5d3894209b6244472c421daf919cb2bd0700f67a9916ac24af6d60ff1f3fee84

Analysis

max time kernel
108s
max time network
115s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 15:36

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General

Target
172c7b7feb3b15499bf7f69769dc4170N.dll
Size 76KB
Sample240908-s1612stemq
SHA256 5d3894209b6244472c421daf919cb2bd0700f67a9916ac24af6d60ff1f3fee84
MD5 172c7b7feb3b15499bf7f69769dc4170
SHA1 979bad946d3b86780b83714d8a75d684cf5ffcbb
SHA512 c15068063a2db8441f68a3233d4b03951c32d313fa6dc6e409d5842670fcc2ea7f486eb0c71ca815ceb22bc9cb470b0b78a4ddcb038ce305a16f05365c650354
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZHYtqa:c8y93KQjy7G55riF1cMo03Stqa
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/3944-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3944-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
60	3944	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	3944	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4852 wrote to memory of 3944	4852	rundll32.exe	84
PID 4852 wrote to memory of 3944	4852	rundll32.exe	84
PID 4852 wrote to memory of 3944	4852	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\172c7b7feb3b15499bf7f69769dc4170N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4852
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\172c7b7feb3b15499bf7f69769dc4170N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3944
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 700
    3⤵
    - Program crash
    PID:60

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3944 -ip 3944
1⤵
PID:3844

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

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Downloads

memory/3944-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/3944-1-0x0000000010000000-0x0000000010030000-memory.dmp