dridex | a2165f46bfc5fc952fcec75ef9733d66b8991260f59131c2ed1b5cc040712c49

Analysis

max time kernel
26s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 16:13

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General

Target

a2165f46bfc5fc952fcec75ef9733d66b8991260f59131c2ed1b5cc040712c49.dll
Size

177KB
MD5

b4ffb69e0b42c88d069019edac0570a5
SHA1

fd030e46d5a019dc7e9976c6ee6df98aafefce32
SHA256

a2165f46bfc5fc952fcec75ef9733d66b8991260f59131c2ed1b5cc040712c49
SHA512

8a0381c6a5190f543ffd6b5d30917cf4f8b0d660213dc6ef4f699855b92fc6173c9353ae8bfe131437a653c3c432f5beabd13a10df8f21c023162a944fa75c0c
SSDEEP

3072:/uCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJ:7zWxkOP4p2EesvcDi6DOHPJ

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 family
dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral1/memory/2548-1-0x0000000075130000-0x0000000075161000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2976	2548	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 2496 wrote to memory of 2548	2496	rundll32.exe	30
PID 2496 wrote to memory of 2548	2496	rundll32.exe	30
PID 2496 wrote to memory of 2548	2496	rundll32.exe	30
PID 2496 wrote to memory of 2548	2496	rundll32.exe	30
PID 2496 wrote to memory of 2548	2496	rundll32.exe	30
PID 2496 wrote to memory of 2548	2496	rundll32.exe	30
PID 2496 wrote to memory of 2548	2496	rundll32.exe	30
PID 2548 wrote to memory of 2976	2548	rundll32.exe	31
PID 2548 wrote to memory of 2976	2548	rundll32.exe	31
PID 2548 wrote to memory of 2976	2548	rundll32.exe	31
PID 2548 wrote to memory of 2976	2548	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a2165f46bfc5fc952fcec75ef9733d66b8991260f59131c2ed1b5cc040712c49.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a2165f46bfc5fc952fcec75ef9733d66b8991260f59131c2ed1b5cc040712c49.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 224
    3⤵
    - Program crash
    PID:2976

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

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Downloads

memory/2548-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2548-1-0x0000000075130000-0x0000000075161000-memory.dmp

Filesize
196KB

Download
memory/2548-3-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download