Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-07-2024 01:32

General

  • Target

    4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.jar

  • Size

    400KB

  • MD5

    1562675352c69cc1ecba3c247501af29

  • SHA1

    5beeeb995f7a0a5550eaf97ffd010992ee716643

  • SHA256

    4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd

  • SHA512

    7db315a671af8ac38835b632d3dba8e133f5ece241cb7f4a0b0f375620268cbf4ac6fa215fd5fc0c166f19561ef55d6f08ad67821e46c731570b8bb1f8545f6d

  • SSDEEP

    12288:0QKsHTT5/YEwDFoEv763/qSncsfP9iNoDQ:0hoTT5dQOvhP9QeQ

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
  • 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.

  • Scheduled Task/Job: Scheduled Task 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 24 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\4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2232
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:5072
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2668
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1820
      • 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\4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:4560
        • 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:244
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:3896
        • 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:4904
          • 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:4880
        • 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:4240
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:2528
          • 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:3944
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:4536

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        46B

        MD5

        0a2b8c1bd0f997047c6f412024cbf49f

        SHA1

        2ddae52b271eef0fe03a4e94c15ecd73273c5faa

        SHA256

        0c102675f4eb5b63ddf68916a9b46f3efca73791af779b8980d984c2c060f86d

        SHA512

        b3c46e0995caeae602a15ff89306a7f7789d3c316ff9ea21fdb486393ebda5e0b8ea081f9b5dfc08173b211e0490a7c6cd99b16487f57058562a6635c60d7cd8

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

        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • C:\Users\Admin\4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd.jar

        Filesize

        400KB

        MD5

        1562675352c69cc1ecba3c247501af29

        SHA1

        5beeeb995f7a0a5550eaf97ffd010992ee716643

        SHA256

        4c249b325125235b50d9690560c4197a28fd62901b5e02d9eba7436b29447cdd

        SHA512

        7db315a671af8ac38835b632d3dba8e133f5ece241cb7f4a0b0f375620268cbf4ac6fa215fd5fc0c166f19561ef55d6f08ad67821e46c731570b8bb1f8545f6d

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna3582728143633286435.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-701583114-2636601053-947405450-1000\83aa4cc77f591dfc2374580bbd95f6ba_9370e86d-1eb3-453f-8ea4-ee21ada11d8d

        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/2232-110-0x00000226396C0000-0x00000226396D0000-memory.dmp

