fa3a871013cb29bcc4785183050f4858182398b27e26fc9d36f1fc69a8aeab01

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 15:45

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General

Target

fa3a871013cb29bcc4785183050f4858182398b27e26fc9d36f1fc69a8aeab01.dll
Size

76KB
MD5

4c356894bf3bc352101829f62295985a
SHA1

04ba753f9cc9a44a67835d9e9e291737d039f6c4
SHA256

fa3a871013cb29bcc4785183050f4858182398b27e26fc9d36f1fc69a8aeab01
SHA512

69e981ae1297ea3043891eac77be338e34294f833b14a84f082511c46827b06fe35705b9c92adcb36c089d71ae6c0e084faa2f62ba5182e5eaf6d1e40bd428c8
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZW8W+W:c8y93KQjy7G55riF1cMo03g8W+W

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/3112-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3112-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4012	3112	WerFault.exe	82

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	3112	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5024 wrote to memory of 3112	5024	rundll32.exe	82
PID 5024 wrote to memory of 3112	5024	rundll32.exe	82
PID 5024 wrote to memory of 3112	5024	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa3a871013cb29bcc4785183050f4858182398b27e26fc9d36f1fc69a8aeab01.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5024
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa3a871013cb29bcc4785183050f4858182398b27e26fc9d36f1fc69a8aeab01.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3112
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3112 -s 712
    3⤵
    - Program crash
    PID:4012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3112 -ip 3112
1⤵
PID:1372

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/3112-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3112-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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