66a62f229d16596f4342a2443a91540b411fcb4a62d334ce6d049f1d14fa2a11

Analysis

max time kernel
95s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 23:59

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General

Target

66a62f229d16596f4342a2443a91540b411fcb4a62d334ce6d049f1d14fa2a11.dll
Size

76KB
MD5

f7f99e640133d60ffc0e5b794f304bb1
SHA1

9a5bc86cef2f4d130246b16d1ba8cba6c672c5cc
SHA256

66a62f229d16596f4342a2443a91540b411fcb4a62d334ce6d049f1d14fa2a11
SHA512

26300e136ab5fd8e7b977190f513b1529e1278b2adb695c2bd2d65f1fba7ab327e7dba2baab09689a560d5597205c178b893a092d3431777e25f26493d1127d1
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZD2Ku:c8y93KQjy7G55riF1cMo03R2Ku

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/4728-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4728-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4964	4728	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	4728	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 4728	5088	rundll32.exe	83
PID 5088 wrote to memory of 4728	5088	rundll32.exe	83
PID 5088 wrote to memory of 4728	5088	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\66a62f229d16596f4342a2443a91540b411fcb4a62d334ce6d049f1d14fa2a11.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\66a62f229d16596f4342a2443a91540b411fcb4a62d334ce6d049f1d14fa2a11.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 716
    3⤵
    - Program crash
    PID:4964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4728 -ip 4728
1⤵
PID:3836

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/4728-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4728-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download