dridex | d82cb7ee67f41d1b4c10fe39ff7e9f8ce13a73903b5fbb34f4957185c915ba43

Analysis

max time kernel
141s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 06:00

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General

Target

108cdc896c97747b395fd96dc4c9736c.dll
Size

188KB
MD5

108cdc896c97747b395fd96dc4c9736c
SHA1

0e29e89a9ec97486519ce1f1dd0878506d81149d
SHA256

d82cb7ee67f41d1b4c10fe39ff7e9f8ce13a73903b5fbb34f4957185c915ba43
SHA512

15d89533439bce30689a687c187253544c0e345eaed895adc665200a829f2165a06eeb6043a686ae94c47928c06ff7585684ae0c5273f3f190db3878c3cdb1aa
SSDEEP

3072:EA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoHo:EzIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/3048-0-0x0000000075270000-0x00000000752A0000-memory.dmp	dridex_ldr
behavioral1/memory/3048-1-0x0000000075270000-0x00000000752A0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2108	3048	WerFault.exe	16

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 3048	3044	rundll32.exe	16
PID 3044 wrote to memory of 3048	3044	rundll32.exe	16
PID 3044 wrote to memory of 3048	3044	rundll32.exe	16
PID 3044 wrote to memory of 3048	3044	rundll32.exe	16
PID 3044 wrote to memory of 3048	3044	rundll32.exe	16
PID 3044 wrote to memory of 3048	3044	rundll32.exe	16
PID 3044 wrote to memory of 3048	3044	rundll32.exe	16
PID 3048 wrote to memory of 2108	3048	rundll32.exe	29
PID 3048 wrote to memory of 2108	3048	rundll32.exe	29
PID 3048 wrote to memory of 2108	3048	rundll32.exe	29
PID 3048 wrote to memory of 2108	3048	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\108cdc896c97747b395fd96dc4c9736c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\108cdc896c97747b395fd96dc4c9736c.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3048
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 300
    3⤵
    - Program crash
    PID:2108

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3048-0-0x0000000075270000-0x00000000752A0000-memory.dmp

Filesize
192KB

Download
memory/3048-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/3048-1-0x0000000075270000-0x00000000752A0000-memory.dmp

Filesize
192KB

Download