621282029ce420944e1317467341e52f233cfe316008d46ae43364c3da987c31

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2024, 22:01

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General

Target

621282029ce420944e1317467341e52f233cfe316008d46ae43364c3da987c31.dll
Size

203KB
MD5

a70ed5d8306382a21e9bc39a539667c7
SHA1

fd638c3557c586b1d9f4383b0439f8fed70d1ce1
SHA256

621282029ce420944e1317467341e52f233cfe316008d46ae43364c3da987c31
SHA512

5d723717e3dda1a5927e5eeeaad83b29f6f72aa9cde8c7ce225c6cf265c5bdbaac34320b5fd1e6eca8300ec4381e5cad4c49ccfd35c58e46baf6385b1b881486
SSDEEP

3072:aJ8IMILmCa3yx6oFEdgVXnF6C9Ugfxm32n7SpiM5khe:5kmCaiEoFEd+F3txm2SpiM5kw

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4044-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/4044-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2348	4044	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	4044	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3080 wrote to memory of 4044	3080	rundll32.exe	83
PID 3080 wrote to memory of 4044	3080	rundll32.exe	83
PID 3080 wrote to memory of 4044	3080	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\621282029ce420944e1317467341e52f233cfe316008d46ae43364c3da987c31.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3080
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\621282029ce420944e1317467341e52f233cfe316008d46ae43364c3da987c31.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4044 -s 716
    3⤵
    - Program crash
    PID:2348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4044 -ip 4044
1⤵
PID:2996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/4044-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/4044-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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