Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2024, 15:37

General

  • Target
    2024-05-31_3923c06684741e1e7b8fe76ce917af2a_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240531-s2qqfsdd75
  • SHA256 56337f49aef519e0a121bc2a06d2fd503d175202763909ab6ca1a8485923fa8d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • cobaltstrike

Botnet
  • 0

C2
  • http://ns7.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

  • http://ns8.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

  • http://ns9.softline.top:443/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

Attributes
  • access_type

    512

  • beacon_type

    256

  • create_remote_thread

    768

  • crypto_scheme

    256

  • host

    ns7.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books,ns8.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books,ns9.softline.top,/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books

  • http_header1

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAUSG9zdDogd3d3LmFtYXpvbi5jb20AAAAHAAAAAAAAAAMAAAACAAAADnNlc3Npb24tdG9rZW49AAAAAgAAAAxza2luPW5vc2tpbjsAAAABAAAALGNzbS1oaXQ9cy0yNEtVMTFCQjgyUlpTWUdKM0JES3wxNDE5ODk5MDEyOTk2AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAWQ29udGVudC1UeXBlOiB0ZXh0L3htbAAAAAoAAAAgWC1SZXF1ZXN0ZWQtV2l0aDogWE1MSHR0cFJlcXVlc3QAAAAKAAAAFEhvc3Q6IHd3dy5hbWF6b24uY29tAAAACQAAAApzej0xNjB4NjAwAAAACQAAABFvZT1vZT1JU08tODg1OS0xOwAAAAcAAAAAAAAABQAAAAJzbgAAAAkAAAAGcz0zNzE3AAAACQAAACJkY19yZWY9aHR0cCUzQSUyRiUyRnd3dy5hbWF6b24uY29tAAAABwAAAAEAAAADAAAABAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • maxdns

    255

  • pipe_name

    \\%s\pipe\msagent_%x

  • polling_time

    5000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDI579oVVII0cYncGonU6vTWyFhqmq8w5QwvI8qsoWeV68Ngy+MjNPX2crcSVVWKQ3j09FII28KTmoE1XFVjEXF3WytRSlDe1OKfOAHX3XYkS9LcUAy0eRl2h4a73hrg1ir/rpisNT6hHtYaK3tmH8DgW/n1XfTfbWk1MZ7cXQHWQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /N4215/adj/amzn.us.sr.aps

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko

  • watermark

    0

Signatures

  • Cobalt Strike reflective loader 21 IoCs

    Detects the reflective loader used by Cobalt Strike.

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Detects Reflective DLL injection artifacts 21 IoCs
  • UPX dump on OEP (original entry point) 64 IoCs
  • XMRig Miner payload 64 IoCs
  • Executes dropped EXE 21 IoCs
  • UPX packed file 64 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-31_3923c06684741e1e7b8fe76ce917af2a_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-31_3923c06684741e1e7b8fe76ce917af2a_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3380
    • C:\Windows\System\lgxriOZ.exe
      C:\Windows\System\lgxriOZ.exe
      2⤵
      • Executes dropped EXE
      PID:1080
    • C:\Windows\System\jQgnmew.exe
      C:\Windows\System\jQgnmew.exe
      2⤵
      • Executes dropped EXE
      PID:1224
    • C:\Windows\System\BooaBbs.exe
      C:\Windows\System\BooaBbs.exe
      2⤵
      • Executes dropped EXE
      PID:2132
    • C:\Windows\System\AhejmSr.exe
      C:\Windows\System\AhejmSr.exe
      2⤵
      • Executes dropped EXE
      PID:2088
    • C:\Windows\System\dnLpWhd.exe
      C:\Windows\System\dnLpWhd.exe
      2⤵
      • Executes dropped EXE
      PID:2792
    • C:\Windows\System\bVyiVAB.exe
      C:\Windows\System\bVyiVAB.exe
      2⤵
      • Executes dropped EXE
      PID:4652
    • C:\Windows\System\ghOEbNl.exe
      C:\Windows\System\ghOEbNl.exe
      2⤵
      • Executes dropped EXE
      PID:1680
    • C:\Windows\System\OQDnvRU.exe
      C:\Windows\System\OQDnvRU.exe
      2⤵
      • Executes dropped EXE
      PID:3020
    • C:\Windows\System\RxbKxxc.exe
      C:\Windows\System\RxbKxxc.exe
      2⤵
      • Executes dropped EXE
      PID:4832
    • C:\Windows\System\cNxzwsl.exe
      C:\Windows\System\cNxzwsl.exe
      2⤵
      • Executes dropped EXE
      PID:696
    • C:\Windows\System\RSBbGAj.exe
      C:\Windows\System\RSBbGAj.exe
      2⤵
      • Executes dropped EXE
      PID:3924
    • C:\Windows\System\XzsWkzu.exe
      C:\Windows\System\XzsWkzu.exe
      2⤵
      • Executes dropped EXE
      PID:3668
    • C:\Windows\System\xVWujMu.exe
      C:\Windows\System\xVWujMu.exe
      2⤵
      • Executes dropped EXE
      PID:4464
    • C:\Windows\System\yeYtesh.exe
      C:\Windows\System\yeYtesh.exe
      2⤵
      • Executes dropped EXE
      PID:4852
    • C:\Windows\System\CChJSRz.exe
      C:\Windows\System\CChJSRz.exe
      2⤵
      • Executes dropped EXE
      PID:4648
    • C:\Windows\System\olAsaUT.exe
      C:\Windows\System\olAsaUT.exe
      2⤵
      • Executes dropped EXE
      PID:3880
    • C:\Windows\System\reGweQq.exe
      C:\Windows\System\reGweQq.exe
      2⤵
      • Executes dropped EXE
      PID:1648
    • C:\Windows\System\DqANLqT.exe
      C:\Windows\System\DqANLqT.exe
      2⤵
      • Executes dropped EXE
      PID:3604
    • C:\Windows\System\rvFOcLY.exe
      C:\Windows\System\rvFOcLY.exe
      2⤵
      • Executes dropped EXE
      PID:4872
    • C:\Windows\System\owNOgxU.exe
      C:\Windows\System\owNOgxU.exe
      2⤵
      • Executes dropped EXE
      PID:3928
    • C:\Windows\System\DPltpoX.exe
      C:\Windows\System\DPltpoX.exe
      2⤵
      • Executes dropped EXE
      PID:436

