dridex | 170ff11802ca3e079cda72ba6c8f945fbe199341d03239ce7cfce8c231df5fe8

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
17-08-2024 19:16

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General

Target

170ff11802ca3e079cda72ba6c8f945fbe199341d03239ce7cfce8c231df5fe8.dll
Size

188KB
MD5

611198049f7c82b9503264735cc34839
SHA1

ed8041f841fc09e320fb29ebb2f92adf4941cc27
SHA256

170ff11802ca3e079cda72ba6c8f945fbe199341d03239ce7cfce8c231df5fe8
SHA512

2f7262447c2a1b645b644f63f5abb6b902384568ab14a986a62f6c289e6a9efd08fe0cae680c67972bc28c5ea4141ccd6d5b402e2f13c8f9572a4802f28f89c9
SSDEEP

3072:eWa3N1eqJ7cNe58per6JpynepWHVD9qMe402JYIUk9H8Iz83SWj9klSC:yxwO/Spynep6VDcMeQeIUk9cI6b5

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

134.209.182.12:443

188.40.100.254:4664

103.109.247.9:10443

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/2004-0-0x00000000751F0000-0x0000000075220000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2312	2004	WerFault.exe	28

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 2200 wrote to memory of 2004	2200	rundll32.exe	28
PID 2200 wrote to memory of 2004	2200	rundll32.exe	28
PID 2200 wrote to memory of 2004	2200	rundll32.exe	28
PID 2200 wrote to memory of 2004	2200	rundll32.exe	28
PID 2200 wrote to memory of 2004	2200	rundll32.exe	28
PID 2200 wrote to memory of 2004	2200	rundll32.exe	28
PID 2200 wrote to memory of 2004	2200	rundll32.exe	28
PID 2004 wrote to memory of 2312	2004	rundll32.exe	31
PID 2004 wrote to memory of 2312	2004	rundll32.exe	31
PID 2004 wrote to memory of 2312	2004	rundll32.exe	31
PID 2004 wrote to memory of 2312	2004	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\170ff11802ca3e079cda72ba6c8f945fbe199341d03239ce7cfce8c231df5fe8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\170ff11802ca3e079cda72ba6c8f945fbe199341d03239ce7cfce8c231df5fe8.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 252
    3⤵
    - Program crash
    PID:2312

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/2004-2-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

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memory/2004-0-0x00000000751F0000-0x0000000075220000-memory.dmp

Filesize
192KB

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