Analysis

  • max time kernel
    138s
  • max time network
    148s
  • 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, 20:50

General

  • Target
    2024-06-02_3cee302246bc86a9cdc8c88a2149425b_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240602-zmllhsff48
  • SHA256 4fa4b354c41c6f9dbd6d8a673b088eca478d78495a4996665b0c073d91c24df3
  • 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_3cee302246bc86a9cdc8c88a2149425b_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-02_3cee302246bc86a9cdc8c88a2149425b_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:528
    • C:\Windows\System\PmpBvVa.exe
      C:\Windows\System\PmpBvVa.exe
      2⤵
      • Executes dropped EXE
      PID:4084
    • C:\Windows\System\mEAbJma.exe
      C:\Windows\System\mEAbJma.exe
      2⤵
      • Executes dropped EXE
      PID:4140
    • C:\Windows\System\ptpURei.exe
      C:\Windows\System\ptpURei.exe
      2⤵
      • Executes dropped EXE
      PID:2952
    • C:\Windows\System\SPTUqoq.exe
      C:\Windows\System\SPTUqoq.exe
      2⤵
      • Executes dropped EXE
      PID:4584
    • C:\Windows\System\UlknaQO.exe
      C:\Windows\System\UlknaQO.exe
      2⤵
      • Executes dropped EXE
      PID:2040
    • C:\Windows\System\kwfwAJb.exe
      C:\Windows\System\kwfwAJb.exe
      2⤵
      • Executes dropped EXE
      PID:2396
    • C:\Windows\System\tzaBIpy.exe
      C:\Windows\System\tzaBIpy.exe
      2⤵
      • Executes dropped EXE
      PID:1604
    • C:\Windows\System\yJAUHCA.exe
      C:\Windows\System\yJAUHCA.exe
      2⤵
      • Executes dropped EXE
      PID:2300
    • C:\Windows\System\leAtKpE.exe
      C:\Windows\System\leAtKpE.exe
      2⤵
      • Executes dropped EXE
      PID:4312
    • C:\Windows\System\fZeABgg.exe
      C:\Windows\System\fZeABgg.exe
      2⤵
      • Executes dropped EXE
      PID:3704
    • C:\Windows\System\ivwlqGg.exe
      C:\Windows\System\ivwlqGg.exe
      2⤵
      • Executes dropped EXE
      PID:5052
    • C:\Windows\System\fTVCZgW.exe
      C:\Windows\System\fTVCZgW.exe
      2⤵
      • Executes dropped EXE
      PID:512
    • C:\Windows\System\WrlexLE.exe
      C:\Windows\System\WrlexLE.exe
      2⤵
      • Executes dropped EXE
      PID:5108
    • C:\Windows\System\queUmHd.exe
      C:\Windows\System\queUmHd.exe
      2⤵
      • Executes dropped EXE
      PID:2964
    • C:\Windows\System\tfQHXuf.exe
      C:\Windows\System\tfQHXuf.exe
      2⤵
      • Executes dropped EXE
      PID:3916
    • C:\Windows\System\iJhkReE.exe
      C:\Windows\System\iJhkReE.exe
      2⤵
      • Executes dropped EXE
      PID:2764
    • C:\Windows\System\ZEcPGJE.exe
      C:\Windows\System\ZEcPGJE.exe
      2⤵
      • Executes dropped EXE
      PID:2116
    • C:\Windows\System\sLNqBMy.exe
      C:\Windows\System\sLNqBMy.exe
      2⤵
      • Executes dropped EXE
      PID:4868
    • C:\Windows\System\rCzmoyl.exe
      C:\Windows\System\rCzmoyl.exe
      2⤵
      • Executes dropped EXE
      PID:4500
    • C:\Windows\System\mfJUwUg.exe
      C:\Windows\System\mfJUwUg.exe
      2⤵
      • Executes dropped EXE
      PID:1524
    • C:\Windows\System\FuzdvpZ.exe
      C:\Windows\System\FuzdvpZ.exe
      2⤵
      • Executes dropped EXE
      PID:2844

