27e91e3f6b4b2c5853c59ad4cc8d5d0064bcefcfee10529382d5b6f38eb0977c

Resubmissions

02/08/2024, 14:37

240802-rzb9lsxgrm4

02/08/2024, 14:35

240802-rx6qfaxgnr3

Analysis

max time kernel
146s
max time network
153s
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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Report Analysis Logs

General

Target
UltimMC/libgcc_s_dw2-1.dll
Size 117KB
Sample240802-rzb9lsxgrm
SHA256 f0614835136413217ed3baec9ba22aaac4c37956afcb0209f1f89b7676ae86bc
MD5 fadde43c97607e4445a6f924d851f04e
SHA1 36c1aa0e1b6d4a322c350f5e502c10c64c203041
SHA512 66f5637419f88070838ed522defad9aa1b46dd4fd8cb045e0292742831520740d152795b6e99770f34061db596019ef3a342a956b541180e78d1c48b2703f42c
SSDEEP 1536:CxINSJvU82V9dUT4PsXQ+2Q4p2VtjByBzEj6zu3PEhOKeLTxaek:CzmpUkPsXQ+2zsBy9IPEh6Zaek
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3908	4588	WerFault.exe	79

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 1004 wrote to memory of 4588	1004	rundll32.exe	79
PID 1004 wrote to memory of 4588	1004	rundll32.exe	79
PID 1004 wrote to memory of 4588	1004	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libgcc_s_dw2-1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\UltimMC\libgcc_s_dw2-1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4588
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4588 -s 468
    3⤵
    - Program crash
    PID:3908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4588 -ip 4588
1⤵
PID:1548

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/4588-0-0x000000006E940000-0x000000006E964000-memory.dmp

Download

memory/4588-1-0x0000000064940000-0x0000000064954000-memory.dmp