dridex | a1779a2d609743228b25443bd32624e957181c302658007aa049d8426b9e18f4

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 11:20

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General

Target

a1779a2d609743228b25443bd32624e957181c302658007aa049d8426b9e18f4N.dll
Size

184KB
MD5

52d36af9a85e8344f323aaa11650e8d0
SHA1

d314a324d0d906443ec8b953b481e416c8fbd8b6
SHA256

a1779a2d609743228b25443bd32624e957181c302658007aa049d8426b9e18f4
SHA512

2a2acf7cc84ee7467ec79832930520d16d670745da26caf3066f837f7e5476c71022e115a83928b46f4cf9e81f4459ee43e1f008bafbc9af2c235cf52e4829ce
SSDEEP

3072:ygkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdgzdA4l:bPFkq6zOe5ilSanO4d

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

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/2704-1-0x0000000074540000-0x0000000074570000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2828	2704	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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 2720 wrote to memory of 2704	2720	rundll32.exe	30
PID 2720 wrote to memory of 2704	2720	rundll32.exe	30
PID 2720 wrote to memory of 2704	2720	rundll32.exe	30
PID 2720 wrote to memory of 2704	2720	rundll32.exe	30
PID 2720 wrote to memory of 2704	2720	rundll32.exe	30
PID 2720 wrote to memory of 2704	2720	rundll32.exe	30
PID 2720 wrote to memory of 2704	2720	rundll32.exe	30
PID 2704 wrote to memory of 2828	2704	rundll32.exe	31
PID 2704 wrote to memory of 2828	2704	rundll32.exe	31
PID 2704 wrote to memory of 2828	2704	rundll32.exe	31
PID 2704 wrote to memory of 2828	2704	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1779a2d609743228b25443bd32624e957181c302658007aa049d8426b9e18f4N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1779a2d609743228b25443bd32624e957181c302658007aa049d8426b9e18f4N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2704 -s 220
    3⤵
    - Program crash
    PID:2828

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/2704-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2704-1-0x0000000074540000-0x0000000074570000-memory.dmp

Filesize
192KB

Download
memory/2704-3-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download