Analysis

  • max time kernel
    135s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-08-2024 08:21

General

  • Target

    c4a38d07773d619f73abad13ed74286f_JaffaCakes118.jar

  • Size

    103KB

  • MD5

    c4a38d07773d619f73abad13ed74286f

  • SHA1

    5199ab6257db0d690b7a08566bf8f032c74a22a8

  • SHA256

    2799f78dd51fce411e566d428cd2f26bb752370f1be1fb2f4ffbc23ae1fd6504

  • SHA512

    b6377eb8c2cacca9912374b4eda3edf3c368d3154c946d4536bc2e94679a4587e601cb3c08a8711106fc9b9c51572a6fba9c68615353fa2869e18de38065f4d5

  • SSDEEP

    3072:W1ugSIpJlEYiuzgd5wfe8/qoYwLJdRjatMFrzq:d2JlEYiZwW8/qqNdRjaitzq

Malware Config

Extracted

Family

strrat

C2

194.5.98.239:5059

194.5.97.159:5058

Attributes
  • license_id

    PVW8-WK5J-OZYB-RCGX-ZPVO

  • 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 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 1 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\c4a38d07773d619f73abad13ed74286f_JaffaCakes118.jar
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1368
    • C:\Program Files\Java\jre-1.8\bin\java.exe
      "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Program Files\Java\jre-1.8\c4a38d07773d619f73abad13ed74286f_JaffaCakes118.jar"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2296
      • C:\Program Files\Java\jre-1.8\bin\java.exe
        "C:\Program Files\Java\jre-1.8\bin\java.exe" -jar "C:\Users\Admin\c4a38d07773d619f73abad13ed74286f_JaffaCakes118.jar"
        3⤵
        • Drops startup file
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:3384
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\c4a38d07773d619f73abad13ed74286f_JaffaCakes118.jar"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2708
          • C:\Windows\system32\schtasks.exe
            schtasks /create /sc minute /mo 30 /tn Skype /tr "C:\Users\Admin\AppData\Roaming\c4a38d07773d619f73abad13ed74286f_JaffaCakes118.jar"
            5⤵
            • Scheduled Task/Job: Scheduled Task
            PID:1976
        • 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\c4a38d07773d619f73abad13ed74286f_JaffaCakes118.jar"
          4⤵
          • Loads dropped DLL
          PID:2944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Java\jre-1.8\c4a38d07773d619f73abad13ed74286f_JaffaCakes118.jar

    Filesize

    103KB

    MD5

    c4a38d07773d619f73abad13ed74286f

    SHA1

    5199ab6257db0d690b7a08566bf8f032c74a22a8

    SHA256

    2799f78dd51fce411e566d428cd2f26bb752370f1be1fb2f4ffbc23ae1fd6504

    SHA512

    b6377eb8c2cacca9912374b4eda3edf3c368d3154c946d4536bc2e94679a4587e601cb3c08a8711106fc9b9c51572a6fba9c68615353fa2869e18de38065f4d5

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

    Filesize

    46B

    MD5

    05d0a925f4b0b46eb7f019a56a32b0a2

    SHA1

    6592ebe4dfb117cc9e17d150a06ae5b2df109a82

    SHA256

    7477100259c1f957d99363459611cc0c0ea18d4a4233bbd0f85e1611f8b76a32

    SHA512

    e4eeac9d9eb1319b3bec0ad357f9d406421a6d40faca99f593a661f6fc27eee34f73901fbfa02e0a4caaaa885038fc9a77e4bd971d896e5a3207fe3820da13a9

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

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

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

    Filesize

    46B

    MD5

    b563748235fce4ae71bac946990934f6

    SHA1

    aaed538dd6b97c08be801e28a40613f0de02e8bb

    SHA256

    e6c498c75a1256e9f90f68eb9d701bcec3adc8db33b244d1a36edbf3e60e179a

    SHA512

    268d94a7021d06ceca043e1272bcc4e49c3c47c55662a4d38f5b50a657dbb0ebb5f1b35d9a34119854fb4385a0b317b45ba1ec4eafb436513591ce1b54bf7642

  • C:\Users\Admin\AppData\Local\Temp\jna-63116079\jna8599827584261513002.dll

    Filesize

    241KB

    MD5

    e02979ecd43bcc9061eb2b494ab5af50

    SHA1

    3122ac0e751660f646c73b10c4f79685aa65c545

    SHA256

    a66959bec2ef5af730198db9f3b3f7cab0d4ae70ce01bec02bf1d738e6d1ee7a

    SHA512

    1e6f7dcb6a557c9b896412a48dd017c16f7a52fa2b9ab513593c9ecd118e86083979821ca7a3e2f098ee349200c823c759cec6599740dd391cb5f354dc29b372

