Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-05-2024 08:16

General

  • Target

    df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar

  • Size

    481KB

  • MD5

    6861ee8001a8c404dd330a4f20c7ce77

  • SHA1

    f126178828470606f76df369c1e42c1839792105

  • SHA256

    df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832

  • SHA512

    3e1b7d215365c60782a440f0d6d7bc957ca01fa662f32aa888c3992652596b6c5a968648bd1976c2f21a220732a246b2911a8c11a60b47b32ffddc43803b0d5b

  • SSDEEP

    12288:efllQKeQSPEf7AtTsF5Rb5hwQC1uQ3pZWEWKcA:edlQl4sTQta/WEF

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\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3504
    • 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:2776
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2948
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4212
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar"
          4⤵
          • Creates scheduled task(s)
          PID:728
      • 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\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:416
        • 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:4764
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4928
        • 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:4292
          • 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:2640
        • 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:1448
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:2456
          • 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:1140
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:1656

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        d43dff796d216acb8794eb5f5d6a9cbc

        SHA1

        95b96e2ba5b1fd5e79f94ebf77651ec47bb984fe

        SHA256

        2a38f66ba56e8a93358e4e6b1665281e94929ab2e3131edea4a62aab0a4f7e4b

        SHA512

        4697843e75bcf6aed052d81f3b42fc1116333204993aeca7e0c7ae6778f59358a399a752e4ca6e6eaf49ab388770a9d96aad983bfd084920444b5ee2a5c7d737

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna7154092969055885711.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4018855536-2201274732-320770143-1000\83aa4cc77f591dfc2374580bbd95f6ba_4d0966de-9ba4-4ee9-b282-eaf9cf9c9160

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832.jar

        Filesize

        481KB

        MD5

        6861ee8001a8c404dd330a4f20c7ce77

        SHA1

        f126178828470606f76df369c1e42c1839792105

        SHA256

        df8d58b3fe317e2b06d1970bf69bbab21160cd8e0f2eb67e7192f1409e055832

        SHA512

        3e1b7d215365c60782a440f0d6d7bc957ca01fa662f32aa888c3992652596b6c5a968648bd1976c2f21a220732a246b2911a8c11a60b47b32ffddc43803b0d5b

      • 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/416-372-0x00000166DB250000-0x00000166DB251000-memory.dmp

