Analysis

  • max time kernel
    140s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    25/08/2024, 11:46

General

  • Target
    2024-08-25_180975eb63700fdae191d714bf3970b8_cobalt-strike_cobaltstrike_poet-rat.exe
  • Size 5.2MB
  • Sample240825-nxsl2avalj
  • SHA256 b887dfb4d00ea232b7cfdd3c43bbfa584cdaca2994b7973085d3542c9d2926bb
  • 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.

  • XMRig Miner payload 40 IoCs
  • Executes dropped EXE 21 IoCs
  • Loads dropped DLL 21 IoCs
  • UPX packed file 60 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 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-08-25_180975eb63700fdae191d714bf3970b8_cobalt-strike_cobaltstrike_poet-rat.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-25_180975eb63700fdae191d714bf3970b8_cobalt-strike_cobaltstrike_poet-rat.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Windows\System\HqrePMa.exe
      C:\Windows\System\HqrePMa.exe
      2⤵
      • Executes dropped EXE
      PID:2452
    • C:\Windows\System\vRxpjmD.exe
      C:\Windows\System\vRxpjmD.exe
      2⤵
      • Executes dropped EXE
      PID:2920
    • C:\Windows\System\NXtETce.exe
      C:\Windows\System\NXtETce.exe
      2⤵
      • Executes dropped EXE
      PID:1808
    • C:\Windows\System\rhNrLeW.exe
      C:\Windows\System\rhNrLeW.exe
      2⤵
      • Executes dropped EXE
      PID:2236
    • C:\Windows\System\nqyHgUi.exe
      C:\Windows\System\nqyHgUi.exe
      2⤵
      • Executes dropped EXE
      PID:1816
    • C:\Windows\System\AWDYyjC.exe
      C:\Windows\System\AWDYyjC.exe
      2⤵
      • Executes dropped EXE
      PID:2948
    • C:\Windows\System\GqXuXhZ.exe
      C:\Windows\System\GqXuXhZ.exe
      2⤵
      • Executes dropped EXE
      PID:444
    • C:\Windows\System\QVBaQWR.exe
      C:\Windows\System\QVBaQWR.exe
      2⤵
      • Executes dropped EXE
      PID:3000
    • C:\Windows\System\BxmgyeX.exe
      C:\Windows\System\BxmgyeX.exe
      2⤵
      • Executes dropped EXE
      PID:2596
    • C:\Windows\System\cuvHnrd.exe
      C:\Windows\System\cuvHnrd.exe
      2⤵
      • Executes dropped EXE
      PID:3032
    • C:\Windows\System\KhAtDbd.exe
      C:\Windows\System\KhAtDbd.exe
      2⤵
      • Executes dropped EXE
      PID:2308
    • C:\Windows\System\ZUEwSpt.exe
      C:\Windows\System\ZUEwSpt.exe
      2⤵
      • Executes dropped EXE
      PID:2728
    • C:\Windows\System\HUhhXff.exe
      C:\Windows\System\HUhhXff.exe
      2⤵
      • Executes dropped EXE
      PID:2656
    • C:\Windows\System\SjuYTuO.exe
      C:\Windows\System\SjuYTuO.exe
      2⤵
      • Executes dropped EXE
      PID:2760
    • C:\Windows\System\RYmnUqR.exe
      C:\Windows\System\RYmnUqR.exe
      2⤵
      • Executes dropped EXE
      PID:3048
    • C:\Windows\System\mDCcFfB.exe
      C:\Windows\System\mDCcFfB.exe
      2⤵
      • Executes dropped EXE
      PID:2376
    • C:\Windows\System\PyUHdMJ.exe
      C:\Windows\System\PyUHdMJ.exe
      2⤵
      • Executes dropped EXE
      PID:2860
    • C:\Windows\System\hpBxAQL.exe
      C:\Windows\System\hpBxAQL.exe
      2⤵
      • Executes dropped EXE
      PID:2640
    • C:\Windows\System\ulwzBMl.exe
      C:\Windows\System\ulwzBMl.exe
      2⤵
      • Executes dropped EXE
      PID:2560
    • C:\Windows\System\kctBFIa.exe
      C:\Windows\System\kctBFIa.exe
      2⤵
      • Executes dropped EXE
      PID:2516
    • C:\Windows\System\bLUouQE.exe
      C:\Windows\System\bLUouQE.exe
      2⤵
      • Executes dropped EXE
      PID:2576

