Overview

overview

10

Static

static

10

foo/0044d6...f7.exe

windows7_x64

1

foo/0044d6...f7.exe

windows10_x64

1

foo/034e4c...a9.exe

windows7_x64

4

foo/034e4c...a9.exe

windows10_x64

4

foo/035fa2...72.exe

windows7_x64

10

foo/035fa2...72.exe

windows10_x64

10

foo/04884a...1b.exe

windows7_x64

8

foo/04884a...1b.exe

windows10_x64

8

foo/06ed82...59.exe

windows7_x64

7

foo/06ed82...59.exe

windows10_x64

7

foo/07470b...68.exe

windows7_x64

8

foo/07470b...68.exe

windows10_x64

8

foo/078adb...c0.exe

windows7_x64

10

foo/078adb...c0.exe

windows10_x64

10

foo/09e5c8...b4.exe

windows7_x64

1

foo/09e5c8...b4.exe

windows10_x64

1

foo/0becfe...f4.exe

windows7_x64

10

foo/0becfe...f4.exe

windows10_x64

10

foo/1a78d3...a3.exe

windows7_x64

5

foo/1a78d3...a3.exe

windows10_x64

5

foo/1ffe82...a6.exe

windows7_x64

10

foo/1ffe82...a6.exe

windows10_x64

10

foo/255028...e1.dll

windows7_x64

1

foo/255028...e1.dll

windows10_x64

1

foo/27601d...cc.exe

windows7_x64

8

foo/27601d...cc.exe

windows10_x64

8

foo/27f911...49.exe

windows7_x64

10

foo/27f911...49.exe

windows10_x64

10

foo/28408c...c5.exe

windows7_x64

10

foo/28408c...c5.exe

windows10_x64

10

foo/296822...e4.dll

windows7_x64

3

foo/296822...e4.dll

windows10_x64

3

foo/2de7b8...a4.exe

windows7_x64

10

foo/2de7b8...a4.exe

windows10_x64

10

foo/2e00df...8b.exe

windows7_x64

9

foo/2e00df...8b.exe

windows10_x64

9

foo/2e90a1...22.exe

windows7_x64

6

foo/2e90a1...22.exe

windows10_x64

6

foo/2f215e...b0.dll

windows7_x64

10

foo/2f215e...b0.dll

windows10_x64

10

foo/30bc06...3e.exe

windows7_x64

10

foo/30bc06...3e.exe

windows10_x64

10

foo/312e67...f3.exe

windows7_x64

4

foo/312e67...f3.exe

windows10_x64

4

foo/383497...1b.exe

windows7_x64

10

foo/383497...1b.exe

windows10_x64

10

foo/39555e...ec.exe

windows7_x64

10

foo/39555e...ec.exe

windows10_x64

10

foo/39e531...04.exe

windows7_x64

10

foo/39e531...04.exe

windows10_x64

10

foo/3aba72...cd.exe

windows7_x64

1

foo/3aba72...cd.exe

windows10_x64

1

foo/406c9b...fe.exe

windows7_x64

10

foo/406c9b...fe.exe

windows10_x64

10

foo/457cfd...ca.exe

windows7_x64

7

foo/457cfd...ca.exe

windows10_x64

7

foo/4761e4...60.exe

windows7_x64

8

foo/4761e4...60.exe

windows10_x64

8

foo/487f1b...04.exe

windows7_x64

8

foo/487f1b...04.exe

windows10_x64

7

foo/4a74c9...cf.exe

windows7_x64

10

foo/4a74c9...cf.exe

windows10_x64

10

foo/4b2d78...4b.exe

windows7_x64

8

foo/4b2d78...4b.exe

windows10_x64

8

foo/4c49c2...ba.exe

windows7_x64

1

foo/4c49c2...ba.exe

windows10_x64

1

foo/4cfe8f...77.exe

windows7_x64

9

foo/4cfe8f...77.exe

windows10_x64

9

foo/4ea454...13.exe

windows7_x64

8

foo/4ea454...13.exe

windows10_x64

8

foo/52d6c5...7e.exe

windows7_x64

7

foo/52d6c5...7e.exe

windows10_x64

7

foo/55fc11...e0.exe

windows7_x64

foo/55fc11...e0.exe

windows10_x64

10

foo/59f0fb...06.exe

windows7_x64

1

foo/59f0fb...06.exe

windows10_x64

1

foo/5b1c0d...cb.exe

windows7_x64

1

foo/5b1c0d...cb.exe

windows10_x64

1

foo/5bc72a...ea.exe

windows7_x64

8

foo/5bc72a...ea.exe

windows10_x64

8

foo/5d3305...2a.exe

windows7_x64

7

foo/5d3305...2a.exe

windows10_x64

7

foo/5d9775...39.exe

windows7_x64

8

foo/5d9775...39.exe

windows10_x64

8

foo/60121e...3e.exe

windows7_x64

9

foo/60121e...3e.exe

windows10_x64

9

foo/62565a...fd.exe

windows7_x64

10

foo/62565a...fd.exe

windows10_x64

10

foo/62a3fd...64.exe

windows7_x64

8

foo/62a3fd...64.exe

windows10_x64

10

foo/63e9ce...d0.exe

windows7_x64

8

foo/63e9ce...d0.exe

windows10_x64

8

foo/6497ba...c5.exe

windows7_x64

10

