Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-06-2023 14:37

General

  • Target

    PO 01-2302 - Kanamori.jar

  • Size

    219KB

  • MD5

    e1cfae8d53a78f3bf1c7b4a00d50ee8a

  • SHA1

    c547607c397ca870d97e39fa1f0941fcc93c1ae5

  • SHA256

    df93b5395c2eb9211cbc3013a08d6e98b7a24b593f1160a2a6e8cb322f8bc025

  • SHA512

    335ff3880ccf9b1eeaf3634db131f40cb9e51b7b5390c6b1b22d7e4187aff534b777e5d708680f8d5c928a91e792f0da07065001e9f09dd382a30ee3135b9f78

  • SSDEEP

    6144:HHYOQp9F7erwK3JRZURdEZYtyHByqtp5I3r:n2Fq12mqyHFtp2r

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.

  • 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 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:\ProgramData\Oracle\Java\javapath\java.exe
    java -jar "C:\Users\Admin\AppData\Local\Temp\PO 01-2302 - Kanamori.jar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:368
    • 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\PO 01-2302 - Kanamori.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4792
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO 01-2302 - Kanamori.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3684
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\PO 01-2302 - Kanamori.jar"
          4⤵
          • Creates scheduled task(s)
          PID:1144
      • 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\PO 01-2302 - Kanamori.jar"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3224
        • 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:5068
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
            5⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4424
        • 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:2468
          • 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:2204
        • 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:3744
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
            5⤵
              PID:840
          • 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:2948
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
              5⤵
                PID:4612

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        50B

        MD5

        8893f9c7c69a6f3352393047e5237c27

        SHA1

        40a983d6718f0fe23a7887c1351a61227a1459ee

        SHA256

        4591d73afce9ece3e039a90248bea0dfcd14a436ca72f870a4187f1872870205

        SHA512

        450f10146bf20d39b64ed4e287cf10819a7483df681dcfc4244983d41c82dbdd60b1956c8bb14c46404dcfb6d1eea25d6b49811d244b48a4bde1d76b8e2a323c

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

        Filesize

        50B

        MD5

        867c4189af5fafec4b8f521d19f25619

        SHA1

        da3dd47ccffa1248a73ce0322b85ece617b55d9c

        SHA256

        896424d4c3548ab807939cdb32ec27f565f0010cc7380bbcba739c8e26722ea6

        SHA512

        d3137a2e2b3e5306196a1a0f550659aef43080e09cf3950ebbfd58fce787a736a2dec3e8f0e903c52afa87373760a6c01ec3b9707cd32d68da336e325f55aff3

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna1066003106475574592.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2177513644-1903222820-241662473-1000\83aa4cc77f591dfc2374580bbd95f6ba_18e45b86-45c8-4e56-b846-cf6e0f375be5

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

      • C:\Users\Admin\AppData\Roaming\PO 01-2302 - Kanamori.jar

        Filesize

        219KB

        MD5

        e1cfae8d53a78f3bf1c7b4a00d50ee8a

        SHA1

        c547607c397ca870d97e39fa1f0941fcc93c1ae5

        SHA256

        df93b5395c2eb9211cbc3013a08d6e98b7a24b593f1160a2a6e8cb322f8bc025

        SHA512

        335ff3880ccf9b1eeaf3634db131f40cb9e51b7b5390c6b1b22d7e4187aff534b777e5d708680f8d5c928a91e792f0da07065001e9f09dd382a30ee3135b9f78

      • C:\Users\Admin\AppData\Roaming\PO 01-2302 - Kanamori.jar

        Filesize

        219KB

        MD5

        e1cfae8d53a78f3bf1c7b4a00d50ee8a

        SHA1

        c547607c397ca870d97e39fa1f0941fcc93c1ae5

        SHA256

        df93b5395c2eb9211cbc3013a08d6e98b7a24b593f1160a2a6e8cb322f8bc025

        SHA512

        335ff3880ccf9b1eeaf3634db131f40cb9e51b7b5390c6b1b22d7e4187aff534b777e5d708680f8d5c928a91e792f0da07065001e9f09dd382a30ee3135b9f78

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

        Filesize

        1.4MB

        MD5

        acfb5b5fd9ee10bf69497792fd469f85

        SHA1

        0e0845217c4907822403912ad6828d8e0b256208

        SHA256

        b308faebfe4ed409de8410e0a632d164b2126b035f6eacff968d3908cafb4d9e

        SHA512

        e52575f58a195ceb3bd16b9740eadf5bc5b1d4d63c0734e8e5fd1d1776aa2d068d2e4c7173b83803f95f72c0a6759ae1c9b65773c734250d4cfcdf47a19f82aa

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

        Filesize

        2.6MB

        MD5

        2f4a99c2758e72ee2b59a73586a2322f

        SHA1

        af38e7c4d0fc73c23ecd785443705bfdee5b90bf

        SHA256

        24d81621f82ac29fcdd9a74116031f5907a2343158e616f4573bbfa2434ae0d5

        SHA512

        b860459a0d3bf7ccb600a03aa1d2ac0358619ee89b2b96ed723541e182b6fdab53aefef7992acb4e03fca67aa47cbe3907b1e6060a60b57ed96c4e00c35c7494

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

        Filesize

        4.1MB

        MD5

        b33387e15ab150a7bf560abdc73c3bec

        SHA1

        66b8075784131f578ef893fd7674273f709b9a4c

        SHA256

        2eae3dea1c3dde6104c49f9601074b6038ff6abcf3be23f4b56f6720a4f6a491

        SHA512

        25cfb0d6ce35d0bcb18527d3aa12c63ecb2d9c1b8b78805d1306e516c13480b79bb0d74730aa93bd1752f9ac2da9fdd51781c48844cea2fd52a06c62852c8279

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

        Filesize

        772KB

        MD5

        e1aa38a1e78a76a6de73efae136cdb3a

        SHA1

        c463da71871f780b2e2e5dba115d43953b537daf

        SHA256

        2ddda8af6faef8bde46acf43ec546603180bcf8dcb2e5591fff8ac9cd30b5609

        SHA512

        fee16fe9364926ec337e52f551fd62ed81984808a847de2fd68ff29b6c5da0dcc04ef6d8977f0fe675662a7d2ea1065cdcdd2a5259446226a7c7c5516bd7d60d

      • C:\Users\Admin\PO 01-2302 - Kanamori.jar

        Filesize

        219KB

        MD5

        e1cfae8d53a78f3bf1c7b4a00d50ee8a

        SHA1

        c547607c397ca870d97e39fa1f0941fcc93c1ae5

        SHA256

        df93b5395c2eb9211cbc3013a08d6e98b7a24b593f1160a2a6e8cb322f8bc025

        SHA512

        335ff3880ccf9b1eeaf3634db131f40cb9e51b7b5390c6b1b22d7e4187aff534b777e5d708680f8d5c928a91e792f0da07065001e9f09dd382a30ee3135b9f78

      • 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/368-225-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/368-198-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/368-213-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/368-143-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/368-205-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/368-222-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/368-220-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/368-215-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/368-214-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/368-158-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/368-204-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/368-223-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/368-195-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/368-194-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/368-191-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/368-184-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/368-179-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/368-173-0x0000000002740000-0x0000000002741000-memory.dmp

        Filesize

        4KB

      • memory/3224-273-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/3224-292-0x0000000001880000-0x0000000001881000-memory.dmp

        Filesize

        4KB

      • memory/4792-242-0x00000000015C0000-0x00000000015C1000-memory.dmp

        Filesize

        4KB