    PID:4720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2444 -ip 2444
1⤵
PID:2760

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/2444-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/2444-2-0x0000000010000000-0x0000000010030000-memory.dmp