dridex | 3a84adafb81480df9dca523b77a02182e86a51c7738bd549c55ff9b6b85628eb

Analysis

max time kernel
60s
max time network
151s
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 21:03

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General

Target

JaffaCakes118_3a84adafb81480df9dca523b77a02182e86a51c7738bd549c55ff9b6b85628eb.dll
Size

204KB
MD5

ab3ebc18ba9146e284d97b9e7a4f2d3f
SHA1

306793d41c7980c480220b1803329326a288a2cb
SHA256

3a84adafb81480df9dca523b77a02182e86a51c7738bd549c55ff9b6b85628eb
SHA512

0c53b8105d90a0dac2e621eb8391b05ec97174eafe6582ec7a6b20da5200ba50e1b3ecbd1daebd111fb02fcf804a71edaf1d67493dadc5c64af212740c4667ad
SSDEEP

3072:K6FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:KZuX6pEaeEDheWa+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/4996-0-0x00000000758E0000-0x0000000075915000-memory.dmp	dridex_ldr
behavioral2/memory/4996-3-0x00000000758E0000-0x0000000075915000-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 1360 wrote to memory of 4996	1360	rundll32.exe	82
PID 1360 wrote to memory of 4996	1360	rundll32.exe	82
PID 1360 wrote to memory of 4996	1360	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a84adafb81480df9dca523b77a02182e86a51c7738bd549c55ff9b6b85628eb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1360
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a84adafb81480df9dca523b77a02182e86a51c7738bd549c55ff9b6b85628eb.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:4996

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/4996-0-0x00000000758E0000-0x0000000075915000-memory.dmp

Filesize
212KB

Download
memory/4996-2-0x0000000001F40000-0x0000000001F46000-memory.dmp

Filesize
24KB

Download
memory/4996-3-0x00000000758E0000-0x0000000075915000-memory.dmp

Filesize
212KB

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