Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    10-05-2021 10:24

General

  • Target

    Quotation.jar

  • Size

    120KB

  • MD5

    6c67d9506d1ab38770b98b46ed33f19c

  • SHA1

    54c29729dd15a3f89d35067d6edebe6807f83a23

  • SHA256

    42511a0c969153c446c2ad8ed727450e8af45d4fe0ec17836c333fc323c44aee

  • SHA512

    ee15e4e8b77b1a5cf8aaee49b65ed4fc96b1b9c007a9a63bd7084cb93fb1a6b3710ec87eb8d9aceac20ba1e89069cf308b6295d39138f51e5d13bd1a2c3e7305

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 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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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 42 IoCs

Processes

  • C:\Windows\system32\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\Quotation.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\system32\wscript.exe
      wscript C:\Users\Admin\swaqnxyfqx.js
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1992
      • C:\Program Files\Java\jre7\bin\javaw.exe
        "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\lohsqoplq.txt"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1832
        • C:\Program Files\Java\jre7\bin\java.exe
          "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\lohsqoplq.txt"
          4⤵
          • Drops startup file
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:760
          • C:\Windows\system32\cmd.exe
            cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\lohsqoplq.txt"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1108
            • C:\Windows\system32\schtasks.exe
              schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\lohsqoplq.txt"
              6⤵
              • Creates scheduled task(s)
              PID:564
          • C:\Program Files\Java\jre7\bin\java.exe
            "C:\Program Files\Java\jre7\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\lohsqoplq.txt"
            5⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1852
            • C:\Windows\system32\cmd.exe
              cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1244
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
                7⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:1560
            • C:\Windows\system32\cmd.exe
              cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1580
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get caption,OSArchitecture /format:list
                7⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:1380
            • C:\Windows\system32\cmd.exe
              cmd.exe /c "wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list"
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1872
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
                7⤵
                  PID:1668
              • C:\Windows\system32\cmd.exe
                cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list"
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:1256
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic /node:localhost /namespace:'\\root\securitycenter' path antivirusproduct get displayname /format:list
                  7⤵
                    PID:1620

      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

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna5004393655205263432.dll
        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • 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\AppData\Roaming\lohsqoplq.txt
        MD5

        3b098ed6aa7c3b342772a135129afebd

        SHA1

        f5b5e634b40d0a043c77f48a259dab9b5eea1f5b

        SHA256

        4a4a333147eb03fa0bfb7d0f03b37585669e4d056d63d31beecbb56eafc80c91

        SHA512

        56157f4c0168098877927c46334ac6f1236d18147ad331797152d71a3281d5e2d7bf24c5b0609f868cbf94ec978f6f4e91d882f596e7a97605bd42d4f619e98f

      • C:\Users\Admin\AppData\Roaming\lohsqoplq.txt
        MD5

        3b098ed6aa7c3b342772a135129afebd

        SHA1

        f5b5e634b40d0a043c77f48a259dab9b5eea1f5b

        SHA256

        4a4a333147eb03fa0bfb7d0f03b37585669e4d056d63d31beecbb56eafc80c91

        SHA512

        56157f4c0168098877927c46334ac6f1236d18147ad331797152d71a3281d5e2d7bf24c5b0609f868cbf94ec978f6f4e91d882f596e7a97605bd42d4f619e98f

      • 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

      • C:\Users\Admin\lohsqoplq.txt
        MD5

        3b098ed6aa7c3b342772a135129afebd

        SHA1

        f5b5e634b40d0a043c77f48a259dab9b5eea1f5b

        SHA256

        4a4a333147eb03fa0bfb7d0f03b37585669e4d056d63d31beecbb56eafc80c91

        SHA512

        56157f4c0168098877927c46334ac6f1236d18147ad331797152d71a3281d5e2d7bf24c5b0609f868cbf94ec978f6f4e91d882f596e7a97605bd42d4f619e98f

      • C:\Users\Admin\swaqnxyfqx.js
        MD5

        e390933c4e72a05ef026dcb60b11de82

        SHA1

        0b11785a8fec960c27c2e02e3ef4eb3962a848f6

        SHA256

        ad2469143f55bdacb05bda68740a07adb4d1e2ca3de872bd4011c156d6d840d4

        SHA512

        9532850e356e7a9b8164dad6ce44f4328e81eb97ac6b0ccf4c250cfd473e622efc7fff37ceee25ca29e539bdff3ff3b039ee000d6d42063c34dbace58df75314

