dridex | 23ab78a7d9dc6a8117b9a96bfc66c82a423ace7da890cb92ce314defe1e8a1fb

Analysis

max time kernel
61s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 16:15

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General

Target

23ab78a7d9dc6a8117b9a96bfc66c82a423ace7da890cb92ce314defe1e8a1fb.dll
Size

204KB
MD5

67cba36ed2cfa17c48d7bdb57e010673
SHA1

cc8a64e53ce2602ee9d141b4ab07bb0c1e68a583
SHA256

23ab78a7d9dc6a8117b9a96bfc66c82a423ace7da890cb92ce314defe1e8a1fb
SHA512

cd77bb6436533274d00a564a2c6ab9446dfbcb2337fd2576203f4784d5e7f1bd767f4e9f67d7314f77980a73bc295fe33737e7c9df427b2b7237d4dcecf0c1df
SSDEEP

3072:F6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:FZuX6pEaeEDheWa+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
behavioral2/memory/4236-1-0x0000000074A80000-0x0000000074AB5000-memory.dmp	dridex_ldr
behavioral2/memory/4236-4-0x0000000074A80000-0x0000000074AB5000-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 3 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 4236	2844	rundll32.exe	84
PID 2844 wrote to memory of 4236	2844	rundll32.exe	84
PID 2844 wrote to memory of 4236	2844	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\23ab78a7d9dc6a8117b9a96bfc66c82a423ace7da890cb92ce314defe1e8a1fb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\23ab78a7d9dc6a8117b9a96bfc66c82a423ace7da890cb92ce314defe1e8a1fb.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4236

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/4236-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/4236-1-0x0000000074A80000-0x0000000074AB5000-memory.dmp

Filesize
212KB

Download
memory/4236-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/4236-4-0x0000000074A80000-0x0000000074AB5000-memory.dmp

Filesize
212KB

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