019771fc84dbd5991c492ca1a62ae3db8e518b00a4b369a4fd906043cf2dd069

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23/07/2024, 18:08

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General

Target

019771fc84dbd5991c492ca1a62ae3db8e518b00a4b369a4fd906043cf2dd069.dll
Size

76KB
MD5

9ea43fc0a89e028d8fb9d53925e9b1a7
SHA1

53856b4282b2af1007e95cc89e20a2bc76f68801
SHA256

019771fc84dbd5991c492ca1a62ae3db8e518b00a4b369a4fd906043cf2dd069
SHA512

3078f0f6329aa4639ed50ab77699a2b41519cb50619ed71e5701b7c0b74d6c7f9d4c8afc1cedabc88ba760c02372dd482f87e4aebfd3134d5b24d7a9bce4bc20
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZofZX:c8y93KQjy7G55riF1cMo036BX

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 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2552-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2552-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2552-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1776	2552	WerFault.exe	30

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	2552	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 2552	1932	rundll32.exe	30
PID 1932 wrote to memory of 2552	1932	rundll32.exe	30
PID 1932 wrote to memory of 2552	1932	rundll32.exe	30
PID 1932 wrote to memory of 2552	1932	rundll32.exe	30
PID 1932 wrote to memory of 2552	1932	rundll32.exe	30
PID 1932 wrote to memory of 2552	1932	rundll32.exe	30
PID 1932 wrote to memory of 2552	1932	rundll32.exe	30
PID 2552 wrote to memory of 1776	2552	rundll32.exe	31
PID 2552 wrote to memory of 1776	2552	rundll32.exe	31
PID 2552 wrote to memory of 1776	2552	rundll32.exe	31
PID 2552 wrote to memory of 1776	2552	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\019771fc84dbd5991c492ca1a62ae3db8e518b00a4b369a4fd906043cf2dd069.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\019771fc84dbd5991c492ca1a62ae3db8e518b00a4b369a4fd906043cf2dd069.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 272
    3⤵
    - Program crash
    PID:1776

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/2552-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2552-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2552-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download