dridex | 9bca1a90a4a13d5754fb125f3b7b759f1e6d8d0b09b0fbb4be2895aa094567f4

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
04-09-2024 20:35

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General

Target

dd442599802dce9770fdf13ff4db0e90N.dll
Size

188KB
MD5

dd442599802dce9770fdf13ff4db0e90
SHA1

207bad5c360dd8906bc1eeabcd573ac17050dda1
SHA256

9bca1a90a4a13d5754fb125f3b7b759f1e6d8d0b09b0fbb4be2895aa094567f4
SHA512

dde90466aff5e713b55fee4925e12f81f1a7b145c1e54801b9149ec4819c22c197911e10a4550430803367c7eb80231416d1f880118f062937cf13013184781b
SSDEEP

3072:CteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzN9qM:qq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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/3024-1-0x0000000075400000-0x0000000075430000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2916	3024	WerFault.exe	31

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 2972 wrote to memory of 3024	2972	rundll32.exe	31
PID 2972 wrote to memory of 3024	2972	rundll32.exe	31
PID 2972 wrote to memory of 3024	2972	rundll32.exe	31
PID 2972 wrote to memory of 3024	2972	rundll32.exe	31
PID 2972 wrote to memory of 3024	2972	rundll32.exe	31
PID 2972 wrote to memory of 3024	2972	rundll32.exe	31
PID 2972 wrote to memory of 3024	2972	rundll32.exe	31
PID 3024 wrote to memory of 2916	3024	rundll32.exe	32
PID 3024 wrote to memory of 2916	3024	rundll32.exe	32
PID 3024 wrote to memory of 2916	3024	rundll32.exe	32
PID 3024 wrote to memory of 2916	3024	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd442599802dce9770fdf13ff4db0e90N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dd442599802dce9770fdf13ff4db0e90N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3024
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3024 -s 300
    3⤵
    - Program crash
    PID:2916

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/3024-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3024-1-0x0000000075400000-0x0000000075430000-memory.dmp

Filesize
192KB

Download
memory/3024-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download