dridex | 66994fef2443f548d70d74c6315531df243524fa8dab8eed525be28b6d0f175d

Analysis

max time kernel
102s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-08-2024 20:44

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General

Target

72dd9bf323f6eb515b1271d7d34ac740N.dll
Size

184KB
MD5

72dd9bf323f6eb515b1271d7d34ac740
SHA1

7869167a9232e1e7048af9a44cae790375d46c34
SHA256

66994fef2443f548d70d74c6315531df243524fa8dab8eed525be28b6d0f175d
SHA512

e13d649af4e753b96b4a6a9c6b8884845bb331ee9980c6c37de8bc2398199b5e859cef3606747611e13e7ce7826d1ea39aff88d8f630463494786b2a6fcea7ad
SSDEEP

3072:uJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JWa//2uFrSc:XfYOX+wTScR/Xzku9LVwluG

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

Processes:

resource	yara_rule
behavioral2/memory/1080-1-0x0000000075020000-0x000000007504F000-memory.dmp	dridex_ldr
behavioral2/memory/1080-2-0x0000000075020000-0x000000007504F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2132	1080	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

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 316 wrote to memory of 1080	316	rundll32.exe	86
PID 316 wrote to memory of 1080	316	rundll32.exe	86
PID 316 wrote to memory of 1080	316	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\72dd9bf323f6eb515b1271d7d34ac740N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\72dd9bf323f6eb515b1271d7d34ac740N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1080
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1080 -s 616
    3⤵
    - Program crash
    PID:2132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1080 -ip 1080
1⤵
PID:1544

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/1080-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/1080-1-0x0000000075020000-0x000000007504F000-memory.dmp

Filesize
188KB

Download
memory/1080-2-0x0000000075020000-0x000000007504F000-memory.dmp

Filesize
188KB

Download
memory/1080-3-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download