dridex | a96ec3ed0a19ef500472cbced5fa14ce875c19aba8ca8bf3041f229c551e6756

Analysis

max time kernel
105s
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 17:25

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General

Target

22589411f048e6e8d6c3c3801e6ce5a0N.dll
Size

184KB
MD5

22589411f048e6e8d6c3c3801e6ce5a0
SHA1

b04688143d37150d85ebef9736062d3aaebb98b0
SHA256

a96ec3ed0a19ef500472cbced5fa14ce875c19aba8ca8bf3041f229c551e6756
SHA512

6977b516b44993b66e2a03c0ed9f63600815906ea7dd96b07128314b2180456a8fc66a235da1ae723f5384510210d0a107604d17a9f23ead06a0b8ad939a8fd7
SSDEEP

3072:sgkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdgedA4l:5PFkq6zOe5ilSanOhd

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/4512-0-0x0000000075770000-0x00000000757A0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4216	4512	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 3596 wrote to memory of 4512	3596	rundll32.exe	83
PID 3596 wrote to memory of 4512	3596	rundll32.exe	83
PID 3596 wrote to memory of 4512	3596	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\22589411f048e6e8d6c3c3801e6ce5a0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3596
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\22589411f048e6e8d6c3c3801e6ce5a0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4512
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 616
    3⤵
    - Program crash
    PID:4216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4512 -ip 4512
1⤵
PID:212

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/4512-0-0x0000000075770000-0x00000000757A0000-memory.dmp

Filesize
192KB

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memory/4512-1-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

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