dridex | 5da960d4464d84bd99eb8c60005147427fcb9710931d1d0aa8186f0a84c7f2bc

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/12/2024, 22:11

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General

Target

8e074e06cc7cf2031ffc9795b04a05f8115ef57e3df8927f6088f5f3b85bc076.dll
Size

171KB
MD5

325000abef1acf8a82452ea7439081b3
SHA1

f1cbacf41c1bd51c61df7ecf588fa37480cadec6
SHA256

8e074e06cc7cf2031ffc9795b04a05f8115ef57e3df8927f6088f5f3b85bc076
SHA512

6dc087dfb8360ceb5c4109d0accdb680b88c9c3e9f8ac07ebb3d5ba29a90ccbc0d6595f85c045cae1096bc34610eb4e3a75fb6d6490d223992d34c23494bceae
SSDEEP

3072:mi49mEb06hs9BPEmmvt7dNbTqub9Un7WpVJBR13LSoAH7Dk0ZT:mH9RVaPEmsdHdbQUbd2H3

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/1568-1-0x0000000074CD0000-0x0000000074D00000-memory.dmp	dridex_ldr
behavioral1/memory/1568-2-0x0000000074CD0000-0x0000000074D00000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1828	1568	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 2156 wrote to memory of 1568	2156	rundll32.exe	30
PID 2156 wrote to memory of 1568	2156	rundll32.exe	30
PID 2156 wrote to memory of 1568	2156	rundll32.exe	30
PID 2156 wrote to memory of 1568	2156	rundll32.exe	30
PID 2156 wrote to memory of 1568	2156	rundll32.exe	30
PID 2156 wrote to memory of 1568	2156	rundll32.exe	30
PID 2156 wrote to memory of 1568	2156	rundll32.exe	30
PID 1568 wrote to memory of 1828	1568	rundll32.exe	32
PID 1568 wrote to memory of 1828	1568	rundll32.exe	32
PID 1568 wrote to memory of 1828	1568	rundll32.exe	32
PID 1568 wrote to memory of 1828	1568	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e074e06cc7cf2031ffc9795b04a05f8115ef57e3df8927f6088f5f3b85bc076.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e074e06cc7cf2031ffc9795b04a05f8115ef57e3df8927f6088f5f3b85bc076.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1568
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1568 -s 256
    3⤵
    - Program crash
    PID:1828

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/1568-0-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1568-1-0x0000000074CD0000-0x0000000074D00000-memory.dmp

Filesize
192KB

Download
memory/1568-3-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1568-2-0x0000000074CD0000-0x0000000074D00000-memory.dmp

Filesize
192KB

Download