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        FuzdvpZ.exe

        • Path C:\Windows\System\FuzdvpZ.exe
        • Size 5.9MB
        • SHA256 910cb57aa4a17f128517db7735a42a6e2f2b25086d5801c707832dd8d23c9993
        • MD5 SHA1 SHA512 SSDEEP

        PmpBvVa.exe

        • Path C:\Windows\System\PmpBvVa.exe
        • Size 5.9MB
        • SHA256 b6a1395c965b7f88e9ff515efca6ca2e80774ee813f3b95b115de4441107ffd6
        • MD5 SHA1 SHA512 SSDEEP

        SPTUqoq.exe

        • Path C:\Windows\System\SPTUqoq.exe
        • Size 5.9MB
        • SHA256 5704c7e13782ea97d303ef2b3d6b0a932e464f44cd4c9a996c201da5a6a5f039
        • MD5 SHA1 SHA512 SSDEEP

        UlknaQO.exe

        • Path C:\Windows\System\UlknaQO.exe
        • Size 5.9MB
        • SHA256 ea7949c3d6410167940434afc581527c32f041025eb76a77613edd7561baddef
        • MD5 SHA1 SHA512 SSDEEP

        WrlexLE.exe

        • Path C:\Windows\System\WrlexLE.exe
        • Size 5.9MB
        • SHA256 4aa65e3de8367058a372d7ddb523efb2c1a7556a749135630ae998abe449727e
        • MD5 SHA1 SHA512 SSDEEP

        ZEcPGJE.exe

        • Path C:\Windows\System\ZEcPGJE.exe
        • Size 5.9MB
        • SHA256 437bf338b6c0e3d8ba96f4248952a13e7b3dea064bc10e81a3916f53fd328983
        • MD5 SHA1 SHA512 SSDEEP

        fTVCZgW.exe

        • Path C:\Windows\System\fTVCZgW.exe
        • Size 5.9MB
        • SHA256 bb66f31c4b9308c77967f25aaf8eeebc30e6b99f2d667f2d296a87ef10a4de62
        • MD5 SHA1 SHA512 SSDEEP

        fZeABgg.exe

        • Path C:\Windows\System\fZeABgg.exe
        • Size 5.9MB
        • SHA256 2423d777b4be408f9baa21d255ad3bfb47beea97711a0d6c9371cd7da0071767
        • MD5 SHA1 SHA512 SSDEEP

        iJhkReE.exe

        • Path C:\Windows\System\iJhkReE.exe
        • Size 5.9MB
        • SHA256 9fda38cb0f88af4046e5ee96a8e86ca60d2584a1c58fb5f962adb5a6158cf157
        • MD5 SHA1 SHA512 SSDEEP

        ivwlqGg.exe

        • Path C:\Windows\System\ivwlqGg.exe
        • Size 5.9MB
        • SHA256 457c5a40d79d875f841d7da66e13fcf09311231726b5287db7bf4d06deb1a0e7
        • MD5 SHA1 SHA512 SSDEEP

        kwfwAJb.exe

        • Path C:\Windows\System\kwfwAJb.exe
        • Size 5.9MB
        • SHA256 4d708ef49a1d50d531d451c27b9e882073e63f54b7cbe936b05e579a1673eb2a
        • MD5 SHA1 SHA512 SSDEEP

        leAtKpE.exe

        • Path C:\Windows\System\leAtKpE.exe
        • Size 5.9MB
        • SHA256 def5dd14d7765331b4584bc1cb1939bc210672713da37fd7d51a9dc4f3c95c9c
        • MD5 SHA1 SHA512 SSDEEP

        mEAbJma.exe

        • Path C:\Windows\System\mEAbJma.exe
        • Size 5.9MB
        • SHA256 22d896f9c81fec4d3d17d66f96d4265a7d08a71a6cb713ccfcac12fedca7eb89
        • MD5 SHA1 SHA512 SSDEEP