        Filesize

        4KB

      • memory/416-355-0x00000166DB250000-0x00000166DB251000-memory.dmp

        Filesize

        4KB

      • memory/2948-288-0x0000025D2F050000-0x0000025D2F051000-memory.dmp

        Filesize

        4KB

      • memory/3504-106-0x0000022C105C0000-0x0000022C105D0000-memory.dmp

        Filesize

        64KB

      • memory/3504-39-0x0000022C10160000-0x0000022C103D0000-memory.dmp

        Filesize

        2.4MB

      • memory/3504-28-0x0000022C10440000-0x0000022C10450000-memory.dmp

        Filesize

        64KB

      • memory/3504-37-0x0000022C10490000-0x0000022C104A0000-memory.dmp

        Filesize

        64KB

      • memory/3504-41-0x0000022C104A0000-0x0000022C104B0000-memory.dmp

        Filesize

        64KB

      • memory/3504-104-0x0000022C105A0000-0x0000022C105B0000-memory.dmp

        Filesize

        64KB

      • memory/3504-42-0x0000022C104B0000-0x0000022C104C0000-memory.dmp

        Filesize

        64KB

      • memory/3504-105-0x0000022C105B0000-0x0000022C105C0000-memory.dmp

        Filesize

        64KB

      • memory/3504-36-0x0000022C10470000-0x0000022C10480000-memory.dmp

        Filesize

        64KB

      • memory/3504-35-0x0000022C10460000-0x0000022C10470000-memory.dmp

        Filesize

        64KB

      • memory/3504-44-0x0000022C104C0000-0x0000022C104D0000-memory.dmp

        Filesize

        64KB

      • memory/3504-46-0x0000022C103D0000-0x0000022C103E0000-memory.dmp

        Filesize

        64KB

      • memory/3504-48-0x0000022C104D0000-0x0000022C104E0000-memory.dmp

        Filesize

        64KB

      • memory/3504-47-0x0000022C103E0000-0x0000022C103F0000-memory.dmp

        Filesize

        64KB

      • memory/3504-49-0x0000022C10140000-0x0000022C10141000-memory.dmp

        Filesize

        4KB

      • memory/3504-55-0x0000022C103F0000-0x0000022C10400000-memory.dmp

        Filesize

        64KB

      • memory/3504-57-0x0000022C104E0000-0x0000022C104F0000-memory.dmp

        Filesize

        64KB

      • memory/3504-56-0x0000022C10400000-0x0000022C10410000-memory.dmp

        Filesize

        64KB

      • memory/3504-60-0x0000022C10410000-0x0000022C10420000-memory.dmp

        Filesize

        64KB

      • memory/3504-63-0x0000022C10500000-0x0000022C10510000-memory.dmp

        Filesize

        64KB

      • memory/3504-62-0x0000022C10420000-0x0000022C10430000-memory.dmp

        Filesize

        64KB

      • memory/3504-61-0x0000022C104F0000-0x0000022C10500000-memory.dmp

        Filesize

        64KB

      • memory/3504-67-0x0000022C10430000-0x0000022C10440000-memory.dmp

        Filesize

        64KB

      • memory/3504-71-0x0000022C10450000-0x0000022C10460000-memory.dmp

        Filesize

        64KB

      • memory/3504-70-0x0000022C10440000-0x0000022C10450000-memory.dmp

        Filesize

        64KB

      • memory/3504-79-0x0000022C10550000-0x0000022C10560000-memory.dmp

        Filesize

        64KB

      • memory/3504-78-0x0000022C10540000-0x0000022C10550000-memory.dmp

        Filesize

        64KB

      • memory/3504-77-0x0000022C10530000-0x0000022C10540000-memory.dmp

        Filesize

        64KB

      • memory/3504-76-0x0000022C10490000-0x0000022C104A0000-memory.dmp

        Filesize

        64KB

      • memory/3504-75-0x0000022C10470000-0x0000022C10480000-memory.dmp

        Filesize

        64KB

      • memory/3504-74-0x0000022C10460000-0x0000022C10470000-memory.dmp

        Filesize

        64KB

      • memory/3504-69-0x0000022C10520000-0x0000022C10530000-memory.dmp

        Filesize

        64KB

      • memory/3504-68-0x0000022C10510000-0x0000022C10520000-memory.dmp

        Filesize

        64KB

      • memory/3504-85-0x0000022C10560000-0x0000022C10570000-memory.dmp

        Filesize

        64KB

      • memory/3504-84-0x0000022C104A0000-0x0000022C104B0000-memory.dmp

        Filesize

        64KB

      • memory/3504-83-0x0000022C10480000-0x0000022C10490000-memory.dmp

        Filesize

        64KB

      • memory/3504-90-0x0000022C10570000-0x0000022C10580000-memory.dmp

        Filesize

        64KB

      • memory/3504-89-0x0000022C10140000-0x0000022C10141000-memory.dmp

        Filesize

        4KB

      • memory/3504-88-0x0000022C104B0000-0x0000022C104C0000-memory.dmp

        Filesize

        64KB

      • memory/3504-92-0x0000022C10580000-0x0000022C10590000-memory.dmp

        Filesize

        64KB

      • memory/3504-91-0x0000022C104C0000-0x0000022C104D0000-memory.dmp

        Filesize

        64KB

      • memory/3504-97-0x0000022C10590000-0x0000022C105A0000-memory.dmp

        Filesize

        64KB

      • memory/3504-96-0x0000022C104D0000-0x0000022C104E0000-memory.dmp

        Filesize

        64KB

      • memory/3504-101-0x0000022C104E0000-0x0000022C104F0000-memory.dmp

        Filesize

        64KB

      • memory/3504-25-0x0000022C10430000-0x0000022C10440000-memory.dmp

        Filesize

        64KB

      • memory/3504-109-0x0000022C105E0000-0x0000022C105F0000-memory.dmp

        Filesize

        64KB

      • memory/3504-108-0x0000022C105D0000-0x0000022C105E0000-memory.dmp

        Filesize

        64KB

      • memory/3504-116-0x0000022C10610000-0x0000022C10620000-memory.dmp

        Filesize

        64KB

      • memory/3504-115-0x0000022C10600000-0x0000022C10610000-memory.dmp

        Filesize

        64KB

      • memory/3504-114-0x0000022C105F0000-0x0000022C10600000-memory.dmp

        Filesize

        64KB

      • memory/3504-19-0x0000022C10400000-0x0000022C10410000-memory.dmp

