dridex | b34e58ec10c91b8c8e8d71f7ab9906a463ca89a51915fd98dee54b89be9960a3

Analysis

max time kernel
73s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 01:04

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General

Target

a31df16510d93d5c0289a1013fd7b4e0N.dll
Size

236KB
MD5

a31df16510d93d5c0289a1013fd7b4e0
SHA1

d26fe1b86f3a9b683caab3f850ce6a12b8e26896
SHA256

b34e58ec10c91b8c8e8d71f7ab9906a463ca89a51915fd98dee54b89be9960a3
SHA512

b8c0698bea96e90f0b90cc80121dc926672d1ac405c8cb9bcaeade0158392f00b5df1b5e042600f83eafe1af4c7faad23cd997f2b03e8e821741cfd6cd7cbdea
SSDEEP

6144:i1G3WVIOY6Bdjehj+qudd96ou/6mv5wdC:i1GmSafShjYdd96z/6cwdC

Score

10^/10

dridex 111 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

111

52.73.70.149:443

8.4.9.152:3786

185.246.87.202:3098

50.116.111.64:5353

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2228-0-0x0000000074F60000-0x0000000074F9D000-memory.dmp	dridex_ldr
behavioral1/memory/2228-3-0x0000000074F60000-0x0000000074F9D000-memory.dmp	dridex_ldr

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 1320 wrote to memory of 2228	1320	rundll32.exe	30
PID 1320 wrote to memory of 2228	1320	rundll32.exe	30
PID 1320 wrote to memory of 2228	1320	rundll32.exe	30
PID 1320 wrote to memory of 2228	1320	rundll32.exe	30
PID 1320 wrote to memory of 2228	1320	rundll32.exe	30
PID 1320 wrote to memory of 2228	1320	rundll32.exe	30
PID 1320 wrote to memory of 2228	1320	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a31df16510d93d5c0289a1013fd7b4e0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a31df16510d93d5c0289a1013fd7b4e0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2228-0-0x0000000074F60000-0x0000000074F9D000-memory.dmp

Filesize
244KB

Download
memory/2228-2-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2228-3-0x0000000074F60000-0x0000000074F9D000-memory.dmp

Filesize
244KB

Download