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Overview

overview

3

Static

static

3

Umbral.builder.exe

windows7-x64

1

Umbral.builder.exe

windows10-2004-x64

1

Analysis

  • max time kernel
    37s
  • max time network
    42s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/03/2024, 14:00 UTC

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General

  • Target

    Umbral.builder.exe

  • Size

    114KB

  • MD5

    d91fb6867df7e4303d98b5e90faae73c

  • SHA1

    496f53ad8cd9381f1c1b577a73e978081002c1db

  • SHA256

    bb19b002df31e1196b4e6530cf54c449e9cf1383d3adc5334a0442fa96b36344

  • SHA512

    5dbcfe9bf567c6f1e18027950726af1835ab8b363ba8b040fd379b4cfe94b0894bc969b3c04fa4f1964b441a7b894bd4d37f3aabe3ea31396687a6ca093cfdc9

  • SSDEEP

    3072:aumr2q8XTs/8wEQuKqAFCq8FBJGgMMlpVFPo6QoJ7j:aumr2q8XTs/8wEQJhCqbsVehy7

Score
1/10

Malware Config

Signatures

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 40 IoCs
  • Suspicious use of SendNotifyMessage 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Umbral.builder.exe
    "C:\Users\Admin\AppData\Local\Temp\Umbral.builder.exe"
    1⤵
      PID:760
    • C:\Windows\system32\taskmgr.exe
      "C:\Windows\system32\taskmgr.exe" /4
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4012

    Network

    • flag-us
      DNS
      68.32.126.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      68.32.126.40.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      149.220.183.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      149.220.183.52.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      9.228.82.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      9.228.82.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      240.221.184.93.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      240.221.184.93.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      203.33.253.131.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      203.33.253.131.in-addr.arpa
      IN PTR
      Response
      203.33.253.131.in-addr.arpa
      IN PTR
      a-0003 dc-msedgenet
    • flag-us
      DNS
      203.33.253.131.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      203.33.253.131.in-addr.arpa
      IN PTR
    • flag-us
      DNS
      13.86.106.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      13.86.106.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      43.58.199.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      43.58.199.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      41.110.16.96.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      41.110.16.96.in-addr.arpa
      IN PTR
      Response
      41.110.16.96.in-addr.arpa
      IN PTR
      a96-16-110-41deploystaticakamaitechnologiescom
    • flag-us
      DNS
      154.239.44.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      154.239.44.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      157.123.68.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      157.123.68.40.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      206.23.85.13.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      206.23.85.13.in-addr.arpa
      IN PTR
      Response
    No results found
    • 8.8.8.8:53
      68.32.126.40.in-addr.arpa
      dns
      71 B
       157 B
       1
      1

      DNS Request

      68.32.126.40.in-addr.arpa

    • 8.8.8.8:53
      149.220.183.52.in-addr.arpa
      dns
      73 B
       147 B
       1
      1

      DNS Request

      149.220.183.52.in-addr.arpa

    • 8.8.8.8:53
      9.228.82.20.in-addr.arpa
      dns
      70 B
       156 B
       1
      1

      DNS Request

      9.228.82.20.in-addr.arpa

    • 8.8.8.8:53
      240.221.184.93.in-addr.arpa
      dns
      73 B
       144 B
       1
      1

      DNS Request

      240.221.184.93.in-addr.arpa

    • 8.8.8.8:53
      203.33.253.131.in-addr.arpa
      dns
      146 B
       107 B
       2
      1

      DNS Request

      203.33.253.131.in-addr.arpa

      DNS Request

      203.33.253.131.in-addr.arpa

    • 8.8.8.8:53
      13.86.106.20.in-addr.arpa
      dns
      71 B
       157 B
       1
      1

      DNS Request

      13.86.106.20.in-addr.arpa

    • 8.8.8.8:53
      43.58.199.20.in-addr.arpa
      dns
      71 B
       157 B
       1
      1

      DNS Request

      43.58.199.20.in-addr.arpa

    • 8.8.8.8:53
      41.110.16.96.in-addr.arpa
      dns
      71 B
       135 B
       1
      1

      DNS Request

      41.110.16.96.in-addr.arpa

    • 8.8.8.8:53
      154.239.44.20.in-addr.arpa
      dns
      72 B
       158 B
       1
      1

      DNS Request

      154.239.44.20.in-addr.arpa

    • 8.8.8.8:53
      157.123.68.40.in-addr.arpa
      dns
      72 B
       146 B
       1
      1

      DNS Request

      157.123.68.40.in-addr.arpa

    • 8.8.8.8:53
      206.23.85.13.in-addr.arpa
      dns
      71 B
       145 B
       1
      1

      DNS Request

      206.23.85.13.in-addr.arpa

    • 8.8.8.8:53

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/760-0-0x0000021C32510000-0x0000021C32532000-memory.dmp

      Filesize

      136KB

      Download

    • memory/760-1-0x00007FF802F90000-0x00007FF803A51000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/760-2-0x0000021C4CB70000-0x0000021C4CB80000-memory.dmp

      Filesize

      64KB

      Download

    • memory/760-3-0x00007FF802F90000-0x00007FF803A51000-memory.dmp

      Filesize

      10.8MB

      Download

    • memory/4012-4-0x000001A3513C0000-0x000001A3513C1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4012-5-0x000001A3513C0000-0x000001A3513C1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4012-6-0x000001A3513C0000-0x000001A3513C1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4012-10-0x000001A3513C0000-0x000001A3513C1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4012-11-0x000001A3513C0000-0x000001A3513C1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4012-12-0x000001A3513C0000-0x000001A3513C1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4012-13-0x000001A3513C0000-0x000001A3513C1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4012-14-0x000001A3513C0000-0x000001A3513C1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4012-15-0x000001A3513C0000-0x000001A3513C1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/4012-16-0x000001A3513C0000-0x000001A3513C1000-memory.dmp

      Filesize

      4KB

      Download

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