dridex | 857fb5ef15577a5627424faea4b2a6dd1544e15f4b514ccd650b772747d4863b

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-10-2024 23:49

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General

Target

857fb5ef15577a5627424faea4b2a6dd1544e15f4b514ccd650b772747d4863b.dll
Size

184KB
MD5

dba5fc32bf1690d87946fa9546dc92b2
SHA1

b3613ee3d93aa18adfe7f56947ea29fbeb85ef04
SHA256

857fb5ef15577a5627424faea4b2a6dd1544e15f4b514ccd650b772747d4863b
SHA512

b8c6bd662b463f4c662fb6668f1ebcba0569539c56a314c65450a2701485544b1d492f38e892650b001930843b7c5759f068dad76e6c0d9eb0f58568cdec5815
SSDEEP

3072:MiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoOlzoxss7:MiLVCIT4WK2z1W+CUHZj4Skq/eaoMoC

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 Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2324-1-0x00000000750C0000-0x00000000750EF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1384	2324	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 2200 wrote to memory of 2324	2200	rundll32.exe	30
PID 2200 wrote to memory of 2324	2200	rundll32.exe	30
PID 2200 wrote to memory of 2324	2200	rundll32.exe	30
PID 2200 wrote to memory of 2324	2200	rundll32.exe	30
PID 2200 wrote to memory of 2324	2200	rundll32.exe	30
PID 2200 wrote to memory of 2324	2200	rundll32.exe	30
PID 2200 wrote to memory of 2324	2200	rundll32.exe	30
PID 2324 wrote to memory of 1384	2324	rundll32.exe	32
PID 2324 wrote to memory of 1384	2324	rundll32.exe	32
PID 2324 wrote to memory of 1384	2324	rundll32.exe	32
PID 2324 wrote to memory of 1384	2324	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\857fb5ef15577a5627424faea4b2a6dd1544e15f4b514ccd650b772747d4863b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\857fb5ef15577a5627424faea4b2a6dd1544e15f4b514ccd650b772747d4863b.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 224
    3⤵
    - Program crash
    PID:1384

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

Replay Monitor

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Downloads

memory/2324-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2324-1-0x00000000750C0000-0x00000000750EF000-memory.dmp

Filesize
188KB

Download
memory/2324-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download