dridex | 33cd0ee5732acb79180b76274830d580eb63b8dbc94a42e2d180a08853cda737

Analysis

max time kernel
141s
max time network
119s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 11:42

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General

Target

fcb0f993ee25d058d0dc6778d03de3e0_JaffaCakes118.dll
Size

188KB
MD5

fcb0f993ee25d058d0dc6778d03de3e0
SHA1

b631ec36cd6a2990f6cfc56b71eb8157fa5e105d
SHA256

33cd0ee5732acb79180b76274830d580eb63b8dbc94a42e2d180a08853cda737
SHA512

e219863b258f75aadf2b1c9954f382d837197f27331fddff3671a34145479e2db16b0368ab4d7815e634577efe04b456816fd0b86d62638915302dccb8a786bc
SSDEEP

3072:FA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoAo:FzIqATVfQeV2FZalKq6jtGJWuTmd

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/2904-0-0x0000000074660000-0x0000000074690000-memory.dmp	dridex_ldr
behavioral1/memory/2904-3-0x0000000074660000-0x0000000074690000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2584 2904 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2584	2904	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2856 wrote to memory of 2904	2856	rundll32.exe	rundll32.exe
PID 2856 wrote to memory of 2904	2856	rundll32.exe	rundll32.exe
PID 2856 wrote to memory of 2904	2856	rundll32.exe	rundll32.exe
PID 2856 wrote to memory of 2904	2856	rundll32.exe	rundll32.exe
PID 2856 wrote to memory of 2904	2856	rundll32.exe	rundll32.exe
PID 2856 wrote to memory of 2904	2856	rundll32.exe	rundll32.exe
PID 2856 wrote to memory of 2904	2856	rundll32.exe	rundll32.exe
PID 2904 wrote to memory of 2584	2904	rundll32.exe	WerFault.exe
PID 2904 wrote to memory of 2584	2904	rundll32.exe	WerFault.exe
PID 2904 wrote to memory of 2584	2904	rundll32.exe	WerFault.exe
PID 2904 wrote to memory of 2584	2904	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fcb0f993ee25d058d0dc6778d03de3e0_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2856

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fcb0f993ee25d058d0dc6778d03de3e0_JaffaCakes118.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 300
3⤵
- Program crash
PID:2584

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2904-0-0x0000000074660000-0x0000000074690000-memory.dmp

Filesize
192KB

Download
memory/2904-2-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/2904-3-0x0000000074660000-0x0000000074690000-memory.dmp

Filesize
192KB

Download