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1194130065-3471212556-1656947724-1000\83aa4cc77f591dfc2374580bbd95f6ba_a53bb4ca-6113-48bb-9609-441860fdd0d7

    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

  • memory/1368-106-0x0000020C5D7F0000-0x0000020C5D800000-memory.dmp

    Filesize

    64KB

  • memory/1368-23-0x0000020C5D730000-0x0000020C5D740000-memory.dmp

    Filesize

    64KB

  • memory/1368-24-0x0000020C5D740000-0x0000020C5D750000-memory.dmp

    Filesize

    64KB

  • memory/1368-114-0x0000020C5D8E0000-0x0000020C5D8F0000-memory.dmp

    Filesize

    64KB

  • memory/1368-28-0x0000020C5D760000-0x0000020C5D770000-memory.dmp

    Filesize

    64KB

  • memory/1368-34-0x0000020C5D770000-0x0000020C5D780000-memory.dmp

    Filesize

    64KB

  • memory/1368-35-0x0000020C5BBF0000-0x0000020C5BBF1000-memory.dmp

    Filesize

    4KB

  • memory/1368-38-0x0000020C5D780000-0x0000020C5D790000-memory.dmp

    Filesize

    64KB

  • memory/1368-40-0x0000020C5D790000-0x0000020C5D7A0000-memory.dmp

    Filesize

    64KB

  • memory/1368-46-0x0000020C5D6F0000-0x0000020C5D700000-memory.dmp

    Filesize

    64KB

  • memory/1368-45-0x0000020C5D7B0000-0x0000020C5D7C0000-memory.dmp

    Filesize

    64KB

  • memory/1368-53-0x0000020C5D7E0000-0x0000020C5D7F0000-memory.dmp

    Filesize

    64KB

  • memory/1368-52-0x0000020C5D7D0000-0x0000020C5D7E0000-memory.dmp

    Filesize

    64KB

  • memory/1368-51-0x0000020C5D7C0000-0x0000020C5D7D0000-memory.dmp

    Filesize

    64KB

  • memory/1368-50-0x0000020C5D700000-0x0000020C5D710000-memory.dmp

    Filesize

    64KB

  • memory/1368-44-0x0000020C5D7A0000-0x0000020C5D7B0000-memory.dmp

    Filesize

    64KB

  • memory/1368-43-0x0000020C5D6E0000-0x0000020C5D6F0000-memory.dmp

    Filesize

    64KB

  • memory/1368-42-0x0000020C5D470000-0x0000020C5D6E0000-memory.dmp

    Filesize

    2.4MB

  • memory/1368-57-0x0000020C5D710000-0x0000020C5D720000-memory.dmp

    Filesize

    64KB

  • memory/1368-60-0x0000020C5D7F0000-0x0000020C5D800000-memory.dmp

    Filesize

    64KB

  • memory/1368-59-0x0000020C5D730000-0x0000020C5D740000-memory.dmp

    Filesize

    64KB

  • memory/1368-58-0x0000020C5D720000-0x0000020C5D730000-memory.dmp

    Filesize

    64KB

  • memory/1368-62-0x0000020C5D740000-0x0000020C5D750000-memory.dmp

    Filesize

    64KB

  • memory/1368-63-0x0000020C5D800000-0x0000020C5D810000-memory.dmp

    Filesize

    64KB

  • memory/1368-69-0x0000020C5D810000-0x0000020C5D820000-memory.dmp

    Filesize

    64KB

  • memory/1368-68-0x0000020C5D750000-0x0000020C5D760000-memory.dmp

    Filesize

    64KB

  • memory/1368-77-0x0000020C5D840000-0x0000020C5D850000-memory.dmp

    Filesize

    64KB

  • memory/1368-76-0x0000020C5D770000-0x0000020C5D780000-memory.dmp

    Filesize

    64KB

  • memory/1368-75-0x0000020C5D830000-0x0000020C5D840000-memory.dmp

    Filesize

    64KB

  • memory/1368-74-0x0000020C5D820000-0x0000020C5D830000-memory.dmp

    Filesize

    64KB

  • memory/1368-72-0x0000020C5D760000-0x0000020C5D770000-memory.dmp

    Filesize

    64KB

  • memory/1368-79-0x0000020C5D780000-0x0000020C5D790000-memory.dmp

    Filesize

    64KB

  • memory/1368-80-0x0000020C5D850000-0x0000020C5D860000-memory.dmp

    Filesize

    64KB

  • memory/1368-87-0x0000020C5D880000-0x0000020C5D890000-memory.dmp

    Filesize

    64KB

