Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2024 13:24

General

  • Target

    Tax Returns Of R38,765.js

  • Size

    211KB

  • MD5

    e947528c147eb16988daa321ae3cd7ea

  • SHA1

    3d8b74f4215266a55a81c2024af8748357250c62

  • SHA256

    9f447130d0bfc9381af846b22967c76537b8ebf452c241c1b78c1e55ce50843e

  • SHA512

    5ebd763f9a1461b05b5b78f46b865e6e086442480540e22914b3f496e226243a350533f5081bd7bb33f9d4763107c0caa12d97cfff521839763dfc13f63f0b8e

  • SSDEEP

    6144:DQBDS9zYBtO2eZxZZjk88ZNTJrpXrZgZkm:kBsexILyLlFrZQ

Malware Config

Signatures

  • STRRAT

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 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 26 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:\Windows\system32\wscript.exe
    wscript.exe "C:\Users\Admin\AppData\Local\Temp\Tax Returns Of R38,765.js"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4484
    • C:\Program Files\Java\jre-1.8\bin\javaw.exe
      "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\ezxbohlosk.txt"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1936
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\ezxbohlosk.txt"
        3⤵
        • Drops startup file
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1444
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ezxbohlosk.txt"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4040
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\ezxbohlosk.txt"
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:3300
        • C:\Program Files\Java\jre-1.8\bin\java.exe
          "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\AppData\Roaming\ezxbohlosk.txt"
          4⤵
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:5000
          • 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:436
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_logicaldisk get volumeserialnumber /format:list
              6⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:456
          • 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:2172
            • 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:3248
          • 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:336
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic /node:. /namespace:'\\root\cimv2' path win32_operatingsystem get version /format:list
              6⤵
                PID:1388
            • C:\Windows\SYSTEM32\cmd.exe
              cmd.exe /c "wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list"
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:4912
              • C:\Windows\System32\Wbem\WMIC.exe
                wmic /node:localhost /namespace:'\\root\securitycenter2' path antivirusproduct get displayname /format:list
                6⤵
                  PID:1804

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna1791829069198824766.dll

        Filesize

        241KB

        MD5

        e02979ecd43bcc9061eb2b494ab5af50

        SHA1

        3122ac0e751660f646c73b10c4f79685aa65c545

        SHA256

        a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

        SHA512

        1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

      • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2437139445-1151884604-3026847218-1000\83aa4cc77f591dfc2374580bbd95f6ba_4304acb9-c3f6-452a-9860-eb4e85d38d4e

        Filesize

        45B

        MD5

        c8366ae350e7019aefc9d1e6e6a498c6

        SHA1

        5731d8a3e6568a5f2dfbbc87e3db9637df280b61

        SHA256

        11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

        SHA512

        33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

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

        Filesize

        92KB

        MD5

        2543beb989715570292d7263b60bab1a

        SHA1

        ebb68838c9ce8f235349c2616bdd65f294b271ee

        SHA256

        3ec814fcff2491c0863b5d5e5e26af3799bae70bc7fa4768cb5fbac74f0e0cab

        SHA512

        c47b6f843bcc4906b03e011b0405b4bfb3bb65422e14fd6dd8bc7bc4975e055d5e93a3562c0031dcb065649d82b8e5ca30cf1279044bea572eb5c9ee30a264db

      • 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/1444-235-0x000001E5762A0000-0x000001E5762A1000-memory.dmp

