Analysis

  • max time kernel
    153s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    21-04-2021 13:20

General

  • Target

    IMAGE00212100.jar

  • Size

    97KB

  • MD5

    37b7089dba76d821305beb59ca39892a

  • SHA1

    f03546906362d47c67cd10bcded9359fb5e34cad

  • SHA256

    b6db4227e93019664a1a77dbbcf1482a4d5199a2f24b06b9805afd6b34c0d9c6

  • SHA512

    761ecf3ee3ebb21399192dbc1db647bc1af33771fd541be061ed27fa4a9945b21ac3fce82de10236c9223b1ba9abe2d6ef2ebfe789c8a3727da05769f9eb8884

Score
7/10

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Loads dropped DLL 2 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 36 IoCs

Processes

  • C:\Windows\system32\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\IMAGE00212100.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1944
    • C:\Program Files\Java\jre7\bin\java.exe
      "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\IMAGE00212100.jar"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:508
      • C:\Windows\system32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\IMAGE00212100.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:936
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\IMAGE00212100.jar"
          4⤵
          • Creates scheduled task(s)
          PID:1960
      • C:\Program Files\Java\jre7\bin\java.exe
        "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\IMAGE00212100.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1112
        • 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:1624
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1828
        • 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:1436
          • 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:1252
        • 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:664
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:1916
          • C:\Windows\system32\cmd.exe
            cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list"
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1780
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list
              5⤵
                PID:876

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Defense Evasion

      Modify Registry

      1
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna8962572553914147588.dll
        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\IMAGE00212100.jar
        MD5

        37b7089dba76d821305beb59ca39892a

        SHA1

        f03546906362d47c67cd10bcded9359fb5e34cad

        SHA256

        b6db4227e93019664a1a77dbbcf1482a4d5199a2f24b06b9805afd6b34c0d9c6

        SHA512

        761ecf3ee3ebb21399192dbc1db647bc1af33771fd541be061ed27fa4a9945b21ac3fce82de10236c9223b1ba9abe2d6ef2ebfe789c8a3727da05769f9eb8884

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2455352368-1077083310-2879168483-1000\83aa4cc77f591dfc2374580bbd95f6ba_14c10c19-3a0b-4ef0-8928-af871cb14c00
        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\AppData\Roaming\lib\jna-5.5.0.jar
        MD5

        acfb5b5fd9ee10bf69497792fd469f85

        SHA1

        0e0845217c4907822403912ad6828d8e0b256208

        SHA256

        b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

        SHA512

        e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

      • C:\Users\Admin\AppData\Roaming\lib\jna-platform-5.5.0.jar
        MD5

        2f4a99c2758e72ee2b59a73586a2322f

        SHA1

        af38e7c4d0fc73c23ecd785443705bfdee5b90bf

        SHA256

        24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

        SHA512

        b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

      • C:\Users\Admin\AppData\Roaming\lib\sqlite-jdbc-3.14.2.1.jar
        MD5

        b33387e15ab150a7bf560abdc73c3bec

        SHA1

        66b8075784131f578ef893fd7674273f709b9a4c

        SHA256

        2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

        SHA512

        25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

      • C:\Users\Admin\AppData\Roaming\lib\system-hook-3.5.jar
        MD5

        e1aa38a1e78a76a6de73efae136cdb3a

        SHA1

        c463da71871f780b2e2e5dba115d43953b537daf

        SHA256

        2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

        SHA512

        fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

      • C:\Users\Admin\IMAGE00212100.jar
        MD5

        37b7089dba76d821305beb59ca39892a

        SHA1

        f03546906362d47c67cd10bcded9359fb5e34cad

        SHA256

        b6db4227e93019664a1a77dbbcf1482a4d5199a2f24b06b9805afd6b34c0d9c6

        SHA512

        761ecf3ee3ebb21399192dbc1db647bc1af33771fd541be061ed27fa4a9945b21ac3fce82de10236c9223b1ba9abe2d6ef2ebfe789c8a3727da05769f9eb8884

