Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    20-10-2021 06:38

General

  • Target

    PAYMENT SLIP.jar

  • Size

    184KB

  • MD5

    70ba18fc4b0a9904afad5f33870df249

  • SHA1

    ff4e7f67c62ede5dfd3513c9b6475ff2cbc1b019

  • SHA256

    ca9d7a7c040125eed02d41543978fc9b9f9f0d084f0d0a5c1a3f99a21e0f400b

  • SHA512

    061fba8446ed801e2daccc6d7ab911590b923941d3afc6a694fa930fb06f620a1c7908a84d22bc29ac70d6b533159168cdad201c73ee0d24bb7389f133b3f201

Malware Config

Signatures

  • STRRAT

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

  • suricata: ET MALWARE STRRAT CnC Checkin

    suricata: ET MALWARE STRRAT CnC Checkin

  • 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.

  • Drops file in Program Files directory 1 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 AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Windows\system32\java.exe
    java -jar "C:\Users\Admin\AppData\Local\Temp\PAYMENT SLIP.jar"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Program Files\Java\jre7\bin\java.exe
      "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Program Files\Java\jre7\PAYMENT SLIP.jar"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1844
      • C:\Program Files\Java\jre7\bin\java.exe
        "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\PAYMENT SLIP.jar"
        3⤵
        • Drops startup file
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1548
        • C:\Windows\system32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PAYMENT SLIP.jar"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1312
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PAYMENT SLIP.jar"
            5⤵
            • Creates scheduled task(s)
            PID:1928
        • C:\Program Files\Java\jre7\bin\java.exe
          "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\PAYMENT SLIP.jar"
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:888
          • C:\Windows\system32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1648
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1868
          • C:\Windows\system32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:268
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:780
          • C:\Windows\system32\cmd.exe
            cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1588
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
              6⤵
                PID:1540
            • C:\Windows\system32\cmd.exe
              cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:1284
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list
                6⤵
                  PID:832

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files\Java\jre7\PAYMENT SLIP.jar

        MD5

        70ba18fc4b0a9904afad5f33870df249

        SHA1

        ff4e7f67c62ede5dfd3513c9b6475ff2cbc1b019

        SHA256

        ca9d7a7c040125eed02d41543978fc9b9f9f0d084f0d0a5c1a3f99a21e0f400b

        SHA512

        061fba8446ed801e2daccc6d7ab911590b923941d3afc6a694fa930fb06f620a1c7908a84d22bc29ac70d6b533159168cdad201c73ee0d24bb7389f133b3f201

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna6737165730552978555.dll

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2955169046-2371869340-1800780948-1000\83aa4cc77f591dfc2374580bbd95f6ba_db4d14ed-021a-404a-968d-cb66a4d24831

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\AppData\Roaming\PAYMENT SLIP.jar

        MD5

        70ba18fc4b0a9904afad5f33870df249

        SHA1

        ff4e7f67c62ede5dfd3513c9b6475ff2cbc1b019

        SHA256

        ca9d7a7c040125eed02d41543978fc9b9f9f0d084f0d0a5c1a3f99a21e0f400b

        SHA512

        061fba8446ed801e2daccc6d7ab911590b923941d3afc6a694fa930fb06f620a1c7908a84d22bc29ac70d6b533159168cdad201c73ee0d24bb7389f133b3f201

      • 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\PAYMENT SLIP.jar

        MD5

        70ba18fc4b0a9904afad5f33870df249

        SHA1

        ff4e7f67c62ede5dfd3513c9b6475ff2cbc1b019

        SHA256

        ca9d7a7c040125eed02d41543978fc9b9f9f0d084f0d0a5c1a3f99a21e0f400b

        SHA512

        061fba8446ed801e2daccc6d7ab911590b923941d3afc6a694fa930fb06f620a1c7908a84d22bc29ac70d6b533159168cdad201c73ee0d24bb7389f133b3f201

      • 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\jna6450937571735312048.dll

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • \Users\Admin\AppData\Local\Temp\jna-63116079\jna6737165730552978555.dll

