Analysis

  • max time kernel
    156s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/05/2023, 21:01

General

  • Target

    VESSELDETAILS.exe

  • Size

    541KB

  • MD5

    51bb2cd3a440b03b8f3395668bb7ed44

  • SHA1

    de675a2e334b5d1c30f52184cb1b2c7c9e071656

  • SHA256

    799ad2554344216d192896a517536862c2435f054182bb8e468f6dd9f15f3e33

  • SHA512

    c4cec2ad5033e5639b33b8291c6ce8cf2bb520568d222b653abd14ff100f0cc7b102b1f1d2d9ce72a8e85b15defa7e891d18e0559c447efcc00a3a4186342c61

  • SSDEEP

    12288:VOhXGPstv/uHCuBHzmZ5i7TzVx0vq60btUP+2wuZ9Cb6rh:GXGrxk5iwq60btW7//h

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5923227859:AAEYo__DCK9GpHPQHPaQXx_5mU4DPDQb_xs/sendMessage?chat_id=1965959123

Signatures

  • Detects Redline Stealer samples 2 IoCs

    This rule detects the presence of Redline Stealer samples based on their unique strings.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VESSELDETAILS.exe
    "C:\Users\Admin\AppData\Local\Temp\VESSELDETAILS.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3152
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xTXuqPdjAiGmQt.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1400
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xTXuqPdjAiGmQt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8F11.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2300
    • C:\Users\Admin\AppData\Local\Temp\VESSELDETAILS.exe
      "C:\Users\Admin\AppData\Local\Temp\VESSELDETAILS.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1348

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_iyxuyxvs.1cr.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp8F11.tmp

          Filesize

          1KB

          MD5

          86c7145123471841dce4155232c73fd7

          SHA1

          536f39eed9215a0ca4df70f8425942ce0c8dcd48

          SHA256

          4620a539b44f41f260e61278d51540c5ad2b36c29e4a94771d908c08f9ca6fc4

          SHA512

          f588d6074bb3883424b96ff5dafaf17aae793856738ce972e3e3fb566aae9ec68e0094a3c66389c4eb9ce0308b5c8ce42f385a3cfadfbb0a59dbc343db6f01f5

        • memory/1348-146-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1348-188-0x0000000005290000-0x00000000052A0000-memory.dmp

          Filesize

          64KB

        • memory/1348-164-0x0000000005290000-0x00000000052A0000-memory.dmp

          Filesize

          64KB

        • memory/1400-163-0x0000000006570000-0x000000000658E000-memory.dmp

          Filesize

          120KB

        • memory/1400-179-0x0000000007900000-0x000000000791A000-memory.dmp

          Filesize

          104KB

        • memory/1400-144-0x0000000001550000-0x0000000001586000-memory.dmp

          Filesize

          216KB

        • memory/1400-185-0x0000000007C30000-0x0000000007C38000-memory.dmp

          Filesize

          32KB

        • memory/1400-184-0x0000000007C50000-0x0000000007C6A000-memory.dmp

          Filesize

          104KB

        • memory/1400-147-0x00000000057D0000-0x0000000005DF8000-memory.dmp

          Filesize

          6.2MB

        • memory/1400-149-0x0000000005190000-0x00000000051A0000-memory.dmp

          Filesize

          64KB

        • memory/1400-150-0x0000000005190000-0x00000000051A0000-memory.dmp

          Filesize

          64KB

        • memory/1400-152-0x0000000005E00000-0x0000000005E66000-memory.dmp

          Filesize

          408KB

        • memory/1400-151-0x0000000005660000-0x0000000005682000-memory.dmp

          Filesize

          136KB

        • memory/1400-183-0x0000000007B40000-0x0000000007B4E000-memory.dmp

          Filesize

          56KB

        • memory/1400-153-0x0000000005FE0000-0x0000000006046000-memory.dmp

          Filesize

          408KB

        • memory/1400-165-0x0000000005190000-0x00000000051A0000-memory.dmp

          Filesize

          64KB

        • memory/1400-182-0x0000000007B90000-0x0000000007C26000-memory.dmp

          Filesize

          600KB

        • memory/1400-181-0x0000000007980000-0x000000000798A000-memory.dmp

          Filesize

          40KB

        • memory/1400-166-0x0000000006BD0000-0x0000000006C02000-memory.dmp

          Filesize

          200KB

        • memory/1400-167-0x0000000070250000-0x000000007029C000-memory.dmp

          Filesize

          304KB

        • memory/1400-177-0x0000000006BB0000-0x0000000006BCE000-memory.dmp

          Filesize

          120KB

        • memory/1400-178-0x0000000007FB0000-0x000000000862A000-memory.dmp

          Filesize

          6.5MB

        • memory/1400-180-0x000000007F4B0000-0x000000007F4C0000-memory.dmp

          Filesize

          64KB

        • memory/3152-139-0x00000000073B0000-0x000000000744C000-memory.dmp

          Filesize

          624KB

        • memory/3152-134-0x0000000005870000-0x0000000005E14000-memory.dmp

          Filesize

          5.6MB

        • memory/3152-137-0x0000000005590000-0x00000000055A0000-memory.dmp

          Filesize

          64KB

        • memory/3152-135-0x00000000053A0000-0x0000000005432000-memory.dmp

          Filesize

          584KB

        • memory/3152-138-0x0000000005590000-0x00000000055A0000-memory.dmp

          Filesize

          64KB

        • memory/3152-133-0x0000000000960000-0x00000000009EE000-memory.dmp

          Filesize

          568KB

        • memory/3152-136-0x0000000005530000-0x000000000553A000-memory.dmp

          Filesize

          40KB