Analysis

  • max time kernel
    27s
  • max time network
    40s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    06-07-2024 15:33

General

  • Target

    3eafb74de2ee510948914c85bc60f01044bae17b12055e892c1711abc20fd64b.jar

  • Size

    203KB

  • MD5

    b6ca4213e6f097b3537f732a4ffd195f

  • SHA1

    59539ba574ca3ad901331cfaef98977d68fc3ee0

  • SHA256

    3eafb74de2ee510948914c85bc60f01044bae17b12055e892c1711abc20fd64b

  • SHA512

    ee17012dcfd98829e4a5fae7b11c7265a16ccdb3a0682968fd115b57fef10123ff9174119fbed70c2d1cd3d63eb8437ddc3f289da3652bdf1f8aac96cde5b0e1

  • SSDEEP

    3072:xxXgSiFF4/9Gc/GJrulpnKtQ3aeb01TdD9KQ0rSK2WF52G8a:xhgSiFFc/4Cl4qp01Tx9+SrG8a

Malware Config

Extracted

Family

strrat

C2

dollarman101.hopto.org:6060

Attributes
  • license_id

    ZTT1-7ZAL-XCZM-48JG-C0LB

  • plugins_url

    http://jbfrost.live/strigoi/server/?hwid=1&lid=m&ht=5

  • scheduled_task

    true

  • secondary_startup

    true

  • startup

    true

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
  • Modifies file permissions 1 TTPs 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 10 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\3eafb74de2ee510948914c85bc60f01044bae17b12055e892c1711abc20fd64b.jar
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:428
    • C:\Windows\system32\icacls.exe
      C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
      2⤵
      • Modifies file permissions
      PID:3932
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\3eafb74de2ee510948914c85bc60f01044bae17b12055e892c1711abc20fd64b.jar"
      2⤵
      • Drops startup file
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:484
      • C:\Windows\SYSTEM32\cmd.exe
        cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\3eafb74de2ee510948914c85bc60f01044bae17b12055e892c1711abc20fd64b.jar"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:380
        • C:\Windows\system32\schtasks.exe
          schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\3eafb74de2ee510948914c85bc60f01044bae17b12055e892c1711abc20fd64b.jar"
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:4220
      • 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\3eafb74de2ee510948914c85bc60f01044bae17b12055e892c1711abc20fd64b.jar"
        3⤵
        • Loads dropped DLL
        PID:3604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    46B

    MD5

    810406f0ac3db02fd50a66aa25493b73

    SHA1

    1a19173612966f710df7e9b8585ffa23453f5f10

    SHA256

    6093ef5db881beee5194614995efab5791df58ee0f97d00942b4268fe8332d36

    SHA512

    8fbdec6a7559a4e25d1d62608f0d3f2df1503d8336c27d271a3c324594e7f11b52f7b9fdda170170c6ed52688531d7909528b70c74188c04eb5394293f01ff71

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

    Filesize

    46B

    MD5

    b749f1baba7f21331545ca40115ef357

    SHA1

    8f49e6a2c82476c1da54c85d1263801aade431ab

    SHA256

    74c6fcc69c7d3f303fdaccfd294f748eb59a6a4d452bcb22dc95c69d767632e8

    SHA512

    22a1d1d6ecb8a6b164b23af15fddd9b0fd1dc0bdca682e60d856f0755a14cbeab349330b3f255fe75223dda8970268235e2f9eb2b75ce3e45fc653809ff579d6

  • C:\Users\Admin\3eafb74de2ee510948914c85bc60f01044bae17b12055e892c1711abc20fd64b.jar

    Filesize

    203KB

    MD5

    b6ca4213e6f097b3537f732a4ffd195f

    SHA1

    59539ba574ca3ad901331cfaef98977d68fc3ee0

    SHA256

    3eafb74de2ee510948914c85bc60f01044bae17b12055e892c1711abc20fd64b

    SHA512

    ee17012dcfd98829e4a5fae7b11c7265a16ccdb3a0682968fd115b57fef10123ff9174119fbed70c2d1cd3d63eb8437ddc3f289da3652bdf1f8aac96cde5b0e1

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3968772205-1713802336-1776639840-1000\83aa4cc77f591dfc2374580bbd95f6ba_f4fe33a0-f73d-4d5c-8730-deeef20ef238