foo/6497ba...c5.exe

windows10_x64

10

foo/698cc8...31.exe

windows7_x64

7

foo/698cc8...31.exe

windows10_x64

7

foo/6f2c5c...d5.exe

windows7_x64

7

foo/6f2c5c...d5.exe

windows10_x64

7

foo/798f5e...ba.exe

windows7_x64

10

foo/798f5e...ba.exe

windows10_x64

10

foo/7aec86...51.exe

windows7_x64

1

foo/7aec86...51.exe

windows10_x64

1

foo/84bf6e...64.exe

windows7_x64

8

foo/84bf6e...64.exe

windows10_x64

8

foo/907b7d...b3.exe

windows7_x64

8

foo/907b7d...b3.exe

windows10_x64

8

foo/928f1d...ee.exe

windows7_x64

1

foo/928f1d...ee.exe

windows10_x64

1

foo/9401b0...6c.exe

windows7_x64

1

foo/9401b0...6c.exe

windows10_x64

1

foo/97dd87...84.exe

windows7_x64

10

foo/97dd87...84.exe

windows10_x64

10

foo/9b8c48...a4.exe

windows7_x64

8

foo/9b8c48...a4.exe

windows10_x64

8

foo/9cde71...cd.exe

windows7_x64

6

foo/9cde71...cd.exe

windows10_x64

6

foo/9d3438...4b.exe

windows7_x64

8

foo/9d3438...4b.exe

windows10_x64

1

foo/9f8818...2d.exe

windows7_x64

8

foo/9f8818...2d.exe

windows10_x64

3

foo/a17bdc...cf.exe

windows7_x64

9

foo/a17bdc...cf.exe

windows10_x64

9

foo/a29811...46.exe

windows7_x64

10

foo/a29811...46.exe

windows10_x64

10

foo/aa3b51...52.exe

windows7_x64

10

foo/aa3b51...52.exe

windows10_x64

10

foo/acf0b7...c4.exe

windows7_x64

8

foo/acf0b7...c4.exe

windows10_x64

8

foo/aeca5c...f7.exe

windows7_x64

1

foo/aeca5c...f7.exe

windows10_x64

1

foo/b10714...f3.exe

windows7_x64

8

foo/b10714...f3.exe

windows10_x64

8

foo/b23652...9f.exe

windows7_x64

6

foo/b23652...9f.exe

windows10_x64

6

foo/b514b5...fc.exe

windows7_x64

1

foo/b514b5...fc.exe

windows10_x64

1

foo/b64196...23.exe

windows7_x64

7

foo/b64196...23.exe

windows10_x64

7

foo/b693df...60.exe

windows7_x64

7

foo/b693df...60.exe

windows10_x64

7

foo/b6e7c9...bc.exe

windows7_x64

10

foo/b6e7c9...bc.exe

windows10_x64

10

foo/b7d5f0...4a.exe

windows7_x64

10

foo/b7d5f0...4a.exe

windows10_x64

10

foo/ba2d46...29.exe

windows7_x64

1

foo/ba2d46...29.exe

windows10_x64

1

foo/bad78e...e5.exe

windows7_x64

9

foo/bad78e...e5.exe

windows10_x64

9

foo/bc6536...b9.exe

windows7_x64

10

foo/bc6536...b9.exe

windows10_x64

10

foo/be85e0...2c.exe

windows7_x64

1

foo/be85e0...2c.exe

windows10_x64

1

foo/c914b1...ee.exe

windows7_x64

3

foo/c914b1...ee.exe

windows10_x64

3

foo/c944ea...cc.exe

windows7_x64

8

foo/c944ea...cc.exe

windows10_x64

8

foo/cad363...8b.exe

windows7_x64

6

foo/cad363...8b.exe

windows10_x64

6

foo/cd89b6...df.exe

windows7_x64

8

foo/cd89b6...df.exe

windows10_x64

8

foo/d81e76...c4.exe

windows7_x64

10

foo/d81e76...c4.exe

windows10_x64

10

foo/d86d2c...08.exe

windows7_x64

10

foo/d86d2c...08.exe

windows10_x64

10

foo/d8e37d...98.exe

windows7_x64

9

foo/d8e37d...98.exe

windows10_x64

9

foo/dea515...e1.exe

windows7_x64

10

foo/dea515...e1.exe

windows10_x64

6

foo/dfcc55...b8.exe

windows7_x64

7

foo/dfcc55...b8.exe

windows10_x64

7

foo/e03bd4...fe.exe

windows7_x64

8

foo/e03bd4...fe.exe

windows10_x64

8

foo/e16ec7...2d.exe

windows7_x64

8

foo/e16ec7...2d.exe

windows10_x64

8

foo/e61c0e...0e.exe

windows7_x64

7

foo/e61c0e...0e.exe

windows10_x64

7

foo/e78fad...51.exe

windows7_x64

8

foo/e78fad...51.exe

windows10_x64

8

foo/e7ad45...88.exe

windows7_x64

3

foo/e7ad45...88.exe

windows10_x64

3

foo/e95678...8f.exe

windows7_x64

1

foo/e95678...8f.exe

windows10_x64

1

foo/edf723...ee.dll

windows7_x64

1

foo/edf723...ee.dll

windows10_x64

1

foo/f2366f...f5.exe

windows7_x64

1

foo/f2366f...f5.exe

windows10_x64

1

foo/f645a9...1f.exe

windows7_x64

1

foo/f645a9...1f.exe

