dridex | df0a546f3c1fbfe17aa4312ad6b559d3bf2df71b4a49a2bff45f3109099979cd

Analysis

max time kernel
95s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09-09-2024 00:02

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General

Target

9bcaa600aafd13e9a24cbdb2ca683600N.dll
Size

277KB
MD5

9bcaa600aafd13e9a24cbdb2ca683600
SHA1

4581dc6fd8a3a54198c8774581cdc962cb5d284c
SHA256

df0a546f3c1fbfe17aa4312ad6b559d3bf2df71b4a49a2bff45f3109099979cd
SHA512

ccf7eff9df4350c266bccc2bc6ad379aa69cef35a058a5badc1d8e31aaae889c0061fa2023c063e78de3842642f14df2cea77d2ea33a46a3a35e1991532b4e9a
SSDEEP

6144:3zWxkOP4p2EesvcDi6DOHPJo3d0KJ4z1WE9au/4pAClIXJO9wMkPjCIeh0mzJMEl:6SOP47es0e6yHPJo3d0KJ4z1WE9au/4L

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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

Processes:

resource	yara_rule
behavioral2/memory/4396-1-0x0000000075380000-0x00000000753B1000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3076 4396 WerFault.exe rundll32.exe
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

pid	pid_target	process	target process
3076	4396	WerFault.exe	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	target process
PID 3660 wrote to memory of 4396	3660	rundll32.exe	rundll32.exe
PID 3660 wrote to memory of 4396	3660	rundll32.exe	rundll32.exe
PID 3660 wrote to memory of 4396	3660	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9bcaa600aafd13e9a24cbdb2ca683600N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3660
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9bcaa600aafd13e9a24cbdb2ca683600N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4396
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 636
    3⤵
    - Program crash
    PID:3076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4396 -ip 4396
1⤵
PID:1896

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/4396-0-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download
memory/4396-1-0x0000000075380000-0x00000000753B1000-memory.dmp

Filesize
196KB

Download
memory/4396-3-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

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