dridex | 8384f619c397d12b2965e919cb145a0d0bfcfeccba1f5d51bf4648ddb89a03cb

Analysis

max time kernel
64s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 21:45

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General

Target

JaffaCakes118_8384f619c397d12b2965e919cb145a0d0bfcfeccba1f5d51bf4648ddb89a03cb.dll
Size

204KB
MD5

4ed8e6e0f4d0af5b78b92eced87f8e19
SHA1

11efbc493c41204cf75859dfa082f1d1fb2dd427
SHA256

8384f619c397d12b2965e919cb145a0d0bfcfeccba1f5d51bf4648ddb89a03cb
SHA512

ed6f939495e02225e761699ef76eac99793792b22c22751c6e54278fcf615ec61698fda8eebab7374d300f9bfbb290a46a130cb0401a0325a588a2a3db3bf30a
SSDEEP

3072:M6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:MZuX6pEaeEDheWa+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/3056-1-0x0000000074D10000-0x0000000074D45000-memory.dmp	dridex_ldr
behavioral1/memory/3056-2-0x0000000074D10000-0x0000000074D45000-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 3040 wrote to memory of 3056	3040	rundll32.exe	30
PID 3040 wrote to memory of 3056	3040	rundll32.exe	30
PID 3040 wrote to memory of 3056	3040	rundll32.exe	30
PID 3040 wrote to memory of 3056	3040	rundll32.exe	30
PID 3040 wrote to memory of 3056	3040	rundll32.exe	30
PID 3040 wrote to memory of 3056	3040	rundll32.exe	30
PID 3040 wrote to memory of 3056	3040	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8384f619c397d12b2965e919cb145a0d0bfcfeccba1f5d51bf4648ddb89a03cb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8384f619c397d12b2965e919cb145a0d0bfcfeccba1f5d51bf4648ddb89a03cb.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:3056

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/3056-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3056-1-0x0000000074D10000-0x0000000074D45000-memory.dmp

Filesize
212KB

Download
memory/3056-2-0x0000000074D10000-0x0000000074D45000-memory.dmp

Filesize
212KB

Download
memory/3056-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

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