Analysis

  • max time kernel
    137s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 08:10

General

  • Target
    2024-06-02_ccf3d8f2f8809a56b49cb6beacee586a_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240602-j23kksff91
  • SHA256 ce28e1acff585be36672b4a1d54263353009003bc796cb01bd61a51877c45036
  • 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\2024-06-02_ccf3d8f2f8809a56b49cb6beacee586a_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-02_ccf3d8f2f8809a56b49cb6beacee586a_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3460
    • C:\Windows\System\imhqCtA.exe
      C:\Windows\System\imhqCtA.exe
      2⤵
      • Executes dropped EXE
      PID:4200
    • C:\Windows\System\ktHPAVN.exe
      C:\Windows\System\ktHPAVN.exe
      2⤵
      • Executes dropped EXE
      PID:624
    • C:\Windows\System\QBLdXad.exe
      C:\Windows\System\QBLdXad.exe
      2⤵
      • Executes dropped EXE
      PID:4624
    • C:\Windows\System\RgRufQh.exe
      C:\Windows\System\RgRufQh.exe
      2⤵
      • Executes dropped EXE
      PID:8
    • C:\Windows\System\aihbjBj.exe
      C:\Windows\System\aihbjBj.exe
      2⤵
      • Executes dropped EXE
      PID:2952
    • C:\Windows\System\OpfxsZs.exe
      C:\Windows\System\OpfxsZs.exe
      2⤵
      • Executes dropped EXE
      PID:3764
    • C:\Windows\System\vcKJTGv.exe
      C:\Windows\System\vcKJTGv.exe
      2⤵
      • Executes dropped EXE
      PID:1332
    • C:\Windows\System\Hbluplz.exe
      C:\Windows\System\Hbluplz.exe
      2⤵
      • Executes dropped EXE
      PID:4604
    • C:\Windows\System\VuxxfeP.exe
      C:\Windows\System\VuxxfeP.exe
      2⤵
      • Executes dropped EXE
      PID:3612
    • C:\Windows\System\nUWIGEC.exe
      C:\Windows\System\nUWIGEC.exe
      2⤵
      • Executes dropped EXE
      PID:5044
    • C:\Windows\System\fLdNebr.exe
      C:\Windows\System\fLdNebr.exe
      2⤵
      • Executes dropped EXE
      PID:1544
    • C:\Windows\System\MMDPjDX.exe
      C:\Windows\System\MMDPjDX.exe
      2⤵
      • Executes dropped EXE
      PID:5088
    • C:\Windows\System\AhZcdBy.exe
      C:\Windows\System\AhZcdBy.exe
      2⤵
      • Executes dropped EXE
      PID:1112
    • C:\Windows\System\qQdPSZw.exe
      C:\Windows\System\qQdPSZw.exe
      2⤵
      • Executes dropped EXE
      PID:388
    • C:\Windows\System\EUDOUCR.exe
      C:\Windows\System\EUDOUCR.exe
      2⤵
      • Executes dropped EXE
      PID:3524
    • C:\Windows\System\NWsUvUS.exe
      C:\Windows\System\NWsUvUS.exe
      2⤵
      • Executes dropped EXE
      PID:4104
    • C:\Windows\System\kvmccSR.exe
      C:\Windows\System\kvmccSR.exe
      2⤵
      • Executes dropped EXE
      PID:4372
    • C:\Windows\System\dREzQxO.exe
      C:\Windows\System\dREzQxO.exe
      2⤵
      • Executes dropped EXE
      PID:540
    • C:\Windows\System\jOeocjW.exe
      C:\Windows\System\jOeocjW.exe
      2⤵
      • Executes dropped EXE
      PID:4092
    • C:\Windows\System\DPbKNcM.exe
      C:\Windows\System\DPbKNcM.exe
      2⤵
      • Executes dropped EXE
      PID:4156
    • C:\Windows\System\tIsWuPq.exe
      C:\Windows\System\tIsWuPq.exe
      2⤵
      • Executes dropped EXE
      PID:2780

