Analysis

  • max time kernel
    132s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/02/2024, 01:44

General

  • Target
    8b1172d8f7f182a2da21c3b1920f0762.exe
  • Size 2.3MB
  • Sample240203-b51amaead8
  • SHA256 41e314c47a93b3d35dd35c3ba7c319f6da4c3da96e8b2055e332fe48b4121ca6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • @t232h

C2
  • 77.220.214.232:13459

Signatures

  • RedLine

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

  • RedLine payload 2 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

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

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

  • Executes dropped EXE 10 IoCs
  • Loads dropped DLL 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b1172d8f7f182a2da21c3b1920f0762.exe
    "C:\Users\Admin\AppData\Local\Temp\8b1172d8f7f182a2da21c3b1920f0762.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\svchost\svchost.cmd" /S"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4784
      • C:\Windows\system32\mode.com
        mode 65,10
        3⤵
          PID:1040
        • C:\Users\Admin\AppData\Local\Temp\svchost\7z.exe
          7z.exe e file.zip -p___________29640pwd12466pwd7540___________ -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:3300
        • C:\Users\Admin\AppData\Local\Temp\svchost\7z.exe
          7z.exe e extracted/file_8.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:2116
        • C:\Users\Admin\AppData\Local\Temp\svchost\7z.exe
          7z.exe e extracted/file_7.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:3148
        • C:\Users\Admin\AppData\Local\Temp\svchost\7z.exe
          7z.exe e extracted/file_6.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:1524
        • C:\Users\Admin\AppData\Local\Temp\svchost\7z.exe
          7z.exe e extracted/file_5.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:780
        • C:\Users\Admin\AppData\Local\Temp\svchost\7z.exe
          7z.exe e extracted/file_4.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:4828
        • C:\Users\Admin\AppData\Local\Temp\svchost\7z.exe
          7z.exe e extracted/file_3.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:4116
        • C:\Users\Admin\AppData\Local\Temp\svchost\@t232h.exe
          "@t232h.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:2756
        • C:\Windows\system32\attrib.exe
          attrib +H "@t232h.exe"
          3⤵
          • Views/modifies file attributes
          PID:2040
        • C:\Users\Admin\AppData\Local\Temp\svchost\7z.exe
          7z.exe e extracted/file_1.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:2492
        • C:\Users\Admin\AppData\Local\Temp\svchost\7z.exe
          7z.exe e extracted/file_2.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:1404

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\7z.dll
          • Size 901KB
          • SHA256 65382eca2bca8ca1b9b5ac10e4b43ee2f9a116b89e96c52f217153fc3799f200
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\7z.dll
          • Size 696KB
          • SHA256 ab01451e8ff59501eb4cf6dddc836fbb965018883348e8db5d60aab555d8a2fa
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\7z.dll
          • Size 702KB
          • SHA256 a73712f9ed2d16720369aaaf9278121b76d212f00375e1016e0f93b046c659d7
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\7z.dll
          • Size 771KB
          • SHA256 e0d47ae5e2a4e94270ecada504c77cda9fd042c3f5ad89b9e3c3c4962ab5ac4c
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\7z.dll
          • Size 1.0MB
          • SHA256 c45f3af7adb10dbaa1b4592dadee9f5de374f18cd4375af6db448bd8301e59ba
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\7z.dll
          • Size 1.1MB
          • SHA256 251871612d1a029a41f65e6774a0877adbb64a91028228d9cd0d6ae9a2a8371d
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\7z.dll
          • Size 878KB
          • SHA256 c31ad9585696de82877ce17cf5b22722f5cb064d6ba795104f63d57aba5099fe
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\7z.dll
          • Size 1.1MB
          • SHA256 297d4ce6ce89cd8cad1f49251e2b4fd8e3078e58fc274bcf1b3e7e4a4c360284
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\7z.dll
          • Size 633KB
          • SHA256 4c9361a285de2744e30ecfaf93ab83b3312927d46b9c8ffc058d2fb2c4d20d7a
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\7z.dll
          • Size 689KB
          • SHA256 869e62770ee2831f83ac4759995b6319614f6bb3c74a26e4a3143abcb0536640
          • MD5 SHA1 SHA512 SSDEEP

