Resubmissions

03/07/2024, 03:03

240703-dkc1psvajb

03/07/2024, 02:51

240703-dcfrmatepc10

03/07/2024, 02:39

240703-c5h7satbkh8

19/06/2024, 01:29

240619-bv78gswajp10

19/06/2024, 01:23

240619-brv4ravhkp7

General

  • Target
    Vorion App Setup.exe
  • Size 47.3MB
  • Sample240619-bv78gswajp
  • SHA256 48320cb8fd5ed9a3ccbaf9fc03bd160c3694c79d0efc8a8cf899069fc1d8e677
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • stealc

Botnet
  • vor13

C2
  • http://45.132.105.157

Attributes
  • url_path

    /eb155c7506e03ca9.php

Targets

    • Target
      Vorion App Setup.exe
    • Size 47.3MB
    • SHA256 48320cb8fd5ed9a3ccbaf9fc03bd160c3694c79d0efc8a8cf899069fc1d8e677
    • MD5 SHA1 SHA512 SSDEEP
    • Detects HijackLoader (aka IDAT Loader)

    • HijackLoader

      HijackLoader is a multistage loader first seen in 2023.

    • Stealc

      Stealc is an infostealer written in C++.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Downloads MZ/PE file

    • Suspicious use of SetThreadContext

    • Target
      $PLUGINSDIR/InstallOptions.dll
    • Size 15KB
    • SHA256 b2091205e225fc07daf1101218c64ce62a4690cacac9c3d0644d12e93e4c213c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/LangDLL.dll
    • Size 5KB
    • SHA256 32230128c18574c1e860dfe4b17fe0334f685740e27bc182e0d525a8948c9c2e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      $PLUGINSDIR/System.dll
    • Size 12KB
    • SHA256 9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706
    • MD5 SHA1 SHA512 SSDEEP
    Score
    3/10
    • Target
      Accessibility.dll
    • Size 20KB
    • SHA256 929ea150ad45b7c7dd5427461fbec44d43b67c08081f59b42b6abf570feae271
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      D3DCompiler_47_cor3.dll
    • Size 4.7MB
    • SHA256 b23e7b820ed5c6ea7dcd77817e2cd79f1cec9561d457172287ee634a8bd658c3
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      DirectWriteForwarder.dll
    • Size 526KB
    • SHA256 778936b5baf157c3a040955bc637936952e7b68c5aff83536d4b613ed9691cde
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Microsoft.CSharp.dll
    • Size 982KB
    • SHA256 df495f74456ad5ae30a5bac440b4d3808fa2d13c377cce1afc0146b8319ded6e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Microsoft.DiaSymReader.Native.amd64.dll
    • Size 1.8MB
    • SHA256 76d0da51c2ed6ce4de34f0f703af564cbefd54766572a36b5a45494a88479e0b
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Microsoft.VisualBasic.Core.dll
    • Size 1.2MB
    • SHA256 34271825351d9871583dead758b44676ef2bac56c4b7ac7124fadb087ea44f6e
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Microsoft.VisualBasic.Forms.dll
    • Size 242KB
    • SHA256 62878ad85c315f06a00f7f1f543bba3f411838e80fb7bfe4d6f6ec935930efdc
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Microsoft.VisualBasic.dll
    • Size 18KB
    • SHA256 9d20ca17355838ff3d2f3c89fbaf7c705bd01d297d1eb589489a84f6430da894
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Microsoft.Win32.Primitives.dll
    • Size 15KB
    • SHA256 f1b40565e5c4c41da810aee5b7d2272a0906e88f796812435aa5ed712bcac40c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Microsoft.Win32.Registry.AccessControl.dll
    • Size 34KB
    • SHA256 9ee0d84655655e39ede6d23aed940c98a3a8eb6270d878b252ea1720f750cead
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Microsoft.Win32.Registry.dll
    • Size 118KB
    • SHA256 e1c83bc80e79863e80cfaca350291ae5bdf942c59f39e812770039bdaa660ac9
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      Microsoft.Win32.SystemEvents.dll
    • Size 94KB
    • SHA256 c81a58bd27c74f91e26245c530c4cadc5425a1a1586886c6a5631eef9d81fde2
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10
    • Target
      PenImc_cor3.dll
    • Size 158KB
    • SHA256 f95b51b5bee746ea3430a277f0473f42e4e22fc12b8dbfc719346cee579b80ff
    • MD5 SHA1 SHA512 SSDEEP
    Score
    1/10

MITRE ATT&CK Enterprise v15

Tasks

static1

Score
7/10

behavioral1

hijackloaderstealcvor13discoveryexecutionloaderspywarestealer
Score
10/10

behavioral2

Score
4/10

behavioral3

Score
3/10

behavioral4

Score
3/10

behavioral5

Score
3/10

behavioral6

Score
3/10

behavioral7

Score
3/10

behavioral8

Score
3/10

behavioral9

Score
1/10

behavioral10

Score
1/10

behavioral11

Score
1/10

behavioral12

Score
1/10

behavioral13

Score
1/10

behavioral14

Score
1/10

behavioral15

Score
1/10

behavioral16

Score
1/10

behavioral17

Score
1/10

behavioral18

Score
1/10

behavioral19

Score
1/10

behavioral20

Score
1/10

behavioral21

Score
1/10

behavioral22

Score
1/10

behavioral23

Score
1/10

behavioral24

Score
1/10

behavioral25

Score
1/10

behavioral26

Score
1/10

behavioral27

Score
1/10

behavioral28

Score
1/10

behavioral29

Score
1/10

behavioral30

Score
1/10

behavioral31

Score
1/10

behavioral32

Score
1/10