5ec36ac5ba843f29bb0dc75d7d527ab9cee34a681bad704a89fd5ed12cdea337

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-08-2024 23:01

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General

Target

boc5b.dll
Size

10KB
MD5

2833c470da7df25822392c639b711547
SHA1

ce6a4c63320a9e1b7d47c8a6ce0c4599563a5afe
SHA256

db50b8a0d0b765c4ef329a10e6dc4ff2164e6044371ec41e1ce53ab608c8a950
SHA512

a4c12e3ac7dc7000cedeaeda7c3d57d44f7ea7568b582a46f76415a11c7a0149271a02d4c5f95bcce59aa2d0baaad084c0b621899b5fd9940aea390c89731de0
SSDEEP

192:x/fEwUnzUl/jLTQg/tiX/ZElVoqsBsCBfopapM90pGW:HZTQsCxElVoR1M92G

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4916	3384	WerFault.exe	86

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 behavior: EnumeratesProcesses 8 IoCs

pid	Process
3384	rundll32.exe
3384	rundll32.exe
3384	rundll32.exe
3384	rundll32.exe
3384	rundll32.exe
3384	rundll32.exe
3384	rundll32.exe
3384	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 3384	1344	rundll32.exe	86
PID 1344 wrote to memory of 3384	1344	rundll32.exe	86
PID 1344 wrote to memory of 3384	1344	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\boc5b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1344
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\boc5b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3384
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3384 -s 704
    3⤵
    - Program crash
    PID:4916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3384 -ip 3384
1⤵
PID:4480

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

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Downloads

memory/3384-0-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download
memory/3384-1-0x0000000010000000-0x0000000010005000-memory.dmp

Filesize
20KB

Download