a7e20a24318717e2c135be534bb6cf73b29b6985d109a0b4d71911bb0735c2ac

Analysis

max time kernel
98s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 06:48

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General

Target

a7e20a24318717e2c135be534bb6cf73b29b6985d109a0b4d71911bb0735c2acN.dll
Size

76KB
MD5

4948d6bc7394a8eeee0b89e72aefc540
SHA1

7054ef48fb566f73bd38c66ce3d1b65e78516f9b
SHA256

a7e20a24318717e2c135be534bb6cf73b29b6985d109a0b4d71911bb0735c2ac
SHA512

737b7f45705574dc24f9e4e887f1ce358fe4f23a13cd58bf0a71458d4e5a41b6f9b486bf265bf5f33f5cf3c053a40a8ce8652a20f71eb79f6ebde7fdd76494dc
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZeaxRDmzb:c8y93KQjy7G55riF1cMo03lrW

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/1384-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1384-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1684	1384	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	1384	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 1384	1524	rundll32.exe	83
PID 1524 wrote to memory of 1384	1524	rundll32.exe	83
PID 1524 wrote to memory of 1384	1524	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7e20a24318717e2c135be534bb6cf73b29b6985d109a0b4d71911bb0735c2acN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7e20a24318717e2c135be534bb6cf73b29b6985d109a0b4d71911bb0735c2acN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1384
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 692
    3⤵
    - Program crash
    PID:1684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1384 -ip 1384
1⤵
PID:860

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

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Downloads

memory/1384-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1384-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download