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        AhZcdBy.exe

        • Path C:\Windows\System\AhZcdBy.exe
        • Size 5.9MB
        • SHA256 c03d3b8483edfef6f578d5d8593556ff4aeef16c2c8ab71d9217e36e0f1a6a31
        • MD5 SHA1 SHA512 SSDEEP

        DPbKNcM.exe

        • Path C:\Windows\System\DPbKNcM.exe
        • Size 5.9MB
        • SHA256 833c8e0dc7958381f3bafbcd7a45cfc8a4dc6f4f5fc8a97639ebecaf7da0d774
        • MD5 SHA1 SHA512 SSDEEP

        EUDOUCR.exe

        • Path C:\Windows\System\EUDOUCR.exe
        • Size 5.9MB
        • SHA256 302489628a1d039f7f5744c18a3c823ebce9c39cfc88e36b89a87e8f284db89d
        • MD5 SHA1 SHA512 SSDEEP

        Hbluplz.exe

        • Path C:\Windows\System\Hbluplz.exe
        • Size 5.9MB
        • SHA256 5bb46402f096b60a7ac3891416703e66373aea17e0a860c06d2bc3b4d53b9cd5
        • MD5 SHA1 SHA512 SSDEEP

        MMDPjDX.exe

        • Path C:\Windows\System\MMDPjDX.exe
        • Size 5.9MB
        • SHA256 8d6d21dfb3475fc3043db532443aa1b827b2eab5d9598d06ba7bf58abd48a811
        • MD5 SHA1 SHA512 SSDEEP

        NWsUvUS.exe

        • Path C:\Windows\System\NWsUvUS.exe
        • Size 5.9MB
        • SHA256 888d958cd59282edfccd193e675b83d63996b7d8b9507bd3d7fa1e1d0323e2a2
        • MD5 SHA1 SHA512 SSDEEP

        OpfxsZs.exe

        • Path C:\Windows\System\OpfxsZs.exe
        • Size 5.9MB
        • SHA256 edf21cf4b9082c2eb023d564f82d4fd7833e521964eae4e1fc6f76ae381bd70c
        • MD5 SHA1 SHA512 SSDEEP

        QBLdXad.exe

        • Path C:\Windows\System\QBLdXad.exe
        • Size 5.9MB
        • SHA256 c2308ff8caccc5861a01f7197fa7e56c9bb65072b4e7cae13f348d54b1ee9fe4
        • MD5 SHA1 SHA512 SSDEEP

        RgRufQh.exe

        • Path C:\Windows\System\RgRufQh.exe
        • Size 5.9MB
        • SHA256 023f343ae5b6b167dcf67551cf3caaaea511b578afa3bf1eb9e76f7903bb0eb3
        • MD5 SHA1 SHA512 SSDEEP

        VuxxfeP.exe

        • Path C:\Windows\System\VuxxfeP.exe
        • Size 5.9MB
        • SHA256 dca1746c2a4a747d1a5b17de10efeeae5b4231b9e7f4b2b74aeaf30ea5f17006
        • MD5 SHA1 SHA512 SSDEEP

        aihbjBj.exe

        • Path C:\Windows\System\aihbjBj.exe
        • Size 5.9MB
        • SHA256 dd1541dcbebad2ff567fcd1978d337338297792a28192ce3d0e86303d1aa5904
        • MD5 SHA1 SHA512 SSDEEP

        dREzQxO.exe

        • Path C:\Windows\System\dREzQxO.exe
        • Size 5.9MB
        • SHA256 9b9f9855a70b146fc66139b75893f5a7183d46321822c1f6aefff98d964f3c93
        • MD5 SHA1 SHA512 SSDEEP