        Filesize

        4KB

      • memory/1444-210-0x000001E5762A0000-0x000001E5762A1000-memory.dmp

        Filesize

        4KB

      • memory/1936-76-0x0000011F2BB30000-0x0000011F2BB40000-memory.dmp

        Filesize

        64KB

      • memory/1936-155-0x0000011F2BAD0000-0x0000011F2BAE0000-memory.dmp

        Filesize

        64KB

      • memory/1936-24-0x0000011F2BB00000-0x0000011F2BB10000-memory.dmp

        Filesize

        64KB

      • memory/1936-25-0x0000011F29FB0000-0x0000011F29FB1000-memory.dmp

        Filesize

        4KB

      • memory/1936-27-0x0000011F2BB10000-0x0000011F2BB20000-memory.dmp

        Filesize

        64KB

      • memory/1936-30-0x0000011F2BB20000-0x0000011F2BB30000-memory.dmp

        Filesize

        64KB

      • memory/1936-38-0x0000011F2BB30000-0x0000011F2BB40000-memory.dmp

        Filesize

        64KB

      • memory/1936-39-0x0000011F2BB50000-0x0000011F2BB60000-memory.dmp

        Filesize

        64KB

      • memory/1936-43-0x0000011F2BAB0000-0x0000011F2BAC0000-memory.dmp

        Filesize

        64KB

      • memory/1936-46-0x0000011F2BB70000-0x0000011F2BB80000-memory.dmp

        Filesize

        64KB

      • memory/1936-45-0x0000011F2BAC0000-0x0000011F2BAD0000-memory.dmp

        Filesize

        64KB

      • memory/1936-42-0x0000011F2BB60000-0x0000011F2BB70000-memory.dmp

        Filesize

        64KB

      • memory/1936-49-0x0000011F2BB80000-0x0000011F2BB90000-memory.dmp

        Filesize

        64KB

      • memory/1936-48-0x0000011F2BAD0000-0x0000011F2BAE0000-memory.dmp

        Filesize

        64KB

      • memory/1936-41-0x0000011F2B840000-0x0000011F2BAB0000-memory.dmp

        Filesize

        2.4MB

      • memory/1936-37-0x0000011F2BB40000-0x0000011F2BB50000-memory.dmp

        Filesize

        64KB

      • memory/1936-53-0x0000011F2BAE0000-0x0000011F2BAF0000-memory.dmp

        Filesize

        64KB

      • memory/1936-57-0x0000011F2BAF0000-0x0000011F2BB00000-memory.dmp

        Filesize

        64KB

      • memory/1936-55-0x0000011F2BBA0000-0x0000011F2BBB0000-memory.dmp

        Filesize

        64KB

      • memory/1936-54-0x0000011F2BB90000-0x0000011F2BBA0000-memory.dmp

        Filesize

        64KB

      • memory/1936-56-0x0000011F2BBB0000-0x0000011F2BBC0000-memory.dmp

        Filesize

        64KB

      • memory/1936-60-0x0000011F2BB00000-0x0000011F2BB10000-memory.dmp

        Filesize

        64KB

      • memory/1936-61-0x0000011F2BBC0000-0x0000011F2BBD0000-memory.dmp

        Filesize

        64KB

      • memory/1936-64-0x0000011F2BB10000-0x0000011F2BB20000-memory.dmp

        Filesize

        64KB

      • memory/1936-65-0x0000011F2BBD0000-0x0000011F2BBE0000-memory.dmp

        Filesize

        64KB

      • memory/1936-66-0x0000011F29FB0000-0x0000011F29FB1000-memory.dmp

        Filesize

        4KB

      • memory/1936-69-0x0000011F2BB20000-0x0000011F2BB30000-memory.dmp

        Filesize

        64KB

      • memory/1936-70-0x0000011F2BBE0000-0x0000011F2BBF0000-memory.dmp

        Filesize

        64KB

      • memory/1936-80-0x0000011F2BC10000-0x0000011F2BC20000-memory.dmp

        Filesize

        64KB

      • memory/1936-92-0x0000011F2BB70000-0x0000011F2BB80000-memory.dmp

        Filesize

        64KB

      • memory/1936-91-0x0000011F2BC50000-0x0000011F2BC60000-memory.dmp

        Filesize

        64KB

      • memory/1936-90-0x0000011F2BC40000-0x0000011F2BC50000-memory.dmp

        Filesize

        64KB

      • memory/1936-89-0x0000011F2BC30000-0x0000011F2BC40000-memory.dmp

        Filesize

        64KB

      • memory/1936-88-0x0000011F2BC20000-0x0000011F2BC30000-memory.dmp

        Filesize

        64KB

