Analysis

  • max time kernel
    142s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/05/2024, 19:37

General

  • Target
    2024-05-31_8cff0ef27147f93ad8f3e609624fc04c_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240531-yb2ypabe79
  • SHA256 3838b4b1f192ca58fab79211267cc2ff8adc19e4f3cb9c6302411fc31b36e81e
  • 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_8cff0ef27147f93ad8f3e609624fc04c_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-31_8cff0ef27147f93ad8f3e609624fc04c_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4896
    • C:\Windows\System\wIJIrQg.exe
      C:\Windows\System\wIJIrQg.exe
      2⤵
      • Executes dropped EXE
      PID:4204
    • C:\Windows\System\XBlWuYg.exe
      C:\Windows\System\XBlWuYg.exe
      2⤵
      • Executes dropped EXE
      PID:4400
    • C:\Windows\System\KWSFCmY.exe
      C:\Windows\System\KWSFCmY.exe
      2⤵
      • Executes dropped EXE
      PID:3496
    • C:\Windows\System\CpTzhFV.exe
      C:\Windows\System\CpTzhFV.exe
      2⤵
      • Executes dropped EXE
      PID:3312
    • C:\Windows\System\mzuJtYK.exe
      C:\Windows\System\mzuJtYK.exe
      2⤵
      • Executes dropped EXE
      PID:4168
    • C:\Windows\System\APzMBCc.exe
      C:\Windows\System\APzMBCc.exe
      2⤵
      • Executes dropped EXE
      PID:1284
    • C:\Windows\System\RTLQGPr.exe
      C:\Windows\System\RTLQGPr.exe
      2⤵
      • Executes dropped EXE
      PID:4848
    • C:\Windows\System\QcAqoaa.exe
      C:\Windows\System\QcAqoaa.exe
      2⤵
      • Executes dropped EXE
      PID:1504
    • C:\Windows\System\ZEStXmE.exe
      C:\Windows\System\ZEStXmE.exe
      2⤵
      • Executes dropped EXE
      PID:796
    • C:\Windows\System\UVuPIVc.exe
      C:\Windows\System\UVuPIVc.exe
      2⤵
      • Executes dropped EXE
      PID:3484
    • C:\Windows\System\kVXvzpw.exe
      C:\Windows\System\kVXvzpw.exe
      2⤵
      • Executes dropped EXE
      PID:1772
    • C:\Windows\System\SxbgNmV.exe
      C:\Windows\System\SxbgNmV.exe
      2⤵
      • Executes dropped EXE
      PID:844
    • C:\Windows\System\jcegJhM.exe
      C:\Windows\System\jcegJhM.exe
      2⤵
      • Executes dropped EXE
      PID:3784
    • C:\Windows\System\AdapZDy.exe
      C:\Windows\System\AdapZDy.exe
      2⤵
      • Executes dropped EXE
      PID:3804
    • C:\Windows\System\GDDQDRo.exe
      C:\Windows\System\GDDQDRo.exe
      2⤵
      • Executes dropped EXE
      PID:1456
    • C:\Windows\System\TLdtTeM.exe
      C:\Windows\System\TLdtTeM.exe
      2⤵
      • Executes dropped EXE
      PID:4000
    • C:\Windows\System\JaZFsmm.exe
      C:\Windows\System\JaZFsmm.exe
      2⤵
      • Executes dropped EXE
      PID:3624
    • C:\Windows\System\eGbkvDZ.exe
      C:\Windows\System\eGbkvDZ.exe
      2⤵
      • Executes dropped EXE
      PID:3872
    • C:\Windows\System\GKQUYPP.exe
      C:\Windows\System\GKQUYPP.exe
      2⤵
      • Executes dropped EXE
      PID:3480
    • C:\Windows\System\DMMhLdI.exe
      C:\Windows\System\DMMhLdI.exe
      2⤵
      • Executes dropped EXE
      PID:4560
    • C:\Windows\System\ljqzGHP.exe
      C:\Windows\System\ljqzGHP.exe
      2⤵
      • Executes dropped EXE
      PID:4576
  • 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=3704 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:848

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          APzMBCc.exe

          • Path C:\Windows\System\APzMBCc.exe
          • Size 5.9MB
          • SHA256 c65d3a1b6a020ed7e08176a99bce4057eb17e0cddb0f55026d7c2540ddb5a678
          • MD5 SHA1 SHA512 SSDEEP

