27e91e3f6b4b2c5853c59ad4cc8d5d0064bcefcfee10529382d5b6f38eb0977c

Resubmissions

02/08/2024, 14:37

240802-rzb9lsxgrm4

02/08/2024, 14:35

240802-rx6qfaxgnr3

Analysis

max time kernel
92s
max time network
100s
platform
windows11-21h2_x64
resource
win11-20240730-en
resource tags

arch:x64arch:x86image:win11-20240730-enlocale:en-usos:windows11-21h2-x64system
submitted
02/08/2024, 14:37

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General

Target
UltimMC/libeay32.dll
Size 2.0MB
Sample240802-rzb9lsxgrm
SHA256 2f20c026052e5fa19cef41ffe0efcf24d8a0b72b111836b752c5a5233a3bba24
MD5 cbf108307adf8bd4bab6b128d07b9dfd
SHA1 69a2faf90356c46a19a2062e388217f94c195d47
SHA512 aa4ce9a4a2fbba5c6d79b21c659319ce88b9fae853ab5192e48cbd384bb9211ce52de003bf784aaff0133740bc130675044ca72a1713607554558ead8162b8f0
SSDEEP 49152:ITREYq/BXaITiJ3AI9r5O55DPy5oEHTcdcFKFRMKMn/0Nq6D/V41G:ITREYq/BXtTiJ3AI9r5O55DPy5oEHXKP
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

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 WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 4720	4712	rundll32.exe	82
PID 4712 wrote to memory of 4720	4712	rundll32.exe	82
PID 4712 wrote to memory of 4720	4712	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libeay32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4712
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libeay32.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4720

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/4720-1-0x0000000064940000-0x0000000064954000-memory.dmp

Download

memory/4720-0-0x000000006E940000-0x000000006E964000-memory.dmp