windows10_x64

1

foo/f65e75...56.exe

windows7_x64

1

foo/f65e75...56.exe

windows10_x64

1

foo/f66028...2b.exe

windows7_x64

8

foo/f66028...2b.exe

windows10_x64

8

foo/f6c1c7...89.exe

windows7_x64

10

foo/f6c1c7...89.exe

windows10_x64

10

foo/fbab90...7c.exe

windows7_x64

7

foo/fbab90...7c.exe

windows10_x64

7

foo/fcdc00...b3.exe

windows7_x64

8

foo/fcdc00...b3.exe

windows10_x64

8

foo/fffb61...ba.exe

windows7_x64

1

foo/fffb61...ba.exe

windows10_x64

1

Analysis

  • max time kernel
    139s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    11-08-2020 12:30

General

  • Target

    foo/d81e76123ccb64b73eeac2f31a7434c4.exe

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

  • Glupteba Payload 2 IoCs
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Windows security bypass 2 TTPs
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
  • UPX packed file 2 IoCs

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

  • Windows security modification 2 TTPs 12 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\foo\d81e76123ccb64b73eeac2f31a7434c4.exe
    "C:\Users\Admin\AppData\Local\Temp\foo\d81e76123ccb64b73eeac2f31a7434c4.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3804
    • C:\Users\Admin\AppData\Local\Temp\foo\d81e76123ccb64b73eeac2f31a7434c4.exe
      "C:\Users\Admin\AppData\Local\Temp\foo\d81e76123ccb64b73eeac2f31a7434c4.exe"
      2⤵
      • Windows security modification
      • Adds Run key to start application
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2112
      • C:\Windows\System32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3628
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
            PID:3260
        • C:\Windows\rss\csrss.exe
          C:\Windows\rss\csrss.exe ""
          3⤵
          • Executes dropped EXE
          PID:1604
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s seclogon
      1⤵
      • Suspicious use of NtCreateUserProcessOtherParentProcess
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1656

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Disabling Security Tools

    2
    T1089

    Modify Registry

    3
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\rss\csrss.exe
      MD5

      d81e76123ccb64b73eeac2f31a7434c4

      SHA1

      6a32284225e897965972ba4915e5c327b900b81a

      SHA256

      695ac197f95781e22c61604838e3e339285b08259a971289ce6993d409fcbc4a

      SHA512

      37404b0e8fa7825f837ff9d6ab1e487bc1591daf46b57bfe030b7c015937ba80605db96f649ec024761d13eeb2cba86ab50870af9007bc75fe6043fd8b8f6cc0

    • C:\Windows\rss\csrss.exe
      MD5

      d81e76123ccb64b73eeac2f31a7434c4

      SHA1

      6a32284225e897965972ba4915e5c327b900b81a

      SHA256

      695ac197f95781e22c61604838e3e339285b08259a971289ce6993d409fcbc4a

      SHA512

      37404b0e8fa7825f837ff9d6ab1e487bc1591daf46b57bfe030b7c015937ba80605db96f649ec024761d13eeb2cba86ab50870af9007bc75fe6043fd8b8f6cc0

    • memory/1604-13-0x0000000000000000-mapping.dmp
    • memory/1604-16-0x0000000007900000-0x0000000007901000-memory.dmp
      Filesize

      4KB

    • memory/2112-4-0x0000000000000000-mapping.dmp
    • memory/2112-5-0x0000000007790000-0x0000000007791000-memory.dmp
      Filesize

      4KB

    • memory/2112-7-0x0000000000400000-0x0000000000ADC000-memory.dmp
      Filesize

      6.9MB

    • memory/3260-12-0x0000000000000000-mapping.dmp
    • memory/3628-11-0x0000000000000000-mapping.dmp
    • memory/3804-0-0x0000000007530000-0x0000000007531000-memory.dmp
      Filesize

      4KB

    • memory/3804-2-0x0000000000400000-0x0000000000ADC000-memory.dmp
      Filesize

      6.9MB