Analysis

  • max time kernel
    296s
  • max time network
    299s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22-05-2024 11:15

General

  • Target

    27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar

  • Size

    558KB

  • MD5

    cbc196fe2d418f1e6ad46cc906a1f6fa

  • SHA1

    cd0b7f45e2f5077b567f26b8bb0d553d6e605311

  • SHA256

    27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c

  • SHA512

    94694d8e7993696c9f871c027b072d4788130cfd6f9155a0fa451840bedbd6d70e544f0e567c6f5f4899b7a5f37c032decdbb8c29fe432709fdf6c7e5887a6ae

  • SSDEEP

    6144:FsoiTHc0JQc7jot+Tn3leT9OMiYNf2M57Qu1LJ5NIn4knrWIMXYMXs+72EE/20y/:FsogJItaeR/NucMu11INrWlX2/nyz+5w

Malware Config

Signatures

  • STRRAT

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

  • Drops startup file 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 26 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:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Windows\system32\icacls.exe
      C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
      2⤵
      • Modifies file permissions
      PID:1360
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3552
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:464
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar"
          4⤵
          • Creates scheduled task(s)
          PID:1832
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3020
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1684
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:2276
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1644
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3432
        • C:\Windows\SYSTEM32\cmd.exe
          cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3068
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:2108
          • C:\Windows\SYSTEM32\cmd.exe
            cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:3192
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:1764

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

        Filesize

        46B

        MD5

        cc2a20c4843bc024a3027e164c4c6637

        SHA1

        52a14d38171aaab60e9e224339cc69bd5465fcb4

        SHA256

        651ca51c29b2bc1a52ae33df6a76f4f139ee3d92e780f937118f1190b949949e

        SHA512

        763db56445217fdca33cba3a328b5cb3a700736eb41c05033d321b983bb9cd7d526dd71cc23057a9d08d41e7a59651d8705f9a644fefaf765fe62cf2ff0859d9

      • C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

        Filesize

        46B

        MD5

        7cf82b49e23f43016e440e0e9c0d4a9a

        SHA1

        7905f6491f06e104f86bc2ee497cec566ac9e715

        SHA256

        70c05aab01ee0e56d6a6d76152bf4fe718b072ebe0b5af3b58ad9ca2af9eef1b

        SHA512

        302eec1f4d0378a8aee357a86c57af65faa95e0c82e84b5d9cb6f246eed14c039732ed136d0954cf093d812d672928576a44dbaa56535af01e04554d9469f7e0

      • C:\Users\Admin\27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c.jar

        Filesize

        558KB

        MD5

        cbc196fe2d418f1e6ad46cc906a1f6fa

        SHA1

        cd0b7f45e2f5077b567f26b8bb0d553d6e605311

        SHA256

        27f117c2cdae0c702f1095bb7c6fe40d7efb18e4ac14d3eca5570ce1d24bac2c

        SHA512

        94694d8e7993696c9f871c027b072d4788130cfd6f9155a0fa451840bedbd6d70e544f0e567c6f5f4899b7a5f37c032decdbb8c29fe432709fdf6c7e5887a6ae

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna1607450667799360966.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2994005945-4089876968-1367784197-1000\83aa4cc77f591dfc2374580bbd95f6ba_1237b9d7-f804-4a48-834e-966087ebd757

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • 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/3020-277-0x0000027654160000-0x0000027654161000-memory.dmp

