dridex | c275818c619b95d2f60fea77153981e3aa6a5afd7d643d80fdb2ef06f53b5ded

Analysis

max time kernel
60s
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 18:29

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General

Target

JaffaCakes118_c275818c619b95d2f60fea77153981e3aa6a5afd7d643d80fdb2ef06f53b5ded.dll
Size

204KB
MD5

9d02983e579aa06947bcc240abdd67fe
SHA1

225ac6786998e61df8d641ecb9f059e424ddfd1f
SHA256

c275818c619b95d2f60fea77153981e3aa6a5afd7d643d80fdb2ef06f53b5ded
SHA512

085ae1226debc940ac7d577fffbfdd8b9322765b04344077b960606999caafc9e4a7f9aa174bbb8d0cab3c79a7854e26a87627fea9f5798a592cb656b18f8b2d
SSDEEP

3072:M6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:MZuX6pEaeEDheWa+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/2500-1-0x0000000075090000-0x00000000750C5000-memory.dmp	dridex_ldr
behavioral1/memory/2500-2-0x0000000075090000-0x00000000750C5000-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 2088 wrote to memory of 2500	2088	rundll32.exe	30
PID 2088 wrote to memory of 2500	2088	rundll32.exe	30
PID 2088 wrote to memory of 2500	2088	rundll32.exe	30
PID 2088 wrote to memory of 2500	2088	rundll32.exe	30
PID 2088 wrote to memory of 2500	2088	rundll32.exe	30
PID 2088 wrote to memory of 2500	2088	rundll32.exe	30
PID 2088 wrote to memory of 2500	2088	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c275818c619b95d2f60fea77153981e3aa6a5afd7d643d80fdb2ef06f53b5ded.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c275818c619b95d2f60fea77153981e3aa6a5afd7d643d80fdb2ef06f53b5ded.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2500

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/2500-0-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2500-1-0x0000000075090000-0x00000000750C5000-memory.dmp

Filesize
212KB

Download
memory/2500-2-0x0000000075090000-0x00000000750C5000-memory.dmp

Filesize
212KB

Download
memory/2500-3-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

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