Analysis

  • max time kernel
    149s
  • 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, 04:35

General

  • Target
    2024-05-31_849831d9771b96b8b97a241085ce2be1_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240531-e7rm2sgc44
  • SHA256 d092b2626996f40e184b1a4fe0a0a7cdc2157b0961addf8f2146c20227783d08
  • 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_849831d9771b96b8b97a241085ce2be1_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-31_849831d9771b96b8b97a241085ce2be1_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Windows\System\ibXGcGH.exe
      C:\Windows\System\ibXGcGH.exe
      2⤵
      • Executes dropped EXE
      PID:4124
    • C:\Windows\System\PnwRTMd.exe
      C:\Windows\System\PnwRTMd.exe
      2⤵
      • Executes dropped EXE
      PID:3224
    • C:\Windows\System\bKANVXU.exe
      C:\Windows\System\bKANVXU.exe
      2⤵
      • Executes dropped EXE
      PID:1380
    • C:\Windows\System\LXoTkbm.exe
      C:\Windows\System\LXoTkbm.exe
      2⤵
      • Executes dropped EXE
      PID:3044
    • C:\Windows\System\juyLqDI.exe
      C:\Windows\System\juyLqDI.exe
      2⤵
      • Executes dropped EXE
      PID:2968
    • C:\Windows\System\oGklhBo.exe
      C:\Windows\System\oGklhBo.exe
      2⤵
      • Executes dropped EXE
      PID:3652
    • C:\Windows\System\NfICXdm.exe
      C:\Windows\System\NfICXdm.exe
      2⤵
      • Executes dropped EXE
      PID:4648
    • C:\Windows\System\WiHzDuo.exe
      C:\Windows\System\WiHzDuo.exe
      2⤵
      • Executes dropped EXE
      PID:3672
    • C:\Windows\System\pjvNbpa.exe
      C:\Windows\System\pjvNbpa.exe
      2⤵
      • Executes dropped EXE
      PID:3780
    • C:\Windows\System\lJSUZow.exe
      C:\Windows\System\lJSUZow.exe
      2⤵
      • Executes dropped EXE
      PID:3932
    • C:\Windows\System\SArHzMK.exe
      C:\Windows\System\SArHzMK.exe
      2⤵
      • Executes dropped EXE
      PID:64
    • C:\Windows\System\yAQCdcT.exe
      C:\Windows\System\yAQCdcT.exe
      2⤵
      • Executes dropped EXE
      PID:2600
    • C:\Windows\System\vEjjxkV.exe
      C:\Windows\System\vEjjxkV.exe
      2⤵
      • Executes dropped EXE
      PID:4148
    • C:\Windows\System\nugblTG.exe
      C:\Windows\System\nugblTG.exe
      2⤵
      • Executes dropped EXE
      PID:460
    • C:\Windows\System\wuQtFUr.exe
      C:\Windows\System\wuQtFUr.exe
      2⤵
      • Executes dropped EXE
      PID:3180
    • C:\Windows\System\PFedAlK.exe
      C:\Windows\System\PFedAlK.exe
      2⤵
      • Executes dropped EXE
      PID:3276
    • C:\Windows\System\hbUIQmW.exe
      C:\Windows\System\hbUIQmW.exe
      2⤵
      • Executes dropped EXE
      PID:3144
    • C:\Windows\System\gZpBcMG.exe
      C:\Windows\System\gZpBcMG.exe
      2⤵
      • Executes dropped EXE
      PID:2424
    • C:\Windows\System\ITfhvUQ.exe
      C:\Windows\System\ITfhvUQ.exe
      2⤵
      • Executes dropped EXE
      PID:2556
    • C:\Windows\System\TerRtKv.exe
      C:\Windows\System\TerRtKv.exe
      2⤵
      • Executes dropped EXE
      PID:4364
    • C:\Windows\System\FIDujLY.exe
      C:\Windows\System\FIDujLY.exe
      2⤵
      • Executes dropped EXE
      PID:3696