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AWDYyjC.exe

        • Path C:\Windows\system\AWDYyjC.exe
        • Size 5.2MB
        • SHA256 7beb1f8920c53bfd906b867402b77e3ae9fd0f2d21a14ffcf85ac5c3f99128e8
        • MD5 SHA1 SHA512 SSDEEP

        BxmgyeX.exe

        • Path C:\Windows\system\BxmgyeX.exe
        • Size 5.2MB
        • SHA256 0d3edd1f15922cb15b59a981fb120b5d4cfdc10b3fb5dcd14e0a7f0fb3f94bef
        • MD5 SHA1 SHA512 SSDEEP

        GqXuXhZ.exe

        • Path C:\Windows\system\GqXuXhZ.exe
        • Size 5.2MB
        • SHA256 f32f7ffc22889985f33ea00b3c76454cad64a989890ae84c6e092f88460b9d4c
        • MD5 SHA1 SHA512 SSDEEP

        HUhhXff.exe

        • Path C:\Windows\system\HUhhXff.exe
        • Size 5.2MB
        • SHA256 1ba46789dd72055f7478350e1ca0b82da6539a08fb9303ecb26add14341739f4
        • MD5 SHA1 SHA512 SSDEEP

        KhAtDbd.exe

        • Path C:\Windows\system\KhAtDbd.exe
        • Size 5.2MB
        • SHA256 d4c31399b12c467ef6f8b8aefe824f02690abe17999f95eb74c4b4d823809d63
        • MD5 SHA1 SHA512 SSDEEP

        NXtETce.exe

        • Path C:\Windows\system\NXtETce.exe
        • Size 5.2MB
        • SHA256 3fa93bf75bec41bd48f50bfe5c73776039453d23bdd29c42057b884f6797d508
        • MD5 SHA1 SHA512 SSDEEP

        PyUHdMJ.exe

        • Path C:\Windows\system\PyUHdMJ.exe
        • Size 5.2MB
        • SHA256 f39d05d1d3bbead1b7a9b99df2594e0fbe33213c34d38b2c51cc19c62077c2c9
        • MD5 SHA1 SHA512 SSDEEP

        QVBaQWR.exe

        • Path C:\Windows\system\QVBaQWR.exe
        • Size 5.2MB
        • SHA256 67255e02724642a5741681cdeed3c78f8aa4cc3769851825bd595fd0b1b6fce4
        • MD5 SHA1 SHA512 SSDEEP

        RYmnUqR.exe

        • Path C:\Windows\system\RYmnUqR.exe
        • Size 5.2MB
        • SHA256 3854867bab972278880a28cd301bfc62f4b0192c77fe6f94bd61a7b4d165a5c7
        • MD5 SHA1 SHA512 SSDEEP

        SjuYTuO.exe

        • Path C:\Windows\system\SjuYTuO.exe
        • Size 5.2MB
        • SHA256 44a351afed950d865e00e601137d988ffd9157f149692ccd219495bb85a45cd7
        • MD5 SHA1 SHA512 SSDEEP

