dridex | 37f4dd750db90558955114c67ad8e89d745a750b8b4a388e48d354f307164a6e

Analysis

max time kernel
122s
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 19:17

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General

Target

JaffaCakes118_37f4dd750db90558955114c67ad8e89d745a750b8b4a388e48d354f307164a6e.dll
Size

161KB
MD5

3007a0c6d34d87d95a2dfe6a97e93446
SHA1

4a806d748586448b2a79c8f6fe159ce74d1a5563
SHA256

37f4dd750db90558955114c67ad8e89d745a750b8b4a388e48d354f307164a6e
SHA512

068c12e0781bb0819f163339be4c7df8d03929b49e012e0cac8f8d06623675f26b173f18b2cccddf3215a7f8dcfc003fa7e2c431f2d902b35d5fafacabeaf5db
SSDEEP

3072:olpmktgw9IAMlZxSGg7ypZIQ404g51acpg0xZtCVxwVeXm7YP1cOPpiihEY:olo0gw4ZMypZp45g51aXotOxwVeXm7Ym

Score

10^/10

dridex 40111 botnet discovery evasion loader trojan

Malware Config

Extracted

Family

dridex

Botnet

40111

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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/1156-1-0x00000000751D0000-0x00000000751FE000-memory.dmp	dridex_ldr
behavioral1/memory/1156-4-0x00000000751D0000-0x00000000751FE000-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 352 wrote to memory of 1156	352	rundll32.exe	30
PID 352 wrote to memory of 1156	352	rundll32.exe	30
PID 352 wrote to memory of 1156	352	rundll32.exe	30
PID 352 wrote to memory of 1156	352	rundll32.exe	30
PID 352 wrote to memory of 1156	352	rundll32.exe	30
PID 352 wrote to memory of 1156	352	rundll32.exe	30
PID 352 wrote to memory of 1156	352	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37f4dd750db90558955114c67ad8e89d745a750b8b4a388e48d354f307164a6e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:352
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37f4dd750db90558955114c67ad8e89d745a750b8b4a388e48d354f307164a6e.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1156

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

Replay Monitor

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Downloads

memory/1156-0-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/1156-1-0x00000000751D0000-0x00000000751FE000-memory.dmp

Filesize
184KB

Download
memory/1156-3-0x0000000000150000-0x0000000000156000-memory.dmp

Filesize
24KB

Download
memory/1156-4-0x00000000751D0000-0x00000000751FE000-memory.dmp

Filesize
184KB

Download