  • memory/1368-86-0x0000020C5D870000-0x0000020C5D880000-memory.dmp

    Filesize

    64KB

  • memory/1368-85-0x0000020C5D860000-0x0000020C5D870000-memory.dmp

    Filesize

    64KB

  • memory/1368-84-0x0000020C5D790000-0x0000020C5D7A0000-memory.dmp

    Filesize

    64KB

  • memory/1368-93-0x0000020C5D7A0000-0x0000020C5D7B0000-memory.dmp

    Filesize

    64KB

  • memory/1368-94-0x0000020C5D890000-0x0000020C5D8A0000-memory.dmp

    Filesize

    64KB

  • memory/1368-95-0x0000020C5BBF0000-0x0000020C5BBF1000-memory.dmp

    Filesize

    4KB

  • memory/1368-99-0x0000020C5D8A0000-0x0000020C5D8B0000-memory.dmp

    Filesize

    64KB

  • memory/1368-98-0x0000020C5D7B0000-0x0000020C5D7C0000-memory.dmp

    Filesize

    64KB

  • memory/1368-100-0x0000020C5D7C0000-0x0000020C5D7D0000-memory.dmp

    Filesize

    64KB

  • memory/1368-102-0x0000020C5D7E0000-0x0000020C5D7F0000-memory.dmp

    Filesize

    64KB

  • memory/1368-101-0x0000020C5D7D0000-0x0000020C5D7E0000-memory.dmp

    Filesize

    64KB

  • memory/1368-103-0x0000020C5D8B0000-0x0000020C5D8C0000-memory.dmp

    Filesize

    64KB

  • memory/1368-104-0x0000020C5BBF0000-0x0000020C5BBF1000-memory.dmp

    Filesize

    4KB

  • memory/1368-107-0x0000020C5D8C0000-0x0000020C5D8D0000-memory.dmp

    Filesize

    64KB

  • memory/1368-21-0x0000020C5D710000-0x0000020C5D720000-memory.dmp

    Filesize

    64KB

  • memory/1368-111-0x0000020C5D8D0000-0x0000020C5D8E0000-memory.dmp

    Filesize

    64KB

  • memory/1368-110-0x0000020C5D800000-0x0000020C5D810000-memory.dmp

    Filesize

    64KB

  • memory/1368-113-0x0000020C5D810000-0x0000020C5D820000-memory.dmp

    Filesize

    64KB

  • memory/1368-26-0x0000020C5D750000-0x0000020C5D760000-memory.dmp

    Filesize

    64KB

  • memory/1368-15-0x0000020C5D6F0000-0x0000020C5D700000-memory.dmp

    Filesize

    64KB

  • memory/1368-172-0x0000020C5D7C0000-0x0000020C5D7D0000-memory.dmp

    Filesize

    64KB

  • memory/1368-121-0x0000020C5BBF0000-0x0000020C5BBF1000-memory.dmp

    Filesize

    4KB

  • memory/1368-122-0x0000020C5D820000-0x0000020C5D830000-memory.dmp

    Filesize

    64KB

  • memory/1368-123-0x0000020C5D830000-0x0000020C5D840000-memory.dmp

    Filesize

    64KB

  • memory/1368-124-0x0000020C5D8F0000-0x0000020C5D900000-memory.dmp

    Filesize

    64KB

  • memory/1368-126-0x0000020C5D840000-0x0000020C5D850000-memory.dmp

    Filesize

    64KB

  • memory/1368-127-0x0000020C5D900000-0x0000020C5D910000-memory.dmp

    Filesize

    64KB

  • memory/1368-129-0x0000020C5D850000-0x0000020C5D860000-memory.dmp

    Filesize

    64KB

  • memory/1368-130-0x0000020C5D910000-0x0000020C5D920000-memory.dmp

    Filesize

    64KB

  • memory/1368-136-0x0000020C5D870000-0x0000020C5D880000-memory.dmp

    Filesize

    64KB

  • memory/1368-135-0x0000020C5D860000-0x0000020C5D870000-memory.dmp

    Filesize

    64KB

  • memory/1368-138-0x0000020C5D920000-0x0000020C5D930000-memory.dmp

    Filesize

    64KB

  • memory/1368-137-0x0000020C5D880000-0x0000020C5D890000-memory.dmp

    Filesize

    64KB

  • memory/1368-143-0x0000020C5D890000-0x0000020C5D8A0000-memory.dmp

    Filesize

    64KB

  • memory/1368-144-0x0000020C5D930000-0x0000020C5D940000-memory.dmp

    Filesize

    64KB

  • memory/1368-151-0x0000020C5D8A0000-0x0000020C5D8B0000-memory.dmp

    Filesize

    64KB

  • memory/1368-163-0x0000020C5D750000-0x0000020C5D760000-memory.dmp

