dridex | a33475758b227abddac2e65201f9629b242b7c862886459b278143b15098d906

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18/01/2024, 18:06

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General

Target

65ae8d1251501d4162474ceddec5acb3.dll
Size

188KB
MD5

65ae8d1251501d4162474ceddec5acb3
SHA1

e7a552bd579de530e178d27584f3c4e1a7443b9d
SHA256

a33475758b227abddac2e65201f9629b242b7c862886459b278143b15098d906
SHA512

742c4163ee2b93a451a779638885e5725574c2b921845852622b30a4e1536831ce03f5167e1c7a7b8225c23af75832d2de9a456d97b259f6c2e77f9fcfe38b6e
SSDEEP

3072:EH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViW+7dU:EUua/Pv7YNhRIEZDeXVpAxtMsxK

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/2804-0-0x0000000074F80000-0x0000000074FB0000-memory.dmp	dridex_ldr
behavioral1/memory/2804-2-0x0000000074F80000-0x0000000074FB0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2708	2804	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2804	2460	rundll32.exe	28
PID 2460 wrote to memory of 2804	2460	rundll32.exe	28
PID 2460 wrote to memory of 2804	2460	rundll32.exe	28
PID 2460 wrote to memory of 2804	2460	rundll32.exe	28
PID 2460 wrote to memory of 2804	2460	rundll32.exe	28
PID 2460 wrote to memory of 2804	2460	rundll32.exe	28
PID 2460 wrote to memory of 2804	2460	rundll32.exe	28
PID 2804 wrote to memory of 2708	2804	rundll32.exe	29
PID 2804 wrote to memory of 2708	2804	rundll32.exe	29
PID 2804 wrote to memory of 2708	2804	rundll32.exe	29
PID 2804 wrote to memory of 2708	2804	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\65ae8d1251501d4162474ceddec5acb3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\65ae8d1251501d4162474ceddec5acb3.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2804
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2804 -s 300
    3⤵
    - Program crash
    PID:2708

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2804-0-0x0000000074F80000-0x0000000074FB0000-memory.dmp

Filesize
192KB

Download
memory/2804-1-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

Download
memory/2804-2-0x0000000074F80000-0x0000000074FB0000-memory.dmp

Filesize
192KB

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