dridex | 36f1d39b2a7ef6effd3f6a133ecf007d7fd61ffdd606f097d4c9aebea90370b3

Analysis

max time kernel
141s
max time network
126s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
20-03-2024 20:47

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General

Target

d9c93cc7e2f30976dd4cd09d29db6c64.dll
Size

188KB
MD5

d9c93cc7e2f30976dd4cd09d29db6c64
SHA1

35dfbe4b59ddf15160f7d8427480a0e9fdd87f18
SHA256

36f1d39b2a7ef6effd3f6a133ecf007d7fd61ffdd606f097d4c9aebea90370b3
SHA512

b8607c9f29ccc35b5f5548d993ae1fb583dfa0f2e6928daaa082b166309593c0bdaeee4acdc410abcfaacc0e217d23748eba60c31220b5c4a0418c6cf514589b
SSDEEP

3072:rA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAomo:rzIqATVfQeV2FZalKq6jtGJWuTmd

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/2400-0-0x0000000074A20000-0x0000000074A50000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3068 2400 WerFault.exe rundll32.exe

pid	pid_target	process	target process
3068	2400	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2112 wrote to memory of 2400	2112	rundll32.exe	rundll32.exe
PID 2112 wrote to memory of 2400	2112	rundll32.exe	rundll32.exe
PID 2112 wrote to memory of 2400	2112	rundll32.exe	rundll32.exe
PID 2112 wrote to memory of 2400	2112	rundll32.exe	rundll32.exe
PID 2112 wrote to memory of 2400	2112	rundll32.exe	rundll32.exe
PID 2112 wrote to memory of 2400	2112	rundll32.exe	rundll32.exe
PID 2112 wrote to memory of 2400	2112	rundll32.exe	rundll32.exe
PID 2400 wrote to memory of 3068	2400	rundll32.exe	WerFault.exe
PID 2400 wrote to memory of 3068	2400	rundll32.exe	WerFault.exe
PID 2400 wrote to memory of 3068	2400	rundll32.exe	WerFault.exe
PID 2400 wrote to memory of 3068	2400	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d9c93cc7e2f30976dd4cd09d29db6c64.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2112

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d9c93cc7e2f30976dd4cd09d29db6c64.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2400 -s 308
3⤵
- Program crash
PID:3068

MITRE ATT&CK Matrix

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Downloads

memory/2400-0-0x0000000074A20000-0x0000000074A50000-memory.dmp

Filesize
192KB

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memory/2400-1-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

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