dridex | a6f35ee75e81bc7cec2e73302f3878837835c8cba79d5ca5ce094508708bfe17

Analysis

max time kernel
142s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 19:42

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General

Target

755a1b8f3303bbe40e318f03fa0d5df1.dll
Size

184KB
MD5

755a1b8f3303bbe40e318f03fa0d5df1
SHA1

9cdcb059ba83d68fd0211fb96a39c806b7119acc
SHA256

a6f35ee75e81bc7cec2e73302f3878837835c8cba79d5ca5ce094508708bfe17
SHA512

2ab60bac702c5c72b894579f22556b29b2be449b3774f942e41f0c0cb9ddd740d6e9bd1d9b5e804f9863c4cb21e48cf27ec05dd316602e04b67ded586fd768fc
SSDEEP

3072:ypBt4RUnGdP8IEQXzCPzA6TkHZ2pClbpU9q3XpO9adx1Gyy8EG+pt5Mla0:ypj4anGdSu2b020lbpOApO9+x10lG+pq

Score

10^/10

dridex 22203 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22203

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/2300-0-0x0000000074FC0000-0x0000000074FF0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2448 2300 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2448	2300	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2504 wrote to memory of 2300	2504	rundll32.exe	rundll32.exe
PID 2504 wrote to memory of 2300	2504	rundll32.exe	rundll32.exe
PID 2504 wrote to memory of 2300	2504	rundll32.exe	rundll32.exe
PID 2504 wrote to memory of 2300	2504	rundll32.exe	rundll32.exe
PID 2504 wrote to memory of 2300	2504	rundll32.exe	rundll32.exe
PID 2504 wrote to memory of 2300	2504	rundll32.exe	rundll32.exe
PID 2504 wrote to memory of 2300	2504	rundll32.exe	rundll32.exe
PID 2300 wrote to memory of 2448	2300	rundll32.exe	WerFault.exe
PID 2300 wrote to memory of 2448	2300	rundll32.exe	WerFault.exe
PID 2300 wrote to memory of 2448	2300	rundll32.exe	WerFault.exe
PID 2300 wrote to memory of 2448	2300	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\755a1b8f3303bbe40e318f03fa0d5df1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2504

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\755a1b8f3303bbe40e318f03fa0d5df1.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 288
3⤵
- Program crash
PID:2448

MITRE ATT&CK Matrix

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Downloads

memory/2300-0-0x0000000074FC0000-0x0000000074FF0000-memory.dmp

Filesize
192KB

Download
memory/2300-1-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download