dridex | 558fd944053c58d551a1c7d6722dc0fc4cb2687d64cf5c39479ecd826905f58f

Analysis

max time kernel
142s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 09:40

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General

Target

8c011d530f4df962451e86e50d88877d.dll
Size

188KB
MD5

8c011d530f4df962451e86e50d88877d
SHA1

3cf76ffba5e047a2839ca11f39e2c731a6d25fbb
SHA256

558fd944053c58d551a1c7d6722dc0fc4cb2687d64cf5c39479ecd826905f58f
SHA512

8575d951f21f4924525128f44d3a95ddecf889639fad444937fd139d216e6679fa71f9e1501ebf3ef18e729f5059c5cad03fa8239692d1e52cf95532dbeada2b
SSDEEP

3072:CH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViWZ7dU:CUua/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/1424-0-0x0000000074D10000-0x0000000074D40000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2680	1424	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 1424	1932	rundll32.exe	28
PID 1932 wrote to memory of 1424	1932	rundll32.exe	28
PID 1932 wrote to memory of 1424	1932	rundll32.exe	28
PID 1932 wrote to memory of 1424	1932	rundll32.exe	28
PID 1932 wrote to memory of 1424	1932	rundll32.exe	28
PID 1932 wrote to memory of 1424	1932	rundll32.exe	28
PID 1932 wrote to memory of 1424	1932	rundll32.exe	28
PID 1424 wrote to memory of 2680	1424	rundll32.exe	29
PID 1424 wrote to memory of 2680	1424	rundll32.exe	29
PID 1424 wrote to memory of 2680	1424	rundll32.exe	29
PID 1424 wrote to memory of 2680	1424	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c011d530f4df962451e86e50d88877d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8c011d530f4df962451e86e50d88877d.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1424
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 308
    3⤵
    - Program crash
    PID:2680

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1424-0-0x0000000074D10000-0x0000000074D40000-memory.dmp

Filesize
192KB

Download
memory/1424-1-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

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