671d1bd3c3281935daaf31d5f9265b019509371442c2e8eba4f3626dec2418fe

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
13/08/2024, 19:09

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General

Target
STIMenu/Main/tbb.dll
Size 165KB
Sample240813-xt4dsswbnk
SHA256 a1f95e193a35fbf2a727eea80ea926f7aa7928846580e93a5595845ff9792cb7
MD5 d00816b72f29999ae295224d7696687b
SHA1 297a813fdf6bed606293de8881b8d7dd4c43193c
SHA512 37216a5339d4aae7ff7354ccdb3edf64795fe5f640585da561094e5624df0f910685fe131d32298b46f7bf724c40cc2b6f73b3b62affb0c807715d5528a2700f
SSDEEP 3072:5fsJySgLDIWKHgiFAa4Oxn2/uVu7Ysf+Ya8BZY78YYstar35IiRGwcQqRtOk0LAT:uHg34tn2Gwg8B8SIuqRtOxs
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2484	2500	WerFault.exe	31

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 11 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 2500	1292	rundll32.exe	31
PID 1292 wrote to memory of 2500	1292	rundll32.exe	31
PID 1292 wrote to memory of 2500	1292	rundll32.exe	31
PID 1292 wrote to memory of 2500	1292	rundll32.exe	31
PID 1292 wrote to memory of 2500	1292	rundll32.exe	31
PID 1292 wrote to memory of 2500	1292	rundll32.exe	31
PID 1292 wrote to memory of 2500	1292	rundll32.exe	31
PID 2500 wrote to memory of 2484	2500	rundll32.exe	32
PID 2500 wrote to memory of 2484	2500	rundll32.exe	32
PID 2500 wrote to memory of 2484	2500	rundll32.exe	32
PID 2500 wrote to memory of 2484	2500	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\STIMenu\Main\tbb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\STIMenu\Main\tbb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2500
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2500 -s 220
    3⤵
    - Program crash
    PID:2484

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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