    Filesize

    64KB

  • memory/1368-162-0x0000020C5D740000-0x0000020C5D750000-memory.dmp

    Filesize

    64KB

  • memory/1368-161-0x0000020C5D730000-0x0000020C5D740000-memory.dmp

    Filesize

    64KB

  • memory/1368-160-0x0000020C5D720000-0x0000020C5D730000-memory.dmp

    Filesize

    64KB

  • memory/1368-171-0x0000020C5D470000-0x0000020C5D6E0000-memory.dmp

    Filesize

    2.4MB

  • memory/1368-184-0x0000020C5D900000-0x0000020C5D910000-memory.dmp

    Filesize

    64KB

  • memory/1368-183-0x0000020C5D8F0000-0x0000020C5D900000-memory.dmp

    Filesize

    64KB

  • memory/1368-182-0x0000020C5D8E0000-0x0000020C5D8F0000-memory.dmp

    Filesize

    64KB

  • memory/1368-181-0x0000020C5D8D0000-0x0000020C5D8E0000-memory.dmp

    Filesize

    64KB

  • memory/1368-180-0x0000020C5D8C0000-0x0000020C5D8D0000-memory.dmp

    Filesize

    64KB

  • memory/1368-179-0x0000020C5D8B0000-0x0000020C5D8C0000-memory.dmp

    Filesize

    64KB

  • memory/1368-178-0x0000020C5D850000-0x0000020C5D860000-memory.dmp

    Filesize

    64KB

  • memory/1368-177-0x0000020C5D770000-0x0000020C5D780000-memory.dmp

    Filesize

    64KB

  • memory/1368-176-0x0000020C5D810000-0x0000020C5D820000-memory.dmp

    Filesize

    64KB

  • memory/1368-175-0x0000020C5D7F0000-0x0000020C5D800000-memory.dmp

    Filesize

    64KB

  • memory/1368-174-0x0000020C5D7E0000-0x0000020C5D7F0000-memory.dmp

    Filesize

    64KB

  • memory/1368-173-0x0000020C5D7D0000-0x0000020C5D7E0000-memory.dmp

    Filesize

    64KB

  • memory/1368-117-0x0000020C5BBF0000-0x0000020C5BBF1000-memory.dmp

    Filesize

    4KB

  • memory/1368-170-0x0000020C5D7A0000-0x0000020C5D7B0000-memory.dmp

    Filesize

    64KB

  • memory/1368-169-0x0000020C5D790000-0x0000020C5D7A0000-memory.dmp

    Filesize

    64KB

  • memory/1368-168-0x0000020C5D780000-0x0000020C5D790000-memory.dmp

    Filesize

    64KB

  • memory/1368-164-0x0000020C5D760000-0x0000020C5D770000-memory.dmp

    Filesize

    64KB

  • memory/1368-159-0x0000020C5D710000-0x0000020C5D720000-memory.dmp

    Filesize

    64KB

  • memory/1368-158-0x0000020C5D6E0000-0x0000020C5D6F0000-memory.dmp

    Filesize

    64KB

  • memory/1368-157-0x0000020C5D6F0000-0x0000020C5D700000-memory.dmp

    Filesize

    64KB

  • memory/1368-156-0x0000020C5D700000-0x0000020C5D710000-memory.dmp

    Filesize

    64KB

  • memory/1368-22-0x0000020C5D720000-0x0000020C5D730000-memory.dmp

    Filesize

    64KB

  • memory/1368-115-0x0000020C5BBF0000-0x0000020C5BBF1000-memory.dmp

    Filesize

    4KB

  • memory/1368-16-0x0000020C5D700000-0x0000020C5D710000-memory.dmp

    Filesize

    64KB

  • memory/1368-13-0x0000020C5D6E0000-0x0000020C5D6F0000-memory.dmp

    Filesize

    64KB

  • memory/1368-155-0x0000020C5D7B0000-0x0000020C5D7C0000-memory.dmp

    Filesize

    64KB

  • memory/1368-2-0x0000020C5D470000-0x0000020C5D6E0000-memory.dmp

    Filesize

    2.4MB

  • memory/2296-217-0x00000296D2530000-0x00000296D2531000-memory.dmp

    Filesize

    4KB

  • memory/2296-214-0x00000296D2530000-0x00000296D2531000-memory.dmp

    Filesize

    4KB

  • memory/2944-309-0x000001D830F90000-0x000001D830F91000-memory.dmp

    Filesize

    4KB

  • memory/3384-260-0x0000029D54A30000-0x0000029D54A31000-memory.dmp

    Filesize

    4KB

  • memory/3384-276-0x0000029D54A30000-0x0000029D54A31000-memory.dmp

    Filesize

    4KB