dridex | 3587295dc5c87e055e4f97b48961ed15050d82f1ed900833d9ab371bd4cb8ff1

Analysis

max time kernel
95s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16-08-2024 03:59

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General

Target

77038f7e29a9748c39d0151cf2527d60N.dll
Size

184KB
MD5

77038f7e29a9748c39d0151cf2527d60
SHA1

463411eac520c49b1b2fc489dace77fb3ed874d6
SHA256

3587295dc5c87e055e4f97b48961ed15050d82f1ed900833d9ab371bd4cb8ff1
SHA512

5fd4ad02696fa1ed237db5e54b0886c8c956be8d89af1d770450ab946404c2b224142419df5a7a18825c7c6dae9cc01ffb916f51b9f901b70cc52f44cc60811f
SSDEEP

3072:fJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8J6a//2uFrSc:MfYOX+wTScR/Xzku9LVw1uG

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/4596-1-0x00000000751A0000-0x00000000751CF000-memory.dmp	dridex_ldr
behavioral2/memory/4596-2-0x00000000751A0000-0x00000000751CF000-memory.dmp	dridex_ldr

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3872	4596	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 1344 wrote to memory of 4596	1344	rundll32.exe	84
PID 1344 wrote to memory of 4596	1344	rundll32.exe	84
PID 1344 wrote to memory of 4596	1344	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\77038f7e29a9748c39d0151cf2527d60N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1344
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\77038f7e29a9748c39d0151cf2527d60N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4596
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 616
    3⤵
    - Program crash
    PID:3872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4596 -ip 4596
1⤵
PID:1088

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/4596-0-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/4596-1-0x00000000751A0000-0x00000000751CF000-memory.dmp

Filesize
188KB

Download
memory/4596-2-0x00000000751A0000-0x00000000751CF000-memory.dmp

Filesize
188KB

Download
memory/4596-3-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download