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Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/07/2024, 18:22

General

  • Target

    Bank transfer form.jar

  • Size

    400KB

  • MD5

    9149f42472342ff8632448b549129005

  • SHA1

    37a99ddbaf3378fcfdec14291effee6b42ff8f06

  • SHA256

    156d5e5d3092bb9a57892de9cc2f46d397bf47cef4dd492573b6a7abbb0a1d98

  • SHA512

    ce2bd20fdf4d3c16bce125505936ac7a6089607cbce2b0eb095c77d259fb83918c9064da0e5fef6570c89e47b4d39e801a82b2732513232a110e07668d6f40ec

  • SSDEEP

    12288:ihfKHT45C1FNDRQFv7J3tZqncVNP9iNON:iluT45gK1dTP9QY

Malware Config

Signatures

  • STRRAT

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

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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 WriteProcessMemory 8 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:\Program Files (x86)\Common Files\Oracle\Java\javapath\java.exe
    java -jar "C:\Users\Admin\AppData\Local\Temp\Bank transfer form.jar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5096
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\Bank transfer form.jar"
      2⤵
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2436
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Bank transfer form.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3964
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\Bank transfer form.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4004
      • 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\Bank transfer form.jar"
        3⤵
        • Loads dropped DLL
        PID:3828

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

    Filesize

    46B

    MD5

    87602286b97aa91925a32d8313c69815

    SHA1

    1aaf679bbc9acec42358e57ee53c77ba40c0f477

    SHA256

    32244adbad22c54dac0025eda3623a85b8ff60fad78e7e07143921e81b419d44

    SHA512

    314ebdbffca4cb56068a121feeed23776da1e7fe42eaff872ad55d632de1c7124089cb18e5982e3ae847c72f20a97a5079b783b3e58d99e2939e4efb30ac22d4

  • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna2614797896009191845.dll

    Filesize

    241KB

    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1750093773-264148664-1320403265-1000\83aa4cc77f591dfc2374580bbd95f6ba_46967d70-72aa-405b-b21a-7603bc5aaaad

    Filesize

    45B

    MD5

    c8366ae350e7019aefc9d1e6e6a498c6

    SHA1

    5731d8a3e6568a5f2dfbbc87e3db9637df280b61

    SHA256

    11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

    SHA512

    33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

  • C:\Users\Admin\Bank transfer form.jar

    Filesize

    400KB

    MD5

    9149f42472342ff8632448b549129005

    SHA1

    37a99ddbaf3378fcfdec14291effee6b42ff8f06

    SHA256

    156d5e5d3092bb9a57892de9cc2f46d397bf47cef4dd492573b6a7abbb0a1d98

    SHA512

    ce2bd20fdf4d3c16bce125505936ac7a6089607cbce2b0eb095c77d259fb83918c9064da0e5fef6570c89e47b4d39e801a82b2732513232a110e07668d6f40ec

  • 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/2436-284-0x00000192EC4F0000-0x00000192EC4F1000-memory.dmp

