Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/05/2024, 08:09

General

  • Target
    2024-05-28_4bf3ef7b76fa151bd79e72167b075d61_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240528-j2ethscb2v
  • SHA256 90878ada595d6b5145f6ab71d50376c455cf9d52d7efcd08ca4648a853deb085
  • 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\2024-05-28_4bf3ef7b76fa151bd79e72167b075d61_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-28_4bf3ef7b76fa151bd79e72167b075d61_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5076
    • C:\Windows\System\dvdzvCY.exe
      C:\Windows\System\dvdzvCY.exe
      2⤵
      • Executes dropped EXE
      PID:3316
    • C:\Windows\System\BReWpYf.exe
      C:\Windows\System\BReWpYf.exe
      2⤵
      • Executes dropped EXE
      PID:2792
    • C:\Windows\System\BQBRzqg.exe
      C:\Windows\System\BQBRzqg.exe
      2⤵
      • Executes dropped EXE
      PID:3940
    • C:\Windows\System\biNEMPi.exe
      C:\Windows\System\biNEMPi.exe
      2⤵
      • Executes dropped EXE
      PID:4892
    • C:\Windows\System\xHzLvnP.exe
      C:\Windows\System\xHzLvnP.exe
      2⤵
      • Executes dropped EXE
      PID:4704
    • C:\Windows\System\sihSMEN.exe
      C:\Windows\System\sihSMEN.exe
      2⤵
      • Executes dropped EXE
      PID:3148
    • C:\Windows\System\JLoGxDb.exe
      C:\Windows\System\JLoGxDb.exe
      2⤵
      • Executes dropped EXE
      PID:3356
    • C:\Windows\System\QianRlW.exe
      C:\Windows\System\QianRlW.exe
      2⤵
      • Executes dropped EXE
      PID:1544
    • C:\Windows\System\tgoaiCc.exe
      C:\Windows\System\tgoaiCc.exe
      2⤵
      • Executes dropped EXE
      PID:4984
    • C:\Windows\System\uctqsoG.exe
      C:\Windows\System\uctqsoG.exe
      2⤵
      • Executes dropped EXE
      PID:5048
    • C:\Windows\System\JzXIDcU.exe
      C:\Windows\System\JzXIDcU.exe
      2⤵
      • Executes dropped EXE
      PID:4808
    • C:\Windows\System\iVJyWoP.exe
      C:\Windows\System\iVJyWoP.exe
      2⤵
      • Executes dropped EXE
      PID:3952
    • C:\Windows\System\ARaKpjw.exe
      C:\Windows\System\ARaKpjw.exe
      2⤵
      • Executes dropped EXE
      PID:4924
    • C:\Windows\System\yBSlUDe.exe
      C:\Windows\System\yBSlUDe.exe
      2⤵
      • Executes dropped EXE
      PID:1012
    • C:\Windows\System\yjsqjUy.exe
      C:\Windows\System\yjsqjUy.exe
      2⤵
      • Executes dropped EXE
      PID:2912
    • C:\Windows\System\UYWXhVu.exe
      C:\Windows\System\UYWXhVu.exe
      2⤵
      • Executes dropped EXE
      PID:1456
    • C:\Windows\System\xTblJCv.exe
      C:\Windows\System\xTblJCv.exe
      2⤵
      • Executes dropped EXE
      PID:820
    • C:\Windows\System\OSHguLs.exe
      C:\Windows\System\OSHguLs.exe
      2⤵
      • Executes dropped EXE
      PID:5056
    • C:\Windows\System\WlhzXue.exe
      C:\Windows\System\WlhzXue.exe
      2⤵
      • Executes dropped EXE
      PID:3212
    • C:\Windows\System\ZoedVOV.exe
      C:\Windows\System\ZoedVOV.exe
      2⤵
      • Executes dropped EXE
      PID:1108
    • C:\Windows\System\pYDKZEa.exe
      C:\Windows\System\pYDKZEa.exe
      2⤵
      • Executes dropped EXE
      PID:1984