      • C:\Users\Admin\lib\jna-5.5.0.jar
        MD5

        acfb5b5fd9ee10bf69497792fd469f85

        SHA1

        0e0845217c4907822403912ad6828d8e0b256208

        SHA256

        b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

        SHA512

        e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

      • C:\Users\Admin\lib\jna-platform-5.5.0.jar
        MD5

        2f4a99c2758e72ee2b59a73586a2322f

        SHA1

        af38e7c4d0fc73c23ecd785443705bfdee5b90bf

        SHA256

        24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

        SHA512

        b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

      • C:\Users\Admin\lib\sqlite-jdbc-3.14.2.1.jar
        MD5

        b33387e15ab150a7bf560abdc73c3bec

        SHA1

        66b8075784131f578ef893fd7674273f709b9a4c

        SHA256

        2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

        SHA512

        25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

      • C:\Users\Admin\lib\system-hook-3.5.jar
        MD5

        e1aa38a1e78a76a6de73efae136cdb3a

        SHA1

        c463da71871f780b2e2e5dba115d43953b537daf

        SHA256

        2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

        SHA512

        fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

      • \Users\Admin\AppData\Local\Temp\jna-63116079\jna1532437807313475474.dll
        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • \Users\Admin\AppData\Local\Temp\jna-63116079\jna8962572553914147588.dll
        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • memory/508-87-0x0000000000120000-0x0000000000121000-memory.dmp
        Filesize

        4KB

      • memory/508-86-0x00000000022C0000-0x0000000002530000-memory.dmp
        Filesize

        2.4MB

      • memory/508-107-0x0000000000120000-0x0000000000121000-memory.dmp
        Filesize

        4KB

      • memory/508-102-0x0000000000120000-0x0000000000121000-memory.dmp
        Filesize

        4KB

      • memory/508-82-0x0000000000000000-mapping.dmp
      • memory/508-99-0x0000000000120000-0x0000000000121000-memory.dmp
        Filesize

        4KB

      • memory/664-120-0x0000000000000000-mapping.dmp
      • memory/876-123-0x0000000000000000-mapping.dmp
      • memory/936-96-0x0000000000000000-mapping.dmp
      • memory/1112-97-0x0000000000000000-mapping.dmp
      • memory/1112-124-0x0000000000220000-0x0000000000221000-memory.dmp
        Filesize

        4KB

      • memory/1112-109-0x0000000000220000-0x0000000000221000-memory.dmp
        Filesize

        4KB

      • memory/1252-119-0x0000000000000000-mapping.dmp
      • memory/1436-118-0x0000000000000000-mapping.dmp
      • memory/1624-116-0x0000000000000000-mapping.dmp
      • memory/1780-122-0x0000000000000000-mapping.dmp
      • memory/1828-117-0x0000000000000000-mapping.dmp
      • memory/1916-121-0x0000000000000000-mapping.dmp
      • memory/1944-76-0x0000000000130000-0x0000000000131000-memory.dmp
        Filesize

        4KB

      • memory/1944-60-0x000007FEFB891000-0x000007FEFB893000-memory.dmp
        Filesize

        8KB

      • memory/1944-62-0x0000000000130000-0x0000000000131000-memory.dmp
        Filesize

        4KB

      • memory/1944-67-0x0000000000130000-0x0000000000131000-memory.dmp
        Filesize

        4KB

      • memory/1944-73-0x0000000000130000-0x0000000000131000-memory.dmp
        Filesize

        4KB

      • memory/1944-74-0x0000000000130000-0x0000000000131000-memory.dmp
        Filesize

        4KB

      • memory/1944-61-0x0000000002170000-0x00000000023E0000-memory.dmp
        Filesize

        2.4MB

      • memory/1944-63-0x0000000000130000-0x0000000000131000-memory.dmp
        Filesize

        4KB

      • memory/1944-75-0x0000000000130000-0x0000000000131000-memory.dmp
        Filesize

        4KB

      • memory/1944-78-0x0000000000130000-0x0000000000131000-memory.dmp
        Filesize

        4KB

      • memory/1944-79-0x0000000000130000-0x0000000000131000-memory.dmp
        Filesize

        4KB

      • memory/1944-84-0x0000000000130000-0x0000000000131000-memory.dmp
        Filesize

        4KB

      • memory/1944-81-0x0000000000130000-0x0000000000131000-memory.dmp
        Filesize

        4KB

      • memory/1960-100-0x0000000000000000-mapping.dmp