dridex | efdf8ac787b1311fb1688edb04e2de6e6ff5ad9886e632ef34c51b277383f2b3

Analysis

max time kernel
35s
max time network
42s
platform
windows10_x64
resource
win10v20210408
submitted
21-04-2021 18:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

efdf8ac787b1311fb1688edb04e2de6e6ff5ad9886e632ef34c51b277383f2b3.dll
Size

154KB
MD5

80fa56e4fad23b91da02f6cf5bab5f4a
SHA1

3c28853e72d73c8fc33036f1634a777606286b39
SHA256

efdf8ac787b1311fb1688edb04e2de6e6ff5ad9886e632ef34c51b277383f2b3
SHA512

804096c8e1cc218bc6787f39edfabcdf136355720da334d7a1e3ec819a8824878c892d50e540fa9c6bfa7bfd41c4abbb2ee84cbc98802f52fba9073a3c5bd017

Score

10^/10

dridex 40111 botnet evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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/1004-115-0x00000000742C0000-0x00000000742ED000-memory.dmp	dridex_ldr

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 640 wrote to memory of 1004	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 1004	640	rundll32.exe	rundll32.exe
PID 640 wrote to memory of 1004	640	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\efdf8ac787b1311fb1688edb04e2de6e6ff5ad9886e632ef34c51b277383f2b3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\efdf8ac787b1311fb1688edb04e2de6e6ff5ad9886e632ef34c51b277383f2b3.dll,#1
  2⤵
  - Checks whether UAC is enabled
  PID:1004

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1004-114-0x0000000000000000-mapping.dmp

Download
memory/1004-115-0x00000000742C0000-0x00000000742ED000-memory.dmp

Filesize
180KB

Download
memory/1004-117-0x0000000002A90000-0x0000000002BDA000-memory.dmp

Filesize
1.3MB

Download