dridex | b614fa9f5fa8208d0d177057a9de49c17bab22d4e36018c6305defee1853c22e

Analysis

max time kernel
90s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 19:31

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General

Target

JaffaCakes118_b614fa9f5fa8208d0d177057a9de49c17bab22d4e36018c6305defee1853c22e.dll
Size

154KB
MD5

4dc1d90708a19ae4deaf80e1c568fb7d
SHA1

6f02d42288348e1ebc06108309d77f51b75f7097
SHA256

b614fa9f5fa8208d0d177057a9de49c17bab22d4e36018c6305defee1853c22e
SHA512

3b9895c2a13115fe3926d632b9ca2a4edd4c1fb629d6f78332e3d9a38141511f6dd18e53e14208f7028e30e2409be62ba3ac8898e99e67a0d4f7b2bc0029154d
SSDEEP

3072:CZ+9Q25AHEf/2gUU7uZAOCIB0IgESXZyX/sS5eqLrNWBC:tQeVf/2gUU76rDeIgESXZmYYa

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

rc4.plain

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4220-1-0x00000000751C0000-0x00000000751ED000-memory.dmp	dridex_ldr
behavioral2/memory/4220-4-0x00000000751C0000-0x00000000751ED000-memory.dmp	dridex_ldr

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

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 4468 wrote to memory of 4220	4468	rundll32.exe	83
PID 4468 wrote to memory of 4220	4468	rundll32.exe	83
PID 4468 wrote to memory of 4220	4468	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b614fa9f5fa8208d0d177057a9de49c17bab22d4e36018c6305defee1853c22e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4468
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b614fa9f5fa8208d0d177057a9de49c17bab22d4e36018c6305defee1853c22e.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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/4220-0-0x0000000001240000-0x0000000001246000-memory.dmp

Filesize
24KB

Download
memory/4220-1-0x00000000751C0000-0x00000000751ED000-memory.dmp

Filesize
180KB

Download
memory/4220-3-0x0000000001240000-0x0000000001246000-memory.dmp

Filesize
24KB

Download
memory/4220-4-0x00000000751C0000-0x00000000751ED000-memory.dmp

Filesize
180KB

Download