Analysis

  • max time kernel
    150s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2023 12:09

General

  • Target

    Solicitud de cotización #230627.jar

  • Size

    218KB

  • MD5

    aaffc5262ba30e3ea20e6195f39d021a

  • SHA1

    93e3c3e08b0ba58374957299a74b68155e4f334f

  • SHA256

    5c06e1544f6e3c1b235bf9a2c720e07a8a46253882d7d8552d42f472ad638109

  • SHA512

    0308fbff4d6e3cf0dfd9ad8533ea254913817066b239fbb75b8b529b3ae4952c5a561895974bf801682995b8eda0f9dacc82683162ff2e6aa62592c9e6654893

  • SSDEEP

    6144:NhfBco5zzHNroaMYWIsXwKH3gpQQ89+dny:jOEzNcalODH3VQ8z

Malware Config

Signatures

  • STRRAT

    STRRAT is a remote access tool than can steal credentials and log keystrokes.

  • Drops startup file 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\ProgramData\Oracle\Java\javapath\java.exe
    java -jar "C:\Users\Admin\AppData\Local\Temp\Solicitud de cotización #230627.jar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5024
    • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
      "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\Solicitud de cotización #230627.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4560
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Solicitud de cotización #230627.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2948
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Solicitud de cotización #230627.jar"
          4⤵
          • Creates scheduled task(s)
          PID:732
      • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
        "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\Solicitud de cotización #230627.jar"
        3⤵
          PID:2216

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

      Filesize

      50B

      MD5

      55471cd3e6adcb3957c55be9362e0702

      SHA1

      f45d299bfaebead34004d4a94ffea56a909e6ed5

      SHA256

      96b0cdd7c747d732a25c39e9460b17dcd565dba3e67622ea8d0b5d5555682410

      SHA512

      a93031d1cd988905836231fd2ca2ac7225dca0afadf9ca4d83bd94074d8825b25c93808912b8bf9fc59d03ab7c365307a326b7570bd760b59c0b4ead64532605

    • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

      Filesize

      50B

      MD5

      97e26b33e6130843ecd36661d75bb78c

      SHA1

      5672262f7928a592fbb740b90a1a3a8676fa1ec2

      SHA256

      7bb1b0e056ab6daf38c562fba077058b42270832c60dcf5b71a3ecf5bb7441fe

      SHA512

      c7bdb08aeaf76edad190271ef83dd45d8163775d7a044741e56ed36c720ddf6a6baf29fe03684a071f0c0b2d12e56d73f22cce970b63ab2809ad0d6143764092

    • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4129409437-3162877118-52503038-1000\83aa4cc77f591dfc2374580bbd95f6ba_b7c2c17f-d18f-4e40-8a8c-2e93d1960e8a

      Filesize

      45B

      MD5

      c8366ae350e7019aefc9d1e6e6a498c6

      SHA1

      5731d8a3e6568a5f2dfbbc87e3db9637df280b61

      SHA256

      11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

      SHA512

      33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

    • C:\Users\Admin\AppData\Roaming\Solicitud de cotización #230627.jar

      Filesize

      218KB

      MD5

      aaffc5262ba30e3ea20e6195f39d021a

      SHA1

      93e3c3e08b0ba58374957299a74b68155e4f334f

      SHA256

      5c06e1544f6e3c1b235bf9a2c720e07a8a46253882d7d8552d42f472ad638109

      SHA512

      0308fbff4d6e3cf0dfd9ad8533ea254913817066b239fbb75b8b529b3ae4952c5a561895974bf801682995b8eda0f9dacc82683162ff2e6aa62592c9e6654893

    • C:\Users\Admin\AppData\Roaming\Solicitud de cotización #230627.jar

      Filesize

      218KB

      MD5

      aaffc5262ba30e3ea20e6195f39d021a

      SHA1

      93e3c3e08b0ba58374957299a74b68155e4f334f

      SHA256

      5c06e1544f6e3c1b235bf9a2c720e07a8a46253882d7d8552d42f472ad638109

      SHA512

      0308fbff4d6e3cf0dfd9ad8533ea254913817066b239fbb75b8b529b3ae4952c5a561895974bf801682995b8eda0f9dacc82683162ff2e6aa62592c9e6654893

