8d2dbc4f703f0d3b8fcb14236304c5d1f966e78ac4d2539817138f5abcec2f46

Analysis

max time kernel
108s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 10:44

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General

Target
adf3deb5e56b3f24b8beeeb9bf038980N.dll
Size 76KB
Sample240818-mswx8azeja
SHA256 8d2dbc4f703f0d3b8fcb14236304c5d1f966e78ac4d2539817138f5abcec2f46
MD5 adf3deb5e56b3f24b8beeeb9bf038980
SHA1 f814b699a0a16cce395d5038346f5ae6b3c5cd0c
SHA512 4ec111a596f8fd61cded16fc1727c923dde95d1305af2d35499f25b40ae47929302ad1e36ac9496030cb76064bdd66677db40f00ed284996791c622789e5e901
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zc19TKC:c8y93KQjy7G55riF1cMo03ANL
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/3440-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3440-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4812	3440	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	3440	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 3440	2892	rundll32.exe	84
PID 2892 wrote to memory of 3440	2892	rundll32.exe	84
PID 2892 wrote to memory of 3440	2892	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\adf3deb5e56b3f24b8beeeb9bf038980N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\adf3deb5e56b3f24b8beeeb9bf038980N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3440
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 712
    3⤵
    - Program crash
    PID:4812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3440 -ip 3440
1⤵
PID:2832

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/3440-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/3440-1-0x0000000010000000-0x0000000010030000-memory.dmp