Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/05/2024, 02:06

General

  • Target
    2024-05-27_dbdb46463a64e885d36daf22f44f3e93_cobalt-strike_cobaltstrike.exe
  • Size 5.2MB
  • Sample240527-cjhdcsce2y
  • SHA256 6ab2aaad508b8ccf96101fdbcee0f6fb02b6d33b292a2da73c5834b943bcd690
  • 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 45 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\2024-05-27_dbdb46463a64e885d36daf22f44f3e93_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-27_dbdb46463a64e885d36daf22f44f3e93_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:824
    • C:\Windows\System\fVKCyBj.exe
      C:\Windows\System\fVKCyBj.exe
      2⤵
      • Executes dropped EXE
      PID:2128
    • C:\Windows\System\HLVcAcX.exe
      C:\Windows\System\HLVcAcX.exe
      2⤵
      • Executes dropped EXE
      PID:3264
    • C:\Windows\System\oOEXFsG.exe
      C:\Windows\System\oOEXFsG.exe
      2⤵
      • Executes dropped EXE
      PID:1920
    • C:\Windows\System\SDsXGXi.exe
      C:\Windows\System\SDsXGXi.exe
      2⤵
      • Executes dropped EXE
      PID:2612
    • C:\Windows\System\RuFlsmO.exe
      C:\Windows\System\RuFlsmO.exe
      2⤵
      • Executes dropped EXE
      PID:2352
    • C:\Windows\System\DnGPQBr.exe
      C:\Windows\System\DnGPQBr.exe
      2⤵
      • Executes dropped EXE
      PID:4668
    • C:\Windows\System\EoNAvHi.exe
      C:\Windows\System\EoNAvHi.exe
      2⤵
      • Executes dropped EXE
      PID:3084
    • C:\Windows\System\ppsbyIr.exe
      C:\Windows\System\ppsbyIr.exe
      2⤵
      • Executes dropped EXE
      PID:1636
    • C:\Windows\System\VVPALZb.exe
      C:\Windows\System\VVPALZb.exe
      2⤵
      • Executes dropped EXE
      PID:2112
    • C:\Windows\System\znrweZs.exe
      C:\Windows\System\znrweZs.exe
      2⤵
      • Executes dropped EXE
      PID:2928
    • C:\Windows\System\eXifUEA.exe
      C:\Windows\System\eXifUEA.exe
      2⤵
      • Executes dropped EXE
      PID:644
    • C:\Windows\System\bPmyCxe.exe
      C:\Windows\System\bPmyCxe.exe
      2⤵
      • Executes dropped EXE
      PID:3652
    • C:\Windows\System\TNVVsqo.exe
      C:\Windows\System\TNVVsqo.exe
      2⤵
      • Executes dropped EXE
      PID:1136
    • C:\Windows\System\jPNUhGR.exe
      C:\Windows\System\jPNUhGR.exe
      2⤵
      • Executes dropped EXE
      PID:1292
    • C:\Windows\System\gNlGPaH.exe
      C:\Windows\System\gNlGPaH.exe
      2⤵
      • Executes dropped EXE
      PID:1336
    • C:\Windows\System\uIcQPdm.exe
      C:\Windows\System\uIcQPdm.exe
      2⤵
      • Executes dropped EXE
      PID:684
    • C:\Windows\System\YqsdzXh.exe
      C:\Windows\System\YqsdzXh.exe
      2⤵
      • Executes dropped EXE
      PID:1988
    • C:\Windows\System\uuupOPd.exe
      C:\Windows\System\uuupOPd.exe
      2⤵
      • Executes dropped EXE
      PID:4500
    • C:\Windows\System\TXKSSwv.exe
      C:\Windows\System\TXKSSwv.exe
      2⤵
      • Executes dropped EXE
      PID:3544
    • C:\Windows\System\fNtKSho.exe
      C:\Windows\System\fNtKSho.exe
      2⤵
      • Executes dropped EXE
      PID:4636
    • C:\Windows\System\guBELRe.exe
      C:\Windows\System\guBELRe.exe
      2⤵
      • Executes dropped EXE
      PID:924
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4104 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:60

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          DnGPQBr.exe

          • Path C:\Windows\System\DnGPQBr.exe
          • Size 5.2MB
          • SHA256 0d72964f75adf4213ddfa5444e7f3122547fe9f61979d6b49b007855c2d81c90
          • MD5 SHA1 SHA512 SSDEEP

          EoNAvHi.exe

          • Path C:\Windows\System\EoNAvHi.exe
          • Size 5.2MB
          • SHA256 43b4a0824da6e986a881e304d7e93124d76ef2d896dbc977054a62363484c046
          • MD5 SHA1 SHA512 SSDEEP

          HLVcAcX.exe

          • Path C:\Windows\System\HLVcAcX.exe
          • Size 5.2MB
          • SHA256 b5ebba03c718f9ef896919adc7311621fb5eeafe6284b4ac328ccd9cdd892905
          • MD5 SHA1 SHA512 SSDEEP