    Filesize

    4KB

  • memory/2436-230-0x00000192EC4F0000-0x00000192EC4F1000-memory.dmp

    Filesize

    4KB

  • memory/3828-327-0x0000026326510000-0x0000026326511000-memory.dmp

    Filesize

    4KB

  • memory/5096-99-0x0000022E00430000-0x0000022E00440000-memory.dmp

    Filesize

    64KB

  • memory/5096-79-0x0000022E003F0000-0x0000022E00400000-memory.dmp

    Filesize

    64KB

  • memory/5096-116-0x0000022E003C0000-0x0000022E003D0000-memory.dmp

    Filesize

    64KB

  • memory/5096-29-0x0000022E002F0000-0x0000022E00300000-memory.dmp

    Filesize

    64KB

  • memory/5096-31-0x0000022E00300000-0x0000022E00310000-memory.dmp

    Filesize

    64KB

  • memory/5096-39-0x0000022E00340000-0x0000022E00350000-memory.dmp

    Filesize

    64KB

  • memory/5096-38-0x0000022E00330000-0x0000022E00340000-memory.dmp

    Filesize

    64KB

  • memory/5096-37-0x0000022E00320000-0x0000022E00330000-memory.dmp

    Filesize

    64KB

  • memory/5096-36-0x0000022E00310000-0x0000022E00320000-memory.dmp

    Filesize

    64KB

  • memory/5096-47-0x0000022E00000000-0x0000022E00270000-memory.dmp

    Filesize

    2.4MB

  • memory/5096-49-0x0000022E00360000-0x0000022E00370000-memory.dmp

    Filesize

    64KB

  • memory/5096-48-0x0000022E00350000-0x0000022E00360000-memory.dmp

    Filesize

    64KB

  • memory/5096-52-0x0000022E00370000-0x0000022E00380000-memory.dmp

    Filesize

    64KB

  • memory/5096-51-0x0000022E00280000-0x0000022E00290000-memory.dmp

    Filesize

    64KB

  • memory/5096-50-0x0000022E00270000-0x0000022E00280000-memory.dmp

    Filesize

    64KB

  • memory/5096-56-0x0000022E00380000-0x0000022E00390000-memory.dmp

    Filesize

    64KB

  • memory/5096-55-0x0000022E00290000-0x0000022E002A0000-memory.dmp

    Filesize

    64KB

  • memory/5096-61-0x0000022E003A0000-0x0000022E003B0000-memory.dmp

    Filesize

    64KB

  • memory/5096-62-0x0000022E76E50000-0x0000022E76E51000-memory.dmp

    Filesize

    4KB

  • memory/5096-60-0x0000022E002B0000-0x0000022E002C0000-memory.dmp

    Filesize

    64KB

  • memory/5096-59-0x0000022E00390000-0x0000022E003A0000-memory.dmp

    Filesize

    64KB

  • memory/5096-58-0x0000022E002A0000-0x0000022E002B0000-memory.dmp

    Filesize

    64KB

  • memory/5096-71-0x0000022E002E0000-0x0000022E002F0000-memory.dmp

    Filesize

    64KB

  • memory/5096-70-0x0000022E003D0000-0x0000022E003E0000-memory.dmp

    Filesize

    64KB

  • memory/5096-69-0x0000022E003C0000-0x0000022E003D0000-memory.dmp

    Filesize

    64KB

  • memory/5096-75-0x0000022E003E0000-0x0000022E003F0000-memory.dmp

    Filesize

    64KB

  • memory/5096-74-0x0000022E002F0000-0x0000022E00300000-memory.dmp

    Filesize

    64KB

  • memory/5096-68-0x0000022E003B0000-0x0000022E003C0000-memory.dmp

    Filesize

    64KB

  • memory/5096-67-0x0000022E002D0000-0x0000022E002E0000-memory.dmp

    Filesize

    64KB

  • memory/5096-66-0x0000022E002C0000-0x0000022E002D0000-memory.dmp

    Filesize

    64KB

  • memory/5096-115-0x0000022E003B0000-0x0000022E003C0000-memory.dmp

    Filesize

    64KB

  • memory/5096-78-0x0000022E00300000-0x0000022E00310000-memory.dmp

    Filesize

    64KB

  • memory/5096-85-0x0000022E00400000-0x0000022E00410000-memory.dmp

    Filesize

    64KB

  • memory/5096-84-0x0000022E00340000-0x0000022E00350000-memory.dmp

    Filesize

    64KB

