dridex | 3b5bf08a2a7b2971f46ec71939534331141c071fdd01b7500548b37a1be08712

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 16:54

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General

Target

75056b4f7b23ae26c9767d50c1241738.dll
Size

184KB
MD5

75056b4f7b23ae26c9767d50c1241738
SHA1

d32b7dcdc81cee324bc147319e656d0937cf4c91
SHA256

3b5bf08a2a7b2971f46ec71939534331141c071fdd01b7500548b37a1be08712
SHA512

62253808f427e7afa90deae3ce3f50e631a8f8cca2e6bd01ae25a46684ff323298d429025a433ec194cc007573acc7543d1704ad07f189175b17817d133c7621
SSDEEP

3072:Ihd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JFVQcY:I3fOeIv54W6SFKfc9me9v9/JFV

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

51.79.50.122:443

222.124.142.67:10443

138.201.222.158:4664

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/1692-0-0x0000000074DD0000-0x0000000074E00000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1908 1692 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1908	1692	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2848 wrote to memory of 1692	2848	rundll32.exe	rundll32.exe
PID 2848 wrote to memory of 1692	2848	rundll32.exe	rundll32.exe
PID 2848 wrote to memory of 1692	2848	rundll32.exe	rundll32.exe
PID 2848 wrote to memory of 1692	2848	rundll32.exe	rundll32.exe
PID 2848 wrote to memory of 1692	2848	rundll32.exe	rundll32.exe
PID 2848 wrote to memory of 1692	2848	rundll32.exe	rundll32.exe
PID 2848 wrote to memory of 1692	2848	rundll32.exe	rundll32.exe
PID 1692 wrote to memory of 1908	1692	rundll32.exe	WerFault.exe
PID 1692 wrote to memory of 1908	1692	rundll32.exe	WerFault.exe
PID 1692 wrote to memory of 1908	1692	rundll32.exe	WerFault.exe
PID 1692 wrote to memory of 1908	1692	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\75056b4f7b23ae26c9767d50c1241738.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2848

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\75056b4f7b23ae26c9767d50c1241738.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1692 -s 280
3⤵
- Program crash
PID:1908

MITRE ATT&CK Matrix

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Downloads

memory/1692-0-0x0000000074DD0000-0x0000000074E00000-memory.dmp

Filesize
192KB

Download
memory/1692-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download