        mfJUwUg.exe

        • Path C:\Windows\System\mfJUwUg.exe
        • Size 5.9MB
        • SHA256 7159d2eb880e063fa0cc00959f093412235dbd3a111c72dee0cca01724b4a617
        • MD5 SHA1 SHA512 SSDEEP

        ptpURei.exe

        • Path C:\Windows\System\ptpURei.exe
        • Size 5.9MB
        • SHA256 d33c59274a76350c1575a606e9f9a8482a329cde12d616cbbe9163ddfc0e6c1c
        • MD5 SHA1 SHA512 SSDEEP

        queUmHd.exe

        • Path C:\Windows\System\queUmHd.exe
        • Size 5.9MB
        • SHA256 f9be7d2799318f3d27ec81af3e327089f720af6f4de85cd0d99ebf4ebb38792a
        • MD5 SHA1 SHA512 SSDEEP

        rCzmoyl.exe

        • Path C:\Windows\System\rCzmoyl.exe
        • Size 5.9MB
        • SHA256 0c2befc52adaecc1a99013cfeabf55188a20c3e208a1bdf7f627d10afce25267
        • MD5 SHA1 SHA512 SSDEEP

        sLNqBMy.exe

        • Path C:\Windows\System\sLNqBMy.exe
        • Size 5.9MB
        • SHA256 cc30353fc8d950ffee3c9bdca257811d54cde46c660a8a9be9424dff299f7928
        • MD5 SHA1 SHA512 SSDEEP

        tfQHXuf.exe

        • Path C:\Windows\System\tfQHXuf.exe
        • Size 5.9MB
        • SHA256 bd9793af0b67dfa81c8c415052712f5ad769a4349bd8f2016f27f61eb964e3be
        • MD5 SHA1 SHA512 SSDEEP

        tzaBIpy.exe

        • Path C:\Windows\System\tzaBIpy.exe
        • Size 5.9MB
        • SHA256 cece762c5344aeb05f1a2cd0086f6e6f5d31e0b905c58491fcdea57af9451bab
        • MD5 SHA1 SHA512 SSDEEP

        yJAUHCA.exe

        • Path C:\Windows\System\yJAUHCA.exe
        • Size 5.9MB
        • SHA256 8c00599de4e2ed7805f7a70b7665429522a499214732108aee7a1159970cf40a
        • MD5 SHA1 SHA512 SSDEEP