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        ARaKpjw.exe

        • Path C:\Windows\System\ARaKpjw.exe
        • Size 5.9MB
        • SHA256 f138cc35f7064257d14d64e85831b2ae25108e956b0d680b08c53e8d55c06c5f
        • MD5 SHA1 SHA512 SSDEEP

        BQBRzqg.exe

        • Path C:\Windows\System\BQBRzqg.exe
        • Size 5.9MB
        • SHA256 be47e082ada646b539d36c5a836180cd07f040a6b960d6a3136e8f14723f2ced
        • MD5 SHA1 SHA512 SSDEEP

        BReWpYf.exe

        • Path C:\Windows\System\BReWpYf.exe
        • Size 5.9MB
        • SHA256 6da0fc0ea389c7de7917f0a1177b5dd9198b2967872da69318e4c5c4ed1ec4ce
        • MD5 SHA1 SHA512 SSDEEP

        JLoGxDb.exe

        • Path C:\Windows\System\JLoGxDb.exe
        • Size 5.9MB
        • SHA256 ef00b8fda7053fb15de95908190b9c653fc291f5dabd8d830cbf8b7afde49997
        • MD5 SHA1 SHA512 SSDEEP

        JzXIDcU.exe

        • Path C:\Windows\System\JzXIDcU.exe
        • Size 5.9MB
        • SHA256 15168f33070a599b77f5698b4026eae02c5c511ad0ef822e46b78bb321f08088
        • MD5 SHA1 SHA512 SSDEEP

        OSHguLs.exe

        • Path C:\Windows\System\OSHguLs.exe
        • Size 5.9MB
        • SHA256 f0a0d3f6ee50b82dcf0ed6c08a522857007895d487bd1dca362318873435becb
        • MD5 SHA1 SHA512 SSDEEP

        QianRlW.exe

        • Path C:\Windows\System\QianRlW.exe
        • Size 5.9MB
        • SHA256 3f814fbe77b8f7cffe1f7c118c93245b43c3c400dd01af78f688804849abae94
        • MD5 SHA1 SHA512 SSDEEP

        UYWXhVu.exe

        • Path C:\Windows\System\UYWXhVu.exe
        • Size 5.9MB
        • SHA256 240c62c3037953dfd81107492cfdbf9ccf9e28157096867206bdefcfac48b244
        • MD5 SHA1 SHA512 SSDEEP

        WlhzXue.exe

        • Path C:\Windows\System\WlhzXue.exe
        • Size 5.9MB
        • SHA256 60f46aa3c310a0383335a0bb150d660b8b19093f59988cdbb0262c825efc8f4e
        • MD5 SHA1 SHA512 SSDEEP

        ZoedVOV.exe

        • Path C:\Windows\System\ZoedVOV.exe
        • Size 5.9MB
        • SHA256 97bfe4a31d24492793b0172e726f778c0101b8d998a1d7a6c42c47ca4f6d2212
        • MD5 SHA1 SHA512 SSDEEP

        biNEMPi.exe

        • Path C:\Windows\System\biNEMPi.exe
        • Size 5.9MB
        • SHA256 7b9003c84f642a612780919c4017e5d8f41faa8adfb7fb405701247a390b7cb0
        • MD5 SHA1 SHA512 SSDEEP

        dvdzvCY.exe

        • Path C:\Windows\System\dvdzvCY.exe
        • Size 5.9MB
        • SHA256 68afbe8d9d491a8521bd74c532fc7eda3af6c684c2be66f7375d8756f82c54db
        • MD5 SHA1 SHA512 SSDEEP

        iVJyWoP.exe

        • Path C:\Windows\System\iVJyWoP.exe
        • Size 5.9MB
        • SHA256 b37d686fa064b5ced0d98081385348decc485100e538a6f2d94d32f4cf0c2ba8
        • MD5 SHA1 SHA512 SSDEEP

