6ca130ba72f20992d5755b69cd67a807c86bd7884ae4e3dc5440dd668ad1a583

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
20-08-2024 17:57

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General

Target

mircciOper/tbwin.dll
Size

25KB
MD5

020145a70e97d7eed4ec42c928d649b3
SHA1

c8ff58a026d93840208e134e9ba39253d16574c7
SHA256

5280164143d0a28a5d0ce575d6d9c87e35851dba62b00d144e415b2fe62461c5
SHA512

2d215e48e8791be9e94478b661149faaf1b49493b6f3fc7c7980fc2dbd22dadda59b3776dacfc76464a7a495f1a17c30d801ba7f0b52a7ea77398afecc802d55
SSDEEP

384:B6+dk+CyqM+7Q1szyezdAySqHBC+8pQk7QYaBJZns7My+jFQI3CUtztcqEXUD:B7O+Rq7E1sz79C+37ZyDGCwq7

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2300	2992	WerFault.exe	29

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 2928 wrote to memory of 2992	2928	rundll32.exe	29
PID 2928 wrote to memory of 2992	2928	rundll32.exe	29
PID 2928 wrote to memory of 2992	2928	rundll32.exe	29
PID 2928 wrote to memory of 2992	2928	rundll32.exe	29
PID 2928 wrote to memory of 2992	2928	rundll32.exe	29
PID 2928 wrote to memory of 2992	2928	rundll32.exe	29
PID 2928 wrote to memory of 2992	2928	rundll32.exe	29
PID 2992 wrote to memory of 2300	2992	rundll32.exe	30
PID 2992 wrote to memory of 2300	2992	rundll32.exe	30
PID 2992 wrote to memory of 2300	2992	rundll32.exe	30
PID 2992 wrote to memory of 2300	2992	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\mircciOper\tbwin.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\mircciOper\tbwin.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 228
    3⤵
    - Program crash
    PID:2300

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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