dridex | c9d5808e3607fefa76c993ecf7eb992051aab448d67addd55aefcbb5548e95fc

Analysis

max time kernel
136s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2024 13:47

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General

Target

02da56ab49f16bbb06c64e8cf2278700N.dll
Size

188KB
MD5

02da56ab49f16bbb06c64e8cf2278700
SHA1

c469e75ba3cf51e505820673d54945bd5fbed6a8
SHA256

c9d5808e3607fefa76c993ecf7eb992051aab448d67addd55aefcbb5548e95fc
SHA512

d1a57139421e5fee69403ede32aa013d113b8e87b75c4881316859cdc73095aa294a7fdb68d4501c000f5d43d047214c91a8256541a80279c8316b42efc2fc06
SSDEEP

3072:dWa3N1eqJ7cNe58per6JpynepWHVD9qMe402JYIUk9H8Iz83SWr9klSC:7xwO/Spynep6VDcMeQeIUk9cI6j5

Score

10^/10

dridex 22202 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22202

134.209.182.12:443

188.40.100.254:4664

103.109.247.9:10443

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/4584-0-0x0000000074E50000-0x0000000074E80000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4952	4584	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 4016 wrote to memory of 4584	4016	rundll32.exe	84
PID 4016 wrote to memory of 4584	4016	rundll32.exe	84
PID 4016 wrote to memory of 4584	4016	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\02da56ab49f16bbb06c64e8cf2278700N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\02da56ab49f16bbb06c64e8cf2278700N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4584
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4584 -s 648
    3⤵
    - Program crash
    PID:4952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4584 -ip 4584
1⤵
PID:4544

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/4584-0-0x0000000074E50000-0x0000000074E80000-memory.dmp

Filesize
192KB

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memory/4584-2-0x0000000000D40000-0x0000000000D46000-memory.dmp

Filesize
24KB

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