        pYDKZEa.exe

        • Path C:\Windows\System\pYDKZEa.exe
        • Size 5.9MB
        • SHA256 f6ff2396d04cf79696f70fbbb6af84d4e1dfdc63a8428aac7cf5f80d71256e87
        • MD5 SHA1 SHA512 SSDEEP

        sihSMEN.exe

        • Path C:\Windows\System\sihSMEN.exe
        • Size 5.9MB
        • SHA256 b5e65edb605f1d592deed1c624b21bcd1e51db0993e1876a4bf7271eead79799
        • MD5 SHA1 SHA512 SSDEEP

        tgoaiCc.exe

        • Path C:\Windows\System\tgoaiCc.exe
        • Size 5.9MB
        • SHA256 a0b54c49a84e56d8498ffe15cc667bd05258bc83f86749da6e582ac088d23d90
        • MD5 SHA1 SHA512 SSDEEP

        uctqsoG.exe

        • Path C:\Windows\System\uctqsoG.exe
        • Size 5.9MB
        • SHA256 1525b1edb60210b63179d6ada4cb81646b73bb09778f2d15524764456eb7b2a4
        • MD5 SHA1 SHA512 SSDEEP

        xHzLvnP.exe

        • Path C:\Windows\System\xHzLvnP.exe
        • Size 5.9MB
        • SHA256 103e831a349ecaa8d40b8d00de8bc9d970ecf0a1115a106c0e7fb66851dee460
        • MD5 SHA1 SHA512 SSDEEP

        xTblJCv.exe

        • Path C:\Windows\System\xTblJCv.exe
        • Size 5.9MB
        • SHA256 d7997e3bb4905ecdc6d5906abe551827aba9d911e24b1534e548297511909b58
        • MD5 SHA1 SHA512 SSDEEP

        yBSlUDe.exe

        • Path C:\Windows\System\yBSlUDe.exe
        • Size 5.9MB
        • SHA256 0ff442bcdc76f19cdf0fd8975cd1a6077831d8957338769a0b477a988ca1d611
        • MD5 SHA1 SHA512 SSDEEP

        yjsqjUy.exe

        • Path C:\Windows\System\yjsqjUy.exe
        • Size 5.9MB
        • SHA256 480d7d3edac763402ae269ee4ed6321feff5bc3f7ea04779f1956db0a45fcbbe
        • MD5 SHA1 SHA512 SSDEEP