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        FIDujLY.exe

        • Path C:\Windows\System\FIDujLY.exe
        • Size 5.9MB
        • SHA256 25af3f75d50837b136727c383c858295694d16226592f94e3eae4c9cab79e584
        • MD5 SHA1 SHA512 SSDEEP

        ITfhvUQ.exe

        • Path C:\Windows\System\ITfhvUQ.exe
        • Size 5.9MB
        • SHA256 c490dc4a546d3dcad442a73f6470464977d24571e459a5157f246f3ed7155055
        • MD5 SHA1 SHA512 SSDEEP

        LXoTkbm.exe

        • Path C:\Windows\System\LXoTkbm.exe
        • Size 5.9MB
        • SHA256 05f402db5b2bf8db96a966f039c77c8b3a1a68b893f5f83165fa66b90fbc32a1
        • MD5 SHA1 SHA512 SSDEEP

        NfICXdm.exe

        • Path C:\Windows\System\NfICXdm.exe
        • Size 5.9MB
        • SHA256 ade0910c0d4d3637a80d2377a33c5f835fb1f63ec981762376f464c62b13159c
        • MD5 SHA1 SHA512 SSDEEP

        PFedAlK.exe

        • Path C:\Windows\System\PFedAlK.exe
        • Size 5.9MB
        • SHA256 e836b49074d5a334b59c2c33515ee96c717e386e7a6ec8564028e2c572f81d1e
        • MD5 SHA1 SHA512 SSDEEP

        PnwRTMd.exe

        • Path C:\Windows\System\PnwRTMd.exe
        • Size 5.9MB
        • SHA256 1c79e94662d24bda4f42ea87dfed19c41b3b52682a38c06f20d9f6a6b5778d5c
        • MD5 SHA1 SHA512 SSDEEP

        SArHzMK.exe

        • Path C:\Windows\System\SArHzMK.exe
        • Size 5.9MB
        • SHA256 dd15cfdd96bf42a814cf94b9f0d80a51a2920867b39e1ca6038e30b568e8f1bc
        • MD5 SHA1 SHA512 SSDEEP

        TerRtKv.exe

        • Path C:\Windows\System\TerRtKv.exe
        • Size 5.9MB
        • SHA256 081a986a53e6843e93ce968d059aafa53ecd9b3824dc0c8f0b715fd5e26e5d57
        • MD5 SHA1 SHA512 SSDEEP

        WiHzDuo.exe

        • Path C:\Windows\System\WiHzDuo.exe
        • Size 5.9MB
        • SHA256 b3d2a5cb403e2e21adb62c9f7a918f6d9a5248627a421b258e16c44206d7e6d9
        • MD5 SHA1 SHA512 SSDEEP

        bKANVXU.exe

        • Path C:\Windows\System\bKANVXU.exe
        • Size 5.9MB
        • SHA256 6ef9826c2c583abd0ddbcadcede1cebfe7ae46f0684dffaf6a46ccfe8ac34b47
        • MD5 SHA1 SHA512 SSDEEP

        gZpBcMG.exe

        • Path C:\Windows\System\gZpBcMG.exe
        • Size 5.9MB
        • SHA256 9031f6c9818d57cc14aec49a3cbb2747a098c9de68be30421943b3122b87038b
        • MD5 SHA1 SHA512 SSDEEP

        hbUIQmW.exe

        • Path C:\Windows\System\hbUIQmW.exe
        • Size 5.9MB
        • SHA256 1ed07e753f61311cfc40be5c8765c427e1bec228724b3fa6d8a7063e6b41bd51
        • MD5 SHA1 SHA512 SSDEEP

        ibXGcGH.exe

        • Path C:\Windows\System\ibXGcGH.exe
        • Size 5.9MB
        • SHA256 324f12750446464b44550774cf5f37debb726c18e6904cd03940f51b53da059f
        • MD5 SHA1 SHA512 SSDEEP

