dridex | 39a70e2aadc823ff8fb1fe41f4885599e81c2c869e08bcf23efafc7efb97b59d

Analysis

max time kernel
110s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 05:27

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General

Target

1691ee8af1589da646535b0368f98b40N.dll
Size

179KB
MD5

1691ee8af1589da646535b0368f98b40
SHA1

aac651979e1bcec156fa0987d39fdaca80b87d72
SHA256

39a70e2aadc823ff8fb1fe41f4885599e81c2c869e08bcf23efafc7efb97b59d
SHA512

af70b64ef0b10cf9eeae17b706dcf3606200deb9a3d6aaa3828464bc963a875a0df7756c3129df97f7ca6e681fedc5652573a397e83a08eff7078a24fe5217b8
SSDEEP

3072:wuCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJj:czWxkOP4p2EesvcDi6DOHPJ0

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

rc4.plain

Signatures

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

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2436-1-0x0000000075030000-0x0000000075061000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2852	2436	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 2436	2720	rundll32.exe	30
PID 2720 wrote to memory of 2436	2720	rundll32.exe	30
PID 2720 wrote to memory of 2436	2720	rundll32.exe	30
PID 2720 wrote to memory of 2436	2720	rundll32.exe	30
PID 2720 wrote to memory of 2436	2720	rundll32.exe	30
PID 2720 wrote to memory of 2436	2720	rundll32.exe	30
PID 2720 wrote to memory of 2436	2720	rundll32.exe	30
PID 2436 wrote to memory of 2852	2436	rundll32.exe	31
PID 2436 wrote to memory of 2852	2436	rundll32.exe	31
PID 2436 wrote to memory of 2852	2436	rundll32.exe	31
PID 2436 wrote to memory of 2852	2436	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1691ee8af1589da646535b0368f98b40N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1691ee8af1589da646535b0368f98b40N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2436 -s 220
    3⤵
    - Program crash
    PID:2852

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/2436-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2436-1-0x0000000075030000-0x0000000075061000-memory.dmp

Filesize
196KB

Download
memory/2436-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download