      • memory/1936-87-0x0000011F2BB60000-0x0000011F2BB70000-memory.dmp

        Filesize

        64KB

      • memory/1936-79-0x0000011F2BC00000-0x0000011F2BC10000-memory.dmp

        Filesize

        64KB

      • memory/1936-99-0x0000011F2BB80000-0x0000011F2BB90000-memory.dmp

        Filesize

        64KB

      • memory/1936-104-0x0000011F2BBB0000-0x0000011F2BBC0000-memory.dmp

        Filesize

        64KB

      • memory/1936-103-0x0000011F2BBA0000-0x0000011F2BBB0000-memory.dmp

        Filesize

        64KB

      • memory/1936-102-0x0000011F2BB90000-0x0000011F2BBA0000-memory.dmp

        Filesize

        64KB

      • memory/1936-106-0x0000011F2BC80000-0x0000011F2BC90000-memory.dmp

        Filesize

        64KB

      • memory/1936-101-0x0000011F2BC70000-0x0000011F2BC80000-memory.dmp

        Filesize

        64KB

      • memory/1936-100-0x0000011F2BC60000-0x0000011F2BC70000-memory.dmp

        Filesize

        64KB

      • memory/1936-97-0x0000011F29FB0000-0x0000011F29FB1000-memory.dmp

        Filesize

        4KB

      • memory/1936-78-0x0000011F2BBF0000-0x0000011F2BC00000-memory.dmp

        Filesize

        64KB

      • memory/1936-77-0x0000011F2BB50000-0x0000011F2BB60000-memory.dmp

        Filesize

        64KB

      • memory/1936-20-0x0000011F2BAE0000-0x0000011F2BAF0000-memory.dmp

        Filesize

        64KB

      • memory/1936-113-0x0000011F2BCA0000-0x0000011F2BCB0000-memory.dmp

        Filesize

        64KB

      • memory/1936-85-0x0000011F29FB0000-0x0000011F29FB1000-memory.dmp

        Filesize

        4KB

      • memory/1936-109-0x0000011F2BC90000-0x0000011F2BCA0000-memory.dmp

        Filesize

        64KB

      • memory/1936-108-0x0000011F2BBC0000-0x0000011F2BBD0000-memory.dmp

        Filesize

        64KB

      • memory/1936-110-0x0000011F29FB0000-0x0000011F29FB1000-memory.dmp

        Filesize

        4KB

      • memory/1936-75-0x0000011F2BB40000-0x0000011F2BB50000-memory.dmp

        Filesize

        64KB

      • memory/1936-22-0x0000011F2BAF0000-0x0000011F2BB00000-memory.dmp

        Filesize

        64KB

      • memory/1936-158-0x0000011F2BB00000-0x0000011F2BB10000-memory.dmp

        Filesize

        64KB

      • memory/1936-116-0x0000011F2BCB0000-0x0000011F2BCC0000-memory.dmp

        Filesize

        64KB

      • memory/1936-121-0x0000011F2BC00000-0x0000011F2BC10000-memory.dmp

        Filesize

        64KB

      • memory/1936-124-0x0000011F2BCD0000-0x0000011F2BCE0000-memory.dmp

        Filesize

        64KB

      • memory/1936-123-0x0000011F2BCC0000-0x0000011F2BCD0000-memory.dmp

        Filesize

        64KB

      • memory/1936-122-0x0000011F2BC10000-0x0000011F2BC20000-memory.dmp

        Filesize

        64KB

      • memory/1936-120-0x0000011F2BBF0000-0x0000011F2BC00000-memory.dmp

        Filesize

        64KB

      • memory/1936-126-0x0000011F2BC20000-0x0000011F2BC30000-memory.dmp

        Filesize

        64KB

      • memory/1936-130-0x0000011F2BCE0000-0x0000011F2BCF0000-memory.dmp

        Filesize

        64KB

      • memory/1936-129-0x0000011F2BC50000-0x0000011F2BC60000-memory.dmp

        Filesize

        64KB

      • memory/1936-128-0x0000011F2BC40000-0x0000011F2BC50000-memory.dmp

        Filesize

        64KB

      • memory/1936-127-0x0000011F2BC30000-0x0000011F2BC40000-memory.dmp

        Filesize

        64KB

      • memory/1936-132-0x0000011F29FB0000-0x0000011F29FB1000-memory.dmp

        Filesize

        4KB

      • memory/1936-136-0x0000011F2BCF0000-0x0000011F2BD00000-memory.dmp

        Filesize

        64KB

      • memory/1936-143-0x0000011F2BC70000-0x0000011F2BC80000-memory.dmp

        Filesize

        64KB

      • memory/1936-142-0x0000011F2BC60000-0x0000011F2BC70000-memory.dmp