        memory/512-75-0x00007FF6BDA30000-0x00007FF6BDD84000-memory.dmp

        memory/512-152-0x00007FF6BDA30000-0x00007FF6BDD84000-memory.dmp

        memory/528-1-0x000001F44FBA0000-0x000001F44FBB0000-memory.dmp

        memory/528-0-0x00007FF637700000-0x00007FF637A54000-memory.dmp

        memory/528-74-0x00007FF637700000-0x00007FF637A54000-memory.dmp

        memory/1524-160-0x00007FF687850000-0x00007FF687BA4000-memory.dmp

        memory/1524-129-0x00007FF687850000-0x00007FF687BA4000-memory.dmp

        memory/1604-148-0x00007FF60ABA0000-0x00007FF60AEF4000-memory.dmp

        memory/1604-52-0x00007FF60ABA0000-0x00007FF60AEF4000-memory.dmp

        memory/2040-145-0x00007FF609EB0000-0x00007FF60A204000-memory.dmp

        memory/2040-35-0x00007FF609EB0000-0x00007FF60A204000-memory.dmp

        memory/2040-108-0x00007FF609EB0000-0x00007FF60A204000-memory.dmp

        memory/2116-110-0x00007FF74F290000-0x00007FF74F5E4000-memory.dmp

        memory/2116-157-0x00007FF74F290000-0x00007FF74F5E4000-memory.dmp

        memory/2116-138-0x00007FF74F290000-0x00007FF74F5E4000-memory.dmp

        memory/2300-55-0x00007FF6CB7E0000-0x00007FF6CBB34000-memory.dmp

        memory/2300-147-0x00007FF6CB7E0000-0x00007FF6CBB34000-memory.dmp

        memory/2396-40-0x00007FF636B70000-0x00007FF636EC4000-memory.dmp

        memory/2396-125-0x00007FF636B70000-0x00007FF636EC4000-memory.dmp

        memory/2396-146-0x00007FF636B70000-0x00007FF636EC4000-memory.dmp

        memory/2764-156-0x00007FF764880000-0x00007FF764BD4000-memory.dmp

        memory/2764-109-0x00007FF764880000-0x00007FF764BD4000-memory.dmp

        memory/2844-161-0x00007FF756EC0000-0x00007FF757214000-memory.dmp

        memory/2844-134-0x00007FF756EC0000-0x00007FF757214000-memory.dmp

        memory/2952-143-0x00007FF633B10000-0x00007FF633E64000-memory.dmp

        memory/2952-90-0x00007FF633B10000-0x00007FF633E64000-memory.dmp

        memory/2952-23-0x00007FF633B10000-0x00007FF633E64000-memory.dmp

        memory/2964-154-0x00007FF6DBAE0000-0x00007FF6DBE34000-memory.dmp

        memory/2964-92-0x00007FF6DBAE0000-0x00007FF6DBE34000-memory.dmp

        memory/3704-149-0x00007FF648530000-0x00007FF648884000-memory.dmp

        memory/3704-133-0x00007FF648530000-0x00007FF648884000-memory.dmp

        memory/3704-58-0x00007FF648530000-0x00007FF648884000-memory.dmp

        memory/3916-94-0x00007FF6920C0000-0x00007FF692414000-memory.dmp

        memory/3916-137-0x00007FF6920C0000-0x00007FF692414000-memory.dmp

        memory/3916-155-0x00007FF6920C0000-0x00007FF692414000-memory.dmp

        memory/4084-141-0x00007FF620510000-0x00007FF620864000-memory.dmp

        memory/4084-8-0x00007FF620510000-0x00007FF620864000-memory.dmp

        memory/4084-79-0x00007FF620510000-0x00007FF620864000-memory.dmp

        memory/4140-142-0x00007FF640CB0000-0x00007FF641004000-memory.dmp

        memory/4140-18-0x00007FF640CB0000-0x00007FF641004000-memory.dmp

        memory/4312-62-0x00007FF7BE520000-0x00007FF7BE874000-memory.dmp

        memory/4312-136-0x00007FF7BE520000-0x00007FF7BE874000-memory.dmp

        memory/4312-150-0x00007FF7BE520000-0x00007FF7BE874000-memory.dmp

        memory/4500-140-0x00007FF73EB90000-0x00007FF73EEE4000-memory.dmp

        memory/4500-121-0x00007FF73EB90000-0x00007FF73EEE4000-memory.dmp

        memory/4500-159-0x00007FF73EB90000-0x00007FF73EEE4000-memory.dmp

        memory/4584-30-0x00007FF64E530000-0x00007FF64E884000-memory.dmp

        memory/4584-93-0x00007FF64E530000-0x00007FF64E884000-memory.dmp

        memory/4584-144-0x00007FF64E530000-0x00007FF64E884000-memory.dmp

        memory/4868-111-0x00007FF6FFD70000-0x00007FF7000C4000-memory.dmp

        memory/4868-139-0x00007FF6FFD70000-0x00007FF7000C4000-memory.dmp

        memory/4868-158-0x00007FF6FFD70000-0x00007FF7000C4000-memory.dmp

        memory/5052-61-0x00007FF6933C0000-0x00007FF693714000-memory.dmp

        memory/5052-135-0x00007FF6933C0000-0x00007FF693714000-memory.dmp

        memory/5052-151-0x00007FF6933C0000-0x00007FF693714000-memory.dmp

        memory/5108-87-0x00007FF759390000-0x00007FF7596E4000-memory.dmp

        memory/5108-153-0x00007FF759390000-0x00007FF7596E4000-memory.dmp