dridex | a88f7bff8622c872c89fcca9d7ead6d29e96d87c3d8ffa067ec125dabfb20ebf

Analysis

max time kernel
76s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:58

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General

Target

JaffaCakes118_a88f7bff8622c872c89fcca9d7ead6d29e96d87c3d8ffa067ec125dabfb20ebf.dll
Size

204KB
MD5

af0d1bbdddb7709756ede19122d04f5c
SHA1

965cd928321a7e8015cef2a4834f9dad1e0f000e
SHA256

a88f7bff8622c872c89fcca9d7ead6d29e96d87c3d8ffa067ec125dabfb20ebf
SHA512

e040862dd7da4922d4e45f1fefc3faed5812cad13c75ab31e760c829dd5fae5fab4fadf674cee716e8538c4fc80da9623e7f9e447560dd51f26c5bf300a9cff3
SSDEEP

3072:26FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:2ZuX6pEaeEDheWa+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/2204-1-0x00000000755B0000-0x00000000755E5000-memory.dmp	dridex_ldr
behavioral1/memory/2204-2-0x00000000755B0000-0x00000000755E5000-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 2492 wrote to memory of 2204	2492	rundll32.exe	30
PID 2492 wrote to memory of 2204	2492	rundll32.exe	30
PID 2492 wrote to memory of 2204	2492	rundll32.exe	30
PID 2492 wrote to memory of 2204	2492	rundll32.exe	30
PID 2492 wrote to memory of 2204	2492	rundll32.exe	30
PID 2492 wrote to memory of 2204	2492	rundll32.exe	30
PID 2492 wrote to memory of 2204	2492	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a88f7bff8622c872c89fcca9d7ead6d29e96d87c3d8ffa067ec125dabfb20ebf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a88f7bff8622c872c89fcca9d7ead6d29e96d87c3d8ffa067ec125dabfb20ebf.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2204

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/2204-0-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2204-1-0x00000000755B0000-0x00000000755E5000-memory.dmp

Filesize
212KB

Download
memory/2204-2-0x00000000755B0000-0x00000000755E5000-memory.dmp

Filesize
212KB

Download
memory/2204-3-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download