dridex | c26b865b98b8b033d0cc677e2265fc15bb7f8f46b60a07ad377dd61d108c8e77

Analysis

max time kernel
111s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
13-08-2024 09:47

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General

Target

98ec2264df0ad1eb43a5824d871c2300N.dll
Size

184KB
MD5

98ec2264df0ad1eb43a5824d871c2300
SHA1

360244e0171d03258f0cadcdf41de9a31c0283c7
SHA256

c26b865b98b8b033d0cc677e2265fc15bb7f8f46b60a07ad377dd61d108c8e77
SHA512

2e8b596d2b4bc295bdcfde25de791a95dfd1e7610b4c765e2383c95925d8a673ed1187458f099f460728515072c5d53b872b0127b70723d55e4ed9bfab4fa7da
SSDEEP

3072:8gkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdgddA4l:JPFkq6zOe5ilSanOqd

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

Processes:

resource	yara_rule
behavioral1/memory/1120-0-0x00000000745F0000-0x0000000074620000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2108	1120	WerFault.exe	29

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

Processes:

rundll32.exe

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

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2256 wrote to memory of 1120	2256	rundll32.exe	29
PID 2256 wrote to memory of 1120	2256	rundll32.exe	29
PID 2256 wrote to memory of 1120	2256	rundll32.exe	29
PID 2256 wrote to memory of 1120	2256	rundll32.exe	29
PID 2256 wrote to memory of 1120	2256	rundll32.exe	29
PID 2256 wrote to memory of 1120	2256	rundll32.exe	29
PID 2256 wrote to memory of 1120	2256	rundll32.exe	29
PID 1120 wrote to memory of 2108	1120	rundll32.exe	30
PID 1120 wrote to memory of 2108	1120	rundll32.exe	30
PID 1120 wrote to memory of 2108	1120	rundll32.exe	30
PID 1120 wrote to memory of 2108	1120	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\98ec2264df0ad1eb43a5824d871c2300N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\98ec2264df0ad1eb43a5824d871c2300N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1120
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1120 -s 224
    3⤵
    - Program crash
    PID:2108

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/1120-0-0x00000000745F0000-0x0000000074620000-memory.dmp

Filesize
192KB

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memory/1120-1-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

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