f22d6133d6e09ce6f20e3c4c29c154664fbb0b3e54ca27819f7e8e33182633b0

Analysis

max time kernel
94s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 05:30

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General

Target

f22d6133d6e09ce6f20e3c4c29c154664fbb0b3e54ca27819f7e8e33182633b0.dll
Size

76KB
MD5

6b481f98ee5c663545d9ce9f5b8ee995
SHA1

5d78b61f86ad64807dd83791b5d5e9607ae778ee
SHA256

f22d6133d6e09ce6f20e3c4c29c154664fbb0b3e54ca27819f7e8e33182633b0
SHA512

9756d7a01b47afd0f23def32c338d2434b0b4f208385085ed154e0c8e7ab7d9f7b6aca2d742c2aea3ea4ef4446df6def484214b17edda3db2805f7ffb78b0bc8
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z318Di:c8y93KQjy7G55riF1cMo03F1b

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/3140-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3140-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3532	3140	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	3140	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3552 wrote to memory of 3140	3552	rundll32.exe	83
PID 3552 wrote to memory of 3140	3552	rundll32.exe	83
PID 3552 wrote to memory of 3140	3552	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f22d6133d6e09ce6f20e3c4c29c154664fbb0b3e54ca27819f7e8e33182633b0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3552
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f22d6133d6e09ce6f20e3c4c29c154664fbb0b3e54ca27819f7e8e33182633b0.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3140
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 704
    3⤵
    - Program crash
    PID:3532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3140 -ip 3140
1⤵
PID:1912

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/3140-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3140-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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