dridex | 771b977740b937a9d090a6e3db75190435538d791bcd0c53c7050067ec765d74

Analysis

max time kernel
92s
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, 20:56

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General

Target

JaffaCakes118_771b977740b937a9d090a6e3db75190435538d791bcd0c53c7050067ec765d74.dll
Size

204KB
MD5

f64080ece0b203b68373bac924b97535
SHA1

006d2e10647f8952c6b3a1abb052ad9c990957fd
SHA256

771b977740b937a9d090a6e3db75190435538d791bcd0c53c7050067ec765d74
SHA512

5f489b0bd68b4ebf0f4cc394424812a502cbf1a93e537b8c86b755ed99efd80b2601487ffa233a55e50444240b507ae6c20e1c0986ba7614691d614fabddf067
SSDEEP

3072:16FOf6h8i6pdDPvaaeEGObTS/HaoGoK9kN+Jcr9bhrFKL3fJpwZ:1ZuX6pEaeEDheWa+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/1164-0-0x0000000075010000-0x0000000075045000-memory.dmp	dridex_ldr
behavioral2/memory/1164-3-0x0000000075010000-0x0000000075045000-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 1036 wrote to memory of 1164	1036	rundll32.exe	82
PID 1036 wrote to memory of 1164	1036	rundll32.exe	82
PID 1036 wrote to memory of 1164	1036	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_771b977740b937a9d090a6e3db75190435538d791bcd0c53c7050067ec765d74.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_771b977740b937a9d090a6e3db75190435538d791bcd0c53c7050067ec765d74.dll,#1
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  PID:1164

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/1164-0-0x0000000075010000-0x0000000075045000-memory.dmp

Filesize
212KB

Download
memory/1164-2-0x00000000008D0000-0x00000000008D6000-memory.dmp

Filesize
24KB

Download
memory/1164-3-0x0000000075010000-0x0000000075045000-memory.dmp

Filesize
212KB

Download