dridex | 8c5ac4a843b495f16c7ef8240b7db35fbceb4f4e8da3a66277841f8c4093e34a

Analysis

max time kernel
143s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27-03-2024 08:45

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General

Target

e1423f2df81e46dc3e08ae1b68d291fe.dll
Size

188KB
MD5

e1423f2df81e46dc3e08ae1b68d291fe
SHA1

c1adf5fc86647efd4056851f8e2f46278ce8b372
SHA256

8c5ac4a843b495f16c7ef8240b7db35fbceb4f4e8da3a66277841f8c4093e34a
SHA512

78a0ed5f57f092905224f975e0dadd51e5ec813f138dab7aab3323e6d67d3eb84bff2bab1655590f0ff1e1a12bad172b3e8d59f29c43bdbce305b1379725d2bd
SSDEEP

3072:tA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoXo:tzIqATVfQeV2FZalKq6jtGJWuTmd

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/2360-0-0x0000000075170000-0x00000000751A0000-memory.dmp	dridex_ldr
behavioral1/memory/2360-2-0x0000000075170000-0x00000000751A0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2128 2360 WerFault.exe rundll32.exe

pid	pid_target	process	target process
2128	2360	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1444 wrote to memory of 2360	1444	rundll32.exe	rundll32.exe
PID 1444 wrote to memory of 2360	1444	rundll32.exe	rundll32.exe
PID 1444 wrote to memory of 2360	1444	rundll32.exe	rundll32.exe
PID 1444 wrote to memory of 2360	1444	rundll32.exe	rundll32.exe
PID 1444 wrote to memory of 2360	1444	rundll32.exe	rundll32.exe
PID 1444 wrote to memory of 2360	1444	rundll32.exe	rundll32.exe
PID 1444 wrote to memory of 2360	1444	rundll32.exe	rundll32.exe
PID 2360 wrote to memory of 2128	2360	rundll32.exe	WerFault.exe
PID 2360 wrote to memory of 2128	2360	rundll32.exe	WerFault.exe
PID 2360 wrote to memory of 2128	2360	rundll32.exe	WerFault.exe
PID 2360 wrote to memory of 2128	2360	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1423f2df81e46dc3e08ae1b68d291fe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1444

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1423f2df81e46dc3e08ae1b68d291fe.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 308
3⤵
- Program crash
PID:2128

MITRE ATT&CK Matrix

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Downloads

memory/2360-0-0x0000000075170000-0x00000000751A0000-memory.dmp

Filesize
192KB

Download
memory/2360-1-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2360-2-0x0000000075170000-0x00000000751A0000-memory.dmp

Filesize
192KB

Download