dridex | fc0b901f4d99b117a76ae1daab7df6c89528579bacba60157cef8818497b5c24

Analysis

max time kernel
125s
max time network
154s
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 22:10

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General

Target

JaffaCakes118_fc0b901f4d99b117a76ae1daab7df6c89528579bacba60157cef8818497b5c24.dll
Size

204KB
MD5

c3a248079c01088feb8f65299965dd61
SHA1

b08630b39085dc1144a2c8e8a9f1adf4bf0e5c9f
SHA256

fc0b901f4d99b117a76ae1daab7df6c89528579bacba60157cef8818497b5c24
SHA512

7a13bce6d49f6a2d46e083b2caa6969b8c590b5bfe631c59f4f914aa8ddcc315b09d5a42ef198e44a7a5dbc9483b8b0d46a72684e8297a973888b21c34ed795b
SSDEEP

3072:36FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:3ZuX6pEaeEDheWa+Jc9bhorfTw

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

45.58.56.12:443

162.241.54.59:6601

51.91.76.89:2303

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/2176-1-0x0000000074C80000-0x0000000074CB5000-memory.dmp	dridex_ldr
behavioral2/memory/2176-4-0x0000000074C80000-0x0000000074CB5000-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 3176 wrote to memory of 2176	3176	rundll32.exe	82
PID 3176 wrote to memory of 2176	3176	rundll32.exe	82
PID 3176 wrote to memory of 2176	3176	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fc0b901f4d99b117a76ae1daab7df6c89528579bacba60157cef8818497b5c24.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_fc0b901f4d99b117a76ae1daab7df6c89528579bacba60157cef8818497b5c24.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2176

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

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Downloads

memory/2176-0-0x0000000000ED0000-0x0000000000ED6000-memory.dmp

Filesize
24KB

Download
memory/2176-1-0x0000000074C80000-0x0000000074CB5000-memory.dmp

Filesize
212KB

Download
memory/2176-3-0x0000000000ED0000-0x0000000000ED6000-memory.dmp

Filesize
24KB

Download
memory/2176-4-0x0000000074C80000-0x0000000074CB5000-memory.dmp

Filesize
212KB

Download