        Filesize

        4KB

      • memory/3036-111-0x00000270A0130000-0x00000270A0140000-memory.dmp

        Filesize

        64KB

      • memory/3036-48-0x00000270A0020000-0x00000270A0030000-memory.dmp

        Filesize

        64KB

      • memory/3036-32-0x00000270A00B0000-0x00000270A00C0000-memory.dmp

        Filesize

        64KB

      • memory/3036-34-0x00000270A00C0000-0x00000270A00D0000-memory.dmp

        Filesize

        64KB

      • memory/3036-40-0x00000270A00D0000-0x00000270A00E0000-memory.dmp

        Filesize

        64KB

      • memory/3036-42-0x00000270A00E0000-0x00000270A00F0000-memory.dmp

        Filesize

        64KB

      • memory/3036-49-0x00000270A0030000-0x00000270A0040000-memory.dmp

        Filesize

        64KB

      • memory/3036-120-0x00000270A0240000-0x00000270A0250000-memory.dmp

        Filesize

        64KB

      • memory/3036-47-0x00000270A0100000-0x00000270A0110000-memory.dmp

        Filesize

        64KB

      • memory/3036-46-0x00000270A00F0000-0x00000270A0100000-memory.dmp

        Filesize

        64KB

      • memory/3036-45-0x000002709FDB0000-0x00000270A0020000-memory.dmp

        Filesize

        2.4MB

      • memory/3036-53-0x00000270A0110000-0x00000270A0120000-memory.dmp

        Filesize

        64KB

      • memory/3036-56-0x00000270A0120000-0x00000270A0130000-memory.dmp

        Filesize

        64KB

      • memory/3036-55-0x00000270A0060000-0x00000270A0070000-memory.dmp

        Filesize

        64KB

      • memory/3036-60-0x00000270A0130000-0x00000270A0140000-memory.dmp

        Filesize

        64KB

      • memory/3036-59-0x00000270A0080000-0x00000270A0090000-memory.dmp

        Filesize

        64KB

      • memory/3036-58-0x00000270A0070000-0x00000270A0080000-memory.dmp

        Filesize

        64KB

      • memory/3036-54-0x00000270A0050000-0x00000270A0060000-memory.dmp

        Filesize

        64KB

      • memory/3036-52-0x00000270A0040000-0x00000270A0050000-memory.dmp

        Filesize

        64KB

      • memory/3036-65-0x00000270A0140000-0x00000270A0150000-memory.dmp

        Filesize

        64KB

      • memory/3036-63-0x00000270A0090000-0x00000270A00A0000-memory.dmp

        Filesize

        64KB

      • memory/3036-66-0x00000270A0150000-0x00000270A0160000-memory.dmp

        Filesize

        64KB

      • memory/3036-64-0x00000270A00A0000-0x00000270A00B0000-memory.dmp

        Filesize

        64KB

      • memory/3036-71-0x00000270A0160000-0x00000270A0170000-memory.dmp

        Filesize

        64KB

      • memory/3036-70-0x00000270A00B0000-0x00000270A00C0000-memory.dmp

        Filesize

        64KB

      • memory/3036-73-0x000002709FD90000-0x000002709FD91000-memory.dmp

        Filesize

        4KB

      • memory/3036-76-0x00000270A0170000-0x00000270A0180000-memory.dmp

        Filesize

        64KB

      • memory/3036-75-0x00000270A00C0000-0x00000270A00D0000-memory.dmp

        Filesize

        64KB

      • memory/3036-79-0x00000270A00D0000-0x00000270A00E0000-memory.dmp

        Filesize

        64KB

      • memory/3036-80-0x00000270A0180000-0x00000270A0190000-memory.dmp

        Filesize

        64KB

      • memory/3036-83-0x00000270A00E0000-0x00000270A00F0000-memory.dmp

        Filesize

        64KB

      • memory/3036-85-0x00000270A01A0000-0x00000270A01B0000-memory.dmp

        Filesize

        64KB

      • memory/3036-84-0x00000270A0190000-0x00000270A01A0000-memory.dmp

        Filesize

        64KB

      • memory/3036-90-0x00000270A01C0000-0x00000270A01D0000-memory.dmp

        Filesize

        64KB

      • memory/3036-89-0x00000270A01B0000-0x00000270A01C0000-memory.dmp

