dridex | 2bbfd924dde39879eb5e503d654adb8855f76f882495b0f533a74b872c6c9d81

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
05/01/2024, 11:53

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General

Target

27623cf48510c9f03ecf92f0cf2fea8c.dll
Size

188KB
MD5

27623cf48510c9f03ecf92f0cf2fea8c
SHA1

ecf8d18f4964807d0715b5225f4911fb8daa51fb
SHA256

2bbfd924dde39879eb5e503d654adb8855f76f882495b0f533a74b872c6c9d81
SHA512

0f69f8e43d3535acd0ec22926f8b0c58936ed90d51f81c57b19a50eb12db21019c0bf4cff088565fd9614517cf9e1f8cbd20aa3224724f1d6f97e4ed355f9e44
SSDEEP

3072:pA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoyo:pzIqATVfQeV2FZalKq6jtGJWuTmd

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/2392-0-0x0000000074B90000-0x0000000074BC0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1860	2392	WerFault.exe	21

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2392	3056	rundll32.exe	21
PID 3056 wrote to memory of 2392	3056	rundll32.exe	21
PID 3056 wrote to memory of 2392	3056	rundll32.exe	21
PID 3056 wrote to memory of 2392	3056	rundll32.exe	21
PID 3056 wrote to memory of 2392	3056	rundll32.exe	21
PID 3056 wrote to memory of 2392	3056	rundll32.exe	21
PID 3056 wrote to memory of 2392	3056	rundll32.exe	21
PID 2392 wrote to memory of 1860	2392	rundll32.exe	29
PID 2392 wrote to memory of 1860	2392	rundll32.exe	29
PID 2392 wrote to memory of 1860	2392	rundll32.exe	29
PID 2392 wrote to memory of 1860	2392	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\27623cf48510c9f03ecf92f0cf2fea8c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\27623cf48510c9f03ecf92f0cf2fea8c.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 308
    3⤵
    - Program crash
    PID:1860

Network

MITRE ATT&CK Matrix

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Downloads

memory/2392-0-0x0000000074B90000-0x0000000074BC0000-memory.dmp

Filesize
192KB

Download
memory/2392-1-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

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