dridex | e7ee728bf7c6fba42e06b7145fc2d9538fcab28ef716556d7c45306479d1b4c5

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
15-08-2024 18:11

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General

Target

914a7821e620ff37edc41b9cce738780N.dll
Size

184KB
MD5

914a7821e620ff37edc41b9cce738780
SHA1

0f771c91aaca773044f018772185537b5e76430c
SHA256

e7ee728bf7c6fba42e06b7145fc2d9538fcab28ef716556d7c45306479d1b4c5
SHA512

b5406c85d2852978e2be156c58b25304fe5264a5fb2cc29e662a4a907d76ca4bae24b8ca2b529b10fd3421e0bd594117b5880b2beae09d4afae6e5ac36e44cd0
SSDEEP

3072:zJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jba//2uFrSc:4fYOX+wTScR/Xzku9LVw0uG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

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
behavioral1/memory/2016-1-0x0000000075170000-0x000000007519F000-memory.dmp	dridex_ldr
behavioral1/memory/2016-2-0x0000000075170000-0x000000007519F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1984	2016	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 1836 wrote to memory of 2016	1836	rundll32.exe	30
PID 1836 wrote to memory of 2016	1836	rundll32.exe	30
PID 1836 wrote to memory of 2016	1836	rundll32.exe	30
PID 1836 wrote to memory of 2016	1836	rundll32.exe	30
PID 1836 wrote to memory of 2016	1836	rundll32.exe	30
PID 1836 wrote to memory of 2016	1836	rundll32.exe	30
PID 1836 wrote to memory of 2016	1836	rundll32.exe	30
PID 2016 wrote to memory of 1984	2016	rundll32.exe	32
PID 2016 wrote to memory of 1984	2016	rundll32.exe	32
PID 2016 wrote to memory of 1984	2016	rundll32.exe	32
PID 2016 wrote to memory of 1984	2016	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\914a7821e620ff37edc41b9cce738780N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1836
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\914a7821e620ff37edc41b9cce738780N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2016 -s 220
    3⤵
    - Program crash
    PID:1984

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/2016-0-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2016-1-0x0000000075170000-0x000000007519F000-memory.dmp

Filesize
188KB

Download
memory/2016-3-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2016-2-0x0000000075170000-0x000000007519F000-memory.dmp

Filesize
188KB

Download