        Filesize

        64KB

      • memory/2232-146-0x0000022639700000-0x0000022639710000-memory.dmp

        Filesize

        64KB

      • memory/2232-20-0x0000022639500000-0x0000022639510000-memory.dmp

        Filesize

        64KB

      • memory/2232-23-0x0000022639510000-0x0000022639520000-memory.dmp

        Filesize

        64KB

      • memory/2232-24-0x0000022639520000-0x0000022639530000-memory.dmp

        Filesize

        64KB

      • memory/2232-26-0x0000022639530000-0x0000022639540000-memory.dmp

        Filesize

        64KB

      • memory/2232-28-0x0000022639540000-0x0000022639550000-memory.dmp

        Filesize

        64KB

      • memory/2232-32-0x0000022639560000-0x0000022639570000-memory.dmp

        Filesize

        64KB

      • memory/2232-31-0x0000022639550000-0x0000022639560000-memory.dmp

        Filesize

        64KB

      • memory/2232-35-0x0000022639570000-0x0000022639580000-memory.dmp

        Filesize

        64KB

      • memory/2232-34-0x0000022639260000-0x00000226394D0000-memory.dmp

        Filesize

        2.4MB

      • memory/2232-40-0x0000022639590000-0x00000226395A0000-memory.dmp

        Filesize

        64KB

      • memory/2232-39-0x0000022639580000-0x0000022639590000-memory.dmp

        Filesize

        64KB

      • memory/2232-38-0x00000226394D0000-0x00000226394E0000-memory.dmp

        Filesize

        64KB

      • memory/2232-42-0x00000226394E0000-0x00000226394F0000-memory.dmp

        Filesize

        64KB

      • memory/2232-43-0x00000226395A0000-0x00000226395B0000-memory.dmp

        Filesize

        64KB

      • memory/2232-45-0x00000226394F0000-0x0000022639500000-memory.dmp

        Filesize

        64KB

      • memory/2232-46-0x00000226395B0000-0x00000226395C0000-memory.dmp

        Filesize

        64KB

      • memory/2232-52-0x00000226395C0000-0x00000226395D0000-memory.dmp

        Filesize

        64KB

      • memory/2232-51-0x0000022639500000-0x0000022639510000-memory.dmp

        Filesize

        64KB

      • memory/2232-59-0x00000226395E0000-0x00000226395F0000-memory.dmp

        Filesize

        64KB

      • memory/2232-60-0x0000022639520000-0x0000022639530000-memory.dmp

        Filesize

        64KB

      • memory/2232-58-0x00000226395D0000-0x00000226395E0000-memory.dmp

        Filesize

        64KB

      • memory/2232-57-0x0000022639510000-0x0000022639520000-memory.dmp

        Filesize

        64KB

      • memory/2232-62-0x0000022639530000-0x0000022639540000-memory.dmp

        Filesize

        64KB

      • memory/2232-65-0x0000022639540000-0x0000022639550000-memory.dmp

        Filesize

        64KB

      • memory/2232-64-0x0000022639600000-0x0000022639610000-memory.dmp

        Filesize

        64KB

      • memory/2232-63-0x00000226395F0000-0x0000022639600000-memory.dmp

        Filesize

        64KB

      • memory/2232-67-0x0000022639550000-0x0000022639560000-memory.dmp

        Filesize

        64KB

      • memory/2232-68-0x0000022639560000-0x0000022639570000-memory.dmp

        Filesize

        64KB

      • memory/2232-69-0x0000022639610000-0x0000022639620000-memory.dmp

        Filesize

        64KB

      • memory/2232-70-0x0000022639240000-0x0000022639241000-memory.dmp

        Filesize

        4KB

      • memory/2232-75-0x0000022639630000-0x0000022639640000-memory.dmp

        Filesize

        64KB

      • memory/2232-74-0x0000022639620000-0x0000022639630000-memory.dmp

        Filesize

        64KB

      • memory/2232-73-0x0000022639570000-0x0000022639580000-memory.dmp

        Filesize

        64KB

      • memory/2232-79-0x0000022639640000-0x0000022639650000-memory.dmp

        Filesize

        64KB

      • memory/2232-78-0x0000022639590000-0x00000226395A0000-memory.dmp

        Filesize

        64KB

      • memory/2232-77-0x0000022639580000-0x0000022639590000-memory.dmp

        Filesize

        64KB

      • memory/2232-81-0x00000226395A0000-0x00000226395B0000-memory.dmp

        Filesize

