dridex | 2bfa402340a72e4f57ceffa2884c8461840cc5634192677ef6c8e5dd43740022

Analysis

max time kernel
63s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 21:47

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General

Target

JaffaCakes118_2bfa402340a72e4f57ceffa2884c8461840cc5634192677ef6c8e5dd43740022.dll
Size

204KB
MD5

cf64c27205772b0d5b48fef16fb1745d
SHA1

d3182336f34a79afad9207367bc78637b1194a13
SHA256

2bfa402340a72e4f57ceffa2884c8461840cc5634192677ef6c8e5dd43740022
SHA512

838e59f489128ee04da28a0e709c0ad614c45bd836cf5d2c1fd09607715d622a017caa102ac7d3fd9ffea7490b050f19ffabac0f6c606a6ab7238eb2a852bf21
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
behavioral2/memory/4872-1-0x0000000074950000-0x0000000074985000-memory.dmp	dridex_ldr
behavioral2/memory/4872-2-0x0000000074950000-0x0000000074985000-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 1216 wrote to memory of 4872	1216	rundll32.exe	83
PID 1216 wrote to memory of 4872	1216	rundll32.exe	83
PID 1216 wrote to memory of 4872	1216	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bfa402340a72e4f57ceffa2884c8461840cc5634192677ef6c8e5dd43740022.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bfa402340a72e4f57ceffa2884c8461840cc5634192677ef6c8e5dd43740022.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4872

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/4872-0-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

Download
memory/4872-1-0x0000000074950000-0x0000000074985000-memory.dmp

Filesize
212KB

Download
memory/4872-2-0x0000000074950000-0x0000000074985000-memory.dmp

Filesize
212KB

Download
memory/4872-3-0x0000000000CF0000-0x0000000000CF6000-memory.dmp

Filesize
24KB

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