          AdapZDy.exe

          • Path C:\Windows\System\AdapZDy.exe
          • Size 5.9MB
          • SHA256 bff65507e056c88f52a4696841716ada562f8e0860435a7a055b84c477646a6e
          • MD5 SHA1 SHA512 SSDEEP

          CpTzhFV.exe

          • Path C:\Windows\System\CpTzhFV.exe
          • Size 5.9MB
          • SHA256 54d5ce27f605e8ace2e4415a6491346b5fe47788f58475d10b7ab5d80e9f0747
          • MD5 SHA1 SHA512 SSDEEP

          DMMhLdI.exe

          • Path C:\Windows\System\DMMhLdI.exe
          • Size 5.9MB
          • SHA256 6fe5ce99915108771849785386eba791e0860e190e9b89fdbadd6f10fab8762c
          • MD5 SHA1 SHA512 SSDEEP

          GDDQDRo.exe

          • Path C:\Windows\System\GDDQDRo.exe
          • Size 5.9MB
          • SHA256 3cf03bfc625e74b0549191640a9eab1ce6a305c0f89d7aa2ee3f2f1e2f27988c
          • MD5 SHA1 SHA512 SSDEEP

          GKQUYPP.exe

          • Path C:\Windows\System\GKQUYPP.exe
          • Size 5.9MB
          • SHA256 e0bafd0317b538589ac68bb98664183c91a2c98bfa2b3fb0e81e69f43bbd8be7
          • MD5 SHA1 SHA512 SSDEEP

          JaZFsmm.exe

          • Path C:\Windows\System\JaZFsmm.exe
          • Size 5.9MB
          • SHA256 65f544b8a8689fbe1ece23c84f3701cdf15d891b8286cdd0206d34fb76631e74
          • MD5 SHA1 SHA512 SSDEEP

          KWSFCmY.exe

          • Path C:\Windows\System\KWSFCmY.exe
          • Size 5.9MB
          • SHA256 7ea609b4ebebb3bbbac96449e368785f3093706a357bbf3260b230d467077e66
          • MD5 SHA1 SHA512 SSDEEP

          QcAqoaa.exe

          • Path C:\Windows\System\QcAqoaa.exe
          • Size 5.9MB
          • SHA256 a4d5361c221eb07696bcd482f163dfacb57e5e57cc4e7f98e5d73a28d31a0bac
          • MD5 SHA1 SHA512 SSDEEP

          RTLQGPr.exe

          • Path C:\Windows\System\RTLQGPr.exe
          • Size 5.9MB
          • SHA256 197f05179b86c03d74c0c7ed1d790bf9d9da09a2eca0b5789e67a7505b8ca65d
          • MD5 SHA1 SHA512 SSDEEP

          SxbgNmV.exe

          • Path C:\Windows\System\SxbgNmV.exe
          • Size 5.9MB
          • SHA256 5b50f1dc6e1309e23bc51c258566a65672f4bb6f8fb55efd5941bdb4eb0f241b
          • MD5 SHA1 SHA512 SSDEEP

          TLdtTeM.exe

          • Path C:\Windows\System\TLdtTeM.exe
          • Size 5.9MB
          • SHA256 3e44f8f5d4281abbb6a14501aa39fc17a0259b69ac495a2c59058cb18535805e
          • MD5 SHA1 SHA512 SSDEEP

          UVuPIVc.exe

          • Path C:\Windows\System\UVuPIVc.exe
          • Size 5.9MB
          • SHA256 576572c2c0c3a2a01e5f813a138c0a3338f19982f0c6af74bc090c2e9a45f86b
          • MD5 SHA1 SHA512 SSDEEP

          XBlWuYg.exe

          • Path C:\Windows\System\XBlWuYg.exe
          • Size 5.9MB
          • SHA256 346cd074edea2361ef83b2ec17bd17e7efb00c4fa114987661083a037745cbda
          • MD5 SHA1 SHA512 SSDEEP

