dridex | 2975d6a4d0462ab6d562c2dc01b8c3aaa12f93b953b9395ee6022a53b7670798

Analysis

max time kernel
101s
max time network
101s
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 04:26

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General

Target

ab458c1895bfc915d8fe8b71bb670140N.dll
Size

184KB
MD5

ab458c1895bfc915d8fe8b71bb670140
SHA1

b8ba186c9146cfd1bc9f7d841ffa9c4297c88704
SHA256

2975d6a4d0462ab6d562c2dc01b8c3aaa12f93b953b9395ee6022a53b7670798
SHA512

c6661548045f68966da86e43bc3a45ebb735ae1004816d090d271f8401d8788a822b2d1d4426fe1d231c9828ea18db80ebedd74c86941f97a8ac606c0942b27b
SSDEEP

3072:092qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMT/rLA:09NSMOEpQ1Q3ODAr+V3

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/1432-1-0x0000000074E10000-0x0000000074E3F000-memory.dmp	dridex_ldr
behavioral2/memory/1432-2-0x0000000074E10000-0x0000000074E3F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
632	1432	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 2592 wrote to memory of 1432	2592	rundll32.exe	84
PID 2592 wrote to memory of 1432	2592	rundll32.exe	84
PID 2592 wrote to memory of 1432	2592	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab458c1895bfc915d8fe8b71bb670140N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2592
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab458c1895bfc915d8fe8b71bb670140N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1432
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 624
    3⤵
    - Program crash
    PID:632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1432 -ip 1432
1⤵
PID:4232

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/1432-0-0x0000000000980000-0x0000000000986000-memory.dmp

Filesize
24KB

Download
memory/1432-1-0x0000000074E10000-0x0000000074E3F000-memory.dmp

Filesize
188KB

Download
memory/1432-3-0x0000000000980000-0x0000000000986000-memory.dmp

Filesize
24KB

Download
memory/1432-2-0x0000000074E10000-0x0000000074E3F000-memory.dmp

Filesize
188KB

Download