dridex | 9c91ecada01560b80441e7f636f91bdb08c299f0f9bac4076b378c28fe496984

Analysis

max time kernel
84s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:19

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General

Target

JaffaCakes118_9c91ecada01560b80441e7f636f91bdb08c299f0f9bac4076b378c28fe496984.dll
Size

204KB
MD5

709562e4ae621d63ca592ec99dea9721
SHA1

3d21a010adf830ed30e40a1af09175c14d90e394
SHA256

9c91ecada01560b80441e7f636f91bdb08c299f0f9bac4076b378c28fe496984
SHA512

389fe7474142f5fab58beb53b95673e85714cb3b72ce3f5997c92b0e797c7c2acb033b9260b1390f8c83ebf1ee7eec8aea3bfce80b42768df429668e76832257
SSDEEP

3072:16FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:1ZuX6pEaeEDheWa+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/3020-1-0x0000000074D30000-0x0000000074D65000-memory.dmp	dridex_ldr
behavioral1/memory/3020-2-0x0000000074D30000-0x0000000074D65000-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 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30
PID 3004 wrote to memory of 3020	3004	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c91ecada01560b80441e7f636f91bdb08c299f0f9bac4076b378c28fe496984.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c91ecada01560b80441e7f636f91bdb08c299f0f9bac4076b378c28fe496984.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3020

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/3020-0-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/3020-1-0x0000000074D30000-0x0000000074D65000-memory.dmp

Filesize
212KB

Download
memory/3020-2-0x0000000074D30000-0x0000000074D65000-memory.dmp

Filesize
212KB

Download
memory/3020-3-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

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