dridex | ab9874e3cded663b6eab7422f9bd9cbf7b52e3b15cee972f802e758fee44bafe

Analysis

max time kernel
141s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
12-08-2024 01:00

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General

Target

ab9874e3cded663b6eab7422f9bd9cbf7b52e3b15cee972f802e758fee44bafe.dll
Size

184KB
MD5

5e0e3747a06d8b48246915c0cc6fe643
SHA1

0c353bea7340b936212b8b99f1802fa3853601f3
SHA256

ab9874e3cded663b6eab7422f9bd9cbf7b52e3b15cee972f802e758fee44bafe
SHA512

a8c228a5861f99be78e3f7b081ce9c5a3a4f03308930098025dcbe9495a7b126624925c851ed28496b3fc924c18fa49ef839234a17bd9c3044ebae9fcca7f443
SSDEEP

3072:0CW8WgWhVnmr6k/6zsRJLNqTXvMU9tb+/HU6ngmUWx9ixCH0u:Y8qh+66QsRdNiBW/06ngmUWexC

Score

10^/10

dridex 22203 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22203

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 3 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

Processes:

resource	yara_rule
behavioral1/memory/2064-0-0x00000000754A0000-0x00000000754D0000-memory.dmp	dridex_ldr
behavioral1/memory/2064-1-0x00000000754A0000-0x00000000754D0000-memory.dmp	dridex_ldr
behavioral1/memory/2064-3-0x00000000754A0000-0x00000000754D0000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
3000	2064	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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 3004 wrote to memory of 2064	3004	rundll32.exe	30
PID 3004 wrote to memory of 2064	3004	rundll32.exe	30
PID 3004 wrote to memory of 2064	3004	rundll32.exe	30
PID 3004 wrote to memory of 2064	3004	rundll32.exe	30
PID 3004 wrote to memory of 2064	3004	rundll32.exe	30
PID 3004 wrote to memory of 2064	3004	rundll32.exe	30
PID 3004 wrote to memory of 2064	3004	rundll32.exe	30
PID 2064 wrote to memory of 3000	2064	rundll32.exe	32
PID 2064 wrote to memory of 3000	2064	rundll32.exe	32
PID 2064 wrote to memory of 3000	2064	rundll32.exe	32
PID 2064 wrote to memory of 3000	2064	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab9874e3cded663b6eab7422f9bd9cbf7b52e3b15cee972f802e758fee44bafe.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ab9874e3cded663b6eab7422f9bd9cbf7b52e3b15cee972f802e758fee44bafe.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 220
    3⤵
    - Program crash
    PID:3000

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/2064-0-0x00000000754A0000-0x00000000754D0000-memory.dmp

Filesize
192KB

Download
memory/2064-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2064-1-0x00000000754A0000-0x00000000754D0000-memory.dmp

Filesize
192KB

Download
memory/2064-3-0x00000000754A0000-0x00000000754D0000-memory.dmp

Filesize
192KB

Download