dridex | 2f4cb738bf0b1af47903ee3bb02f1eb94719bce5d83f4f7e3b4aae628ecac0d8

Analysis

max time kernel
79s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-09-2024 00:06

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General

Target

3dced351d6eeb2f28d176705173e4350N.dll
Size

236KB
MD5

3dced351d6eeb2f28d176705173e4350
SHA1

894f3adb08bcd5bcb34c7f8b0d8fc097c588bc8c
SHA256

2f4cb738bf0b1af47903ee3bb02f1eb94719bce5d83f4f7e3b4aae628ecac0d8
SHA512

42e27c84790e99b8bb4303288e436151549864eb10859abda3825b4fd5f04238c806c92af2412f6133bfb41e8328dce70f0fd9bb0b7d3418874adcfccc9fd782
SSDEEP

6144:61G3WVIOY6Bdjehj+qudd96ou/6mv5wdC:61GmSafShjYdd96z/6cwdC

Score

10^/10

dridex 111 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

111

52.73.70.149:443

8.4.9.152:3786

185.246.87.202:3098

50.116.111.64:5353

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2572-1-0x0000000074510000-0x000000007454D000-memory.dmp	dridex_ldr
behavioral1/memory/2572-2-0x0000000074510000-0x000000007454D000-memory.dmp	dridex_ldr

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

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 2516 wrote to memory of 2572	2516	rundll32.exe	rundll32.exe
PID 2516 wrote to memory of 2572	2516	rundll32.exe	rundll32.exe
PID 2516 wrote to memory of 2572	2516	rundll32.exe	rundll32.exe
PID 2516 wrote to memory of 2572	2516	rundll32.exe	rundll32.exe
PID 2516 wrote to memory of 2572	2516	rundll32.exe	rundll32.exe
PID 2516 wrote to memory of 2572	2516	rundll32.exe	rundll32.exe
PID 2516 wrote to memory of 2572	2516	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3dced351d6eeb2f28d176705173e4350N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\3dced351d6eeb2f28d176705173e4350N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2572

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/2572-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2572-1-0x0000000074510000-0x000000007454D000-memory.dmp

Filesize
244KB

Download
memory/2572-2-0x0000000074510000-0x000000007454D000-memory.dmp

Filesize
244KB

Download
memory/2572-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download