dridex | 6aa5daa373805cdb0bf4beeee442796cdf31bbb6318727f84ff8053ec912834a

Analysis

max time kernel
140s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
10/08/2024, 22:31 UTC

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General

Target

6aa5daa373805cdb0bf4beeee442796cdf31bbb6318727f84ff8053ec912834a.dll
Size

184KB
MD5

355ba7dd3dddb1779a6a8a585cc7792d
SHA1

1c448aa97985aed40ebdf6bb23ac1f5c2638ef52
SHA256

6aa5daa373805cdb0bf4beeee442796cdf31bbb6318727f84ff8053ec912834a
SHA512

40195ee5ba9ac59f5153b86ca736a8055979ae5b68debb7d66120f8937927c0b0afaac37dadbdac695289a8f1df2ff1588b551be19a5961c4837f687b25f6e92
SSDEEP

3072:6gkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdghdA4l:zPFkq6zOe5ilSanOSd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

rc4.plain

1
KaFOTWRMoR1YwIux5lF0nBwfe5be1tbuvd

rc4.plain

1
Ra39vlO6cyQZ86AReFzbyefW9iAl9GnOxzuP11b53gsERGAHgaGWnMp2ms0CeVMp9c67YT8V

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/2972-0-0x0000000074B30000-0x0000000074B60000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2876	2972	WerFault.exe	29

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 2348 wrote to memory of 2972	2348	rundll32.exe	29
PID 2348 wrote to memory of 2972	2348	rundll32.exe	29
PID 2348 wrote to memory of 2972	2348	rundll32.exe	29
PID 2348 wrote to memory of 2972	2348	rundll32.exe	29
PID 2348 wrote to memory of 2972	2348	rundll32.exe	29
PID 2348 wrote to memory of 2972	2348	rundll32.exe	29
PID 2348 wrote to memory of 2972	2348	rundll32.exe	29
PID 2972 wrote to memory of 2876	2972	rundll32.exe	30
PID 2972 wrote to memory of 2876	2972	rundll32.exe	30
PID 2972 wrote to memory of 2876	2972	rundll32.exe	30
PID 2972 wrote to memory of 2876	2972	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6aa5daa373805cdb0bf4beeee442796cdf31bbb6318727f84ff8053ec912834a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6aa5daa373805cdb0bf4beeee442796cdf31bbb6318727f84ff8053ec912834a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 224
    3⤵
    - Program crash
    PID:2876

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/2972-0-0x0000000074B30000-0x0000000074B60000-memory.dmp

Filesize
192KB

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memory/2972-1-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

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