dridex | 99d23b25174684e201f029b80cfd9061ef310a45ea4a26c7af1e4e4d81e35f05

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16-04-2024 08:22

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General

Target

f315032bbc064169239e0d596719cbd4_JaffaCakes118.dll
Size

188KB
MD5

f315032bbc064169239e0d596719cbd4
SHA1

4cb9c0c45fbd4a9b1a9ad5a49af665ff2ccdc6eb
SHA256

99d23b25174684e201f029b80cfd9061ef310a45ea4a26c7af1e4e4d81e35f05
SHA512

67e344a3452437e827fd5e9912e16174dcfc0f9efc49e7af142b6a8296335c5ed578858123c80f46105cc542ff47c32606bfab5f5f61386f5d5d03a2bf4e082b
SSDEEP

3072:zA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoyo:zzIqATVfQeV2FZalKq6jtGJWuTmd

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/2188-0-0x0000000075320000-0x0000000075350000-memory.dmp	dridex_ldr
behavioral1/memory/2188-3-0x0000000075320000-0x0000000075350000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1680 2188 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1680	2188	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1968 wrote to memory of 2188	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 2188	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 2188	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 2188	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 2188	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 2188	1968	rundll32.exe	rundll32.exe
PID 1968 wrote to memory of 2188	1968	rundll32.exe	rundll32.exe
PID 2188 wrote to memory of 1680	2188	rundll32.exe	WerFault.exe
PID 2188 wrote to memory of 1680	2188	rundll32.exe	WerFault.exe
PID 2188 wrote to memory of 1680	2188	rundll32.exe	WerFault.exe
PID 2188 wrote to memory of 1680	2188	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f315032bbc064169239e0d596719cbd4_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f315032bbc064169239e0d596719cbd4_JaffaCakes118.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 308
3⤵
- Program crash
PID:1680

MITRE ATT&CK Matrix

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Downloads

memory/2188-0-0x0000000075320000-0x0000000075350000-memory.dmp

Filesize
192KB

Download
memory/2188-2-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2188-3-0x0000000075320000-0x0000000075350000-memory.dmp

Filesize
192KB

Download