dridex | 4590ea45853dd0d4790c0e8323bea9de524dff040e3ab9d010c6541a44a306dc

Analysis

max time kernel
105s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-08-2024 00:39

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General

Target

442e235beb78628d6ce3efba12fc8df0N.dll
Size

174KB
MD5

442e235beb78628d6ce3efba12fc8df0
SHA1

fd2d92af8ff5abb3b229390afd3498011b28c2d9
SHA256

4590ea45853dd0d4790c0e8323bea9de524dff040e3ab9d010c6541a44a306dc
SHA512

4c0fee43b4cc53592c4803838d8f6e7c340c9dcba7352e0154a36b6ed0a1d6b0e296fb0cdc341830a5c52410dae7637e2b3c13011592fea67205db380c36e02e
SSDEEP

3072:9TcmA9VSRrhbm3F1tx7Tkf6rzyOQ9hUjWFv+yss6/WcNfkF:y9mhbm3F9U6rz+9h6WFWyss6/WcNO

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

178.128.220.64:30333

45.79.91.89:9987

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

Processes:

resource	yara_rule
behavioral2/memory/1892-0-0x0000000075220000-0x0000000075250000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
3036	1892	WerFault.exe	84

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

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 4392 wrote to memory of 1892	4392	rundll32.exe	84
PID 4392 wrote to memory of 1892	4392	rundll32.exe	84
PID 4392 wrote to memory of 1892	4392	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\442e235beb78628d6ce3efba12fc8df0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4392
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\442e235beb78628d6ce3efba12fc8df0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1892
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1892 -s 644
    3⤵
    - Program crash
    PID:3036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1892 -ip 1892
1⤵
PID:1584

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/1892-2-0x0000000000CC0000-0x0000000000CC6000-memory.dmp

Filesize
24KB

Download
memory/1892-0-0x0000000075220000-0x0000000075250000-memory.dmp

Filesize
192KB

Download