    • C:\Users\Admin\AppData\Roaming\lib\jna-5.5.0.jar

      Filesize

      1.4MB

      MD5

      acfb5b5fd9ee10bf69497792fd469f85

      SHA1

      0e0845217c4907822403912ad6828d8e0b256208

      SHA256

      b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

      SHA512

      e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

    • C:\Users\Admin\AppData\Roaming\lib\jna-platform-5.5.0.jar

      Filesize

      2.6MB

      MD5

      2f4a99c2758e72ee2b59a73586a2322f

      SHA1

      af38e7c4d0fc73c23ecd785443705bfdee5b90bf

      SHA256

      24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

      SHA512

      b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

    • C:\Users\Admin\AppData\Roaming\lib\sqlite-jdbc-3.14.2.1.jar

      Filesize

      4.1MB

      MD5

      b33387e15ab150a7bf560abdc73c3bec

      SHA1

      66b8075784131f578ef893fd7674273f709b9a4c

      SHA256

      2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

      SHA512

      25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

    • C:\Users\Admin\AppData\Roaming\lib\system-hook-3.5.jar

      Filesize

      772KB

      MD5

      e1aa38a1e78a76a6de73efae136cdb3a

      SHA1

      c463da71871f780b2e2e5dba115d43953b537daf

      SHA256

      2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

      SHA512

      fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

    • C:\Users\Admin\Solicitud de cotización #230627.jar

      Filesize

      218KB

      MD5

      aaffc5262ba30e3ea20e6195f39d021a

      SHA1

      93e3c3e08b0ba58374957299a74b68155e4f334f

      SHA256

      5c06e1544f6e3c1b235bf9a2c720e07a8a46253882d7d8552d42f472ad638109

      SHA512

      0308fbff4d6e3cf0dfd9ad8533ea254913817066b239fbb75b8b529b3ae4952c5a561895974bf801682995b8eda0f9dacc82683162ff2e6aa62592c9e6654893

    • C:\Users\Admin\lib\jna-5.5.0.jar

      Filesize

      1.4MB

      MD5

      acfb5b5fd9ee10bf69497792fd469f85

      SHA1

      0e0845217c4907822403912ad6828d8e0b256208

      SHA256

      b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

      SHA512

      e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

    • C:\Users\Admin\lib\jna-platform-5.5.0.jar

      Filesize

      2.6MB

      MD5

      2f4a99c2758e72ee2b59a73586a2322f

      SHA1

      af38e7c4d0fc73c23ecd785443705bfdee5b90bf

      SHA256

      24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

      SHA512

      b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

    • C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar

      Filesize

      4.1MB

      MD5

      b33387e15ab150a7bf560abdc73c3bec

      SHA1

      66b8075784131f578ef893fd7674273f709b9a4c

      SHA256

      2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

      SHA512

      25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

    • C:\Users\Admin\lib\system-hook-3.5.jar

      Filesize

      772KB

      MD5

      e1aa38a1e78a76a6de73efae136cdb3a

      SHA1

      c463da71871f780b2e2e5dba115d43953b537daf

      SHA256

      2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

      SHA512

      fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

    • memory/2216-291-0x0000000001240000-0x0000000001241000-memory.dmp

      Filesize

      4KB

    • memory/4560-261-0x0000000002920000-0x0000000002921000-memory.dmp

      Filesize

      4KB

    • memory/5024-208-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/5024-239-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/5024-227-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/5024-225-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/5024-224-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/5024-222-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/5024-221-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/5024-213-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/5024-157-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/5024-202-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/5024-200-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/5024-197-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/5024-196-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/5024-170-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB

    • memory/5024-162-0x0000000002660000-0x0000000002661000-memory.dmp

      Filesize

      4KB