    Filesize

    45B

    MD5

    c8366ae350e7019aefc9d1e6e6a498c6

    SHA1

    5731d8a3e6568a5f2dfbbc87e3db9637df280b61

    SHA256

    11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

    SHA512

    33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

  • 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

  • \Users\Admin\AppData\Local\Temp\jna-63116079\jna4089755132042383102.dll

    Filesize

    241KB

    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • memory/428-124-0x0000011506990000-0x00000115069A0000-memory.dmp

    Filesize

    64KB

  • memory/428-142-0x00000115069D0000-0x00000115069E0000-memory.dmp

    Filesize

    64KB

  • memory/428-23-0x0000011506830000-0x0000011506840000-memory.dmp

    Filesize

    64KB

  • memory/428-25-0x0000011506840000-0x0000011506850000-memory.dmp

    Filesize

    64KB

  • memory/428-32-0x0000011506850000-0x0000011506860000-memory.dmp

    Filesize

    64KB

  • memory/428-34-0x0000011506860000-0x0000011506870000-memory.dmp

    Filesize

    64KB

  • memory/428-36-0x0000011506870000-0x0000011506880000-memory.dmp

    Filesize

    64KB

  • memory/428-38-0x0000011506580000-0x00000115067F0000-memory.dmp

    Filesize

    2.4MB

  • memory/428-39-0x0000011506880000-0x0000011506890000-memory.dmp

    Filesize

    64KB

  • memory/428-42-0x00000115067F0000-0x0000011506800000-memory.dmp

    Filesize

    64KB

  • memory/428-45-0x0000011506800000-0x0000011506810000-memory.dmp

    Filesize

    64KB

  • memory/428-46-0x00000115068A0000-0x00000115068B0000-memory.dmp

    Filesize

    64KB

  • memory/428-43-0x0000011506890000-0x00000115068A0000-memory.dmp

    Filesize

    64KB

  • memory/428-48-0x0000011506810000-0x0000011506820000-memory.dmp

    Filesize

    64KB

  • memory/428-51-0x00000115068C0000-0x00000115068D0000-memory.dmp

    Filesize

    64KB

  • memory/428-50-0x0000011506820000-0x0000011506830000-memory.dmp

    Filesize

    64KB

  • memory/428-49-0x00000115068B0000-0x00000115068C0000-memory.dmp

    Filesize

    64KB

  • memory/428-52-0x0000011506560000-0x0000011506561000-memory.dmp

    Filesize

    4KB

  • memory/428-56-0x00000115068D0000-0x00000115068E0000-memory.dmp

    Filesize

    64KB

  • memory/428-55-0x0000011506830000-0x0000011506840000-memory.dmp

    Filesize

    64KB

  • memory/428-59-0x0000011506840000-0x0000011506850000-memory.dmp

    Filesize

    64KB

  • memory/428-60-0x00000115068E0000-0x00000115068F0000-memory.dmp

    Filesize

    64KB

  • memory/428-62-0x0000011506560000-0x0000011506561000-memory.dmp

    Filesize

    4KB

  • memory/428-64-0x0000011506850000-0x0000011506860000-memory.dmp

    Filesize

    64KB

  • memory/428-65-0x00000115068F0000-0x0000011506900000-memory.dmp

    Filesize

    64KB

  • memory/428-70-0x0000011506900000-0x0000011506910000-memory.dmp

    Filesize

    64KB

  • memory/428-69-0x0000011506860000-0x0000011506870000-memory.dmp

    Filesize

    64KB

  • memory/428-76-0x0000011506880000-0x0000011506890000-memory.dmp

    Filesize

    64KB

  • memory/428-74-0x0000011506910000-0x0000011506920000-memory.dmp

    Filesize

    64KB

  • memory/428-75-0x0000011506920000-0x0000011506930000-memory.dmp

    Filesize

    64KB

  • memory/428-73-0x0000011506870000-0x0000011506880000-memory.dmp

    Filesize

    64KB

  • memory/428-79-0x0000011506560000-0x0000011506561000-memory.dmp

    Filesize

    4KB

  • memory/428-80-0x0000011506560000-0x0000011506561000-memory.dmp

    Filesize

    4KB

  • memory/428-85-0x0000011506560000-0x0000011506561000-memory.dmp

    Filesize

    4KB

  • memory/428-88-0x0000011506890000-0x00000115068A0000-memory.dmp

    Filesize

    64KB

