Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    18-11-2020 12:32

General

  • Target

    ShippingDoc.jar

  • Size

    166KB

  • MD5

    335c639a4ea7c94f9c53d1e793f08f45

  • SHA1

    d4d26a79b9c0e80b2ecee65f850f6fed21cbbaa2

  • SHA256

    c5efeacdeadcc98e8194c98b92a0a8d385f70a3b76bc32a85d90782b2721425f

  • SHA512

    587282a10f3e2dbd16a2f18b45686b4701e30110f561babe677c6bc795ecc40b6479d3b54bb4cb69c0117eb63ba251d3531621745f6a601aa5699e1fb18a07f2

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 3 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • 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 30 IoCs

Processes

  • C:\ProgramData\Oracle\Java\javapath\java.exe
    java -jar C:\Users\Admin\AppData\Local\Temp\ShippingDoc.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3484
    • C:\Windows\SYSTEM32\wscript.exe
      wscript C:\Users\Admin\mlqvxdkryi.js
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3412
      • C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
        "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\okmmzdmwla.txt"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2940
        • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
          "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\okmmzdmwla.txt"
          4⤵
          • Drops startup file
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:3788
          • C:\Windows\SYSTEM32\cmd.exe
            cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\okmmzdmwla.txt"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1356
            • C:\Windows\system32\schtasks.exe
              schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\okmmzdmwla.txt"
              6⤵
              • Creates scheduled task(s)
              PID:2740
          • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
            "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\okmmzdmwla.txt"
            5⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1344
            • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
              "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\plugins.jar" mp
              6⤵
              • Loads dropped DLL
              • Adds Run key to start application
              PID:1308
            • 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:592
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
                7⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:192
            • 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:1076
              • 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:2640
            • 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:3928
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
                7⤵
                  PID:2408
              • C:\Windows\SYSTEM32\cmd.exe
                cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
                6⤵
                • Suspicious use of WriteProcessMemory
                PID:3428
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                  7⤵
                    PID:4044

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

        MD5

        3b211fed0a8172bdf72c10e0e884df0c

        SHA1

        60a839d7f22455d9bad7c20065507424e606857f

        SHA256

        bbf7765f96526bb9c734ac41d4cfcd2492eeda974dce9c4fc8ce52e8bec54f69

        SHA512

        ca4b64468a2ca42b5440eaa037f3b1212e817f1e034dd8e1f07c3ec24d0ad8cf05da06afd733c52a05454a1036ae79ced4cdebb44cd997f3b6d6d1e8c7b9aaf8

      • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna5996235722996322311.dll

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna6307305913522683492.dll

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1985363256-3005190890-1182679451-1000\83aa4cc77f591dfc2374580bbd95f6ba_72727c5d-8d0e-47bb-8579-8067735277ff

        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\okmmzdmwla.txt

        MD5

        d2467c3440de01371bbe7e92928cfd8f

        SHA1

        73912f01890da9c5195499d2aa3f50a8e576e779

        SHA256

        7f9937a49a711293d64dc57b790156324002c2783dea1830a0400b226ca8eb23

        SHA512

        a1b8890b25523c45599fa651ef9add61ef15939602c35b2fc7a7bea22110ea9ff9a3fd7d01dd05b0c374562e44c32f5372f12f3aabe3c2facb7515bfa1541820

      • C:\Users\Admin\AppData\Roaming\okmmzdmwla.txt

        MD5

        d2467c3440de01371bbe7e92928cfd8f

        SHA1

        73912f01890da9c5195499d2aa3f50a8e576e779

        SHA256

        7f9937a49a711293d64dc57b790156324002c2783dea1830a0400b226ca8eb23

        SHA512

        a1b8890b25523c45599fa651ef9add61ef15939602c35b2fc7a7bea22110ea9ff9a3fd7d01dd05b0c374562e44c32f5372f12f3aabe3c2facb7515bfa1541820

      • C:\Users\Admin\AppData\Roaming\plugins.jar

        MD5

        d2467c3440de01371bbe7e92928cfd8f

        SHA1

        73912f01890da9c5195499d2aa3f50a8e576e779

        SHA256

        7f9937a49a711293d64dc57b790156324002c2783dea1830a0400b226ca8eb23

        SHA512

        a1b8890b25523c45599fa651ef9add61ef15939602c35b2fc7a7bea22110ea9ff9a3fd7d01dd05b0c374562e44c32f5372f12f3aabe3c2facb7515bfa1541820

      • 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\mlqvxdkryi.js

        MD5

        69fe560c0563f8bc5cf632cb589bb802

        SHA1

        bc18c3fcbd8465c008de98051ff9a9df936a47be

        SHA256

        a6498f86cc038a0ba27480cd97c90d40454c3247049ef269b45ac919832c9aaf

        SHA512

        04c3167e3b5a01289eb61ca69e551d42b4bfc7783a57f08b4a5d478b8deadf9c48d1da53edbe7f5c830ac74c904f65aa34605375c46042c7ede9a26387f05455

      • C:\Users\Admin\okmmzdmwla.txt

        MD5

        d2467c3440de01371bbe7e92928cfd8f

        SHA1

        73912f01890da9c5195499d2aa3f50a8e576e779

        SHA256

        7f9937a49a711293d64dc57b790156324002c2783dea1830a0400b226ca8eb23

        SHA512

        a1b8890b25523c45599fa651ef9add61ef15939602c35b2fc7a7bea22110ea9ff9a3fd7d01dd05b0c374562e44c32f5372f12f3aabe3c2facb7515bfa1541820

      • \Users\Admin\AppData\Local\Temp\jna-63116079\jna4485292194043496342.dll

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • \Users\Admin\AppData\Local\Temp\jna-63116079\jna5996235722996322311.dll

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • \Users\Admin\AppData\Local\Temp\jna-63116079\jna6307305913522683492.dll

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • memory/192-79-0x0000000000000000-mapping.dmp

      • memory/592-78-0x0000000000000000-mapping.dmp

      • memory/1076-85-0x0000000000000000-mapping.dmp

      • memory/1308-70-0x0000000000000000-mapping.dmp

      • memory/1344-52-0x0000000000000000-mapping.dmp

      • memory/1356-51-0x0000000000000000-mapping.dmp

      • memory/2408-92-0x0000000000000000-mapping.dmp

      • memory/2640-86-0x0000000000000000-mapping.dmp

      • memory/2740-55-0x0000000000000000-mapping.dmp

      • memory/2940-4-0x0000000000000000-mapping.dmp

      • memory/3412-1-0x0000000000000000-mapping.dmp

      • memory/3428-93-0x0000000000000000-mapping.dmp

      • memory/3788-36-0x0000000000000000-mapping.dmp

      • memory/3928-90-0x0000000000000000-mapping.dmp

      • memory/4044-94-0x0000000000000000-mapping.dmp