dridex | 1e3e45823d089dd881671f2b0a7e2033ebf84d8c14d3124a465300907bdd5c64

Analysis

max time kernel
142s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17-04-2024 04:03

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General

Target

f4fe2037be0e819548242e7a5b1f8b7e_JaffaCakes118.dll
Size

184KB
MD5

f4fe2037be0e819548242e7a5b1f8b7e
SHA1

3fa09aeb1f1c23aebbba95fa4e5b0cb8d96c229c
SHA256

1e3e45823d089dd881671f2b0a7e2033ebf84d8c14d3124a465300907bdd5c64
SHA512

5c0a492d0893d79347e2c3962d4a66dbf21398e789ae14b771e939cb1d79db59fa47d87506401cf56400050bf7a9abffbc142dbd919dd1d3c0868388e758ee30
SSDEEP

3072:mhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JYVQcY:m3fOeIv54W6SFKfc9me9v9/JYV

Score

10^/10

dridex 22201 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

22201

51.79.50.122:443

222.124.142.67:10443

138.201.222.158:4664

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/2928-0-0x0000000075490000-0x00000000754C0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2696 2928 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2696	2928	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2756 wrote to memory of 2928	2756	rundll32.exe	rundll32.exe
PID 2756 wrote to memory of 2928	2756	rundll32.exe	rundll32.exe
PID 2756 wrote to memory of 2928	2756	rundll32.exe	rundll32.exe
PID 2756 wrote to memory of 2928	2756	rundll32.exe	rundll32.exe
PID 2756 wrote to memory of 2928	2756	rundll32.exe	rundll32.exe
PID 2756 wrote to memory of 2928	2756	rundll32.exe	rundll32.exe
PID 2756 wrote to memory of 2928	2756	rundll32.exe	rundll32.exe
PID 2928 wrote to memory of 2696	2928	rundll32.exe	WerFault.exe
PID 2928 wrote to memory of 2696	2928	rundll32.exe	WerFault.exe
PID 2928 wrote to memory of 2696	2928	rundll32.exe	WerFault.exe
PID 2928 wrote to memory of 2696	2928	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4fe2037be0e819548242e7a5b1f8b7e_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2756

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f4fe2037be0e819548242e7a5b1f8b7e_JaffaCakes118.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 288
3⤵
- Program crash
PID:2696

MITRE ATT&CK Matrix

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Downloads

memory/2928-0-0x0000000075490000-0x00000000754C0000-memory.dmp

Filesize
192KB

Download
memory/2928-1-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download