8f971b3bac5294cb4edbef9498961acead8434e0580c884395ab15983e4843ef

Analysis

max time kernel
145s
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.dll
Size

271KB
MD5

7d3127f236015b436ccf8da4a2e61587
SHA1

49cb04c7015e75f61d58df01cf9ab5bb192ee849
SHA256

489417408927123edcdb6490939223ec2fc8f7576cd28e818fe86043ff8c9393
SHA512

3550198b1c9768bf45723e617ee739c0167c4f068452936415548a7e7767ab7a020307bb320aed1ebe90e77b58050e2f0668ca4737a0e6e6c6e49f6bbac7f330
SSDEEP

6144:dg9OniFPXhXgfbPnEgkBIUBs/OHrdlhDrO4RaWpApSJRYjG/rO4ay6Sa:dg9OiFvKfbPnEgkBIUBs/OHHhXO4RaW9

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5084	212	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 5112 wrote to memory of 212	5112	rundll32.exe	85
PID 5112 wrote to memory of 212	5112	rundll32.exe	85
PID 5112 wrote to memory of 212	5112	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Richard\tbb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Richard\tbb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:212
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 212 -s 608
    3⤵
    - Program crash
    PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 212 -ip 212
1⤵
PID:3900

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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