dridex | a7112558eec180e34bd7f143624446893caa99b56820382b1a7f803f5ce52827

Analysis

max time kernel
106s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 20:09

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General

Target

9f439c727b9c0729e7ff3d597fadd0e0N.dll
Size

184KB
MD5

9f439c727b9c0729e7ff3d597fadd0e0
SHA1

d5f1e2b2d699ad41d03b608aae5ab141d599dedb
SHA256

a7112558eec180e34bd7f143624446893caa99b56820382b1a7f803f5ce52827
SHA512

7469ca38c1f04340f803f8dd9fa51ac01ea6fc65f913d9d923ea315fca656de5a2c0a6b562299c1d0d5f3872f7f14484d2ad43a6c34a122c009ca17db6db21a0
SSDEEP

3072:9JQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JPa//2uFrSc:GfYOX+wTScR/Xzku9LVw0uG

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
behavioral2/memory/5064-1-0x0000000074C60000-0x0000000074C8F000-memory.dmp	dridex_ldr
behavioral2/memory/5064-2-0x0000000074C60000-0x0000000074C8F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4840	5064	WerFault.exe	86

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 3 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 5064	2296	rundll32.exe	86
PID 2296 wrote to memory of 5064	2296	rundll32.exe	86
PID 2296 wrote to memory of 5064	2296	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f439c727b9c0729e7ff3d597fadd0e0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9f439c727b9c0729e7ff3d597fadd0e0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5064
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5064 -s 620
    3⤵
    - Program crash
    PID:4840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 5064 -ip 5064
1⤵
PID:1952

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/5064-0-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download
memory/5064-1-0x0000000074C60000-0x0000000074C8F000-memory.dmp

Filesize
188KB

Download
memory/5064-2-0x0000000074C60000-0x0000000074C8F000-memory.dmp

Filesize
188KB

Download
memory/5064-3-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download