dridex | 4b98a9b5c5037bea56231d6ab71d3bff701cfcbc415719cb8f51970949771e8c

Analysis

max time kernel
111s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 16:11

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General

Target

4b98a9b5c5037bea56231d6ab71d3bff701cfcbc415719cb8f51970949771e8c.dll
Size

188KB
MD5

f2f975266f3ffa3250584e721a855beb
SHA1

7eed89ce29278fb97f2c98549de0811c8e4cde2d
SHA256

4b98a9b5c5037bea56231d6ab71d3bff701cfcbc415719cb8f51970949771e8c
SHA512

2a57f9a386779e8eab8c028fa14c7141c734da4781a70a1479a33dd6f3ab95945d14839c73cc83f5674f26f19835a0792d545b57fa58ebdcba549ac37c405b3a
SSDEEP

3072:gA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAofo:gzIqATVfQeV2FZalKq6jtGJWuTmd

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Dridex family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/2896-1-0x0000000074BF0000-0x0000000074C20000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4796	2896	WerFault.exe	83

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 4932 wrote to memory of 2896	4932	rundll32.exe	83
PID 4932 wrote to memory of 2896	4932	rundll32.exe	83
PID 4932 wrote to memory of 2896	4932	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b98a9b5c5037bea56231d6ab71d3bff701cfcbc415719cb8f51970949771e8c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4b98a9b5c5037bea56231d6ab71d3bff701cfcbc415719cb8f51970949771e8c.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2896
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2896 -s 692
    3⤵
    - Program crash
    PID:4796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2896 -ip 2896
1⤵
PID:5016

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/2896-0-0x0000000001300000-0x0000000001306000-memory.dmp

Filesize
24KB

Download
memory/2896-1-0x0000000074BF0000-0x0000000074C20000-memory.dmp

Filesize
192KB

Download
memory/2896-3-0x0000000001300000-0x0000000001306000-memory.dmp

Filesize
24KB

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