        juyLqDI.exe

        • Path C:\Windows\System\juyLqDI.exe
        • Size 5.9MB
        • SHA256 7686a995f537bb6cbda3a543789e856f15f0270962217247630a965cbdfab9c2
        • MD5 SHA1 SHA512 SSDEEP

        lJSUZow.exe

        • Path C:\Windows\System\lJSUZow.exe
        • Size 5.9MB
        • SHA256 e740d648988c1225c3a38c248ddb6180a9b9d138c4a7a115a92099f0d0845515
        • MD5 SHA1 SHA512 SSDEEP

        nugblTG.exe

        • Path C:\Windows\System\nugblTG.exe
        • Size 5.9MB
        • SHA256 fd4660cc96f31d8529913f4e88d1691c000a3c0c9f9235b306dd3270c88166fc
        • MD5 SHA1 SHA512 SSDEEP

        oGklhBo.exe

        • Path C:\Windows\System\oGklhBo.exe
        • Size 5.9MB
        • SHA256 2ea1c71b2cdfd3599eed6a6e15436af2bd570eb6a5c7892bd9b4722569bb18a9
        • MD5 SHA1 SHA512 SSDEEP

        pjvNbpa.exe

        • Path C:\Windows\System\pjvNbpa.exe
        • Size 5.9MB
        • SHA256 a7970f04887a3314a97035511a25d7625c3f77948d99c044c8d0b26368396a60
        • MD5 SHA1 SHA512 SSDEEP

        vEjjxkV.exe

        • Path C:\Windows\System\vEjjxkV.exe
        • Size 5.9MB
        • SHA256 d633bc1fceb98b065106022d60a6aaa176153a1b164252ac8f13a038cb81b9de
        • MD5 SHA1 SHA512 SSDEEP

        wuQtFUr.exe

        • Path C:\Windows\System\wuQtFUr.exe
        • Size 5.9MB
        • SHA256 3c2218d28f6cc997044fb793d6db7df6d5d506a9f3ca95b9caf6c8c63a43704e
        • MD5 SHA1 SHA512 SSDEEP

        yAQCdcT.exe

        • Path C:\Windows\System\yAQCdcT.exe
        • Size 5.9MB
        • SHA256 5c8221b8fb11c4ef6f45505d444eb860367d2fe4d9d35ed3c467aa0c5fbc8194
        • MD5 SHA1 SHA512 SSDEEP