        ZUEwSpt.exe

        • Path C:\Windows\system\ZUEwSpt.exe
        • Size 5.2MB
        • SHA256 5c0f3e2213066d31ffeb3021e6c712e27812f52c4e0c363d4f5472c7ed9dd2b7
        • MD5 SHA1 SHA512 SSDEEP

        bLUouQE.exe

        • Path C:\Windows\system\bLUouQE.exe
        • Size 5.2MB
        • SHA256 8401fa3ac3d12cd6b7299b278aade8c1145d2525d23856ad091aa213013e2a31
        • MD5 SHA1 SHA512 SSDEEP

        cuvHnrd.exe

        • Path C:\Windows\system\cuvHnrd.exe
        • Size 5.2MB
        • SHA256 3572668d66ec7911846f8d74cb40bfe11047d2d9dea70895b51ca1b7e5cf069d
        • MD5 SHA1 SHA512 SSDEEP

        hpBxAQL.exe

        • Path C:\Windows\system\hpBxAQL.exe
        • Size 5.2MB
        • SHA256 0760ce15976585b35a410d1ee1cfab85d37e142bc8d86bce7990887549021fe5
        • MD5 SHA1 SHA512 SSDEEP

        kctBFIa.exe

        • Path C:\Windows\system\kctBFIa.exe
        • Size 5.2MB
        • SHA256 3ba162220fbe47faed2dc668d9eedc6cc186c7ffc8d114bf5adcf08ac6478b18
        • MD5 SHA1 SHA512 SSDEEP

        mDCcFfB.exe

        • Path C:\Windows\system\mDCcFfB.exe
        • Size 5.2MB
        • SHA256 b904c5c68f9b850448cfeacde6a616ddd8b3fcd0881a95031b460507ee628ff2
        • MD5 SHA1 SHA512 SSDEEP

        nqyHgUi.exe

        • Path C:\Windows\system\nqyHgUi.exe
        • Size 5.2MB
        • SHA256 858c5492d88f2d2cc1129870e142173c7c42dcf476daf46005308c0b31ce1961
        • MD5 SHA1 SHA512 SSDEEP

        ulwzBMl.exe

        • Path C:\Windows\system\ulwzBMl.exe
        • Size 5.2MB
        • SHA256 17cb6cfefd33cf5cadfec245ba414834a78294ed90b8e0f81a1c85c0072e5685
        • MD5 SHA1 SHA512 SSDEEP

        vRxpjmD.exe

        • Path C:\Windows\system\vRxpjmD.exe
        • Size 5.2MB
        • SHA256 334e95ebce26d0a4169fdb584c9d3741b6edcb5cd9ed9c55ef1bbf34f05f9b7f
        • MD5 SHA1 SHA512 SSDEEP

        HqrePMa.exe

        • Path \Windows\system\HqrePMa.exe
        • Size 5.2MB
        • SHA256 45480908a35f68c5e969677bc211259682a155fdf9ceb231d760a5c6ea09e05f
        • MD5 SHA1 SHA512 SSDEEP

        rhNrLeW.exe

        • Path \Windows\system\rhNrLeW.exe
        • Size 5.2MB
        • SHA256 70bc39f8954f4c60f388aebe7963ffa439e0aac4504bcdbb408537b9966468c8
        • MD5 SHA1 SHA512 SSDEEP

