dridex | 8f79668b34d5ca626cef262c0766033fe13a21fe32b962242f235f3d68f4543a

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-08-2024 22:23

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General

Target

8f79668b34d5ca626cef262c0766033fe13a21fe32b962242f235f3d68f4543a.dll
Size

184KB
MD5

50c020767b65f7c30c6ea02531fa89f7
SHA1

42d4f22c1bf5acfe16c9b4646e86676c94edc9a5
SHA256

8f79668b34d5ca626cef262c0766033fe13a21fe32b962242f235f3d68f4543a
SHA512

039e2a72a53e6c4980525b9812cfb8df91867db1cfad8122882ba5319ccff74f34b32aa3a2da44217c18664953c3a0a10918804aab11a94507952e0425eea6e0
SSDEEP

3072:LiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eaoXlzoxss7:LiLVCIT4WK2z1W+CUHZj4Skq/eaoloC

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

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 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral2/memory/4672-0-0x0000000075850000-0x000000007587F000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1220	4672	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

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 1084 wrote to memory of 4672	1084	rundll32.exe	84
PID 1084 wrote to memory of 4672	1084	rundll32.exe	84
PID 1084 wrote to memory of 4672	1084	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f79668b34d5ca626cef262c0766033fe13a21fe32b962242f235f3d68f4543a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8f79668b34d5ca626cef262c0766033fe13a21fe32b962242f235f3d68f4543a.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4672
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4672 -s 616
    3⤵
    - Program crash
    PID:1220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4672 -ip 4672
1⤵
PID:3792

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/4672-0-0x0000000075850000-0x000000007587F000-memory.dmp

Filesize
188KB

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memory/4672-2-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

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