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AhejmSr.exe

        • Path C:\Windows\System\AhejmSr.exe
        • Size 5.9MB
        • SHA256 1546aac282788057fea4a620cf6fd468b5878bfc64cb7d0f326b487c4c2fc5d2
        • MD5 SHA1 SHA512 SSDEEP

        BooaBbs.exe

        • Path C:\Windows\System\BooaBbs.exe
        • Size 5.9MB
        • SHA256 f2c5988e00bd8b4711a2147ade195f7171fe68134bcef53503c747ba882b88cb
        • MD5 SHA1 SHA512 SSDEEP

        CChJSRz.exe

        • Path C:\Windows\System\CChJSRz.exe
        • Size 5.9MB
        • SHA256 fb5fa14264d0b5cedd63a9f4d3745abe0e365dd7fd8a52c767bd3751a4e6c4e1
        • MD5 SHA1 SHA512 SSDEEP

        DPltpoX.exe

        • Path C:\Windows\System\DPltpoX.exe
        • Size 5.9MB
        • SHA256 f639b18f9ba3fe2655daeecf23d3e0b3e04606006bdb9bbd538402124dbed5c6
        • MD5 SHA1 SHA512 SSDEEP

        DqANLqT.exe

        • Path C:\Windows\System\DqANLqT.exe
        • Size 5.9MB
        • SHA256 dfef3e243f90242a9b9c65fcb10a54d87fb38b71ce8905c5745bb2833d0f19ff
        • MD5 SHA1 SHA512 SSDEEP

        OQDnvRU.exe

        • Path C:\Windows\System\OQDnvRU.exe
        • Size 5.9MB
        • SHA256 0a28167f8fa58fa4bbc6aa96564403289aed8359562402100013c0e1a10afc13
        • MD5 SHA1 SHA512 SSDEEP

        RSBbGAj.exe

        • Path C:\Windows\System\RSBbGAj.exe
        • Size 5.9MB
        • SHA256 086cbe2eddaf49451c81acdd6bb27f384401a7c2d7fb3cbc5c2756760996ee09
        • MD5 SHA1 SHA512 SSDEEP

        RxbKxxc.exe

        • Path C:\Windows\System\RxbKxxc.exe
        • Size 5.9MB
        • SHA256 c2ec5a5feb73e3d875b9904a09f5bd1f3ff07da99c378090c769a8dbaba67fef
        • MD5 SHA1 SHA512 SSDEEP

