dridex | 40c5d5e968480163bab79513cd2c839c7b97d8dd189b89deeb07d6640c19719b

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
13-09-2024 06:01

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General

Target

8989c7b663cdfc74a31d725102c22110N.dll
Size

196KB
MD5

8989c7b663cdfc74a31d725102c22110
SHA1

47aa8f6afe0cc7499e0b1a35c404ba81a6fca4a8
SHA256

40c5d5e968480163bab79513cd2c839c7b97d8dd189b89deeb07d6640c19719b
SHA512

d04a12be1585d78bd286eddd1a3d7550d4104ed3f37e16e1d827e625bd434c139f22ba66eaac71b55448a42ef70b92a3fff3caf4772d6787ddf2978b541ba446
SSDEEP

3072:TuCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJa:3zWxkOP4p2EesvcDi6DOHPJd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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/2384-1-0x0000000075450000-0x0000000075481000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2124	2384	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 1916 wrote to memory of 2384	1916	rundll32.exe	30
PID 1916 wrote to memory of 2384	1916	rundll32.exe	30
PID 1916 wrote to memory of 2384	1916	rundll32.exe	30
PID 1916 wrote to memory of 2384	1916	rundll32.exe	30
PID 1916 wrote to memory of 2384	1916	rundll32.exe	30
PID 1916 wrote to memory of 2384	1916	rundll32.exe	30
PID 1916 wrote to memory of 2384	1916	rundll32.exe	30
PID 2384 wrote to memory of 2124	2384	rundll32.exe	32
PID 2384 wrote to memory of 2124	2384	rundll32.exe	32
PID 2384 wrote to memory of 2124	2384	rundll32.exe	32
PID 2384 wrote to memory of 2124	2384	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8989c7b663cdfc74a31d725102c22110N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8989c7b663cdfc74a31d725102c22110N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2384 -s 220
    3⤵
    - Program crash
    PID:2124

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/2384-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/2384-1-0x0000000075450000-0x0000000075481000-memory.dmp

Filesize
196KB

Download
memory/2384-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download