      • \Users\Admin\AppData\Local\Temp\jna-63116079\jna2135323342206798994.dll
        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • \Users\Admin\AppData\Local\Temp\jna-63116079\jna5004393655205263432.dll
        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • memory/564-117-0x0000000000000000-mapping.dmp
      • memory/760-114-0x0000000000220000-0x0000000000221000-memory.dmp
        Filesize

        4KB

      • memory/760-109-0x0000000000220000-0x0000000000221000-memory.dmp
        Filesize

        4KB

      • memory/760-108-0x0000000000220000-0x0000000000221000-memory.dmp
        Filesize

        4KB

      • memory/760-94-0x0000000000000000-mapping.dmp
      • memory/760-98-0x0000000002300000-0x0000000002570000-memory.dmp
        Filesize

        2.4MB

      • memory/760-99-0x0000000000220000-0x0000000000221000-memory.dmp
        Filesize

        4KB

      • memory/1108-106-0x0000000000000000-mapping.dmp
      • memory/1244-150-0x0000000000000000-mapping.dmp
      • memory/1256-156-0x0000000000000000-mapping.dmp
      • memory/1380-153-0x0000000000000000-mapping.dmp
      • memory/1560-151-0x0000000000000000-mapping.dmp
      • memory/1580-152-0x0000000000000000-mapping.dmp
      • memory/1620-157-0x0000000000000000-mapping.dmp
      • memory/1652-60-0x000007FEFB6A1000-0x000007FEFB6A3000-memory.dmp
        Filesize

        8KB

      • memory/1652-63-0x00000000004C0000-0x00000000004C1000-memory.dmp
        Filesize

        4KB

      • memory/1652-61-0x0000000002170000-0x00000000023E0000-memory.dmp
        Filesize

        2.4MB

      • memory/1668-155-0x0000000000000000-mapping.dmp
      • memory/1832-86-0x0000000000410000-0x0000000000411000-memory.dmp
        Filesize

        4KB

      • memory/1832-68-0x0000000002130000-0x00000000023A0000-memory.dmp
        Filesize

        2.4MB

      • memory/1832-70-0x0000000000410000-0x0000000000411000-memory.dmp
        Filesize

        4KB

      • memory/1832-69-0x0000000000410000-0x0000000000411000-memory.dmp
        Filesize

        4KB

      • memory/1832-95-0x0000000000410000-0x0000000000411000-memory.dmp
        Filesize

        4KB

      • memory/1832-65-0x0000000000000000-mapping.dmp
      • memory/1832-85-0x0000000000410000-0x0000000000411000-memory.dmp
        Filesize

        4KB

      • memory/1832-84-0x0000000000410000-0x0000000000411000-memory.dmp
        Filesize

        4KB

      • memory/1832-80-0x0000000000410000-0x0000000000411000-memory.dmp
        Filesize

        4KB

      • memory/1832-79-0x0000000000410000-0x0000000000411000-memory.dmp
        Filesize

        4KB

      • memory/1832-78-0x0000000000410000-0x0000000000411000-memory.dmp
        Filesize

        4KB

      • memory/1832-76-0x0000000000410000-0x0000000000411000-memory.dmp
        Filesize

        4KB

      • memory/1832-75-0x0000000000410000-0x0000000000411000-memory.dmp
        Filesize

        4KB

      • memory/1832-73-0x0000000000410000-0x0000000000411000-memory.dmp
        Filesize

        4KB

      • memory/1852-107-0x0000000000000000-mapping.dmp
      • memory/1852-148-0x0000000000220000-0x0000000000221000-memory.dmp
        Filesize

        4KB

      • memory/1852-126-0x0000000000220000-0x0000000000221000-memory.dmp
        Filesize

        4KB

      • memory/1852-118-0x0000000000220000-0x0000000000221000-memory.dmp
        Filesize

        4KB

      • memory/1852-119-0x00000000022F0000-0x0000000002560000-memory.dmp
        Filesize

        2.4MB

      • memory/1872-154-0x0000000000000000-mapping.dmp
      • memory/1992-62-0x0000000000000000-mapping.dmp