        XzsWkzu.exe

        • Path C:\Windows\System\XzsWkzu.exe
        • Size 5.9MB
        • SHA256 b9fbc68c1260a52e601c2c5288c824fb507719c75740c35e8280665d05153114
        • MD5 SHA1 SHA512 SSDEEP

        bVyiVAB.exe

        • Path C:\Windows\System\bVyiVAB.exe
        • Size 5.9MB
        • SHA256 f08c349b18a4f78fc333b748ee79385f23de488fcadcd576435b106d47afd9a2
        • MD5 SHA1 SHA512 SSDEEP

        cNxzwsl.exe

        • Path C:\Windows\System\cNxzwsl.exe
        • Size 5.9MB
        • SHA256 920ea02e359f21dd59ddc8b732abe0893e649d27b2b95f6ecc7c0fe6442c32c8
        • MD5 SHA1 SHA512 SSDEEP

        dnLpWhd.exe

        • Path C:\Windows\System\dnLpWhd.exe
        • Size 5.9MB
        • SHA256 f6637fce799284dc4ea21c2efc1b35699995bfe860e6270550441be001c348b7
        • MD5 SHA1 SHA512 SSDEEP

        ghOEbNl.exe

        • Path C:\Windows\System\ghOEbNl.exe
        • Size 5.9MB
        • SHA256 6b839874c8d2beae26988b1ffb2a214024943364f20b39cc225cdd6f735b81b5
        • MD5 SHA1 SHA512 SSDEEP

        jQgnmew.exe

        • Path C:\Windows\System\jQgnmew.exe
        • Size 5.9MB
        • SHA256 801d4ec0d9c5d4b55ad82914e5bed9877efd5ca2140bb5154902cdc7e25d1bf5
        • MD5 SHA1 SHA512 SSDEEP

        lgxriOZ.exe

        • Path C:\Windows\System\lgxriOZ.exe
        • Size 5.9MB
        • SHA256 1939c1bee474d972ba5ad05fec91edd395bf782acfdc6367a6f03eb6444edd38
        • MD5 SHA1 SHA512 SSDEEP

        olAsaUT.exe

        • Path C:\Windows\System\olAsaUT.exe
        • Size 5.9MB
        • SHA256 c7f421d67786555facd61c6fea567350766e0a06eb3a590ea4ba341482566f84
        • MD5 SHA1 SHA512 SSDEEP

        owNOgxU.exe

        • Path C:\Windows\System\owNOgxU.exe
        • Size 5.9MB
        • SHA256 a4a06eb66bf0fc1ae718efa8c0150f83bd5cf39ee1876417d15dc2084e7294cc
        • MD5 SHA1 SHA512 SSDEEP

        reGweQq.exe

        • Path C:\Windows\System\reGweQq.exe
        • Size 5.9MB
        • SHA256 19a3d839e16c9aa243c99db9d501322165894c4261fdbcfd7ab60440ad82460f
        • MD5 SHA1 SHA512 SSDEEP

        rvFOcLY.exe

        • Path C:\Windows\System\rvFOcLY.exe
        • Size 5.9MB
        • SHA256 93d85b7871673820b7dc054ab09623dec295ecc355fdf00240a02e503edba48b
        • MD5 SHA1 SHA512 SSDEEP

        xVWujMu.exe

        • Path C:\Windows\System\xVWujMu.exe
        • Size 5.9MB
        • SHA256 9217c115a7b00cbec932d8de857225401422418a46528aa6043dc5cecfd81d22
        • MD5 SHA1 SHA512 SSDEEP

        yeYtesh.exe

        • Path C:\Windows\System\yeYtesh.exe
        • Size 5.9MB
        • SHA256 a272f30809b5178cd9efecc88cf8eadf5a83faa4ad1990fdefe800fba995c00e
        • MD5 SHA1 SHA512 SSDEEP