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • memory/268-119-0x0000000000000000-mapping.dmp

      • memory/780-120-0x0000000000000000-mapping.dmp

      • memory/832-124-0x0000000000000000-mapping.dmp

      • memory/888-116-0x0000000001C50000-0x0000000001C51000-memory.dmp

        Filesize

        4KB

      • memory/888-110-0x0000000001C50000-0x0000000001C51000-memory.dmp

        Filesize

        4KB

      • memory/888-97-0x0000000000000000-mapping.dmp

      • memory/888-109-0x00000000020B0000-0x0000000002320000-memory.dmp

        Filesize

        2.4MB

      • memory/888-126-0x0000000001C50000-0x0000000001C51000-memory.dmp

        Filesize

        4KB

      • memory/1284-123-0x0000000000000000-mapping.dmp

      • memory/1312-96-0x0000000000000000-mapping.dmp

      • memory/1540-122-0x0000000000000000-mapping.dmp

      • memory/1548-83-0x0000000000000000-mapping.dmp

      • memory/1548-89-0x0000000001B50000-0x0000000001B51000-memory.dmp

        Filesize

        4KB

      • memory/1548-88-0x0000000002210000-0x0000000002480000-memory.dmp

        Filesize

        2.4MB

      • memory/1548-102-0x0000000001B50000-0x0000000001B51000-memory.dmp

        Filesize

        4KB

      • memory/1588-121-0x0000000000000000-mapping.dmp

      • memory/1648-117-0x0000000000000000-mapping.dmp

      • memory/1764-56-0x0000000002030000-0x00000000022A0000-memory.dmp

        Filesize

        2.4MB

      • memory/1764-69-0x0000000001C50000-0x0000000001C51000-memory.dmp

        Filesize

        4KB

      • memory/1764-71-0x0000000001C50000-0x0000000001C51000-memory.dmp

        Filesize

        4KB

      • memory/1764-65-0x0000000001C50000-0x0000000001C51000-memory.dmp

        Filesize

        4KB

      • memory/1764-66-0x0000000001C50000-0x0000000001C51000-memory.dmp

        Filesize

        4KB

      • memory/1764-54-0x000007FEFB561000-0x000007FEFB563000-memory.dmp

        Filesize

        8KB

      • memory/1764-62-0x0000000001C50000-0x0000000001C51000-memory.dmp

        Filesize

        4KB

      • memory/1764-59-0x0000000001C50000-0x0000000001C51000-memory.dmp

        Filesize

        4KB

      • memory/1764-57-0x0000000001C50000-0x0000000001C51000-memory.dmp

        Filesize

        4KB

      • memory/1764-75-0x0000000001C50000-0x0000000001C51000-memory.dmp

        Filesize

        4KB

      • memory/1764-67-0x0000000001C50000-0x0000000001C51000-memory.dmp

        Filesize

        4KB

      • memory/1764-64-0x0000000001C50000-0x0000000001C51000-memory.dmp

        Filesize

        4KB

      • memory/1764-55-0x0000000002030000-0x00000000022A0000-memory.dmp

        Filesize

        2.4MB

      • memory/1764-72-0x0000000001C50000-0x0000000001C51000-memory.dmp

        Filesize

        4KB

      • memory/1764-77-0x0000000001C50000-0x0000000001C51000-memory.dmp

        Filesize

        4KB

      • memory/1764-68-0x0000000001C50000-0x0000000001C51000-memory.dmp

        Filesize

        4KB

      • memory/1764-73-0x0000000001C50000-0x0000000001C51000-memory.dmp

        Filesize

        4KB

      • memory/1844-82-0x0000000000330000-0x0000000000331000-memory.dmp

        Filesize

        4KB

      • memory/1844-76-0x0000000000000000-mapping.dmp

      • memory/1844-81-0x0000000002300000-0x0000000002570000-memory.dmp

        Filesize

        2.4MB

      • memory/1868-118-0x0000000000000000-mapping.dmp

      • memory/1928-98-0x0000000000000000-mapping.dmp