  • memory/5096-83-0x0000022E00330000-0x0000022E00340000-memory.dmp

    Filesize

    64KB

  • memory/5096-82-0x0000022E00320000-0x0000022E00330000-memory.dmp

    Filesize

    64KB

  • memory/5096-81-0x0000022E00310000-0x0000022E00320000-memory.dmp

    Filesize

    64KB

  • memory/5096-87-0x0000022E76E50000-0x0000022E76E51000-memory.dmp

    Filesize

    4KB

  • memory/5096-88-0x0000022E00360000-0x0000022E00370000-memory.dmp

    Filesize

    64KB

  • memory/5096-89-0x0000022E00410000-0x0000022E00420000-memory.dmp

    Filesize

    64KB

  • memory/5096-93-0x0000022E00370000-0x0000022E00380000-memory.dmp

    Filesize

    64KB

  • memory/5096-94-0x0000022E00420000-0x0000022E00430000-memory.dmp

    Filesize

    64KB

  • memory/5096-117-0x0000022E00490000-0x0000022E004A0000-memory.dmp

    Filesize

    64KB

  • memory/5096-102-0x0000022E00450000-0x0000022E00460000-memory.dmp

    Filesize

    64KB

  • memory/5096-101-0x0000022E00390000-0x0000022E003A0000-memory.dmp

    Filesize

    64KB

  • memory/5096-100-0x0000022E00440000-0x0000022E00450000-memory.dmp

    Filesize

    64KB

  • memory/5096-24-0x0000022E002C0000-0x0000022E002D0000-memory.dmp

    Filesize

    64KB

  • memory/5096-109-0x0000022E00480000-0x0000022E00490000-memory.dmp

    Filesize

    64KB

  • memory/5096-108-0x0000022E00470000-0x0000022E00480000-memory.dmp

    Filesize

    64KB

  • memory/5096-107-0x0000022E00460000-0x0000022E00470000-memory.dmp

    Filesize

    64KB

  • memory/5096-106-0x0000022E003A0000-0x0000022E003B0000-memory.dmp

    Filesize

    64KB

  • memory/5096-113-0x0000022E76E50000-0x0000022E76E51000-memory.dmp

    Filesize

    4KB

  • memory/5096-97-0x0000022E00380000-0x0000022E00390000-memory.dmp

    Filesize

    64KB

  • memory/5096-25-0x0000022E002D0000-0x0000022E002E0000-memory.dmp

    Filesize

    64KB

  • memory/5096-27-0x0000022E002E0000-0x0000022E002F0000-memory.dmp

    Filesize

    64KB

  • memory/5096-119-0x0000022E003D0000-0x0000022E003E0000-memory.dmp

    Filesize

    64KB

  • memory/5096-120-0x0000022E004A0000-0x0000022E004B0000-memory.dmp

    Filesize

    64KB

  • memory/5096-121-0x0000022E76E50000-0x0000022E76E51000-memory.dmp

    Filesize

    4KB

  • memory/5096-124-0x0000022E004B0000-0x0000022E004C0000-memory.dmp

    Filesize

    64KB

  • memory/5096-123-0x0000022E003E0000-0x0000022E003F0000-memory.dmp

    Filesize

    64KB

  • memory/5096-127-0x0000022E003F0000-0x0000022E00400000-memory.dmp

    Filesize

    64KB

  • memory/5096-129-0x0000022E76E50000-0x0000022E76E51000-memory.dmp

    Filesize

    4KB

  • memory/5096-128-0x0000022E004C0000-0x0000022E004D0000-memory.dmp

    Filesize

    64KB

  • memory/5096-132-0x0000022E004D0000-0x0000022E004E0000-memory.dmp

    Filesize

    64KB

  • memory/5096-131-0x0000022E00400000-0x0000022E00410000-memory.dmp

    Filesize

    64KB

  • memory/5096-135-0x0000022E004E0000-0x0000022E004F0000-memory.dmp

    Filesize

    64KB

  • memory/5096-134-0x0000022E00410000-0x0000022E00420000-memory.dmp

    Filesize

    64KB

  • memory/5096-137-0x0000022E76E50000-0x0000022E76E51000-memory.dmp

    Filesize

    4KB

  • memory/5096-142-0x0000022E00420000-0x0000022E00430000-memory.dmp

    Filesize

    64KB

  • memory/5096-144-0x0000022E004F0000-0x0000022E00500000-memory.dmp

    Filesize

    64KB