        memory/436-133-0x00007FF767060000-0x00007FF7673B4000-memory.dmp

        memory/436-159-0x00007FF767060000-0x00007FF7673B4000-memory.dmp

        memory/696-64-0x00007FF702CA0000-0x00007FF702FF4000-memory.dmp

        memory/696-134-0x00007FF702CA0000-0x00007FF702FF4000-memory.dmp

        memory/696-150-0x00007FF702CA0000-0x00007FF702FF4000-memory.dmp

        memory/1080-6-0x00007FF7349B0000-0x00007FF734D04000-memory.dmp

        memory/1080-81-0x00007FF7349B0000-0x00007FF734D04000-memory.dmp

        memory/1080-141-0x00007FF7349B0000-0x00007FF734D04000-memory.dmp

        memory/1224-142-0x00007FF7F7570000-0x00007FF7F78C4000-memory.dmp

        memory/1224-15-0x00007FF7F7570000-0x00007FF7F78C4000-memory.dmp

        memory/1224-82-0x00007FF7F7570000-0x00007FF7F78C4000-memory.dmp

        memory/1648-157-0x00007FF7CC8E0000-0x00007FF7CCC34000-memory.dmp

        memory/1648-139-0x00007FF7CC8E0000-0x00007FF7CCC34000-memory.dmp

        memory/1648-111-0x00007FF7CC8E0000-0x00007FF7CCC34000-memory.dmp

        memory/1680-123-0x00007FF713DD0000-0x00007FF714124000-memory.dmp

        memory/1680-147-0x00007FF713DD0000-0x00007FF714124000-memory.dmp

        memory/1680-43-0x00007FF713DD0000-0x00007FF714124000-memory.dmp

        memory/2088-144-0x00007FF764CF0000-0x00007FF765044000-memory.dmp

        memory/2088-98-0x00007FF764CF0000-0x00007FF765044000-memory.dmp

        memory/2088-34-0x00007FF764CF0000-0x00007FF765044000-memory.dmp

        memory/2132-24-0x00007FF6D0B10000-0x00007FF6D0E64000-memory.dmp

        memory/2132-86-0x00007FF6D0B10000-0x00007FF6D0E64000-memory.dmp

        memory/2132-143-0x00007FF6D0B10000-0x00007FF6D0E64000-memory.dmp

        memory/2792-145-0x00007FF6EDB10000-0x00007FF6EDE64000-memory.dmp

        memory/2792-40-0x00007FF6EDB10000-0x00007FF6EDE64000-memory.dmp

        memory/3020-52-0x00007FF7FBDB0000-0x00007FF7FC104000-memory.dmp

        memory/3020-148-0x00007FF7FBDB0000-0x00007FF7FC104000-memory.dmp

        memory/3380-1-0x0000020520FD0000-0x0000020520FE0000-memory.dmp

        memory/3380-75-0x00007FF6BE000000-0x00007FF6BE354000-memory.dmp

        memory/3380-0-0x00007FF6BE000000-0x00007FF6BE354000-memory.dmp

        memory/3604-124-0x00007FF713C20000-0x00007FF713F74000-memory.dmp

        memory/3604-158-0x00007FF713C20000-0x00007FF713F74000-memory.dmp

        memory/3668-80-0x00007FF7600D0000-0x00007FF760424000-memory.dmp

        memory/3668-152-0x00007FF7600D0000-0x00007FF760424000-memory.dmp

        memory/3880-156-0x00007FF695B00000-0x00007FF695E54000-memory.dmp

        memory/3880-138-0x00007FF695B00000-0x00007FF695E54000-memory.dmp

        memory/3880-110-0x00007FF695B00000-0x00007FF695E54000-memory.dmp

        memory/3924-151-0x00007FF608010000-0x00007FF608364000-memory.dmp

        memory/3924-135-0x00007FF608010000-0x00007FF608364000-memory.dmp

        memory/3924-66-0x00007FF608010000-0x00007FF608364000-memory.dmp

        memory/3928-140-0x00007FF73F0F0000-0x00007FF73F444000-memory.dmp

        memory/3928-160-0x00007FF73F0F0000-0x00007FF73F444000-memory.dmp

        memory/3928-125-0x00007FF73F0F0000-0x00007FF73F444000-memory.dmp

        memory/4464-84-0x00007FF661AB0000-0x00007FF661E04000-memory.dmp

        memory/4464-154-0x00007FF661AB0000-0x00007FF661E04000-memory.dmp

        memory/4464-136-0x00007FF661AB0000-0x00007FF661E04000-memory.dmp

        memory/4648-105-0x00007FF663FA0000-0x00007FF6642F4000-memory.dmp

        memory/4648-155-0x00007FF663FA0000-0x00007FF6642F4000-memory.dmp

        memory/4652-39-0x00007FF6C0710000-0x00007FF6C0A64000-memory.dmp

        memory/4652-146-0x00007FF6C0710000-0x00007FF6C0A64000-memory.dmp

        memory/4832-149-0x00007FF6F3750000-0x00007FF6F3AA4000-memory.dmp

        memory/4832-60-0x00007FF6F3750000-0x00007FF6F3AA4000-memory.dmp

        memory/4852-137-0x00007FF6030D0000-0x00007FF603424000-memory.dmp

        memory/4852-153-0x00007FF6030D0000-0x00007FF603424000-memory.dmp

        memory/4852-85-0x00007FF6030D0000-0x00007FF603424000-memory.dmp

        memory/4872-132-0x00007FF733FB0000-0x00007FF734304000-memory.dmp

        memory/4872-161-0x00007FF733FB0000-0x00007FF734304000-memory.dmp