dridex | bef9224086d8d762f7c9f4f299442bbfd25c62203b84b068223c431a9c8c3580

Analysis

max time kernel
62s
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, 04:13

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General

Target

JaffaCakes118_bef9224086d8d762f7c9f4f299442bbfd25c62203b84b068223c431a9c8c3580.dll
Size

204KB
MD5

24685cd8074140f036070a80090a1dc3
SHA1

183213adb6b87a01ffc5333d407f51c7aeef1836
SHA256

bef9224086d8d762f7c9f4f299442bbfd25c62203b84b068223c431a9c8c3580
SHA512

8d53fd2dbc9e401e88e34053590aa472910dceef2185b6cdfed2cca2d9a62597728a01a9ccd581823906ada7549e285fefd3e0df39cb3aed91ae16fe3019ad15
SSDEEP

3072:Y6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:YZuX6pEaeEDheWa+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/2540-1-0x0000000074AC0000-0x0000000074AF5000-memory.dmp	dridex_ldr
behavioral1/memory/2540-2-0x0000000074AC0000-0x0000000074AF5000-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 2304 wrote to memory of 2540	2304	rundll32.exe	30
PID 2304 wrote to memory of 2540	2304	rundll32.exe	30
PID 2304 wrote to memory of 2540	2304	rundll32.exe	30
PID 2304 wrote to memory of 2540	2304	rundll32.exe	30
PID 2304 wrote to memory of 2540	2304	rundll32.exe	30
PID 2304 wrote to memory of 2540	2304	rundll32.exe	30
PID 2304 wrote to memory of 2540	2304	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bef9224086d8d762f7c9f4f299442bbfd25c62203b84b068223c431a9c8c3580.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bef9224086d8d762f7c9f4f299442bbfd25c62203b84b068223c431a9c8c3580.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2540

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/2540-0-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2540-1-0x0000000074AC0000-0x0000000074AF5000-memory.dmp

Filesize
212KB

Download
memory/2540-3-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2540-2-0x0000000074AC0000-0x0000000074AF5000-memory.dmp

Filesize
212KB

Download