dridex | a96ec3ed0a19ef500472cbced5fa14ce875c19aba8ca8bf3041f229c551e6756

Analysis

max time kernel
111s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
14-08-2024 17:25

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General

Target

22589411f048e6e8d6c3c3801e6ce5a0N.dll
Size

184KB
MD5

22589411f048e6e8d6c3c3801e6ce5a0
SHA1

b04688143d37150d85ebef9736062d3aaebb98b0
SHA256

a96ec3ed0a19ef500472cbced5fa14ce875c19aba8ca8bf3041f229c551e6756
SHA512

6977b516b44993b66e2a03c0ed9f63600815906ea7dd96b07128314b2180456a8fc66a235da1ae723f5384510210d0a107604d17a9f23ead06a0b8ad939a8fd7
SSDEEP

3072:sgkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdgedA4l:5PFkq6zOe5ilSanOhd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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

resource	yara_rule
behavioral1/memory/2404-0-0x0000000074BB0000-0x0000000074BE0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1308	2404	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 384 wrote to memory of 2404	384	rundll32.exe	30
PID 384 wrote to memory of 2404	384	rundll32.exe	30
PID 384 wrote to memory of 2404	384	rundll32.exe	30
PID 384 wrote to memory of 2404	384	rundll32.exe	30
PID 384 wrote to memory of 2404	384	rundll32.exe	30
PID 384 wrote to memory of 2404	384	rundll32.exe	30
PID 384 wrote to memory of 2404	384	rundll32.exe	30
PID 2404 wrote to memory of 1308	2404	rundll32.exe	31
PID 2404 wrote to memory of 1308	2404	rundll32.exe	31
PID 2404 wrote to memory of 1308	2404	rundll32.exe	31
PID 2404 wrote to memory of 1308	2404	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\22589411f048e6e8d6c3c3801e6ce5a0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:384
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\22589411f048e6e8d6c3c3801e6ce5a0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2404
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 220
    3⤵
    - Program crash
    PID:1308

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/2404-0-0x0000000074BB0000-0x0000000074BE0000-memory.dmp

Filesize
192KB

Download
memory/2404-2-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download