General

  • Target
    Pulsar modified .zip
  • Size 20.4MB
  • Sample260915-vxcddayxet
  • SHA256 9c114264a6a08974038e5365a6bcbf8ec959af532c6a5ec3ae72d28cfd61e939
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Attributes
  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • reconnect_delay

    5000

Targets

    • Target
      net472/Client.exe
    • Size 2.6MB
    • SHA256 b84ce7904315540f54bff28b1826ba7f76de4476c9f6ebf01e9460d8420bdffc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • PulsaRAT library module

      Core component of the PulsaRAT remote access trojan, implementing its command protocol for hidden remote desktop, UAC bypass, persistence, and credential theft.

    • Quasar payload

    • Target
      net472/Guna.UI2.dll
    • Size 2.1MB
    • SHA256 6d876b257a97995d21072acd44580633468516121145cc218277edc18f971030
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      net472/Microsoft.TestPlatform.AdapterUtilities.dll
    • Size 28KB
    • SHA256 2570cbe12e3f6c177362eaad630b42db3114c2bb74099a0baa2d3abd6bcb5303
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      net472/Microsoft.VisualStudio.CodeCoverage.Shim.dll
    • Size 15KB
    • SHA256 3a4ed9b3e4b5d706767ef614b52836250e8abfadb7b8e30e3706c2eb9d1c45e3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      net472/Microsoft.VisualStudio.TestPlatform.MSTest.TestAdapter.dll
    • Size 155KB
    • SHA256 cb1d59fd79a412b1b05a27b32c342cbc85f018a9f1e1d67b43ebe87e43fec0d1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      net472/Microsoft.VisualStudio.TestPlatform.MSTestAdapter.PlatformServices.Interface.dll
    • Size 18KB
    • SHA256 c4494b603ecb322627959b2cd782400405a58051229bd09b108861415b1845aa
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      net472/Microsoft.VisualStudio.TestPlatform.MSTestAdapter.PlatformServices.dll
    • Size 111KB
    • SHA256 dd7eda88da0e3843202e51ba2cedc4412a566355c0193b4c781d307d3d1e5a4e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      net472/Microsoft.VisualStudio.TestPlatform.TestFramework.Extensions.dll
    • Size 33KB
    • SHA256 8d1c36b6dced0b1315e71303ef205dbd01d157a4add72d874825e0f26c529aa5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      net472/Microsoft.VisualStudio.TestPlatform.TestFramework.dll
    • Size 72KB
    • SHA256 9dddb3c2958a276f6b6afd9fade11cca191e2f0635f29a39718c60f8f278a4c3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      net472/Microsoft.Win32.Registry.dll
    • Size 22KB
    • SHA256 619737e2af8fb713085726631dd2e522fe130cac1d388a59c38907a47d7aadea
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      net472/Mono.Cecil.Mdb.dll
    • Size 42KB
    • SHA256 570a437dea0271d1d5c8b7d6a408b0b2635bdb0e8b8d5051878f3e7fca087f89
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      net472/Mono.Cecil.Pdb.dll
    • Size 88KB
    • SHA256 50a1a1a79dc86fcfb8b51249b5325a10dd93d193c52999cf6775d25030a4e606
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      net472/Mono.Cecil.Rocks.dll
    • Size 29KB
    • SHA256 842e09959084eda733aab1a5354d7af79e29594f4d8b91c8792103e5c755ed9b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      net472/Pulsar.Common.Tests.dll
    • Size 6KB
    • SHA256 8512edb395953602f30ccab68d15cf1782b72c692ab294343c3e57963ac283e3
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      net472/Pulsar.Common.dll
    • Size 93KB
    • SHA256 664010a92d91b81a36777b617d40d15e7b05d3cdbe796c0d95131eef3f3fcfe4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      net472/PulsarModified.exe
    • Size 6.3MB
    • SHA256 f258ccbfce1e10daea3244538bdf0f84a2abe7949fffcabfc51a8aa29c3c6aa5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    • PulsaRAT library module

      Core component of the PulsaRAT remote access trojan, implementing its command protocol for hidden remote desktop, UAC bypass, persistence, and credential theft.

MITRE ATT&CK Enterprise v16

Tasks

static1

ratmoduletrojanspywarequasar
Score
10/10

behavioral1

quasarmoduleratspywaretrojan
Score
10/10

behavioral2

quasarmoduleratspywaretrojan
Score
10/10

behavioral3

Score
1/10

behavioral4

Score
1/10

behavioral5

Score
1/10

behavioral6

Score
1/10

behavioral7

Score
1/10

behavioral8

Score
1/10

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

modulerat
Score
10/10

behavioral32

modulerat
Score
10/10