dridex | 5dc64df3cca54165dc493a27a09243962a8c52c3f2a4118b24f620914f2a9f38

Analysis

max time kernel
51s
max time network
47s
platform
windows7_x64
resource
win7-20220414-en
submitted
11-06-2022 16:51

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General

Target

OfaKFkkklgbtq.dll
Size

512KB
MD5

3e17c7d3afa01e26d7f56215da2472ed
SHA1

0195707de8e8b383c779e898b346cd8612ead5bb
SHA256

5dc64df3cca54165dc493a27a09243962a8c52c3f2a4118b24f620914f2a9f38
SHA512

d555c9a761213492af7bdf1eb3ec37191715f40c23a3e2f3883c117c719c77c680b7e1550c689d04bd371656327e3d74c16ac0487d388c84c265879063182834

Score

10^/10

dridex 22203 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22203

51.159.52.196:443

134.209.247.135:6602

194.233.68.48:5228

89.31.56.58:593

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

Processes:

resource	yara_rule
behavioral1/memory/1372-57-0x0000000074D40000-0x0000000074DC1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1088 1372 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1088	1372	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1712 wrote to memory of 1372	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1372	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1372	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1372	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1372	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1372	1712	rundll32.exe	rundll32.exe
PID 1712 wrote to memory of 1372	1712	rundll32.exe	rundll32.exe
PID 1372 wrote to memory of 1088	1372	rundll32.exe	WerFault.exe
PID 1372 wrote to memory of 1088	1372	rundll32.exe	WerFault.exe
PID 1372 wrote to memory of 1088	1372	rundll32.exe	WerFault.exe
PID 1372 wrote to memory of 1088	1372	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\OfaKFkkklgbtq.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1712

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\OfaKFkkklgbtq.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 300
3⤵
- Program crash
PID:1088

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1088-59-0x0000000000000000-mapping.dmp

Download
memory/1372-54-0x0000000000000000-mapping.dmp

Download
memory/1372-55-0x00000000763E1000-0x00000000763E3000-memory.dmp

Filesize
8KB

Download
memory/1372-56-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1372-57-0x0000000074D40000-0x0000000074DC1000-memory.dmp

Filesize
516KB

Download
memory/1372-60-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download