          RuFlsmO.exe

          • Path C:\Windows\System\RuFlsmO.exe
          • Size 5.2MB
          • SHA256 56ed32ef914146c1b33cf73857ff92525cf72c4dfff5afca7c3e06297920f5d8
          • MD5 SHA1 SHA512 SSDEEP

          SDsXGXi.exe

          • Path C:\Windows\System\SDsXGXi.exe
          • Size 5.2MB
          • SHA256 0d201671223be7a87b614f9658072332aa5cf15d6e764afe5f724e560652a355
          • MD5 SHA1 SHA512 SSDEEP

          TNVVsqo.exe

          • Path C:\Windows\System\TNVVsqo.exe
          • Size 5.2MB
          • SHA256 f77b098b8028d2fc5e51c3da4ccc1bb5b8458430a57ae3512beda00d3802f150
          • MD5 SHA1 SHA512 SSDEEP

          TXKSSwv.exe

          • Path C:\Windows\System\TXKSSwv.exe
          • Size 5.2MB
          • SHA256 ff1c615e5fcbaafc29a5b0bbcae8003018437bdba788878c06a18634bfaeb49d
          • MD5 SHA1 SHA512 SSDEEP

          VVPALZb.exe

          • Path C:\Windows\System\VVPALZb.exe
          • Size 5.2MB
          • SHA256 9099cd5f96e5734cc9f0dbf3782879a66f1416c98d33c9ef1949b5359ef2f950
          • MD5 SHA1 SHA512 SSDEEP

          YqsdzXh.exe

          • Path C:\Windows\System\YqsdzXh.exe
          • Size 5.2MB
          • SHA256 f208083d7f91eda74d05567873294fa6820f8a36fb582677a8ca0640df221d76
          • MD5 SHA1 SHA512 SSDEEP

          bPmyCxe.exe

          • Path C:\Windows\System\bPmyCxe.exe
          • Size 5.2MB
          • SHA256 1f67c42fe31276ac0a5fcf8d8c1d8b3080018031332191f22120f888fb21cfd5
          • MD5 SHA1 SHA512 SSDEEP

          eXifUEA.exe

          • Path C:\Windows\System\eXifUEA.exe
          • Size 5.2MB
          • SHA256 b950c3e96bcaa043f8f019b1691040487bc00f1d8bc5d80898db87e7cb241660
          • MD5 SHA1 SHA512 SSDEEP

          fNtKSho.exe

          • Path C:\Windows\System\fNtKSho.exe
          • Size 5.2MB
          • SHA256 56663d3deebf1b747377c6cc0ebea44d5c22c08641c85da331f1a1fd1c43a96b
          • MD5 SHA1 SHA512 SSDEEP

          fVKCyBj.exe

          • Path C:\Windows\System\fVKCyBj.exe
          • Size 5.2MB
          • SHA256 e35f813728dc7b25a4388efeeedd4c7f20bd0f15ebafef808f0444043d9afd20
          • MD5 SHA1 SHA512 SSDEEP

          gNlGPaH.exe

          • Path C:\Windows\System\gNlGPaH.exe
          • Size 5.2MB
          • SHA256 5043bf5c71956d7b06b94493214b414bdc388db93258000398d7c7583e9db3ed
          • MD5 SHA1 SHA512 SSDEEP

          guBELRe.exe

          • Path C:\Windows\System\guBELRe.exe
          • Size 5.2MB
          • SHA256 fc838349d91197fd9e7b10bb274cbe2e0b83e951c11c0a18f9cceacc6810ff43
          • MD5 SHA1 SHA512 SSDEEP

          jPNUhGR.exe

          • Path C:\Windows\System\jPNUhGR.exe
          • Size 5.2MB
          • SHA256 58a2c2db46e6552ca837a8e6485c91d34c6922cec38b24f5058a82a9f3bc8526
          • MD5 SHA1 SHA512 SSDEEP

          oOEXFsG.exe

          • Path C:\Windows\System\oOEXFsG.exe
          • Size 5.2MB
          • SHA256 4d8549116da2f12bb6b8b85e964a6ade3cd397041a8fa22c826bf24bbe54213b
          • MD5 SHA1 SHA512 SSDEEP

          ppsbyIr.exe

          • Path C:\Windows\System\ppsbyIr.exe
          • Size 5.2MB
          • SHA256 3d10ed4387add5e59b654bc8b1b4b4493faeba79d193e9cdf3d87f2041dc0150
          • MD5 SHA1 SHA512 SSDEEP

          uIcQPdm.exe

          • Path C:\Windows\System\uIcQPdm.exe
          • Size 5.2MB
          • SHA256 f0e431ee9694ac9f9b086036d055959eb56734a510adbd1f200ef8c02128709f
          • MD5 SHA1 SHA512 SSDEEP

          uuupOPd.exe

          • Path C:\Windows\System\uuupOPd.exe
          • Size 5.2MB
          • SHA256 32d3c3d1d744012dd8eb9c5e1133b0aca9a63f5a2430ddc26870f4f837646887
          • MD5 SHA1 SHA512 SSDEEP

