dridex | b25f4cb27e8c6063027925a6d25601fdf2c999fb50e8ff77fd64676441189b66

Analysis

max time kernel
50s
max time network
148s
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 20:11

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General

Target

JaffaCakes118_b25f4cb27e8c6063027925a6d25601fdf2c999fb50e8ff77fd64676441189b66.dll
Size

204KB
MD5

f353824160e55fba57b160ee0baf89e0
SHA1

7ebfceb59f3b7a3b873ae8e2058763b7065e8550
SHA256

b25f4cb27e8c6063027925a6d25601fdf2c999fb50e8ff77fd64676441189b66
SHA512

266854f934b5db605c4f9a1f2ab7a1f5371a651a0b8eed236edbedf9d38ea5949921c70026eacee0c52b519369235d1f4dea7e8b63fb08b66008a565db9cafaf
SSDEEP

3072:S6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:SZuX6pEaeEDheWa+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/2272-1-0x0000000075320000-0x0000000075355000-memory.dmp	dridex_ldr
behavioral2/memory/2272-4-0x0000000075320000-0x0000000075355000-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 4068 wrote to memory of 2272	4068	rundll32.exe	83
PID 4068 wrote to memory of 2272	4068	rundll32.exe	83
PID 4068 wrote to memory of 2272	4068	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b25f4cb27e8c6063027925a6d25601fdf2c999fb50e8ff77fd64676441189b66.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b25f4cb27e8c6063027925a6d25601fdf2c999fb50e8ff77fd64676441189b66.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:2272

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/2272-0-0x0000000001280000-0x0000000001286000-memory.dmp

Filesize
24KB

Download
memory/2272-1-0x0000000075320000-0x0000000075355000-memory.dmp

Filesize
212KB

Download
memory/2272-3-0x0000000001280000-0x0000000001286000-memory.dmp

Filesize
24KB

Download
memory/2272-4-0x0000000075320000-0x0000000075355000-memory.dmp

Filesize
212KB

Download