        Filesize

        64KB

      • memory/1936-147-0x0000011F2BC80000-0x0000011F2BC90000-memory.dmp

        Filesize

        64KB

      • memory/1936-151-0x0000011F29FB0000-0x0000011F29FB1000-memory.dmp

        Filesize

        4KB

      • memory/1936-157-0x0000011F2BAF0000-0x0000011F2BB00000-memory.dmp

        Filesize

        64KB

      • memory/1936-161-0x0000011F2BB40000-0x0000011F2BB50000-memory.dmp

        Filesize

        64KB

      • memory/1936-178-0x0000011F2BC90000-0x0000011F2BCA0000-memory.dmp

        Filesize

        64KB

      • memory/1936-177-0x0000011F2BC70000-0x0000011F2BC80000-memory.dmp

        Filesize

        64KB

      • memory/1936-176-0x0000011F2BC60000-0x0000011F2BC70000-memory.dmp

        Filesize

        64KB

      • memory/1936-175-0x0000011F2BC50000-0x0000011F2BC60000-memory.dmp

        Filesize

        64KB

      • memory/1936-174-0x0000011F2BC40000-0x0000011F2BC50000-memory.dmp

        Filesize

        64KB

      • memory/1936-173-0x0000011F2BC30000-0x0000011F2BC40000-memory.dmp

        Filesize

        64KB

      • memory/1936-172-0x0000011F2BBE0000-0x0000011F2BBF0000-memory.dmp

        Filesize

        64KB

      • memory/1936-171-0x0000011F2BBD0000-0x0000011F2BBE0000-memory.dmp

        Filesize

        64KB

      • memory/1936-170-0x0000011F2BBC0000-0x0000011F2BBD0000-memory.dmp

        Filesize

        64KB

      • memory/1936-169-0x0000011F2BBB0000-0x0000011F2BBC0000-memory.dmp

        Filesize

        64KB

      • memory/1936-168-0x0000011F2BBA0000-0x0000011F2BBB0000-memory.dmp

        Filesize

        64KB

      • memory/1936-167-0x0000011F2BB90000-0x0000011F2BBA0000-memory.dmp

        Filesize

        64KB

      • memory/1936-166-0x0000011F2BB80000-0x0000011F2BB90000-memory.dmp

        Filesize

        64KB

      • memory/1936-165-0x0000011F2BB70000-0x0000011F2BB80000-memory.dmp

        Filesize

        64KB

      • memory/1936-164-0x0000011F2B840000-0x0000011F2BAB0000-memory.dmp

        Filesize

        2.4MB

      • memory/1936-163-0x0000011F2BB50000-0x0000011F2BB60000-memory.dmp

        Filesize

        64KB

      • memory/1936-162-0x0000011F2BB30000-0x0000011F2BB40000-memory.dmp

        Filesize

        64KB

      • memory/1936-160-0x0000011F2BB20000-0x0000011F2BB30000-memory.dmp

        Filesize

        64KB

      • memory/1936-159-0x0000011F2BB10000-0x0000011F2BB20000-memory.dmp

        Filesize

        64KB

      • memory/1936-115-0x0000011F2BBE0000-0x0000011F2BBF0000-memory.dmp

        Filesize

        64KB

      • memory/1936-18-0x0000011F2BAD0000-0x0000011F2BAE0000-memory.dmp

        Filesize

        64KB

      • memory/1936-16-0x0000011F2BAC0000-0x0000011F2BAD0000-memory.dmp

        Filesize

        64KB

      • memory/1936-14-0x0000011F2BAB0000-0x0000011F2BAC0000-memory.dmp

        Filesize

        64KB

      • memory/1936-4-0x0000011F2B840000-0x0000011F2BAB0000-memory.dmp

        Filesize

        2.4MB

      • memory/1936-156-0x0000011F2BAE0000-0x0000011F2BAF0000-memory.dmp

        Filesize

        64KB

      • memory/1936-112-0x0000011F2BBD0000-0x0000011F2BBE0000-memory.dmp

        Filesize

        64KB

      • memory/1936-154-0x0000011F2BAC0000-0x0000011F2BAD0000-memory.dmp

        Filesize

        64KB

      • memory/1936-153-0x0000011F2BAB0000-0x0000011F2BAC0000-memory.dmp

        Filesize

        64KB

      • memory/1936-152-0x0000011F2BB60000-0x0000011F2BB70000-memory.dmp

        Filesize

        64KB

      • memory/5000-268-0x000001EDC8370000-0x000001EDC8371000-memory.dmp

        Filesize

        4KB

      • memory/5000-278-0x000001EDC8370000-0x000001EDC8371000-memory.dmp

        Filesize

        4KB