dridex | 0e635490d9ce847d1926079bb73008d8f5b46a319a9b4f4b92a5ae49f96ae237

Analysis

max time kernel
142s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-03-2024 17:38

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General

Target

d9681e61c1d32adba752a654a5585831.dll
Size

188KB
MD5

d9681e61c1d32adba752a654a5585831
SHA1

86f49e97fa9aab459e126d9bf70b1456932a3dae
SHA256

0e635490d9ce847d1926079bb73008d8f5b46a319a9b4f4b92a5ae49f96ae237
SHA512

ae71812dfcf2b3100729e6a5df8b4c1368aea1b6cc0a7194c5d3b2c39d75d4f770b8aac5de89c2cc61fde5d368c3a4c2e970874833303c726625f6122f50ee70
SSDEEP

3072:nA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoQo: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/2272-0-0x0000000075050000-0x0000000075080000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2800 2272 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2800	2272	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2772 wrote to memory of 2272	2772	rundll32.exe	rundll32.exe
PID 2772 wrote to memory of 2272	2772	rundll32.exe	rundll32.exe
PID 2772 wrote to memory of 2272	2772	rundll32.exe	rundll32.exe
PID 2772 wrote to memory of 2272	2772	rundll32.exe	rundll32.exe
PID 2772 wrote to memory of 2272	2772	rundll32.exe	rundll32.exe
PID 2772 wrote to memory of 2272	2772	rundll32.exe	rundll32.exe
PID 2772 wrote to memory of 2272	2772	rundll32.exe	rundll32.exe
PID 2272 wrote to memory of 2800	2272	rundll32.exe	WerFault.exe
PID 2272 wrote to memory of 2800	2272	rundll32.exe	WerFault.exe
PID 2272 wrote to memory of 2800	2272	rundll32.exe	WerFault.exe
PID 2272 wrote to memory of 2800	2272	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d9681e61c1d32adba752a654a5585831.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2772

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d9681e61c1d32adba752a654a5585831.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 308
3⤵
- Program crash
PID:2800

MITRE ATT&CK Matrix

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Downloads

memory/2272-1-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2272-0-0x0000000075050000-0x0000000075080000-memory.dmp

Filesize
192KB

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