dridex | f763c40797ed3cc8b26e9cfacc6805033aa60c72ec44d3a045fa6c099b91d53b

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-04-2024 09:29

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General

Target

fef91a9cde7dd13e92cee53c3e8b8d83_JaffaCakes118.dll
Size

188KB
MD5

fef91a9cde7dd13e92cee53c3e8b8d83
SHA1

0d4322c8d4d62f53bd158eaec54226dfe3294d35
SHA256

f763c40797ed3cc8b26e9cfacc6805033aa60c72ec44d3a045fa6c099b91d53b
SHA512

8b17d67715471b284ec54abdbbef41cee1764080102a8b3422beee0e1f7da0c4bae97f1b8f57f58feba1b12186eeaeb43695fd8f76f1d349e46ba68121887484
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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/1652-0-0x0000000074E70000-0x0000000074EA0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1724 1652 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1724	1652	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2112 wrote to memory of 1652	2112	rundll32.exe	rundll32.exe
PID 2112 wrote to memory of 1652	2112	rundll32.exe	rundll32.exe
PID 2112 wrote to memory of 1652	2112	rundll32.exe	rundll32.exe
PID 2112 wrote to memory of 1652	2112	rundll32.exe	rundll32.exe
PID 2112 wrote to memory of 1652	2112	rundll32.exe	rundll32.exe
PID 2112 wrote to memory of 1652	2112	rundll32.exe	rundll32.exe
PID 2112 wrote to memory of 1652	2112	rundll32.exe	rundll32.exe
PID 1652 wrote to memory of 1724	1652	rundll32.exe	WerFault.exe
PID 1652 wrote to memory of 1724	1652	rundll32.exe	WerFault.exe
PID 1652 wrote to memory of 1724	1652	rundll32.exe	WerFault.exe
PID 1652 wrote to memory of 1724	1652	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fef91a9cde7dd13e92cee53c3e8b8d83_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2112

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fef91a9cde7dd13e92cee53c3e8b8d83_JaffaCakes118.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 304
3⤵
- Program crash
PID:1724

MITRE ATT&CK Matrix

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Downloads

memory/1652-0-0x0000000074E70000-0x0000000074EA0000-memory.dmp

Filesize
192KB

Download
memory/1652-1-0x00000000000E0000-0x00000000000E6000-memory.dmp

Filesize
24KB

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