dridex | 8e1c9850b1b59de6993866cedd4d29c16ee72bc5f4c792be8b759cd045d9b37f

Analysis

max time kernel
93s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-09-2024 00:25

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General

Target

8e1c9850b1b59de6993866cedd4d29c16ee72bc5f4c792be8b759cd045d9b37f.dll
Size

188KB
MD5

484d2810edfce9a4aa60e98731f8a4f7
SHA1

3b84e68a8efa0e07dcfa59de7bfbd7738baa173e
SHA256

8e1c9850b1b59de6993866cedd4d29c16ee72bc5f4c792be8b759cd045d9b37f
SHA512

a913e05ce339f2142f57ada5994b1c42423a8de36eccac51c1fa482c7ae71b0e3745eb79d34e084c20c5fba71f1e06bd5d85878928ad0fef8b46416c1ef0b6f9
SSDEEP

3072:1teMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIz19qM:Rq7fYIHBZkTB6DWruUCOwjt

Score

10^/10

dridex 22201 botnet discovery loader

Malware Config

Extracted

Family

dridex

Botnet

22201

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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/1984-1-0x0000000074EE0000-0x0000000074F10000-memory.dmp	dridex_ldr

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1408	1984	WerFault.exe	85

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 3904 wrote to memory of 1984	3904	rundll32.exe	85
PID 3904 wrote to memory of 1984	3904	rundll32.exe	85
PID 3904 wrote to memory of 1984	3904	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e1c9850b1b59de6993866cedd4d29c16ee72bc5f4c792be8b759cd045d9b37f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3904
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e1c9850b1b59de6993866cedd4d29c16ee72bc5f4c792be8b759cd045d9b37f.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1984
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 692
    3⤵
    - Program crash
    PID:1408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1984 -ip 1984
1⤵
PID:5116

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/1984-0-0x00000000011F0000-0x00000000011F6000-memory.dmp

Filesize
24KB

Download
memory/1984-1-0x0000000074EE0000-0x0000000074F10000-memory.dmp

Filesize
192KB

Download
memory/1984-3-0x00000000011F0000-0x00000000011F6000-memory.dmp

Filesize
24KB

Download