ab7c0c327725af67684fcaf5497c6619704198393c3440b566d068d5bd6f358e

Analysis

max time kernel
103s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 03:49

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General

Target
fa805bd67916c36859f8616c0ff12660N.dll
Size 76KB
Sample240821-edndjaydmd
SHA256 ab7c0c327725af67684fcaf5497c6619704198393c3440b566d068d5bd6f358e
MD5 fa805bd67916c36859f8616c0ff12660
SHA1 a42dd293c28b723770ac34757f49c16f563bd8ee
SHA512 d61c7f799e2dfe546ac70d68d5dd7c3b41b922df42a63133525c65f0f8645be73b786604317c618a27540143684e4948a9e39dea76b41a0bcc8c41849d1d745b
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zww5vKGcaQUS:c8y93KQjy7G55riF1cMo032FR
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/3936-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3936-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4628	3936	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	3936	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 3936	1592	rundll32.exe	84
PID 1592 wrote to memory of 3936	1592	rundll32.exe	84
PID 1592 wrote to memory of 3936	1592	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa805bd67916c36859f8616c0ff12660N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa805bd67916c36859f8616c0ff12660N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3936
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3936 -s 716
    3⤵
    - Program crash
    PID:4628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3936 -ip 3936
1⤵
PID:4720

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/3936-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/3936-1-0x0000000010000000-0x0000000010030000-memory.dmp