          7z.exe

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\7z.exe
          • Size 458KB
          • SHA256 344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2
          • MD5 SHA1 SHA512 SSDEEP

          @t232h.exe

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\@t232h.exe
          • Size 100KB
          • SHA256 d0b7beb08f3fe5c73909deb2f39dccec521bab1f4bd8f01be8631eb9e72ef846
          • MD5 SHA1 SHA512 SSDEEP

          ANTISC~1.DAT

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\extracted\ANTISC~1.DAT
          • Size 645KB
          • SHA256 62037e656c019e52acf162ff621121e826f7b890250c87b000a7c8a4fa753890
          • MD5 SHA1 SHA512 SSDEEP

          file_1.zip

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\extracted\file_1.zip
          • Size 40KB
          • SHA256 10dd5e50bcfa34cea0a26664bea71a7a4582b5c22aa9eb4de3c904c66035b24c
          • MD5 SHA1 SHA512 SSDEEP

          file_2.zip

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\extracted\file_2.zip
          • Size 40KB
          • SHA256 426826e551adc3a254855872be38438595b221d4aa19e8aa4613a6f81fcd1158
          • MD5 SHA1 SHA512 SSDEEP

          file_3.zip

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\extracted\file_3.zip
          • Size 40KB
          • SHA256 7dc181e1fa82493b895b958a4e3b2b19cbc44b48d4ac2b2ae798989fa0d9f3b7
          • MD5 SHA1 SHA512 SSDEEP

          file_4.zip

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\extracted\file_4.zip
          • Size 41KB
          • SHA256 1ef70d53fe4c31b2b0670e3b1bc0112020487e0f2113c5b9cad46def5ba6dc90
          • MD5 SHA1 SHA512 SSDEEP

          file_5.zip

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\extracted\file_5.zip
          • Size 41KB
          • SHA256 e4cab0fde8fab9d4699ef6f963ca79615a8a7777cdd96b1b1a7d5c70055d06ab
          • MD5 SHA1 SHA512 SSDEEP

          file_6.zip

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\extracted\file_6.zip
          • Size 41KB
          • SHA256 a027cedba4c93297f0cefe534a1df533d3741c1fab76b7636406aaae3bf67054
          • MD5 SHA1 SHA512 SSDEEP

          file_7.zip

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\extracted\file_7.zip
          • Size 41KB
          • SHA256 ea735ef07f919e0f39da6db1fcaab09e08c133e27e94eaa83c5dccb59e45fae3
          • MD5 SHA1 SHA512 SSDEEP

          file_8.zip

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\extracted\file_8.zip
          • Size 1024KB
          • SHA256 52683dc0f789a446045c1065fc981ed5c85b728a75878298c26ca8f6a2bd445b
          • MD5 SHA1 SHA512 SSDEEP

          payload.data

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\payload.data
          • Size 1.5MB
          • SHA256 975d5d6bd882bca391a4aacb7a8ba962ad8c30031835b26d145d950e6f133d79
          • MD5 SHA1 SHA512 SSDEEP

          svchost.cmd

          • Path C:\Users\Admin\AppData\Local\Temp\svchost\svchost.cmd
          • Size 484B
          • SHA256 3619307517387e8a20af5dddce0924dcbe4aefc726e58014b102c97fb30a0c44
          • MD5 SHA1 SHA512

          memory/2756-74-0x0000000004EB0000-0x0000000004EC2000-memory.dmp

          memory/2756-72-0x0000000072EE0000-0x0000000073690000-memory.dmp

          memory/2756-73-0x0000000005410000-0x0000000005A28000-memory.dmp

          memory/2756-71-0x00000000004F0000-0x000000000050E000-memory.dmp

          memory/2756-75-0x0000000004F10000-0x0000000004F4C000-memory.dmp

          memory/2756-76-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

          memory/2756-77-0x0000000004F50000-0x0000000004F9C000-memory.dmp

          memory/2756-78-0x00000000051C0000-0x00000000052CA000-memory.dmp

          memory/2756-79-0x0000000072EE0000-0x0000000073690000-memory.dmp

          memory/2756-80-0x0000000004FE0000-0x0000000004FF0000-memory.dmp