dridex | 186544b68032f11655c1b90d785bbe75afb5e79f2411d617903991f5211ea00b

Analysis

max time kernel
93s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07-09-2024 03:54

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General

Target

8f7dd6c275c27b74d4c62df570c5bd90N.dll
Size

188KB
MD5

8f7dd6c275c27b74d4c62df570c5bd90
SHA1

bd4c995007818dc849ccdab5276b9f70b0552b60
SHA256

186544b68032f11655c1b90d785bbe75afb5e79f2411d617903991f5211ea00b
SHA512

914b48935ebd0ffcc297e57e64fe9cbbb6a9b9c6f31f3391ce43d5e704e1d85ade4d3034748f068eebed60484e815ce0218ffe6b708563f9ea17243ebac59a61
SSDEEP

3072:fteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIz19qM:Hq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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/3372-0-0x0000000075050000-0x0000000075080000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4544	3372	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 3020 wrote to memory of 3372	3020	rundll32.exe	84
PID 3020 wrote to memory of 3372	3020	rundll32.exe	84
PID 3020 wrote to memory of 3372	3020	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f7dd6c275c27b74d4c62df570c5bd90N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f7dd6c275c27b74d4c62df570c5bd90N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3372
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 692
    3⤵
    - Program crash
    PID:4544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3372 -ip 3372
1⤵
PID:1860

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/3372-1-0x0000000000B30000-0x0000000000B36000-memory.dmp

Filesize
24KB

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memory/3372-0-0x0000000075050000-0x0000000075080000-memory.dmp

Filesize
192KB

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