dridex | 30b6438b14eac5337f6d0f81997a4fce356611fc19155ae3650d5df21e894e74

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01/07/2024, 23:46

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General

Target

1cfba0904f4423463f764a11a6fd4251_JaffaCakes118.dll
Size

920KB
MD5

1cfba0904f4423463f764a11a6fd4251
SHA1

a00c004b4de481c921c5ad2c98dcd87724b4b0a1
SHA256

30b6438b14eac5337f6d0f81997a4fce356611fc19155ae3650d5df21e894e74
SHA512

cc902fe1d2206b0f584fe3c0ba3874db4189a4f226da4c54a2a632deb719bb3d58cf934b467c58ad2d0ffcdd2672aef96b79e118c17a067d05ead2e4a3879a5f
SSDEEP

24576:bwWfnaVoffEQmyO378WTkvEKT9Hgce1BHboDCm:cuaq34yDWTkvvT9HgdboDC

Score

10^/10

dridex 10444 botnet discovery evasion trojan

Malware Config

Extracted

Family

dridex

Botnet

10444

209.20.87.138:443

198.1.115.153:8172

151.236.29.248:6516

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Blocklisted process makes network request 2 IoCs

flow	pid	Process
3	2372	rundll32.exe
5	2372	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 2372	1712	rundll32.exe	28
PID 1712 wrote to memory of 2372	1712	rundll32.exe	28
PID 1712 wrote to memory of 2372	1712	rundll32.exe	28
PID 1712 wrote to memory of 2372	1712	rundll32.exe	28
PID 1712 wrote to memory of 2372	1712	rundll32.exe	28
PID 1712 wrote to memory of 2372	1712	rundll32.exe	28
PID 1712 wrote to memory of 2372	1712	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1cfba0904f4423463f764a11a6fd4251_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1cfba0904f4423463f764a11a6fd4251_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks whether UAC is enabled
  PID:2372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2372-0-0x00000000745E5000-0x00000000745E9000-memory.dmp

Filesize
16KB

Download
memory/2372-1-0x0000000074500000-0x0000000074641000-memory.dmp

Filesize
1.3MB

Download
memory/2372-3-0x0000000074500000-0x0000000074641000-memory.dmp

Filesize
1.3MB

Download
memory/2372-4-0x0000000074500000-0x0000000074641000-memory.dmp

Filesize
1.3MB

Download
memory/2372-6-0x00000000745E5000-0x00000000745E9000-memory.dmp

Filesize
16KB

Download