8bf30665de4578e0f137e31d5588e62b1f1b3dfc9e6736ad8a13905e573e1d31

Analysis

max time kernel
94s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28-09-2024 18:03

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General

Target

8bf30665de4578e0f137e31d5588e62b1f1b3dfc9e6736ad8a13905e573e1d31N.dll
Size

76KB
MD5

32565fb94edec6b2b5b7e3e87113ea30
SHA1

70d5d993db39665f8067f9a9d40674b8331ab2d0
SHA256

8bf30665de4578e0f137e31d5588e62b1f1b3dfc9e6736ad8a13905e573e1d31
SHA512

6cb832bdf366d9c5d5971c12bf303c6c82b041b434c4535f2e36bd6b32b51a3eebbc346d5e52a95543407f06e4e4f6edba578d55567fdd63c914aa654b44a561
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZAX4tTB:c8y93KQjy7G55riF1cMo03CXATB

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/3704-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3704-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
976	3704	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	3704	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 3704	1940	rundll32.exe	84
PID 1940 wrote to memory of 3704	1940	rundll32.exe	84
PID 1940 wrote to memory of 3704	1940	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8bf30665de4578e0f137e31d5588e62b1f1b3dfc9e6736ad8a13905e573e1d31N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8bf30665de4578e0f137e31d5588e62b1f1b3dfc9e6736ad8a13905e573e1d31N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3704 -s 700
    3⤵
    - Program crash
    PID:976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3704 -ip 3704
1⤵
PID:3272

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/3704-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3704-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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