dridex | 7e856d9aace9d73797a64d0f49de3bc42747789cbda6b963450ce85b75bae0e4

Analysis

max time kernel
104s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-08-2024 09:30

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General

Target

ec00030015e8e39bc29c3253e4a53c50N.dll
Size

184KB
MD5

ec00030015e8e39bc29c3253e4a53c50
SHA1

019d35aed315806bbfdba6f9a7e3d157dc95edad
SHA256

7e856d9aace9d73797a64d0f49de3bc42747789cbda6b963450ce85b75bae0e4
SHA512

0b6e54ab3264b61486885409ba8d05c8be5022025587fe5edfa8d05ee70eabc33d630f2fd58f68d1d286428d339da48dfa698284691b18216a834003281c7708
SSDEEP

3072:SgkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdgjdA4l:7PFkq6zOe5ilSanOsd

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
behavioral2/memory/3368-0-0x0000000075400000-0x0000000075430000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3692	3368	WerFault.exe	84

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 3 IoCs

description	pid	Process	procid_target
PID 4784 wrote to memory of 3368	4784	rundll32.exe	84
PID 4784 wrote to memory of 3368	4784	rundll32.exe	84
PID 4784 wrote to memory of 3368	4784	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ec00030015e8e39bc29c3253e4a53c50N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4784
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ec00030015e8e39bc29c3253e4a53c50N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3368
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3368 -s 616
    3⤵
    - Program crash
    PID:3692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3368 -ip 3368
1⤵
PID:428

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/3368-0-0x0000000075400000-0x0000000075430000-memory.dmp

Filesize
192KB

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memory/3368-1-0x0000000000880000-0x0000000000886000-memory.dmp

Filesize
24KB

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