dridex | 87bdd6b6aac46520ffbc81ba64ee6e1e3ac1ca4c932e80bbab25197df8f5a25c

Analysis

max time kernel
141s
max time network
124s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
27-03-2024 07:26

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General

Target

e11cd9fc46ac3395e54d43304d006157.dll
Size

188KB
MD5

e11cd9fc46ac3395e54d43304d006157
SHA1

81373747a822b334387863cda130b8d9493f474f
SHA256

87bdd6b6aac46520ffbc81ba64ee6e1e3ac1ca4c932e80bbab25197df8f5a25c
SHA512

bcb97d132d8303c575564d029b871640e7bf7e761294cf33da23510eed7a715cfeac0b66fd34554d00c5ba28ce6af24e6abd9a988684b0568f497de0f25d8ea3
SSDEEP

3072:EA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoXo: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/2296-1-0x0000000074BD0000-0x0000000074C00000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1968 2296 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1968	2296	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2788 wrote to memory of 2296	2788	rundll32.exe	rundll32.exe
PID 2788 wrote to memory of 2296	2788	rundll32.exe	rundll32.exe
PID 2788 wrote to memory of 2296	2788	rundll32.exe	rundll32.exe
PID 2788 wrote to memory of 2296	2788	rundll32.exe	rundll32.exe
PID 2788 wrote to memory of 2296	2788	rundll32.exe	rundll32.exe
PID 2788 wrote to memory of 2296	2788	rundll32.exe	rundll32.exe
PID 2788 wrote to memory of 2296	2788	rundll32.exe	rundll32.exe
PID 2296 wrote to memory of 1968	2296	rundll32.exe	WerFault.exe
PID 2296 wrote to memory of 1968	2296	rundll32.exe	WerFault.exe
PID 2296 wrote to memory of 1968	2296	rundll32.exe	WerFault.exe
PID 2296 wrote to memory of 1968	2296	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e11cd9fc46ac3395e54d43304d006157.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2788

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e11cd9fc46ac3395e54d43304d006157.dll,#1
2⤵
- Suspicious use of WriteProcessMemory
PID:2296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 308
3⤵
- Program crash
PID:1968

MITRE ATT&CK Matrix

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Downloads

memory/2296-1-0x0000000074BD0000-0x0000000074C00000-memory.dmp

Filesize
192KB

Download
memory/2296-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2296-5-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download