8f971b3bac5294cb4edbef9498961acead8434e0580c884395ab15983e4843ef

Analysis

max time kernel
130s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 23:21

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General

Target

Richard/tbb_debug.dll
Size

764KB
MD5

d5d8e9636270d6dd306701510e26a244
SHA1

03e801913bfbbb69372b6141553c84257705560a
SHA256

ba81849ceff9f60dc4285682bae17851c85fcaa2f27f180814c343cde933b833
SHA512

74c557010d38d385f17242b5f639b368b0f80449f36f87b1e8bc05f5fc2451e5c5c34b6670b17242484eada107b148a3aaa4c7783fc6974772b330bf806ddff5
SSDEEP

12288:yNdYkz2Uhux3qaZrgIIa0sDtoq+JwnyIi0hhZDu4hS0/aadWglPigd:yhz2Uhm3qaWvaHVVLd1hhUk

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1644	2028	WerFault.exe	85

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 4300 wrote to memory of 2028	4300	rundll32.exe	85
PID 4300 wrote to memory of 2028	4300	rundll32.exe	85
PID 4300 wrote to memory of 2028	4300	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Richard\tbb_debug.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4300
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Richard\tbb_debug.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2028
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 600
    3⤵
    - Program crash
    PID:1644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2028 -ip 2028
1⤵
PID:5020

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

Windows 7 deprecation

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