dridex | 9b65acfa15c9a0e5b4a2d927ec8cc2270b8f7ca51c6bfe15f3f50153bdb2cd44

Analysis

max time kernel
142s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-03-2024 19:29

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General

Target

dfec8af3dbe9e26638cf1f17f7236145.dll
Size

188KB
MD5

dfec8af3dbe9e26638cf1f17f7236145
SHA1

48dc86829a097d02b293a612faf383eccf41d4b2
SHA256

9b65acfa15c9a0e5b4a2d927ec8cc2270b8f7ca51c6bfe15f3f50153bdb2cd44
SHA512

ed897f45170c9924fc3490a994a050632b6e9afb024717f76da686259fd0128e2074dd1968387052385182085cb9a4147af79ce75c2f9e3fb86c13444f93009a
SSDEEP

3072:EA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoEo:EzIqATVfQeV2FZalKq6jtGJWuTmd

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1736-0-0x00000000745F0000-0x0000000074620000-memory.dmp	dridex_ldr
behavioral1/memory/1736-2-0x00000000745F0000-0x0000000074620000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2212 1736 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2212	1736	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1928 wrote to memory of 1736	1928	rundll32.exe	rundll32.exe
PID 1928 wrote to memory of 1736	1928	rundll32.exe	rundll32.exe
PID 1928 wrote to memory of 1736	1928	rundll32.exe	rundll32.exe
PID 1928 wrote to memory of 1736	1928	rundll32.exe	rundll32.exe
PID 1928 wrote to memory of 1736	1928	rundll32.exe	rundll32.exe
PID 1928 wrote to memory of 1736	1928	rundll32.exe	rundll32.exe
PID 1928 wrote to memory of 1736	1928	rundll32.exe	rundll32.exe
PID 1736 wrote to memory of 2212	1736	rundll32.exe	WerFault.exe
PID 1736 wrote to memory of 2212	1736	rundll32.exe	WerFault.exe
PID 1736 wrote to memory of 2212	1736	rundll32.exe	WerFault.exe
PID 1736 wrote to memory of 2212	1736	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dfec8af3dbe9e26638cf1f17f7236145.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dfec8af3dbe9e26638cf1f17f7236145.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 308
3⤵
- Program crash
PID:2212

MITRE ATT&CK Matrix

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Downloads

memory/1736-0-0x00000000745F0000-0x0000000074620000-memory.dmp

Filesize
192KB

Download
memory/1736-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1736-2-0x00000000745F0000-0x0000000074620000-memory.dmp

Filesize
192KB

Download