dridex | 909f24439bd05c10854c952af9e1509d4d2e9d1cd99d212de1efe2a79c12bf16

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
16-08-2024 07:05

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General

Target

5b0255dcb1e9a2b9fd0a0f2a2bce2920N.dll
Size

184KB
MD5

5b0255dcb1e9a2b9fd0a0f2a2bce2920
SHA1

5b32e7fa921eb5749eadb09ca9ae43f2a77d9be2
SHA256

909f24439bd05c10854c952af9e1509d4d2e9d1cd99d212de1efe2a79c12bf16
SHA512

28bccf86fd894181bb3ea27a19169b477d4ae5e83b57d3c2a949bc073dc65094957f99cf1c10152ac2e8b93a3e2cef6f819b9e1a6220f3c8d140b4455da33ed8
SSDEEP

3072:e92qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTsrLA:e9NSMOEpQ1Q3ODAr+VI

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

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 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/3580-0-0x0000000074A80000-0x0000000074AAF000-memory.dmp	dridex_ldr
behavioral2/memory/3580-3-0x0000000074A80000-0x0000000074AAF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2504	3580	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 4512 wrote to memory of 3580	4512	rundll32.exe	84
PID 4512 wrote to memory of 3580	4512	rundll32.exe	84
PID 4512 wrote to memory of 3580	4512	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b0255dcb1e9a2b9fd0a0f2a2bce2920N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4512
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5b0255dcb1e9a2b9fd0a0f2a2bce2920N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 624
    3⤵
    - Program crash
    PID:2504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3580 -ip 3580
1⤵
PID:2380

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/3580-0-0x0000000074A80000-0x0000000074AAF000-memory.dmp

Filesize
188KB

Download
memory/3580-2-0x00000000010A0000-0x00000000010A6000-memory.dmp

Filesize
24KB

Download
memory/3580-3-0x0000000074A80000-0x0000000074AAF000-memory.dmp

Filesize
188KB

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