        fLdNebr.exe

        • Path C:\Windows\System\fLdNebr.exe
        • Size 5.9MB
        • SHA256 2509b906907c7f4a537b45aafc77a70c078c1d005e3321f1d0ad9efd4734389b
        • MD5 SHA1 SHA512 SSDEEP

        imhqCtA.exe

        • Path C:\Windows\System\imhqCtA.exe
        • Size 5.9MB
        • SHA256 bdcd392da04b40e634d697c26bc41c7fd3dfb2b3c0eee80fefd09eb8b57ce120
        • MD5 SHA1 SHA512 SSDEEP

        jOeocjW.exe

        • Path C:\Windows\System\jOeocjW.exe
        • Size 5.9MB
        • SHA256 bf9e1e90f2392243a118b1d4ccd2d8e8bb4aaf07d1ecb466d3b30972102e74fc
        • MD5 SHA1 SHA512 SSDEEP

        ktHPAVN.exe

        • Path C:\Windows\System\ktHPAVN.exe
        • Size 5.9MB
        • SHA256 0d79115a2a8efb310cf5f52e897f0ea006461a620a8f1be1e1f684ac936c2e0f
        • MD5 SHA1 SHA512 SSDEEP

        kvmccSR.exe

        • Path C:\Windows\System\kvmccSR.exe
        • Size 5.9MB
        • SHA256 4648618a75802d155103962f48a17f77266263aca91a1cf5adec199bc1a31373
        • MD5 SHA1 SHA512 SSDEEP

        nUWIGEC.exe

        • Path C:\Windows\System\nUWIGEC.exe
        • Size 5.9MB
        • SHA256 ab59f04288355668ad57b92afd4f51d06b0234909784868d3420a40898f1b843
        • MD5 SHA1 SHA512 SSDEEP

        qQdPSZw.exe

        • Path C:\Windows\System\qQdPSZw.exe
        • Size 5.9MB
        • SHA256 85b81af69902eca561dfc6b8fcba8f0575570fbb7bf936f242b9aa1f5a8a0f52
        • MD5 SHA1 SHA512 SSDEEP

        tIsWuPq.exe

        • Path C:\Windows\System\tIsWuPq.exe
        • Size 5.9MB
        • SHA256 876dec8164b25d96e11eb83a2e159182b49d7411a899b25d9e104dcd7e83d9e3
        • MD5 SHA1 SHA512 SSDEEP

        vcKJTGv.exe

        • Path C:\Windows\System\vcKJTGv.exe
        • Size 5.9MB
        • SHA256 dc6a643a4d0245a30c9061f7e2d0d65d0aad1e6aa47af100f7503b4b39a9880b
        • MD5 SHA1 SHA512 SSDEEP

