dridex | 4d0e46ce91ed62495a1612c0f2019cfc7583bb19451ee4167f922d4faa00a4cd

Analysis

max time kernel
140s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
12-04-2024 05:09

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General

Target

ef332641dfc4c6b919a8a509bd79cadf_JaffaCakes118.dll
Size

188KB
MD5

ef332641dfc4c6b919a8a509bd79cadf
SHA1

bbd9bc3482fa01e7ea56895b3c58a5b13f482135
SHA256

4d0e46ce91ed62495a1612c0f2019cfc7583bb19451ee4167f922d4faa00a4cd
SHA512

3027e11834846d347294f502d68ddf538348f8d9e3b02dcae8fb25f2c48d26427d98a433be1bb0889d4db446c67221bb8834f78c027b9b2bd5d68fe7f381b606
SSDEEP

3072:JA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoBo:JzIqATVfQeV2FZalKq6jtGJWuTmd

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/2212-0-0x0000000074F80000-0x0000000074FB0000-memory.dmp	dridex_ldr
behavioral1/memory/2212-2-0x0000000074F80000-0x0000000074FB0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2216 2212 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2216	2212	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 3060 wrote to memory of 2212	3060	rundll32.exe	rundll32.exe
PID 3060 wrote to memory of 2212	3060	rundll32.exe	rundll32.exe
PID 3060 wrote to memory of 2212	3060	rundll32.exe	rundll32.exe
PID 3060 wrote to memory of 2212	3060	rundll32.exe	rundll32.exe
PID 3060 wrote to memory of 2212	3060	rundll32.exe	rundll32.exe
PID 3060 wrote to memory of 2212	3060	rundll32.exe	rundll32.exe
PID 3060 wrote to memory of 2212	3060	rundll32.exe	rundll32.exe
PID 2212 wrote to memory of 2216	2212	rundll32.exe	WerFault.exe
PID 2212 wrote to memory of 2216	2212	rundll32.exe	WerFault.exe
PID 2212 wrote to memory of 2216	2212	rundll32.exe	WerFault.exe
PID 2212 wrote to memory of 2216	2212	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef332641dfc4c6b919a8a509bd79cadf_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3060

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef332641dfc4c6b919a8a509bd79cadf_JaffaCakes118.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 300
3⤵
- Program crash
PID:2216

MITRE ATT&CK Matrix

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Downloads

memory/2212-0-0x0000000074F80000-0x0000000074FB0000-memory.dmp

Filesize
192KB

Download
memory/2212-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2212-2-0x0000000074F80000-0x0000000074FB0000-memory.dmp

Filesize
192KB

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