dridex | e8f0fb9ee9e2ceb11534f7fb4faa99a90d622dae5666adef28bd0389b417717d

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14-08-2024 01:18

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General

Target

e8f0fb9ee9e2ceb11534f7fb4faa99a90d622dae5666adef28bd0389b417717d.dll
Size

184KB
MD5

82cefe214e1edbb2a4156444314927f1
SHA1

84bc48584e05ac5ce3a4581e71dc69a3d2884533
SHA256

e8f0fb9ee9e2ceb11534f7fb4faa99a90d622dae5666adef28bd0389b417717d
SHA512

a1f5f03d5776920db5d794b26d084399f320a799f9f9e60bf4ce606356f7c76ae4a5638c8cde275fd0dae29632b5190dafe29f034bae6ca785c35daa8d3a04b4
SSDEEP

3072:8iLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoKlzoxss7:8iLVCIT4WK2z1W+CUHZj4Skq/eaoAoC

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/2472-0-0x00000000746B0000-0x00000000746DF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1244	2472	WerFault.exe	31

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 2984 wrote to memory of 2472	2984	rundll32.exe	31
PID 2984 wrote to memory of 2472	2984	rundll32.exe	31
PID 2984 wrote to memory of 2472	2984	rundll32.exe	31
PID 2984 wrote to memory of 2472	2984	rundll32.exe	31
PID 2984 wrote to memory of 2472	2984	rundll32.exe	31
PID 2984 wrote to memory of 2472	2984	rundll32.exe	31
PID 2984 wrote to memory of 2472	2984	rundll32.exe	31
PID 2472 wrote to memory of 1244	2472	rundll32.exe	32
PID 2472 wrote to memory of 1244	2472	rundll32.exe	32
PID 2472 wrote to memory of 1244	2472	rundll32.exe	32
PID 2472 wrote to memory of 1244	2472	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8f0fb9ee9e2ceb11534f7fb4faa99a90d622dae5666adef28bd0389b417717d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e8f0fb9ee9e2ceb11534f7fb4faa99a90d622dae5666adef28bd0389b417717d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2472
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2472 -s 220
    3⤵
    - Program crash
    PID:1244

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/2472-0-0x00000000746B0000-0x00000000746DF000-memory.dmp

Filesize
188KB

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memory/2472-2-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

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