        Filesize

        64KB

      • memory/3036-88-0x00000270A00F0000-0x00000270A0100000-memory.dmp

        Filesize

        64KB

      • memory/3036-99-0x00000270A01F0000-0x00000270A0200000-memory.dmp

        Filesize

        64KB

      • memory/3036-98-0x00000270A01E0000-0x00000270A01F0000-memory.dmp

        Filesize

        64KB

      • memory/3036-97-0x00000270A01D0000-0x00000270A01E0000-memory.dmp

        Filesize

        64KB

      • memory/3036-96-0x00000270A0110000-0x00000270A0120000-memory.dmp

        Filesize

        64KB

      • memory/3036-95-0x00000270A0100000-0x00000270A0110000-memory.dmp

        Filesize

        64KB

      • memory/3036-102-0x000002709FD90000-0x000002709FD91000-memory.dmp

        Filesize

        4KB

      • memory/3036-105-0x00000270A0200000-0x00000270A0210000-memory.dmp

        Filesize

        64KB

      • memory/3036-106-0x000002709FD90000-0x000002709FD91000-memory.dmp

        Filesize

        4KB

      • memory/3036-109-0x00000270A0210000-0x00000270A0220000-memory.dmp

        Filesize

        64KB

      • memory/3036-108-0x00000270A0120000-0x00000270A0130000-memory.dmp

        Filesize

        64KB

      • memory/3036-2-0x000002709FDB0000-0x00000270A0020000-memory.dmp

        Filesize

        2.4MB

      • memory/3036-112-0x00000270A0220000-0x00000270A0230000-memory.dmp

        Filesize

        64KB

      • memory/3036-119-0x00000270A0160000-0x00000270A0170000-memory.dmp

        Filesize

        64KB

      • memory/3036-117-0x00000270A0230000-0x00000270A0240000-memory.dmp

        Filesize

        64KB

      • memory/3036-149-0x000002709FD90000-0x000002709FD91000-memory.dmp

        Filesize

        4KB

      • memory/3036-31-0x000002709FD90000-0x000002709FD91000-memory.dmp

        Filesize

        4KB

      • memory/3036-114-0x00000270A0140000-0x00000270A0150000-memory.dmp

        Filesize

        64KB

      • memory/3036-122-0x00000270A0170000-0x00000270A0180000-memory.dmp

        Filesize

        64KB

      • memory/3036-123-0x00000270A0250000-0x00000270A0260000-memory.dmp

        Filesize

        64KB

      • memory/3036-126-0x00000270A0260000-0x00000270A0270000-memory.dmp

        Filesize

        64KB

      • memory/3036-125-0x00000270A0180000-0x00000270A0190000-memory.dmp

        Filesize

        64KB

      • memory/3036-129-0x000002709FD90000-0x000002709FD91000-memory.dmp

        Filesize

        4KB

      • memory/3036-133-0x00000270A0190000-0x00000270A01A0000-memory.dmp

        Filesize

        64KB

      • memory/3036-134-0x00000270A01A0000-0x00000270A01B0000-memory.dmp

        Filesize

        64KB

      • memory/3036-136-0x00000270A0280000-0x00000270A0290000-memory.dmp

        Filesize

        64KB

      • memory/3036-135-0x00000270A0270000-0x00000270A0280000-memory.dmp

        Filesize

        64KB

      • memory/3036-142-0x00000270A02A0000-0x00000270A02B0000-memory.dmp

        Filesize

        64KB

      • memory/3036-141-0x00000270A0290000-0x00000270A02A0000-memory.dmp

        Filesize

        64KB

      • memory/3036-140-0x00000270A01C0000-0x00000270A01D0000-memory.dmp

        Filesize

        64KB

      • memory/3036-139-0x00000270A01B0000-0x00000270A01C0000-memory.dmp

        Filesize

        64KB

      • memory/3036-116-0x00000270A0150000-0x00000270A0160000-memory.dmp

        Filesize

        64KB

      • memory/3036-151-0x00000270A01D0000-0x00000270A01E0000-memory.dmp

        Filesize

        64KB

      • memory/3036-152-0x00000270A01E0000-0x00000270A01F0000-memory.dmp

        Filesize

        64KB