        64KB

      • memory/2232-82-0x0000022639650000-0x0000022639660000-memory.dmp

        Filesize

        64KB

      • memory/2232-85-0x0000022639660000-0x0000022639670000-memory.dmp

        Filesize

        64KB

      • memory/2232-133-0x00000226396E0000-0x00000226396F0000-memory.dmp

        Filesize

        64KB

      • memory/2232-89-0x00000226395C0000-0x00000226395D0000-memory.dmp

        Filesize

        64KB

      • memory/2232-90-0x0000022639670000-0x0000022639680000-memory.dmp

        Filesize

        64KB

      • memory/2232-92-0x00000226395D0000-0x00000226395E0000-memory.dmp

        Filesize

        64KB

      • memory/2232-93-0x0000022639680000-0x0000022639690000-memory.dmp

        Filesize

        64KB

      • memory/2232-96-0x0000022639690000-0x00000226396A0000-memory.dmp

        Filesize

        64KB

      • memory/2232-95-0x00000226395E0000-0x00000226395F0000-memory.dmp

        Filesize

        64KB

      • memory/2232-103-0x00000226396A0000-0x00000226396B0000-memory.dmp

        Filesize

        64KB

      • memory/2232-102-0x00000226395F0000-0x0000022639600000-memory.dmp

        Filesize

        64KB

      • memory/2232-107-0x00000226396B0000-0x00000226396C0000-memory.dmp

        Filesize

        64KB

      • memory/2232-106-0x0000022639600000-0x0000022639610000-memory.dmp

        Filesize

        64KB

      • memory/2232-108-0x0000022639240000-0x0000022639241000-memory.dmp

        Filesize

        4KB

      • memory/2232-16-0x0000022639240000-0x0000022639241000-memory.dmp

        Filesize

        4KB

      • memory/2232-109-0x0000022639610000-0x0000022639620000-memory.dmp

        Filesize

        64KB

      • memory/2232-124-0x0000022639620000-0x0000022639630000-memory.dmp

        Filesize

        64KB

      • memory/2232-185-0x0000022639780000-0x0000022639790000-memory.dmp

        Filesize

        64KB

      • memory/2232-18-0x00000226394F0000-0x0000022639500000-memory.dmp

        Filesize

        64KB

      • memory/2232-84-0x00000226395B0000-0x00000226395C0000-memory.dmp

        Filesize

        64KB

      • memory/2232-132-0x0000022639640000-0x0000022639650000-memory.dmp

        Filesize

        64KB

      • memory/2232-125-0x0000022639630000-0x0000022639640000-memory.dmp

        Filesize

        64KB

      • memory/2232-145-0x00000226396F0000-0x0000022639700000-memory.dmp

        Filesize

        64KB

      • memory/2232-144-0x0000022639650000-0x0000022639660000-memory.dmp

        Filesize

        64KB

      • memory/2232-147-0x0000022639240000-0x0000022639241000-memory.dmp

        Filesize

        4KB

      • memory/2232-151-0x0000022639240000-0x0000022639241000-memory.dmp

        Filesize

        4KB

      • memory/2232-154-0x0000022639240000-0x0000022639241000-memory.dmp

        Filesize

        4KB

      • memory/2232-153-0x0000022639240000-0x0000022639241000-memory.dmp

        Filesize

        4KB

      • memory/2232-155-0x0000022639240000-0x0000022639241000-memory.dmp

        Filesize

        4KB

      • memory/2232-156-0x0000022639240000-0x0000022639241000-memory.dmp

        Filesize

        4KB

      • memory/2232-157-0x0000022639240000-0x0000022639241000-memory.dmp

        Filesize

        4KB

      • memory/2232-159-0x0000022639710000-0x0000022639720000-memory.dmp

        Filesize

        64KB

      • memory/2232-158-0x0000022639660000-0x0000022639670000-memory.dmp

        Filesize

        64KB

      • memory/2232-162-0x0000022639720000-0x0000022639730000-memory.dmp

        Filesize

        64KB

      • memory/2232-161-0x0000022639670000-0x0000022639680000-memory.dmp

        Filesize

        64KB

      • memory/2232-165-0x0000022639730000-0x0000022639740000-memory.dmp

        Filesize

        64KB

      • memory/2232-164-0x0000022639680000-0x0000022639690000-memory.dmp

        Filesize

        64KB

      • memory/2232-168-0x0000022639240000-0x0000022639241000-memory.dmp

        Filesize

        4KB

