141ff4601837ba27bf5271e17f29882d9c33ad912ae10578adfeab33135043f5

Analysis

max time kernel
95s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2025 19:46

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General

Target

141ff4601837ba27bf5271e17f29882d9c33ad912ae10578adfeab33135043f5.dll
Size

76KB
MD5

e5f611b9b5099ce78fe39163a38a7d13
SHA1

c488667a9456aaab481d7704cb7aa22484764f58
SHA256

141ff4601837ba27bf5271e17f29882d9c33ad912ae10578adfeab33135043f5
SHA512

f995501615fa50310df221aada8ae392ba32c6683ee6a328b75f3f9d81f2646881f77e6168eb7a17e3eaf62c1b1f58c58f14ccf76889227ad1d79736f4e2af4c
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZHzSkV:c8y93KQjy7G55riF1cMo03tzSkV

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/3956-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3956-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
968	3956	WerFault.exe	83

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	3956	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 3956	1516	rundll32.exe	83
PID 1516 wrote to memory of 3956	1516	rundll32.exe	83
PID 1516 wrote to memory of 3956	1516	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\141ff4601837ba27bf5271e17f29882d9c33ad912ae10578adfeab33135043f5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\141ff4601837ba27bf5271e17f29882d9c33ad912ae10578adfeab33135043f5.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3956
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3956 -s 712
    3⤵
    - Program crash
    PID:968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3956 -ip 3956
1⤵
PID:852

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/3956-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3956-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download