dridex | ecc8fb9a8e0bb62b848a36890f7764cee31cd42c69a767c7f4a1bd3acdfef902

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14-08-2024 03:39

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General

Target

6cd3fe0618959fa6d5de0314cb287270N.dll
Size

184KB
MD5

6cd3fe0618959fa6d5de0314cb287270
SHA1

38d88376f859e68197ffcf5d6358ce8fe61a89a5
SHA256

ecc8fb9a8e0bb62b848a36890f7764cee31cd42c69a767c7f4a1bd3acdfef902
SHA512

be34c960606ae4a4f55fdb5fdfc9720b1029058690a57e21414ed65a59106e5faffa218627faefd13855ffb41dae146461668cd85eda2d43c76c04f6363f1830
SSDEEP

3072:lgkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdgodA4l:EPFkq6zOe5ilSanOzd

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

resource	yara_rule
behavioral1/memory/1388-0-0x0000000074B40000-0x0000000074B70000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
468	1388	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 1744 wrote to memory of 1388	1744	rundll32.exe	31
PID 1744 wrote to memory of 1388	1744	rundll32.exe	31
PID 1744 wrote to memory of 1388	1744	rundll32.exe	31
PID 1744 wrote to memory of 1388	1744	rundll32.exe	31
PID 1744 wrote to memory of 1388	1744	rundll32.exe	31
PID 1744 wrote to memory of 1388	1744	rundll32.exe	31
PID 1744 wrote to memory of 1388	1744	rundll32.exe	31
PID 1388 wrote to memory of 468	1388	rundll32.exe	32
PID 1388 wrote to memory of 468	1388	rundll32.exe	32
PID 1388 wrote to memory of 468	1388	rundll32.exe	32
PID 1388 wrote to memory of 468	1388	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6cd3fe0618959fa6d5de0314cb287270N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1744
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6cd3fe0618959fa6d5de0314cb287270N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 220
    3⤵
    - Program crash
    PID:468

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/1388-0-0x0000000074B40000-0x0000000074B70000-memory.dmp

Filesize
192KB

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memory/1388-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

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