General

  • Target

    55ad53d9c2ac846647791d572f44ea5b.exe

  • Size

    567KB

  • Sample

    210602-ph4wec4ya6

  • MD5

    55ad53d9c2ac846647791d572f44ea5b

  • SHA1

    f23c59ff61ff9bbf7c64dd9edfb6a254509bf917

  • SHA256

    c5a3e3c23c820cc768a283e2a66515722048a51ece2387bcb8883a3b6a061b41

  • SHA512

    d81fd6457c8cd411fc4e44053085aa1285203138909117ab6dafb3c74518ff9a91388e1450fc8e303774fd4ff7c27ab6cae87505bb9b0ca153c7f8bca5e85cd9

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Extracted

Family

raccoon

Botnet

e46634757936706c1ff491585768dd6fe231db30

Attributes
  • url4cnc

    https://tttttt.me/jdiamond13

rc4.plain
rc4.plain

Targets

    • Target

      55ad53d9c2ac846647791d572f44ea5b.exe

    • Size

      567KB

    • MD5

      55ad53d9c2ac846647791d572f44ea5b

    • SHA1

      f23c59ff61ff9bbf7c64dd9edfb6a254509bf917

    • SHA256

      c5a3e3c23c820cc768a283e2a66515722048a51ece2387bcb8883a3b6a061b41

    • SHA512

      d81fd6457c8cd411fc4e44053085aa1285203138909117ab6dafb3c74518ff9a91388e1450fc8e303774fd4ff7c27ab6cae87505bb9b0ca153c7f8bca5e85cd9

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • ServHelper

      ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies RDP port number used by Windows

    • Possible privilege escalation attempt

    • Sets DLL path for service in the registry

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Account Manipulation

1
T1098

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

File Permissions Modification

1
T1222

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Remote Desktop Protocol

1
T1076

Collection

Data from Local System

2
T1005

Tasks