      • memory/3036-153-0x00000270A01F0000-0x00000270A0200000-memory.dmp

        Filesize

        64KB

      • memory/3036-155-0x000002709FD90000-0x000002709FD91000-memory.dmp

        Filesize

        4KB

      • memory/3036-167-0x00000270A00C0000-0x00000270A00D0000-memory.dmp

        Filesize

        64KB

      • memory/3036-170-0x00000270A00F0000-0x00000270A0100000-memory.dmp

        Filesize

        64KB

      • memory/3036-169-0x00000270A00E0000-0x00000270A00F0000-memory.dmp

        Filesize

        64KB

      • memory/3036-28-0x00000270A0090000-0x00000270A00A0000-memory.dmp

        Filesize

        64KB

      • memory/3036-168-0x00000270A00D0000-0x00000270A00E0000-memory.dmp

        Filesize

        64KB

      • memory/3036-177-0x00000270A0200000-0x00000270A0210000-memory.dmp

        Filesize

        64KB

      • memory/3036-181-0x00000270A0240000-0x00000270A0250000-memory.dmp

        Filesize

        64KB

      • memory/3036-180-0x00000270A0230000-0x00000270A0240000-memory.dmp

        Filesize

        64KB

      • memory/3036-179-0x00000270A0220000-0x00000270A0230000-memory.dmp

        Filesize

        64KB

      • memory/3036-178-0x00000270A0210000-0x00000270A0220000-memory.dmp

        Filesize

        64KB

      • memory/3036-176-0x00000270A0170000-0x00000270A0180000-memory.dmp

        Filesize

        64KB

      • memory/3036-175-0x00000270A0110000-0x00000270A0120000-memory.dmp

        Filesize

        64KB

      • memory/3036-174-0x000002709FDB0000-0x00000270A0020000-memory.dmp

        Filesize

        2.4MB

      • memory/3036-166-0x00000270A00B0000-0x00000270A00C0000-memory.dmp

        Filesize

        64KB

      • memory/3036-165-0x00000270A00A0000-0x00000270A00B0000-memory.dmp

        Filesize

        64KB

      • memory/3036-164-0x00000270A0090000-0x00000270A00A0000-memory.dmp

        Filesize

        64KB

      • memory/3036-163-0x00000270A0080000-0x00000270A0090000-memory.dmp

        Filesize

        64KB

      • memory/3036-162-0x00000270A0070000-0x00000270A0080000-memory.dmp

        Filesize

        64KB

      • memory/3036-161-0x00000270A0060000-0x00000270A0070000-memory.dmp

        Filesize

        64KB

      • memory/3036-160-0x00000270A0050000-0x00000270A0060000-memory.dmp

        Filesize

        64KB

      • memory/3036-159-0x00000270A0040000-0x00000270A0050000-memory.dmp

        Filesize

        64KB

      • memory/3036-158-0x00000270A0030000-0x00000270A0040000-memory.dmp

        Filesize

        64KB

      • memory/3036-157-0x00000270A0020000-0x00000270A0030000-memory.dmp

        Filesize

        64KB

      • memory/3036-156-0x00000270A0100000-0x00000270A0110000-memory.dmp

        Filesize

        64KB

      • memory/3036-29-0x00000270A00A0000-0x00000270A00B0000-memory.dmp

        Filesize

        64KB

      • memory/3036-24-0x00000270A0070000-0x00000270A0080000-memory.dmp

        Filesize

        64KB

      • memory/3036-25-0x00000270A0080000-0x00000270A0090000-memory.dmp

        Filesize

        64KB

      • memory/3036-20-0x00000270A0050000-0x00000270A0060000-memory.dmp

        Filesize

        64KB

      • memory/3036-15-0x00000270A0030000-0x00000270A0040000-memory.dmp

        Filesize

        64KB

      • memory/3036-21-0x00000270A0060000-0x00000270A0070000-memory.dmp

        Filesize

        64KB

      • memory/3036-18-0x00000270A0040000-0x00000270A0050000-memory.dmp

        Filesize

        64KB

      • memory/3036-14-0x00000270A0020000-0x00000270A0030000-memory.dmp

        Filesize

        64KB

      • memory/3552-212-0x000001B267970000-0x000001B267971000-memory.dmp

        Filesize

        4KB