dridex | 107968d69c0b9e4892b1236ed537354be33fd264ae7c4b9ad30db19769a80f7f

Analysis

max time kernel
98s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14-08-2024 11:07

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General

Target

2775830b85dd5bdcdcd6a960b7068e60N.dll
Size

184KB
MD5

2775830b85dd5bdcdcd6a960b7068e60
SHA1

c732497e52cba7f23256acddd892447078aa5542
SHA256

107968d69c0b9e4892b1236ed537354be33fd264ae7c4b9ad30db19769a80f7f
SHA512

b2f459947c4d3459d600ca57d1a2a36f593ea9af35947744530f22630beb3b5073590f79c787f121bdd13a2431b65ae0d082a4929a252c6ad63fa682f51dbc7a
SSDEEP

3072:fgkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdg2dA4l:KPFkq6zOe5ilSanOld

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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/4136-0-0x00000000750C0000-0x00000000750F0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4428	4136	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 4368 wrote to memory of 4136	4368	rundll32.exe	84
PID 4368 wrote to memory of 4136	4368	rundll32.exe	84
PID 4368 wrote to memory of 4136	4368	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2775830b85dd5bdcdcd6a960b7068e60N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4368
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2775830b85dd5bdcdcd6a960b7068e60N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4136
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4136 -s 616
    3⤵
    - Program crash
    PID:4428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4136 -ip 4136
1⤵
PID:1268

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/4136-0-0x00000000750C0000-0x00000000750F0000-memory.dmp

Filesize
192KB

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memory/4136-1-0x0000000000A20000-0x0000000000A26000-memory.dmp

Filesize
24KB

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