dded292ef2ab0593c21e5ce653cf36c4165ec5ecd30d9366dc24c3f3e294c960

Analysis

max time kernel
143s
max time network
132s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 17:03

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General

Target

bin/bidib.dll
Size

878KB
MD5

dce8438bf9f8a4d204af79abc2bd9db2
SHA1

995350d43539faec5ded499ed04fbc66d315ab11
SHA256

3f6c385294e58da8eee6482dd777155e4b0823459e6077604a40f4dba6d2d807
SHA512

95aaf0accba80c3f11e858e41ecb2048ecdf8d6f79a83469666528def8eae69ad6a7f812d4b6b06edc33a23ea55716dbba32bb8c523fd2c5b316fec0fe4e6ea0
SSDEEP

12288:HxM9iSFIJpzurCbpREtgpSowhwFvG0b3uGvr2OQluW:HxM3FIyslbvNQluW

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1988	1208	WerFault.exe	30

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 2292 wrote to memory of 1208	2292	rundll32.exe	30
PID 2292 wrote to memory of 1208	2292	rundll32.exe	30
PID 2292 wrote to memory of 1208	2292	rundll32.exe	30
PID 2292 wrote to memory of 1208	2292	rundll32.exe	30
PID 2292 wrote to memory of 1208	2292	rundll32.exe	30
PID 2292 wrote to memory of 1208	2292	rundll32.exe	30
PID 2292 wrote to memory of 1208	2292	rundll32.exe	30
PID 1208 wrote to memory of 1988	1208	rundll32.exe	31
PID 1208 wrote to memory of 1988	1208	rundll32.exe	31
PID 1208 wrote to memory of 1988	1208	rundll32.exe	31
PID 1208 wrote to memory of 1988	1208	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\bidib.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bin\bidib.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1208
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 244
    3⤵
    - Program crash
    PID:1988

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

Replay Monitor

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Downloads

memory/1208-0-0x00000000643C0000-0x00000000644A6000-memory.dmp

Filesize
920KB

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