        memory/64-148-0x00007FF639BB0000-0x00007FF639F04000-memory.dmp

        memory/64-78-0x00007FF639BB0000-0x00007FF639F04000-memory.dmp

        memory/460-152-0x00007FF748E00000-0x00007FF749154000-memory.dmp

        memory/460-87-0x00007FF748E00000-0x00007FF749154000-memory.dmp

        memory/460-136-0x00007FF748E00000-0x00007FF749154000-memory.dmp

        memory/1380-141-0x00007FF6CB150000-0x00007FF6CB4A4000-memory.dmp

        memory/1380-88-0x00007FF6CB150000-0x00007FF6CB4A4000-memory.dmp

        memory/1380-18-0x00007FF6CB150000-0x00007FF6CB4A4000-memory.dmp

        memory/1776-1-0x000001E4C5E80000-0x000001E4C5E90000-memory.dmp

        memory/1776-0-0x00007FF66ABA0000-0x00007FF66AEF4000-memory.dmp

        memory/1776-62-0x00007FF66ABA0000-0x00007FF66AEF4000-memory.dmp

        memory/2424-114-0x00007FF69DE30000-0x00007FF69E184000-memory.dmp

        memory/2424-155-0x00007FF69DE30000-0x00007FF69E184000-memory.dmp

        memory/2556-132-0x00007FF6D3E50000-0x00007FF6D41A4000-memory.dmp

        memory/2556-156-0x00007FF6D3E50000-0x00007FF6D41A4000-memory.dmp

        memory/2600-135-0x00007FF635CE0000-0x00007FF636034000-memory.dmp

        memory/2600-80-0x00007FF635CE0000-0x00007FF636034000-memory.dmp

        memory/2600-150-0x00007FF635CE0000-0x00007FF636034000-memory.dmp

        memory/2968-36-0x00007FF769F50000-0x00007FF76A2A4000-memory.dmp

        memory/2968-143-0x00007FF769F50000-0x00007FF76A2A4000-memory.dmp

        memory/3044-95-0x00007FF7579C0000-0x00007FF757D14000-memory.dmp

        memory/3044-22-0x00007FF7579C0000-0x00007FF757D14000-memory.dmp

        memory/3044-142-0x00007FF7579C0000-0x00007FF757D14000-memory.dmp

        memory/3144-138-0x00007FF771C20000-0x00007FF771F74000-memory.dmp

        memory/3144-109-0x00007FF771C20000-0x00007FF771F74000-memory.dmp

        memory/3144-157-0x00007FF771C20000-0x00007FF771F74000-memory.dmp

        memory/3180-100-0x00007FF721B80000-0x00007FF721ED4000-memory.dmp

        memory/3180-153-0x00007FF721B80000-0x00007FF721ED4000-memory.dmp

        memory/3180-137-0x00007FF721B80000-0x00007FF721ED4000-memory.dmp

        memory/3224-11-0x00007FF7AF910000-0x00007FF7AFC64000-memory.dmp

        memory/3224-86-0x00007FF7AF910000-0x00007FF7AFC64000-memory.dmp

        memory/3224-140-0x00007FF7AF910000-0x00007FF7AFC64000-memory.dmp

        memory/3276-154-0x00007FF609370000-0x00007FF6096C4000-memory.dmp

        memory/3276-106-0x00007FF609370000-0x00007FF6096C4000-memory.dmp

        memory/3652-144-0x00007FF7D2CD0000-0x00007FF7D3024000-memory.dmp

        memory/3652-39-0x00007FF7D2CD0000-0x00007FF7D3024000-memory.dmp

        memory/3672-146-0x00007FF6F1160000-0x00007FF6F14B4000-memory.dmp

        memory/3672-124-0x00007FF6F1160000-0x00007FF6F14B4000-memory.dmp

        memory/3672-48-0x00007FF6F1160000-0x00007FF6F14B4000-memory.dmp

        memory/3696-159-0x00007FF66C0E0000-0x00007FF66C434000-memory.dmp

        memory/3696-134-0x00007FF66C0E0000-0x00007FF66C434000-memory.dmp

        memory/3780-149-0x00007FF72E660000-0x00007FF72E9B4000-memory.dmp

        memory/3780-127-0x00007FF72E660000-0x00007FF72E9B4000-memory.dmp

        memory/3780-61-0x00007FF72E660000-0x00007FF72E9B4000-memory.dmp

        memory/3932-73-0x00007FF7A34C0000-0x00007FF7A3814000-memory.dmp

        memory/3932-147-0x00007FF7A34C0000-0x00007FF7A3814000-memory.dmp

        memory/4124-10-0x00007FF7FF6A0000-0x00007FF7FF9F4000-memory.dmp

        memory/4124-139-0x00007FF7FF6A0000-0x00007FF7FF9F4000-memory.dmp

        memory/4124-70-0x00007FF7FF6A0000-0x00007FF7FF9F4000-memory.dmp

        memory/4148-85-0x00007FF6FE0A0000-0x00007FF6FE3F4000-memory.dmp

        memory/4148-151-0x00007FF6FE0A0000-0x00007FF6FE3F4000-memory.dmp

        memory/4364-158-0x00007FF7553B0000-0x00007FF755704000-memory.dmp

        memory/4364-133-0x00007FF7553B0000-0x00007FF755704000-memory.dmp

        memory/4648-145-0x00007FF712460000-0x00007FF7127B4000-memory.dmp

        memory/4648-43-0x00007FF712460000-0x00007FF7127B4000-memory.dmp