dridex | 733a8b30fb19fe04c9919ea79b065844854cfc2c4cbeb1ef0544c305999c1d2f

Analysis

max time kernel
118s
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 22:06

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General

Target

JaffaCakes118_733a8b30fb19fe04c9919ea79b065844854cfc2c4cbeb1ef0544c305999c1d2f.dll
Size

204KB
MD5

fcffaca83b19dbde724c80db6e32444b
SHA1

f6287e21e6833ba5293c9be67be7aafc95c0e6f0
SHA256

733a8b30fb19fe04c9919ea79b065844854cfc2c4cbeb1ef0544c305999c1d2f
SHA512

74432ce0806defd65b062bca5aaa94750b0a99eeea4d9eeba6a5844a414734dc453443ccb93a04335710b8431ec5424c27d1b3bfe63d1a98347c6786a906a4c7
SSDEEP

3072:Q6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:QZuX6pEaeEDheWa+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/3044-0-0x0000000074CA0000-0x0000000074CD5000-memory.dmp	dridex_ldr
behavioral1/memory/3044-3-0x0000000074CA0000-0x0000000074CD5000-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 2996 wrote to memory of 3044	2996	rundll32.exe	30
PID 2996 wrote to memory of 3044	2996	rundll32.exe	30
PID 2996 wrote to memory of 3044	2996	rundll32.exe	30
PID 2996 wrote to memory of 3044	2996	rundll32.exe	30
PID 2996 wrote to memory of 3044	2996	rundll32.exe	30
PID 2996 wrote to memory of 3044	2996	rundll32.exe	30
PID 2996 wrote to memory of 3044	2996	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_733a8b30fb19fe04c9919ea79b065844854cfc2c4cbeb1ef0544c305999c1d2f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2996
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_733a8b30fb19fe04c9919ea79b065844854cfc2c4cbeb1ef0544c305999c1d2f.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3044

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/3044-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3044-0-0x0000000074CA0000-0x0000000074CD5000-memory.dmp

Filesize
212KB

Download
memory/3044-3-0x0000000074CA0000-0x0000000074CD5000-memory.dmp

Filesize
212KB

Download