      • memory/2232-170-0x0000022639740000-0x0000022639750000-memory.dmp

        Filesize

        64KB

      • memory/2232-169-0x0000022639690000-0x00000226396A0000-memory.dmp

        Filesize

        64KB

      • memory/2232-173-0x0000022639750000-0x0000022639760000-memory.dmp

        Filesize

        64KB

      • memory/2232-172-0x00000226396A0000-0x00000226396B0000-memory.dmp

        Filesize

        64KB

      • memory/2232-175-0x00000226396B0000-0x00000226396C0000-memory.dmp

        Filesize

        64KB

      • memory/2232-176-0x0000022639760000-0x0000022639770000-memory.dmp

        Filesize

        64KB

      • memory/2232-179-0x0000022639770000-0x0000022639780000-memory.dmp

        Filesize

        64KB

      • memory/2232-178-0x00000226396C0000-0x00000226396D0000-memory.dmp

        Filesize

        64KB

      • memory/2232-181-0x0000022639240000-0x0000022639241000-memory.dmp

        Filesize

        4KB

      • memory/2232-126-0x00000226396D0000-0x00000226396E0000-memory.dmp

        Filesize

        64KB

      • memory/2232-184-0x00000226396D0000-0x00000226396E0000-memory.dmp

        Filesize

        64KB

      • memory/2232-188-0x00000226396E0000-0x00000226396F0000-memory.dmp

        Filesize

        64KB

      • memory/2232-189-0x0000022639790000-0x00000226397A0000-memory.dmp

        Filesize

        64KB

      • memory/2232-193-0x00000226397A0000-0x00000226397B0000-memory.dmp

        Filesize

        64KB

      • memory/2232-192-0x0000022639700000-0x0000022639710000-memory.dmp

        Filesize

        64KB

      • memory/2232-191-0x00000226396F0000-0x0000022639700000-memory.dmp

        Filesize

        64KB

      • memory/2232-198-0x00000226397B0000-0x00000226397C0000-memory.dmp

        Filesize

        64KB

      • memory/2232-197-0x0000022639710000-0x0000022639720000-memory.dmp

        Filesize

        64KB

      • memory/2232-199-0x0000022639240000-0x0000022639241000-memory.dmp

        Filesize

        4KB

      • memory/2232-204-0x0000022639720000-0x0000022639730000-memory.dmp

        Filesize

        64KB

      • memory/2232-206-0x0000022639240000-0x0000022639241000-memory.dmp

        Filesize

        4KB

      • memory/2232-209-0x0000022639730000-0x0000022639740000-memory.dmp

        Filesize

        64KB

      • memory/2232-215-0x00000226397C0000-0x00000226397D0000-memory.dmp

        Filesize

        64KB

      • memory/2232-214-0x0000022639740000-0x0000022639750000-memory.dmp

        Filesize

        64KB

      • memory/2232-216-0x0000022639240000-0x0000022639241000-memory.dmp

        Filesize

        4KB

      • memory/2232-222-0x00000226395E0000-0x00000226395F0000-memory.dmp

        Filesize

        64KB

      • memory/2232-221-0x0000022639500000-0x0000022639510000-memory.dmp

        Filesize

        64KB

      • memory/2232-15-0x00000226394E0000-0x00000226394F0000-memory.dmp

        Filesize

        64KB

      • memory/2232-220-0x00000226394F0000-0x0000022639500000-memory.dmp

        Filesize

        64KB

      • memory/2232-219-0x00000226394E0000-0x00000226394F0000-memory.dmp

        Filesize

        64KB

      • memory/2232-218-0x00000226394D0000-0x00000226394E0000-memory.dmp

        Filesize

        64KB

      • memory/2232-217-0x0000022639260000-0x00000226394D0000-memory.dmp

        Filesize

        2.4MB

      • memory/2232-2-0x0000022639260000-0x00000226394D0000-memory.dmp

        Filesize

        2.4MB

      • memory/2232-13-0x00000226394D0000-0x00000226394E0000-memory.dmp

        Filesize

        64KB

      • memory/2232-11-0x0000022639240000-0x0000022639241000-memory.dmp

        Filesize

        4KB

      • memory/4560-383-0x00000155D4CD0000-0x00000155D4CD1000-memory.dmp

        Filesize

        4KB

      • memory/4560-417-0x00000155D4CD0000-0x00000155D4CD1000-memory.dmp

        Filesize

        4KB

      • memory/5072-282-0x0000021096F00000-0x0000021096F01000-memory.dmp

        Filesize

        4KB