dridex | b98be8d2e7d160dacbd6cf682aa3fa9f0a0a68ae2d0f89b25376519f0883e495

Analysis

max time kernel
42s
max time network
46s
platform
windows7_x64
resource
win7-20220414-en
submitted
26-06-2022 06:15

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General

Target

wisr1qas.dll
Size

476KB
MD5

f7703084b13482c646f3851e18d8951a
SHA1

939ff0c3db869fa5656b6905f824fdb69050e43c
SHA256

b98be8d2e7d160dacbd6cf682aa3fa9f0a0a68ae2d0f89b25376519f0883e495
SHA512

1c9e8a129bf0a634582343f14283d5bf152adc58f51230bf288482f49c5605c62b320ae1577571faf039a2b6c070985c251fa0f4a804e1dc98e287f087273498

Score

10^/10

dridex 10444 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

10444

23.246.204.126:443

151.106.39.36:8116

103.124.144.123:6891

172.105.78.60:4664

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/1620-56-0x00000000750C0000-0x0000000075139000-memory.dmp	dridex_ldr

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1672 wrote to memory of 1620	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1620	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1620	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1620	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1620	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1620	1672	rundll32.exe	rundll32.exe
PID 1672 wrote to memory of 1620	1672	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\wisr1qas.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1672

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\wisr1qas.dll,#1
2⤵
PID:1620

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1620-54-0x0000000000000000-mapping.dmp

Download
memory/1620-55-0x0000000075B61000-0x0000000075B63000-memory.dmp

Filesize
8KB

Download
memory/1620-56-0x00000000750C0000-0x0000000075139000-memory.dmp

Filesize
484KB

Download
memory/1620-58-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download