dridex | e63513ecf3cf8fb2af387316a321e729f0a5945ae5c908ababf97e438059b312

Analysis

max time kernel
141s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13/03/2024, 05:16 UTC

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General

Target

c5114209cc7a3cf04f44d7ad9f3895ea.dll
Size

188KB
MD5

c5114209cc7a3cf04f44d7ad9f3895ea
SHA1

cca2370e9a69338dc6f08a1b7acede36f370cbd0
SHA256

e63513ecf3cf8fb2af387316a321e729f0a5945ae5c908ababf97e438059b312
SHA512

1a6b5a9147081d7c14b37a8cd153cc7618cf8908f6bc11e70e1c8009755b8319ee016c45463ac9fc16d210d555d30e496bade14d71948a5bdce25f02c9703ec4
SSDEEP

3072:cA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoLo:czIqATVfQeV2FZalKq6jtGJWuTmd

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

1
KyrwRFvnPSJz1K6RG9FGBnfutYq4Kbv0AqNO1y41Jw

rc4.plain

1
aF35v54BafRSuy5kKzAyL5d7iE2gSrPPvsMOuf22FPl0HHQhMRlw8iMYOHxIDusi

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/1232-0-0x0000000074920000-0x0000000074950000-memory.dmp	dridex_ldr
behavioral1/memory/1232-2-0x0000000074920000-0x0000000074950000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1456	1232	WerFault.exe	28

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 1232	2060	rundll32.exe	28
PID 2060 wrote to memory of 1232	2060	rundll32.exe	28
PID 2060 wrote to memory of 1232	2060	rundll32.exe	28
PID 2060 wrote to memory of 1232	2060	rundll32.exe	28
PID 2060 wrote to memory of 1232	2060	rundll32.exe	28
PID 2060 wrote to memory of 1232	2060	rundll32.exe	28
PID 2060 wrote to memory of 1232	2060	rundll32.exe	28
PID 1232 wrote to memory of 1456	1232	rundll32.exe	29
PID 1232 wrote to memory of 1456	1232	rundll32.exe	29
PID 1232 wrote to memory of 1456	1232	rundll32.exe	29
PID 1232 wrote to memory of 1456	1232	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c5114209cc7a3cf04f44d7ad9f3895ea.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c5114209cc7a3cf04f44d7ad9f3895ea.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1232
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1232 -s 308
    3⤵
    - Program crash
    PID:1456

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1232-0-0x0000000074920000-0x0000000074950000-memory.dmp

Filesize
192KB

Download
memory/1232-1-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1232-2-0x0000000074920000-0x0000000074950000-memory.dmp

Filesize
192KB

Download