dridex | c6427e44b96fdbaf9a0d42bf6fbd6e8d248a01322a6a81a199d5f547b82d78af

Analysis

max time kernel
142s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25-03-2024 16:37

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General

Target

de74a32cedb42b6ee5bf103012327282.dll
Size

188KB
MD5

de74a32cedb42b6ee5bf103012327282
SHA1

2a5db082bc334905a553c7115593cf6f59520ba6
SHA256

c6427e44b96fdbaf9a0d42bf6fbd6e8d248a01322a6a81a199d5f547b82d78af
SHA512

ed08c7f6e3fa8bcfca8a9e3ef61c2d5ef2a83d9c394bd50e9bbb60c069b593483538d242012d15728acd7a10ce21eb6c5422de6fdec2fc590c0940b3e1f46a4d
SSDEEP

3072:nA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo6o:nzIqATVfQeV2FZalKq6jtGJWuTmd

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

Processes:

resource	yara_rule
behavioral1/memory/2012-1-0x0000000074B10000-0x0000000074B40000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2524 2012 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2524	2012	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2256 wrote to memory of 2012	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 2012	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 2012	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 2012	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 2012	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 2012	2256	rundll32.exe	rundll32.exe
PID 2256 wrote to memory of 2012	2256	rundll32.exe	rundll32.exe
PID 2012 wrote to memory of 2524	2012	rundll32.exe	WerFault.exe
PID 2012 wrote to memory of 2524	2012	rundll32.exe	WerFault.exe
PID 2012 wrote to memory of 2524	2012	rundll32.exe	WerFault.exe
PID 2012 wrote to memory of 2524	2012	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\de74a32cedb42b6ee5bf103012327282.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\de74a32cedb42b6ee5bf103012327282.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 308
3⤵
- Program crash
PID:2524

MITRE ATT&CK Matrix

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Downloads

memory/2012-0-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/2012-1-0x0000000074B10000-0x0000000074B40000-memory.dmp

Filesize
192KB

Download
memory/2012-4-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download