General

  • Target
    BlueOne Rat v1.0.1.rar
  • Size 6.1MB
  • Sample260701-tdf2sabv8v
  • SHA256 05a360c1e2642545781594dd23b04abe5cf69eef914e057de51eb67d9f42b7aa
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • quasar

Version
  • 1.0.0

Botnet
  • Office04

C2
  • 127.0.0.1:4444

Mutex
  • 5dd8969d-a2e1-4633-805b-13a56e4c3f2d

Attributes
  • encryption_key

    2ECA15518F01457176B8237A59860796FF575453

  • install_name

    Client.exe

  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    BlueOne Client Startup

  • subdirectory

    SubDir

Extracted

Family
  • quasar

Attributes
  • key_salt

    bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941

  • reconnect_delay

    5000

Targets

    • Target
      BlueOne Rat v1.0.1.rar
    • Size 6.1MB
    • SHA256 05a360c1e2642545781594dd23b04abe5cf69eef914e057de51eb67d9f42b7aa
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      BlueOne Rat v1.0.1/BlueOne Rat v1.0.1_Unpacked.exe
    • Size 2.4MB
    • SHA256 fea64a68b4fa0f9aa8dc9ce2df751c834812df0c19fffbdd020143ec6855dcde
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      BlueOne Rat v1.0.1/BlueOne.Common.Tests.dll
    • Size 6KB
    • SHA256 8a84fddfca1575ad1e9fbcc4aa989524c54f3c4f22f0df7d2a3893d533b73887
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      BlueOne Rat v1.0.1/BlueOne.Common.dll
    • Size 65KB
    • SHA256 2164b435c208229851083868b123347c933b66e609b5c13b66cb29134e77bd84
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      BlueOne Rat v1.0.1/BlueOne.p12
    • Size 4KB
    • SHA256 fadff746b6ea7f47a5690c40b96c674727d32f7bd46f98606428d8439b7e485d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      BlueOne Rat v1.0.1/BouncyCastle.Crypto.dll
    • Size 3.2MB
    • SHA256 e51721dc0647f4838b1abc592bd95fd8cb924716e8a64f83d4b947821fa1fa42
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      BlueOne Rat v1.0.1/Crypt-built.exe
    • Size 3.2MB
    • SHA256 af675eda800b00918c764f0f94e35915c1a3e0502488eab1b3b83de07ed747cb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Target
      BlueOne Rat v1.0.1/Gma.System.MouseKeyHook.dll
    • Size 56KB
    • SHA256 a67a424013544c8270c12633e2e1e287cd5cf0b3f2e81e8d8204b37a03da59ef
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      BlueOne Rat v1.0.1/Guna.UI2.dll
    • Size 2.1MB
    • SHA256 6d876b257a97995d21072acd44580633468516121145cc218277edc18f971030
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Target
      BlueOne Rat v1.0.1/Mono.Cecil.Mdb.dll
    • Size 42KB
    • SHA256 411f8ed8c49738fa38a56ed8f991d556227d13602e83186e66ae1c4f821c940b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      BlueOne Rat v1.0.1/Mono.Cecil.Pdb.dll
    • Size 87KB
    • SHA256 447ede1984bb4acd73bd97c0ec57a11c079cee8301c91fb199ca98c1906d3cc4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      BlueOne Rat v1.0.1/Mono.Cecil.Rocks.dll
    • Size 27KB
    • SHA256 2e2623319bdc362974a78ea4a43f4893011ec257884d24267f4594142fcd436e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      BlueOne Rat v1.0.1/Mono.Cecil.dll
    • Size 350KB
    • SHA256 f66f97866433e688acc3e4cd1e6ef14505f81df6b26dd6215e376767f6f954bc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      BlueOne Rat v1.0.1/Newtonsoft.Json.dll
    • Size 695KB
    • SHA256 e1e27af7b07eeedf5ce71a9255f0422816a6fc5849a483c6714e1b472044fa9d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      BlueOne Rat v1.0.1/Open.Nat.dll
    • Size 68KB
    • SHA256 0b1e0d8f87f557b52315d98c1f4727e539f5120d20b4ca9edba548983213fbb5
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      BlueOne Rat v1.0.1/Profiles/Default.xml
    • Size 1KB
    • SHA256 6c6c26c971d601a35c58ef5a7f19a210c46a7cd0c24d480e1640db678fa1dced
    • MD5 SHA1 SHA512 TLSH

MITRE ATT&CK Enterprise v16

Tasks

static1

office04trojanspywarequasar
Score
10/10

behavioral1

Score
1/10

behavioral2

Score
1/10

behavioral3

Score
1/10

behavioral4

Score
1/10

behavioral5

Score
1/10

behavioral6

Score
1/10

behavioral7

Score
1/10

behavioral8

adwarepersistenceransomwarespyware
Score
8/10

behavioral9

Score
1/10

behavioral10

Score
1/10

behavioral11

Score
1/10

behavioral12

Score
1/10

behavioral13

office04discoveryquasarspywaretrojan
Score
10/10

behavioral14

office04discoveryquasarspywaretrojan
Score
10/10

behavioral15

Score
1/10

behavioral16

Score
1/10

behavioral17

Score
1/10

behavioral18

adwarepersistenceransomwarespyware
Score
8/10

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

adwarediscoveryspyware
Score
3/10

behavioral32

Score
1/10