dridex | ce877eb89fbe6957092e1a23843eb775b4b6cfdffb8a940a5a39f630b18a53a3

Analysis

max time kernel
110s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
16-08-2024 03:19

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General

Target

e659fd75ee98c5992217fcf9403dec50N.dll
Size

184KB
MD5

e659fd75ee98c5992217fcf9403dec50
SHA1

161c7ea19c72e905e2b1d18812caf983f5857a08
SHA256

ce877eb89fbe6957092e1a23843eb775b4b6cfdffb8a940a5a39f630b18a53a3
SHA512

07efdb64cea9a6065d7b16b372606289291490be4c1d4b3584cf7814163305d642abe32148c2f7c9c855e33b01990306fe559af5a29f3ae5b1f75e9bc7d5f093
SSDEEP

3072:dJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JTa//2uFrSc:mfYOX+wTScR/Xzku9LVwsuG

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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/1732-1-0x00000000746F0000-0x000000007471F000-memory.dmp	dridex_ldr
behavioral1/memory/1732-2-0x00000000746F0000-0x000000007471F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2328	1732	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 2576 wrote to memory of 1732	2576	rundll32.exe	30
PID 2576 wrote to memory of 1732	2576	rundll32.exe	30
PID 2576 wrote to memory of 1732	2576	rundll32.exe	30
PID 2576 wrote to memory of 1732	2576	rundll32.exe	30
PID 2576 wrote to memory of 1732	2576	rundll32.exe	30
PID 2576 wrote to memory of 1732	2576	rundll32.exe	30
PID 2576 wrote to memory of 1732	2576	rundll32.exe	30
PID 1732 wrote to memory of 2328	1732	rundll32.exe	32
PID 1732 wrote to memory of 2328	1732	rundll32.exe	32
PID 1732 wrote to memory of 2328	1732	rundll32.exe	32
PID 1732 wrote to memory of 2328	1732	rundll32.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e659fd75ee98c5992217fcf9403dec50N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2576
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e659fd75ee98c5992217fcf9403dec50N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1732
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 220
    3⤵
    - Program crash
    PID:2328

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/1732-0-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/1732-1-0x00000000746F0000-0x000000007471F000-memory.dmp

Filesize
188KB

Download
memory/1732-2-0x00000000746F0000-0x000000007471F000-memory.dmp

Filesize
188KB

Download
memory/1732-3-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download