dridex | 3d7f7ed991301348d3ea505a495fb0b92179bd1edda0f38edd1dc00fd5570f18

Analysis

max time kernel
95s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 23:07

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General

Target

JaffaCakes118_3d7f7ed991301348d3ea505a495fb0b92179bd1edda0f38edd1dc00fd5570f18.dll
Size

204KB
MD5

aae9c186744623f3d3b6647a502d24da
SHA1

44889bb081e00c9287aeea591721cfc4a1f0882e
SHA256

3d7f7ed991301348d3ea505a495fb0b92179bd1edda0f38edd1dc00fd5570f18
SHA512

46abb68bcfff3aa30ca849b5ff45b68a7d1aa73cbf36c490f2a336f2aefa167a745e9e524df3e249ecbd8e774f7522598b9c2d548c8eea5fda2062d8e80ff910
SSDEEP

3072:b6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:bZuX6pEaeEDheWa+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
behavioral1/memory/2492-0-0x0000000075030000-0x0000000075065000-memory.dmp	dridex_ldr
behavioral1/memory/2492-3-0x0000000075030000-0x0000000075065000-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 7 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 2492	1236	rundll32.exe	31
PID 1236 wrote to memory of 2492	1236	rundll32.exe	31
PID 1236 wrote to memory of 2492	1236	rundll32.exe	31
PID 1236 wrote to memory of 2492	1236	rundll32.exe	31
PID 1236 wrote to memory of 2492	1236	rundll32.exe	31
PID 1236 wrote to memory of 2492	1236	rundll32.exe	31
PID 1236 wrote to memory of 2492	1236	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d7f7ed991301348d3ea505a495fb0b92179bd1edda0f38edd1dc00fd5570f18.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d7f7ed991301348d3ea505a495fb0b92179bd1edda0f38edd1dc00fd5570f18.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2492

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/2492-2-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2492-0-0x0000000075030000-0x0000000075065000-memory.dmp

Filesize
212KB

Download
memory/2492-3-0x0000000075030000-0x0000000075065000-memory.dmp

Filesize
212KB

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