        Filesize

        64KB

      • memory/3504-29-0x0000022C10450000-0x0000022C10460000-memory.dmp

        Filesize

        64KB

      • memory/3504-40-0x0000022C10480000-0x0000022C10490000-memory.dmp

        Filesize

        64KB

      • memory/3504-102-0x0000022C104F0000-0x0000022C10500000-memory.dmp

        Filesize

        64KB

      • memory/3504-119-0x0000022C10140000-0x0000022C10141000-memory.dmp

        Filesize

        4KB

      • memory/3504-122-0x0000022C10140000-0x0000022C10141000-memory.dmp

        Filesize

        4KB

      • memory/3504-125-0x0000022C10620000-0x0000022C10630000-memory.dmp

        Filesize

        64KB

      • memory/3504-124-0x0000022C10510000-0x0000022C10520000-memory.dmp

        Filesize

        64KB

      • memory/3504-128-0x0000022C10630000-0x0000022C10640000-memory.dmp

        Filesize

        64KB

      • memory/3504-127-0x0000022C10520000-0x0000022C10530000-memory.dmp

        Filesize

        64KB

      • memory/3504-133-0x0000022C10640000-0x0000022C10650000-memory.dmp

        Filesize

        64KB

      • memory/3504-132-0x0000022C10550000-0x0000022C10560000-memory.dmp

        Filesize

        64KB

      • memory/3504-131-0x0000022C10540000-0x0000022C10550000-memory.dmp

        Filesize

        64KB

      • memory/3504-130-0x0000022C10530000-0x0000022C10540000-memory.dmp

        Filesize

        64KB

      • memory/3504-135-0x0000022C10560000-0x0000022C10570000-memory.dmp

        Filesize

        64KB

      • memory/3504-136-0x0000022C10650000-0x0000022C10660000-memory.dmp

        Filesize

        64KB

      • memory/3504-138-0x0000022C10570000-0x0000022C10580000-memory.dmp

        Filesize

        64KB

      • memory/3504-139-0x0000022C10660000-0x0000022C10670000-memory.dmp

        Filesize

        64KB

      • memory/3504-142-0x0000022C10670000-0x0000022C10680000-memory.dmp

        Filesize

        64KB

      • memory/3504-141-0x0000022C10580000-0x0000022C10590000-memory.dmp

        Filesize

        64KB

      • memory/3504-144-0x0000022C10590000-0x0000022C105A0000-memory.dmp

        Filesize

        64KB

      • memory/3504-145-0x0000022C10680000-0x0000022C10690000-memory.dmp

        Filesize

        64KB

      • memory/3504-149-0x0000022C10140000-0x0000022C10141000-memory.dmp

        Filesize

        4KB

      • memory/3504-155-0x0000022C10690000-0x0000022C106A0000-memory.dmp

        Filesize

        64KB

      • memory/3504-154-0x0000022C105C0000-0x0000022C105D0000-memory.dmp

        Filesize

        64KB

      • memory/3504-153-0x0000022C105B0000-0x0000022C105C0000-memory.dmp

        Filesize

        64KB

      • memory/3504-152-0x0000022C105A0000-0x0000022C105B0000-memory.dmp

        Filesize

        64KB

      • memory/3504-158-0x0000022C105E0000-0x0000022C105F0000-memory.dmp

        Filesize

        64KB

      • memory/3504-157-0x0000022C105D0000-0x0000022C105E0000-memory.dmp

        Filesize

        64KB

      • memory/3504-159-0x0000022C106A0000-0x0000022C106B0000-memory.dmp

        Filesize

        64KB

      • memory/3504-166-0x0000022C106B0000-0x0000022C106C0000-memory.dmp

        Filesize

        64KB

      • memory/3504-165-0x0000022C10610000-0x0000022C10620000-memory.dmp

        Filesize

        64KB

      • memory/3504-164-0x0000022C10600000-0x0000022C10610000-memory.dmp

        Filesize

        64KB

      • memory/3504-163-0x0000022C105F0000-0x0000022C10600000-memory.dmp

        Filesize

        64KB

      • memory/3504-171-0x0000022C10140000-0x0000022C10141000-memory.dmp

        Filesize

        4KB

      • memory/3504-173-0x0000022C10620000-0x0000022C10630000-memory.dmp

        Filesize

        64KB

      • memory/3504-178-0x0000022C106C0000-0x0000022C106D0000-memory.dmp

        Filesize

        64KB

      • memory/3504-179-0x0000022C10640000-0x0000022C10650000-memory.dmp

        Filesize

        64KB

      • memory/3504-180-0x0000022C106D0000-0x0000022C106E0000-memory.dmp

        Filesize

        64KB

      • memory/3504-177-0x0000022C10630000-0x0000022C10640000-memory.dmp

        Filesize

        64KB

      • memory/3504-181-0x0000022C10140000-0x0000022C10141000-memory.dmp

        Filesize

        4KB

      • memory/3504-186-0x0000022C10480000-0x0000022C10490000-memory.dmp

        Filesize

        64KB

      • memory/3504-24-0x0000022C10420000-0x0000022C10430000-memory.dmp

        Filesize

        64KB

      • memory/3504-22-0x0000022C10410000-0x0000022C10420000-memory.dmp

        Filesize

        64KB

      • memory/3504-16-0x0000022C103D0000-0x0000022C103E0000-memory.dmp

        Filesize

        64KB

      • memory/3504-17-0x0000022C103E0000-0x0000022C103F0000-memory.dmp

        Filesize

        64KB

      • memory/3504-18-0x0000022C103F0000-0x0000022C10400000-memory.dmp

        Filesize

        64KB

      • memory/3504-113-0x0000022C10500000-0x0000022C10510000-memory.dmp

        Filesize

        64KB

      • memory/3504-2-0x0000022C10160000-0x0000022C103D0000-memory.dmp

        Filesize

        2.4MB

      • memory/3504-185-0x0000022C10400000-0x0000022C10410000-memory.dmp

        Filesize

        64KB

      • memory/3504-184-0x0000022C103E0000-0x0000022C103F0000-memory.dmp

        Filesize

        64KB

      • memory/3504-183-0x0000022C103D0000-0x0000022C103E0000-memory.dmp

        Filesize

        64KB

      • memory/3504-182-0x0000022C103F0000-0x0000022C10400000-memory.dmp

        Filesize

        64KB