  • memory/5096-143-0x0000022E00430000-0x0000022E00440000-memory.dmp

    Filesize

    64KB

  • memory/5096-147-0x0000022E00500000-0x0000022E00510000-memory.dmp

    Filesize

    64KB

  • memory/5096-146-0x0000022E00440000-0x0000022E00450000-memory.dmp

    Filesize

    64KB

  • memory/5096-148-0x0000022E76E50000-0x0000022E76E51000-memory.dmp

    Filesize

    4KB

  • memory/5096-150-0x0000022E00450000-0x0000022E00460000-memory.dmp

    Filesize

    64KB

  • memory/5096-151-0x0000022E00510000-0x0000022E00520000-memory.dmp

    Filesize

    64KB

  • memory/5096-156-0x0000022E00460000-0x0000022E00470000-memory.dmp

    Filesize

    64KB

  • memory/5096-157-0x0000022E00470000-0x0000022E00480000-memory.dmp

    Filesize

    64KB

  • memory/5096-158-0x0000022E00480000-0x0000022E00490000-memory.dmp

    Filesize

    64KB

  • memory/5096-159-0x0000022E00520000-0x0000022E00530000-memory.dmp

    Filesize

    64KB

  • memory/5096-160-0x0000022E00490000-0x0000022E004A0000-memory.dmp

    Filesize

    64KB

  • memory/5096-161-0x0000022E004A0000-0x0000022E004B0000-memory.dmp

    Filesize

    64KB

  • memory/5096-162-0x0000022E004B0000-0x0000022E004C0000-memory.dmp

    Filesize

    64KB

  • memory/5096-163-0x0000022E76E50000-0x0000022E76E51000-memory.dmp

    Filesize

    4KB

  • memory/5096-165-0x0000022E004C0000-0x0000022E004D0000-memory.dmp

    Filesize

    64KB

  • memory/5096-171-0x0000022E004D0000-0x0000022E004E0000-memory.dmp

    Filesize

    64KB

  • memory/5096-172-0x0000022E004E0000-0x0000022E004F0000-memory.dmp

    Filesize

    64KB

  • memory/5096-174-0x0000022E76E50000-0x0000022E76E51000-memory.dmp

    Filesize

    4KB

  • memory/5096-176-0x0000022E00530000-0x0000022E00540000-memory.dmp

    Filesize

    64KB

  • memory/5096-175-0x0000022E004F0000-0x0000022E00500000-memory.dmp

    Filesize

    64KB

  • memory/5096-185-0x0000022E002B0000-0x0000022E002C0000-memory.dmp

    Filesize

    64KB

  • memory/5096-188-0x0000022E002E0000-0x0000022E002F0000-memory.dmp

    Filesize

    64KB

  • memory/5096-187-0x0000022E003D0000-0x0000022E003E0000-memory.dmp

    Filesize

    64KB

  • memory/5096-186-0x0000022E002C0000-0x0000022E002D0000-memory.dmp

    Filesize

    64KB

  • memory/5096-184-0x0000022E002A0000-0x0000022E002B0000-memory.dmp

    Filesize

    64KB

  • memory/5096-22-0x0000022E002B0000-0x0000022E002C0000-memory.dmp

    Filesize

    64KB

  • memory/5096-20-0x0000022E002A0000-0x0000022E002B0000-memory.dmp

    Filesize

    64KB

  • memory/5096-17-0x0000022E00290000-0x0000022E002A0000-memory.dmp

    Filesize

    64KB

  • memory/5096-14-0x0000022E00270000-0x0000022E00280000-memory.dmp

    Filesize

    64KB

  • memory/5096-15-0x0000022E00280000-0x0000022E00290000-memory.dmp

    Filesize

    64KB

  • memory/5096-11-0x0000022E76E50000-0x0000022E76E51000-memory.dmp

    Filesize

    4KB

  • memory/5096-2-0x0000022E00000000-0x0000022E00270000-memory.dmp

    Filesize

    2.4MB

  • memory/5096-183-0x0000022E00290000-0x0000022E002A0000-memory.dmp

    Filesize

    64KB

  • memory/5096-182-0x0000022E00280000-0x0000022E00290000-memory.dmp

    Filesize

    64KB

  • memory/5096-181-0x0000022E00270000-0x0000022E00280000-memory.dmp

    Filesize

    64KB

  • memory/5096-180-0x0000022E00000000-0x0000022E00270000-memory.dmp

    Filesize

    2.4MB