13cde6b6fdc44a435831e467efba008062d06ea588dcd7e009def4ed665e6110

Analysis

max time kernel
102s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/08/2024, 00:56

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General

Target
a709d14d275aba85b6be1da2ad4f7b50N.dll
Size 76KB
Sample240829-bas8tsvhlg
SHA256 13cde6b6fdc44a435831e467efba008062d06ea588dcd7e009def4ed665e6110
MD5 a709d14d275aba85b6be1da2ad4f7b50
SHA1 69e054d05e6cc3a211c0fa8e095ced7a56e04d03
SHA512 50b969e67d898ce376d4841afa79fc68b589b0c6cd81bb8f0203eec64f1ef17a69f6428763a83fa329b62260b68e07e1784168debf30588001cd60266a04d70e
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZOMDIIaR:c8y93KQjy7G55riF1cMo03A
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3724-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3724-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3204	3724	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	3724	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 3724	4080	rundll32.exe	84
PID 4080 wrote to memory of 3724	4080	rundll32.exe	84
PID 4080 wrote to memory of 3724	4080	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a709d14d275aba85b6be1da2ad4f7b50N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4080
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a709d14d275aba85b6be1da2ad4f7b50N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3724
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3724 -s 716
    3⤵
    - Program crash
    PID:3204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3724 -ip 3724
1⤵
PID:1496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/3724-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/3724-2-0x0000000010000000-0x0000000010030000-memory.dmp