dridex | 58ffaffc485e45908150b44ad4afb00aa5417162229c34ea303d89c3be328da0

Analysis

max time kernel
171s
max time network
137s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-03-2024 10:44

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General

Target

bb1016ab536446c5a512878ddcdd16b6.dll
Size

188KB
MD5

bb1016ab536446c5a512878ddcdd16b6
SHA1

4b0a6534dd4b1ac57d241b4facf4973f01e00cf6
SHA256

58ffaffc485e45908150b44ad4afb00aa5417162229c34ea303d89c3be328da0
SHA512

9c535870557471db555e13298710fe413cf576013ecc61b4d4b188e1a3cf797e74d3386e395e5f5011902c01cc58496f0cbdf6f3af3ec9a665c901e538fa931e
SSDEEP

3072:yH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViWY7dU:yUua/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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2660-0-0x00000000754B0000-0x00000000754E0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3012	2660	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 2660	2076	rundll32.exe	28
PID 2076 wrote to memory of 2660	2076	rundll32.exe	28
PID 2076 wrote to memory of 2660	2076	rundll32.exe	28
PID 2076 wrote to memory of 2660	2076	rundll32.exe	28
PID 2076 wrote to memory of 2660	2076	rundll32.exe	28
PID 2076 wrote to memory of 2660	2076	rundll32.exe	28
PID 2076 wrote to memory of 2660	2076	rundll32.exe	28
PID 2660 wrote to memory of 3012	2660	rundll32.exe	30
PID 2660 wrote to memory of 3012	2660	rundll32.exe	30
PID 2660 wrote to memory of 3012	2660	rundll32.exe	30
PID 2660 wrote to memory of 3012	2660	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb1016ab536446c5a512878ddcdd16b6.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bb1016ab536446c5a512878ddcdd16b6.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2660
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2660 -s 308
    3⤵
    - Program crash
    PID:3012

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2660-0-0x00000000754B0000-0x00000000754E0000-memory.dmp

Filesize
192KB

Download
memory/2660-1-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

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