          znrweZs.exe

          • Path C:\Windows\System\znrweZs.exe
          • Size 5.2MB
          • SHA256 8b83c870a3b1863c1e5eb8d511765536de82c9176fd4f57a35437e3ae00d0724
          • MD5 SHA1 SHA512 SSDEEP

          memory/644-224-0x00007FF76E1F0000-0x00007FF76E541000-memory.dmp

          memory/644-111-0x00007FF76E1F0000-0x00007FF76E541000-memory.dmp

          memory/684-118-0x00007FF708AA0000-0x00007FF708DF1000-memory.dmp

          memory/684-234-0x00007FF708AA0000-0x00007FF708DF1000-memory.dmp

          memory/824-125-0x00007FF782E40000-0x00007FF783191000-memory.dmp

          memory/824-1-0x000001C261410000-0x000001C261420000-memory.dmp

          memory/824-150-0x00007FF782E40000-0x00007FF783191000-memory.dmp

          memory/824-0-0x00007FF782E40000-0x00007FF783191000-memory.dmp

          memory/824-151-0x00007FF782E40000-0x00007FF783191000-memory.dmp

          memory/924-248-0x00007FF7B7DB0000-0x00007FF7B8101000-memory.dmp

          memory/924-143-0x00007FF7B7DB0000-0x00007FF7B8101000-memory.dmp

          memory/1136-115-0x00007FF7B1290000-0x00007FF7B15E1000-memory.dmp

          memory/1136-228-0x00007FF7B1290000-0x00007FF7B15E1000-memory.dmp

          memory/1292-230-0x00007FF796010000-0x00007FF796361000-memory.dmp

          memory/1292-116-0x00007FF796010000-0x00007FF796361000-memory.dmp

          memory/1336-117-0x00007FF7E9B30000-0x00007FF7E9E81000-memory.dmp

          memory/1336-232-0x00007FF7E9B30000-0x00007FF7E9E81000-memory.dmp

          memory/1636-218-0x00007FF694690000-0x00007FF6949E1000-memory.dmp

          memory/1636-107-0x00007FF694690000-0x00007FF6949E1000-memory.dmp

          memory/1920-205-0x00007FF705220000-0x00007FF705571000-memory.dmp

          memory/1920-130-0x00007FF705220000-0x00007FF705571000-memory.dmp

          memory/1920-18-0x00007FF705220000-0x00007FF705571000-memory.dmp

          memory/1988-119-0x00007FF7108B0000-0x00007FF710C01000-memory.dmp

          memory/1988-238-0x00007FF7108B0000-0x00007FF710C01000-memory.dmp

          memory/2112-109-0x00007FF7D2F10000-0x00007FF7D3261000-memory.dmp

          memory/2112-220-0x00007FF7D2F10000-0x00007FF7D3261000-memory.dmp

          memory/2128-201-0x00007FF7FAC40000-0x00007FF7FAF91000-memory.dmp

          memory/2128-7-0x00007FF7FAC40000-0x00007FF7FAF91000-memory.dmp

          memory/2128-126-0x00007FF7FAC40000-0x00007FF7FAF91000-memory.dmp

          memory/2352-29-0x00007FF745450000-0x00007FF7457A1000-memory.dmp

          memory/2352-209-0x00007FF745450000-0x00007FF7457A1000-memory.dmp

          memory/2352-132-0x00007FF745450000-0x00007FF7457A1000-memory.dmp

          memory/2612-26-0x00007FF681A90000-0x00007FF681DE1000-memory.dmp

          memory/2612-207-0x00007FF681A90000-0x00007FF681DE1000-memory.dmp

          memory/2928-110-0x00007FF6606F0000-0x00007FF660A41000-memory.dmp

          memory/2928-222-0x00007FF6606F0000-0x00007FF660A41000-memory.dmp

          memory/3084-216-0x00007FF645450000-0x00007FF6457A1000-memory.dmp

          memory/3084-104-0x00007FF645450000-0x00007FF6457A1000-memory.dmp

          memory/3264-203-0x00007FF75FF20000-0x00007FF760271000-memory.dmp

          memory/3264-14-0x00007FF75FF20000-0x00007FF760271000-memory.dmp

          memory/3544-242-0x00007FF6553F0000-0x00007FF655741000-memory.dmp

          memory/3544-121-0x00007FF6553F0000-0x00007FF655741000-memory.dmp

          memory/3652-226-0x00007FF7EC910000-0x00007FF7ECC61000-memory.dmp

          memory/3652-114-0x00007FF7EC910000-0x00007FF7ECC61000-memory.dmp

          memory/4500-240-0x00007FF7025D0000-0x00007FF702921000-memory.dmp

          memory/4500-120-0x00007FF7025D0000-0x00007FF702921000-memory.dmp

          memory/4636-122-0x00007FF6E8740000-0x00007FF6E8A91000-memory.dmp

          memory/4636-244-0x00007FF6E8740000-0x00007FF6E8A91000-memory.dmp

          memory/4668-38-0x00007FF7CE970000-0x00007FF7CECC1000-memory.dmp

          memory/4668-211-0x00007FF7CE970000-0x00007FF7CECC1000-memory.dmp