dridex | 16fd4ea4b2784b14d77462c4c211abac8d38116dd998b6203aebc980d056566a

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
16-08-2024 06:00

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General

Target

8e2b679a1623663941472512599d9f20N.dll
Size

184KB
MD5

8e2b679a1623663941472512599d9f20
SHA1

031bbbd2e6e3f464c81353bb6ccc44ef6c6a03ff
SHA256

16fd4ea4b2784b14d77462c4c211abac8d38116dd998b6203aebc980d056566a
SHA512

7fc7976f1fd25ecb1b85b89daa8cc640d1a01bcc9c61bc99275d6315e8e5c012c3766d62d7c13d399a94fd77ab524724f1377b842ed831c12152621840b5e5b0
SSDEEP

3072:AiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoYlzoxss7:AiLVCIT4WK2z1W+CUHZj4Skq/eaoGoC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/1652-1-0x0000000074DF0000-0x0000000074E1F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2432	1652	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 2520 wrote to memory of 1652	2520	rundll32.exe	30
PID 2520 wrote to memory of 1652	2520	rundll32.exe	30
PID 2520 wrote to memory of 1652	2520	rundll32.exe	30
PID 2520 wrote to memory of 1652	2520	rundll32.exe	30
PID 2520 wrote to memory of 1652	2520	rundll32.exe	30
PID 2520 wrote to memory of 1652	2520	rundll32.exe	30
PID 2520 wrote to memory of 1652	2520	rundll32.exe	30
PID 1652 wrote to memory of 2432	1652	rundll32.exe	31
PID 1652 wrote to memory of 2432	1652	rundll32.exe	31
PID 1652 wrote to memory of 2432	1652	rundll32.exe	31
PID 1652 wrote to memory of 2432	1652	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e2b679a1623663941472512599d9f20N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e2b679a1623663941472512599d9f20N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1652
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1652 -s 220
    3⤵
    - Program crash
    PID:2432

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/1652-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/1652-1-0x0000000074DF0000-0x0000000074E1F000-memory.dmp

Filesize
188KB

Download
memory/1652-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download