  • memory/428-89-0x0000011506930000-0x0000011506940000-memory.dmp

    Filesize

    64KB

  • memory/428-98-0x0000011506940000-0x0000011506950000-memory.dmp

    Filesize

    64KB

  • memory/428-97-0x00000115068B0000-0x00000115068C0000-memory.dmp

    Filesize

    64KB

  • memory/428-96-0x00000115068A0000-0x00000115068B0000-memory.dmp

    Filesize

    64KB

  • memory/428-100-0x0000011506950000-0x0000011506960000-memory.dmp

    Filesize

    64KB

  • memory/428-101-0x00000115068C0000-0x00000115068D0000-memory.dmp

    Filesize

    64KB

  • memory/428-138-0x00000115069C0000-0x00000115069D0000-memory.dmp

    Filesize

    64KB

  • memory/428-107-0x0000011506560000-0x0000011506561000-memory.dmp

    Filesize

    4KB

  • memory/428-109-0x0000011506560000-0x0000011506561000-memory.dmp

    Filesize

    4KB

  • memory/428-108-0x0000011506560000-0x0000011506561000-memory.dmp

    Filesize

    4KB

  • memory/428-113-0x0000011506560000-0x0000011506561000-memory.dmp

    Filesize

    4KB

  • memory/428-116-0x0000011506970000-0x0000011506980000-memory.dmp

    Filesize

    64KB

  • memory/428-115-0x00000115068D0000-0x00000115068E0000-memory.dmp

    Filesize

    64KB

  • memory/428-118-0x00000115068E0000-0x00000115068F0000-memory.dmp

    Filesize

    64KB

  • memory/428-119-0x0000011506980000-0x0000011506990000-memory.dmp

    Filesize

    64KB

  • memory/428-121-0x0000011506560000-0x0000011506561000-memory.dmp

    Filesize

    4KB

  • memory/428-126-0x0000011506560000-0x0000011506561000-memory.dmp

    Filesize

    4KB

  • memory/428-125-0x00000115069A0000-0x00000115069B0000-memory.dmp

    Filesize

    64KB

  • memory/428-19-0x0000011506810000-0x0000011506820000-memory.dmp

    Filesize

    64KB

  • memory/428-123-0x00000115068F0000-0x0000011506900000-memory.dmp

    Filesize

    64KB

  • memory/428-129-0x00000115069B0000-0x00000115069C0000-memory.dmp

    Filesize

    64KB

  • memory/428-196-0x00000115068D0000-0x00000115068E0000-memory.dmp

    Filesize

    64KB

  • memory/428-22-0x0000011506820000-0x0000011506830000-memory.dmp

    Filesize

    64KB

  • memory/428-102-0x0000011506960000-0x0000011506970000-memory.dmp

    Filesize

    64KB

  • memory/428-137-0x0000011506910000-0x0000011506920000-memory.dmp

    Filesize

    64KB

  • memory/428-131-0x0000011506560000-0x0000011506561000-memory.dmp

    Filesize

    4KB

  • memory/428-141-0x0000011506920000-0x0000011506930000-memory.dmp

    Filesize

    64KB

  • memory/428-145-0x00000115069E0000-0x00000115069F0000-memory.dmp

    Filesize

    64KB

  • memory/428-144-0x0000011506930000-0x0000011506940000-memory.dmp

    Filesize

    64KB

  • memory/428-150-0x0000011506940000-0x0000011506950000-memory.dmp

    Filesize

    64KB

  • memory/428-151-0x0000011506950000-0x0000011506960000-memory.dmp

    Filesize

    64KB

  • memory/428-152-0x00000115069F0000-0x0000011506A00000-memory.dmp

    Filesize

    64KB

  • memory/428-155-0x0000011506560000-0x0000011506561000-memory.dmp

    Filesize

    4KB

  • memory/428-158-0x0000011506960000-0x0000011506970000-memory.dmp

    Filesize

    64KB

  • memory/428-162-0x0000011506970000-0x0000011506980000-memory.dmp

    Filesize

    64KB

  • memory/428-173-0x0000011506980000-0x0000011506990000-memory.dmp

    Filesize

    64KB

  • memory/428-176-0x0000011506990000-0x00000115069A0000-memory.dmp

    Filesize

    64KB

  • memory/428-178-0x0000011506A00000-0x0000011506A10000-memory.dmp

    Filesize

    64KB

  • memory/428-177-0x00000115069A0000-0x00000115069B0000-memory.dmp

    Filesize

    64KB

  • memory/428-175-0x0000011506560000-0x0000011506561000-memory.dmp

    Filesize

    4KB