        memory/820-107-0x00007FF7760D0000-0x00007FF776424000-memory.dmp

        memory/820-153-0x00007FF7760D0000-0x00007FF776424000-memory.dmp

        memory/1012-89-0x00007FF6D0C50000-0x00007FF6D0FA4000-memory.dmp

        memory/1012-151-0x00007FF6D0C50000-0x00007FF6D0FA4000-memory.dmp

        memory/1108-157-0x00007FF61A1F0000-0x00007FF61A544000-memory.dmp

        memory/1108-126-0x00007FF61A1F0000-0x00007FF61A544000-memory.dmp

        memory/1456-154-0x00007FF7C75A0000-0x00007FF7C78F4000-memory.dmp

        memory/1456-100-0x00007FF7C75A0000-0x00007FF7C78F4000-memory.dmp

        memory/1456-137-0x00007FF7C75A0000-0x00007FF7C78F4000-memory.dmp

        memory/1544-50-0x00007FF776540000-0x00007FF776894000-memory.dmp

        memory/1544-145-0x00007FF776540000-0x00007FF776894000-memory.dmp

        memory/1984-158-0x00007FF6DFFD0000-0x00007FF6E0324000-memory.dmp

        memory/1984-132-0x00007FF6DFFD0000-0x00007FF6E0324000-memory.dmp

        memory/2792-14-0x00007FF6255E0000-0x00007FF625934000-memory.dmp

        memory/2792-139-0x00007FF6255E0000-0x00007FF625934000-memory.dmp

        memory/2912-136-0x00007FF74E0B0000-0x00007FF74E404000-memory.dmp

        memory/2912-95-0x00007FF74E0B0000-0x00007FF74E404000-memory.dmp

        memory/2912-152-0x00007FF74E0B0000-0x00007FF74E404000-memory.dmp

        memory/3148-38-0x00007FF74A900000-0x00007FF74AC54000-memory.dmp

        memory/3148-143-0x00007FF74A900000-0x00007FF74AC54000-memory.dmp

        memory/3212-156-0x00007FF6CD510000-0x00007FF6CD864000-memory.dmp

        memory/3212-120-0x00007FF6CD510000-0x00007FF6CD864000-memory.dmp

        memory/3316-138-0x00007FF608F10000-0x00007FF609264000-memory.dmp

        memory/3316-7-0x00007FF608F10000-0x00007FF609264000-memory.dmp

        memory/3316-69-0x00007FF608F10000-0x00007FF609264000-memory.dmp

        memory/3356-42-0x00007FF6E1CB0000-0x00007FF6E2004000-memory.dmp

        memory/3356-144-0x00007FF6E1CB0000-0x00007FF6E2004000-memory.dmp

        memory/3356-113-0x00007FF6E1CB0000-0x00007FF6E2004000-memory.dmp

        memory/3940-20-0x00007FF669E20000-0x00007FF66A174000-memory.dmp

        memory/3940-88-0x00007FF669E20000-0x00007FF66A174000-memory.dmp

        memory/3940-140-0x00007FF669E20000-0x00007FF66A174000-memory.dmp

        memory/3952-134-0x00007FF6F31C0000-0x00007FF6F3514000-memory.dmp

        memory/3952-149-0x00007FF6F31C0000-0x00007FF6F3514000-memory.dmp

        memory/3952-73-0x00007FF6F31C0000-0x00007FF6F3514000-memory.dmp

        memory/4704-142-0x00007FF6B21C0000-0x00007FF6B2514000-memory.dmp

        memory/4704-32-0x00007FF6B21C0000-0x00007FF6B2514000-memory.dmp

        memory/4808-70-0x00007FF7D6F50000-0x00007FF7D72A4000-memory.dmp

        memory/4808-148-0x00007FF7D6F50000-0x00007FF7D72A4000-memory.dmp

        memory/4808-133-0x00007FF7D6F50000-0x00007FF7D72A4000-memory.dmp

        memory/4892-26-0x00007FF709650000-0x00007FF7099A4000-memory.dmp

        memory/4892-141-0x00007FF709650000-0x00007FF7099A4000-memory.dmp

        memory/4924-135-0x00007FF641540000-0x00007FF641894000-memory.dmp

        memory/4924-150-0x00007FF641540000-0x00007FF641894000-memory.dmp

        memory/4924-80-0x00007FF641540000-0x00007FF641894000-memory.dmp

        memory/4984-56-0x00007FF7719A0000-0x00007FF771CF4000-memory.dmp

        memory/4984-146-0x00007FF7719A0000-0x00007FF771CF4000-memory.dmp

        memory/5048-147-0x00007FF7DAEC0000-0x00007FF7DB214000-memory.dmp

        memory/5048-131-0x00007FF7DAEC0000-0x00007FF7DB214000-memory.dmp

        memory/5048-62-0x00007FF7DAEC0000-0x00007FF7DB214000-memory.dmp

        memory/5056-117-0x00007FF698A10000-0x00007FF698D64000-memory.dmp

        memory/5056-155-0x00007FF698A10000-0x00007FF698D64000-memory.dmp

        memory/5076-0-0x00007FF6D0230000-0x00007FF6D0584000-memory.dmp

        memory/5076-1-0x0000026816210000-0x0000026816220000-memory.dmp

        memory/5076-61-0x00007FF6D0230000-0x00007FF6D0584000-memory.dmp