        memory/444-117-0x000000013FB00000-0x000000013FE51000-memory.dmp

        memory/444-238-0x000000013FB00000-0x000000013FE51000-memory.dmp

        memory/848-125-0x000000013FD70000-0x00000001400C1000-memory.dmp

        memory/848-114-0x0000000002360000-0x00000000026B1000-memory.dmp

        memory/848-134-0x000000013F510000-0x000000013F861000-memory.dmp

        memory/848-1-0x00000000000F0000-0x0000000000100000-memory.dmp

        memory/848-0-0x000000013F510000-0x000000013F861000-memory.dmp

        memory/848-122-0x000000013FBA0000-0x000000013FEF1000-memory.dmp

        memory/848-131-0x000000013F890000-0x000000013FBE1000-memory.dmp

        memory/848-120-0x000000013FD70000-0x00000001400C1000-memory.dmp

        memory/848-157-0x000000013F510000-0x000000013F861000-memory.dmp

        memory/848-118-0x000000013FE60000-0x00000001401B1000-memory.dmp

        memory/848-127-0x000000013FDB0000-0x0000000140101000-memory.dmp

        memory/848-116-0x000000013FB00000-0x000000013FE51000-memory.dmp

        memory/848-129-0x000000013FE40000-0x0000000140191000-memory.dmp

        memory/848-101-0x000000013F910000-0x000000013FC61000-memory.dmp

        memory/848-108-0x000000013F990000-0x000000013FCE1000-memory.dmp

        memory/848-112-0x000000013FD80000-0x00000001400D1000-memory.dmp

        memory/848-136-0x000000013F510000-0x000000013F861000-memory.dmp

        memory/848-110-0x000000013FE40000-0x0000000140191000-memory.dmp

        memory/1808-228-0x000000013F990000-0x000000013FCE1000-memory.dmp

        memory/1808-133-0x000000013F990000-0x000000013FCE1000-memory.dmp

        memory/1816-113-0x000000013FD80000-0x00000001400D1000-memory.dmp

        memory/1816-231-0x000000013FD80000-0x00000001400D1000-memory.dmp

        memory/2236-111-0x000000013FE40000-0x0000000140191000-memory.dmp

        memory/2236-232-0x000000013FE40000-0x0000000140191000-memory.dmp

        memory/2308-250-0x000000013F240000-0x000000013F591000-memory.dmp

        memory/2308-124-0x000000013F240000-0x000000013F591000-memory.dmp

        memory/2376-151-0x000000013F7B0000-0x000000013FB01000-memory.dmp

        memory/2452-132-0x000000013FBA0000-0x000000013FEF1000-memory.dmp

        memory/2452-224-0x000000013FBA0000-0x000000013FEF1000-memory.dmp

        memory/2516-155-0x000000013F0A0000-0x000000013F3F1000-memory.dmp

        memory/2560-154-0x000000013F1D0000-0x000000013F521000-memory.dmp

        memory/2576-156-0x000000013FBD0000-0x000000013FF21000-memory.dmp

        memory/2596-242-0x000000013FD70000-0x00000001400C1000-memory.dmp

        memory/2596-121-0x000000013FD70000-0x00000001400C1000-memory.dmp

        memory/2640-153-0x000000013F9C0000-0x000000013FD11000-memory.dmp

        memory/2656-128-0x000000013FDB0000-0x0000000140101000-memory.dmp

        memory/2656-254-0x000000013FDB0000-0x0000000140101000-memory.dmp

        memory/2728-257-0x000000013FD70000-0x00000001400C1000-memory.dmp

        memory/2728-126-0x000000013FD70000-0x00000001400C1000-memory.dmp

        memory/2760-130-0x000000013FE40000-0x0000000140191000-memory.dmp

        memory/2760-245-0x000000013FE40000-0x0000000140191000-memory.dmp

        memory/2860-152-0x000000013FCF0000-0x0000000140041000-memory.dmp

        memory/2920-227-0x000000013F910000-0x000000013FC61000-memory.dmp

        memory/2920-109-0x000000013F910000-0x000000013FC61000-memory.dmp

        memory/2948-234-0x000000013F650000-0x000000013F9A1000-memory.dmp

        memory/2948-115-0x000000013F650000-0x000000013F9A1000-memory.dmp

        memory/3000-119-0x000000013FE60000-0x00000001401B1000-memory.dmp

        memory/3000-237-0x000000013FE60000-0x00000001401B1000-memory.dmp

        memory/3032-123-0x000000013FBA0000-0x000000013FEF1000-memory.dmp

        memory/3032-241-0x000000013FBA0000-0x000000013FEF1000-memory.dmp

        memory/3048-150-0x000000013F890000-0x000000013FBE1000-memory.dmp