        memory/8-29-0x00007FF6D3090000-0x00007FF6D33E4000-memory.dmp

        memory/8-139-0x00007FF6D3090000-0x00007FF6D33E4000-memory.dmp

        memory/388-95-0x00007FF7C1A20000-0x00007FF7C1D74000-memory.dmp

        memory/388-149-0x00007FF7C1A20000-0x00007FF7C1D74000-memory.dmp

        memory/540-116-0x00007FF74C6E0000-0x00007FF74CA34000-memory.dmp

        memory/540-135-0x00007FF74C6E0000-0x00007FF74CA34000-memory.dmp

        memory/540-154-0x00007FF74C6E0000-0x00007FF74CA34000-memory.dmp

        memory/624-129-0x00007FF71FCA0000-0x00007FF71FFF4000-memory.dmp

        memory/624-16-0x00007FF71FCA0000-0x00007FF71FFF4000-memory.dmp

        memory/624-137-0x00007FF71FCA0000-0x00007FF71FFF4000-memory.dmp

        memory/1112-91-0x00007FF6B9050000-0x00007FF6B93A4000-memory.dmp

        memory/1112-147-0x00007FF6B9050000-0x00007FF6B93A4000-memory.dmp

        memory/1332-143-0x00007FF74F4B0000-0x00007FF74F804000-memory.dmp

        memory/1332-58-0x00007FF74F4B0000-0x00007FF74F804000-memory.dmp

        memory/1332-132-0x00007FF74F4B0000-0x00007FF74F804000-memory.dmp

        memory/1544-109-0x00007FF74E280000-0x00007FF74E5D4000-memory.dmp

        memory/1544-146-0x00007FF74E280000-0x00007FF74E5D4000-memory.dmp

        memory/2780-127-0x00007FF6CECF0000-0x00007FF6CF044000-memory.dmp

        memory/2780-156-0x00007FF6CECF0000-0x00007FF6CF044000-memory.dmp

        memory/2952-37-0x00007FF6069F0000-0x00007FF606D44000-memory.dmp

        memory/2952-130-0x00007FF6069F0000-0x00007FF606D44000-memory.dmp

        memory/2952-140-0x00007FF6069F0000-0x00007FF606D44000-memory.dmp

        memory/3460-1-0x0000026797440000-0x0000026797450000-memory.dmp

        memory/3460-128-0x00007FF63A340000-0x00007FF63A694000-memory.dmp

        memory/3460-0-0x00007FF63A340000-0x00007FF63A694000-memory.dmp

        memory/3524-110-0x00007FF682180000-0x00007FF6824D4000-memory.dmp

        memory/3524-150-0x00007FF682180000-0x00007FF6824D4000-memory.dmp

        memory/3612-67-0x00007FF68DBF0000-0x00007FF68DF44000-memory.dmp

        memory/3612-142-0x00007FF68DBF0000-0x00007FF68DF44000-memory.dmp

        memory/3764-38-0x00007FF680570000-0x00007FF6808C4000-memory.dmp

        memory/3764-141-0x00007FF680570000-0x00007FF6808C4000-memory.dmp

        memory/4092-155-0x00007FF64A2A0000-0x00007FF64A5F4000-memory.dmp

        memory/4092-134-0x00007FF64A2A0000-0x00007FF64A5F4000-memory.dmp

        memory/4092-115-0x00007FF64A2A0000-0x00007FF64A5F4000-memory.dmp

        memory/4104-98-0x00007FF74AF80000-0x00007FF74B2D4000-memory.dmp

        memory/4104-151-0x00007FF74AF80000-0x00007FF74B2D4000-memory.dmp

        memory/4104-133-0x00007FF74AF80000-0x00007FF74B2D4000-memory.dmp

        memory/4156-121-0x00007FF6265E0000-0x00007FF626934000-memory.dmp

        memory/4156-153-0x00007FF6265E0000-0x00007FF626934000-memory.dmp

        memory/4200-136-0x00007FF624AB0000-0x00007FF624E04000-memory.dmp

        memory/4200-8-0x00007FF624AB0000-0x00007FF624E04000-memory.dmp

        memory/4372-152-0x00007FF79A050000-0x00007FF79A3A4000-memory.dmp

        memory/4372-112-0x00007FF79A050000-0x00007FF79A3A4000-memory.dmp

        memory/4604-145-0x00007FF66D800000-0x00007FF66DB54000-memory.dmp

        memory/4604-131-0x00007FF66D800000-0x00007FF66DB54000-memory.dmp

        memory/4604-59-0x00007FF66D800000-0x00007FF66DB54000-memory.dmp

        memory/4624-25-0x00007FF734DA0000-0x00007FF7350F4000-memory.dmp

        memory/4624-138-0x00007FF734DA0000-0x00007FF7350F4000-memory.dmp

        memory/5044-144-0x00007FF6AF810000-0x00007FF6AFB64000-memory.dmp

        memory/5044-90-0x00007FF6AF810000-0x00007FF6AFB64000-memory.dmp

        memory/5088-148-0x00007FF713510000-0x00007FF713864000-memory.dmp

        memory/5088-101-0x00007FF713510000-0x00007FF713864000-memory.dmp