dridex | a519a77c566fa04b485a23e510ecc1d5d966aa4dabd2205541d6b986631ef901

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 17:56

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General

Target

a519a77c566fa04b485a23e510ecc1d5d966aa4dabd2205541d6b986631ef901.dll
Size

184KB
MD5

69981bd44cbf21b214b547f4ec93eeb6
SHA1

380f1a4ac9bbf9c9590e616bb1f98b6828ce037c
SHA256

a519a77c566fa04b485a23e510ecc1d5d966aa4dabd2205541d6b986631ef901
SHA512

dbe696c0afdc488a772ad70f4d1b926bc3b65b89d4464cf5ca1ddb5c40a6ef3d59c281a8cb4eb46a469566890670da5aa782289fbef3d939c15e6870f61790f5
SSDEEP

3072:diLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoslzoxss7:diLVCIT4WK2z1W+CUHZj4Skq/eaoSoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2312-1-0x0000000074950000-0x000000007497F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
268	2312	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 108 wrote to memory of 2312	108	rundll32.exe	30
PID 108 wrote to memory of 2312	108	rundll32.exe	30
PID 108 wrote to memory of 2312	108	rundll32.exe	30
PID 108 wrote to memory of 2312	108	rundll32.exe	30
PID 108 wrote to memory of 2312	108	rundll32.exe	30
PID 108 wrote to memory of 2312	108	rundll32.exe	30
PID 108 wrote to memory of 2312	108	rundll32.exe	30
PID 2312 wrote to memory of 268	2312	rundll32.exe	32
PID 2312 wrote to memory of 268	2312	rundll32.exe	32
PID 2312 wrote to memory of 268	2312	rundll32.exe	32
PID 2312 wrote to memory of 268	2312	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a519a77c566fa04b485a23e510ecc1d5d966aa4dabd2205541d6b986631ef901.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:108
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a519a77c566fa04b485a23e510ecc1d5d966aa4dabd2205541d6b986631ef901.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 220
    3⤵
    - Program crash
    PID:268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2312-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2312-1-0x0000000074950000-0x000000007497F000-memory.dmp

Filesize
188KB

Download
memory/2312-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

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