  • memory/428-186-0x0000011506820000-0x0000011506830000-memory.dmp

    Filesize

    64KB

  • memory/428-201-0x0000011506870000-0x0000011506880000-memory.dmp

    Filesize

    64KB

  • memory/428-208-0x0000011506970000-0x0000011506980000-memory.dmp

    Filesize

    64KB

  • memory/428-207-0x00000115069F0000-0x0000011506A00000-memory.dmp

    Filesize

    64KB

  • memory/428-206-0x00000115069E0000-0x00000115069F0000-memory.dmp

    Filesize

    64KB

  • memory/428-205-0x00000115069D0000-0x00000115069E0000-memory.dmp

    Filesize

    64KB

  • memory/428-204-0x00000115069C0000-0x00000115069D0000-memory.dmp

    Filesize

    64KB

  • memory/428-200-0x0000011506910000-0x0000011506920000-memory.dmp

    Filesize

    64KB

  • memory/428-199-0x0000011506900000-0x0000011506910000-memory.dmp

    Filesize

    64KB

  • memory/428-198-0x00000115068F0000-0x0000011506900000-memory.dmp

    Filesize

    64KB

  • memory/428-197-0x00000115068E0000-0x00000115068F0000-memory.dmp

    Filesize

    64KB

  • memory/428-128-0x0000011506900000-0x0000011506910000-memory.dmp

    Filesize

    64KB

  • memory/428-194-0x00000115068C0000-0x00000115068D0000-memory.dmp

    Filesize

    64KB

  • memory/428-203-0x00000115069B0000-0x00000115069C0000-memory.dmp

    Filesize

    64KB

  • memory/428-191-0x0000011506880000-0x0000011506890000-memory.dmp

    Filesize

    64KB

  • memory/428-190-0x0000011506860000-0x0000011506870000-memory.dmp

    Filesize

    64KB

  • memory/428-189-0x0000011506850000-0x0000011506860000-memory.dmp

    Filesize

    64KB

  • memory/428-188-0x0000011506840000-0x0000011506850000-memory.dmp

    Filesize

    64KB

  • memory/428-187-0x0000011506830000-0x0000011506840000-memory.dmp

    Filesize

    64KB

  • memory/428-185-0x0000011506810000-0x0000011506820000-memory.dmp

    Filesize

    64KB

  • memory/428-184-0x0000011506800000-0x0000011506810000-memory.dmp

    Filesize

    64KB

  • memory/428-183-0x00000115067F0000-0x0000011506800000-memory.dmp

    Filesize

    64KB

  • memory/428-182-0x0000011506580000-0x00000115067F0000-memory.dmp

    Filesize

    2.4MB

  • memory/428-195-0x00000115068B0000-0x00000115068C0000-memory.dmp

    Filesize

    64KB

  • memory/428-17-0x0000011506800000-0x0000011506810000-memory.dmp

    Filesize

    64KB

  • memory/428-15-0x00000115067F0000-0x0000011506800000-memory.dmp

    Filesize

    64KB

  • memory/428-193-0x00000115068A0000-0x00000115068B0000-memory.dmp

    Filesize

    64KB

  • memory/428-192-0x0000011506890000-0x00000115068A0000-memory.dmp

    Filesize

    64KB

  • memory/428-2-0x0000011506580000-0x00000115067F0000-memory.dmp

    Filesize

    2.4MB

  • memory/428-12-0x0000011506560000-0x0000011506561000-memory.dmp

    Filesize

    4KB

  • memory/428-13-0x0000011506560000-0x0000011506561000-memory.dmp

    Filesize

    4KB

  • memory/484-226-0x0000019668340000-0x0000019668350000-memory.dmp

    Filesize

    64KB

  • memory/484-230-0x0000019668360000-0x0000019668370000-memory.dmp

    Filesize

    64KB

  • memory/484-229-0x0000019668350000-0x0000019668360000-memory.dmp

    Filesize

    64KB

  • memory/484-242-0x0000019668370000-0x0000019668380000-memory.dmp

    Filesize

    64KB

  • memory/484-223-0x0000019668330000-0x0000019668340000-memory.dmp

    Filesize

    64KB

  • memory/484-221-0x0000019666850000-0x0000019666851000-memory.dmp

    Filesize

    4KB

  • memory/484-202-0x00000196680C0000-0x0000019668330000-memory.dmp

    Filesize

    2.4MB

  • memory/3604-266-0x000002067B5D0000-0x000002067B5D1000-memory.dmp

    Filesize

    4KB

  • memory/3604-269-0x000002067B5D0000-0x000002067B5D1000-memory.dmp

    Filesize

    4KB