dridex | 063263733a9c7c128ebf3c4ac416059980ae52de25598c86343da81c2c5f75a7

Analysis

max time kernel
115s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-09-2024 22:35

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General

Target

577f42362a30a1b5cea38f64c4622380N.dll
Size

188KB
MD5

577f42362a30a1b5cea38f64c4622380
SHA1

c66b85b4cee21b0a28be89334ae689ba0ddd8295
SHA256

063263733a9c7c128ebf3c4ac416059980ae52de25598c86343da81c2c5f75a7
SHA512

3216f5129ed76500dcb943249c117a0de241126d9cf0a127261efcfb4026741180f99319d1ae3ee2175ee9dcd356f9861c8474f9f28f86dd3c52e80de9b170b1
SSDEEP

3072:1teMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzY9qM:Rq7fYIHBZkTB6DWruUCOwjt

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
behavioral1/memory/2748-1-0x0000000074E50000-0x0000000074E80000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3040	2748	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 2748	2724	rundll32.exe	30
PID 2724 wrote to memory of 2748	2724	rundll32.exe	30
PID 2724 wrote to memory of 2748	2724	rundll32.exe	30
PID 2724 wrote to memory of 2748	2724	rundll32.exe	30
PID 2724 wrote to memory of 2748	2724	rundll32.exe	30
PID 2724 wrote to memory of 2748	2724	rundll32.exe	30
PID 2724 wrote to memory of 2748	2724	rundll32.exe	30
PID 2748 wrote to memory of 3040	2748	rundll32.exe	31
PID 2748 wrote to memory of 3040	2748	rundll32.exe	31
PID 2748 wrote to memory of 3040	2748	rundll32.exe	31
PID 2748 wrote to memory of 3040	2748	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\577f42362a30a1b5cea38f64c4622380N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\577f42362a30a1b5cea38f64c4622380N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2748
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 308
    3⤵
    - Program crash
    PID:3040

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/2748-0-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2748-1-0x0000000074E50000-0x0000000074E80000-memory.dmp

Filesize
192KB

Download
memory/2748-3-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

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