          ZEStXmE.exe

          • Path C:\Windows\System\ZEStXmE.exe
          • Size 5.9MB
          • SHA256 3d483a0674df64d11f78c27c0ce5e019053f6810f69e513422cfc5e9fa63d794
          • MD5 SHA1 SHA512 SSDEEP

          eGbkvDZ.exe

          • Path C:\Windows\System\eGbkvDZ.exe
          • Size 5.9MB
          • SHA256 13cf4e626b1871910ecace47878c61dfe78a142345d3380f9dbbfcf554272698
          • MD5 SHA1 SHA512 SSDEEP

          jcegJhM.exe

          • Path C:\Windows\System\jcegJhM.exe
          • Size 5.9MB
          • SHA256 8b6024dacf7dc40d21cf7ddaa3e6f07a1904058d44a889e0611f26ff4067d7d0
          • MD5 SHA1 SHA512 SSDEEP

          kVXvzpw.exe

          • Path C:\Windows\System\kVXvzpw.exe
          • Size 5.9MB
          • SHA256 e8394474b386953899b6cf474ce6cc7bece78a3e5b03c806da292f447d4dffe3
          • MD5 SHA1 SHA512 SSDEEP

          ljqzGHP.exe

          • Path C:\Windows\System\ljqzGHP.exe
          • Size 5.9MB
          • SHA256 75ea04c6b79b2172e311e7b574d05832a4fb3c5485dcaceb8448986d5d722556
          • MD5 SHA1 SHA512 SSDEEP

          mzuJtYK.exe

          • Path C:\Windows\System\mzuJtYK.exe
          • Size 5.9MB
          • SHA256 a7b0e4c954ee546f60b1ea7259606c9e60b09cd9086c9c3b1e9dd454fac5c5a1
          • MD5 SHA1 SHA512 SSDEEP

          wIJIrQg.exe

          • Path C:\Windows\System\wIJIrQg.exe
          • Size 5.9MB
          • SHA256 efc046f756857c7c96c820e08f8eec7c0672a4015da956dbdda7012fbd5ef3b6
          • MD5 SHA1 SHA512 SSDEEP

          memory/796-142-0x00007FF654E60000-0x00007FF6551B4000-memory.dmp

          memory/796-56-0x00007FF654E60000-0x00007FF6551B4000-memory.dmp

          memory/844-144-0x00007FF7A3DC0000-0x00007FF7A4114000-memory.dmp

          memory/844-106-0x00007FF7A3DC0000-0x00007FF7A4114000-memory.dmp

          memory/1284-38-0x00007FF74DAD0000-0x00007FF74DE24000-memory.dmp

          memory/1284-139-0x00007FF74DAD0000-0x00007FF74DE24000-memory.dmp

          memory/1456-114-0x00007FF762920000-0x00007FF762C74000-memory.dmp

          memory/1456-147-0x00007FF762920000-0x00007FF762C74000-memory.dmp

          memory/1504-50-0x00007FF79D210000-0x00007FF79D564000-memory.dmp

          memory/1504-141-0x00007FF79D210000-0x00007FF79D564000-memory.dmp

          memory/1504-132-0x00007FF79D210000-0x00007FF79D564000-memory.dmp

          memory/1772-69-0x00007FF6C4180000-0x00007FF6C44D4000-memory.dmp

          memory/1772-133-0x00007FF6C4180000-0x00007FF6C44D4000-memory.dmp

          memory/1772-150-0x00007FF6C4180000-0x00007FF6C44D4000-memory.dmp

          memory/3312-26-0x00007FF71C2A0000-0x00007FF71C5F4000-memory.dmp

          memory/3312-137-0x00007FF71C2A0000-0x00007FF71C5F4000-memory.dmp

          memory/3480-118-0x00007FF73B860000-0x00007FF73BBB4000-memory.dmp

          memory/3480-152-0x00007FF73B860000-0x00007FF73BBB4000-memory.dmp

          memory/3484-143-0x00007FF75AAC0000-0x00007FF75AE14000-memory.dmp

          memory/3484-66-0x00007FF75AAC0000-0x00007FF75AE14000-memory.dmp

          memory/3496-136-0x00007FF7BB110000-0x00007FF7BB464000-memory.dmp

          memory/3496-20-0x00007FF7BB110000-0x00007FF7BB464000-memory.dmp

          memory/3624-116-0x00007FF71A690000-0x00007FF71A9E4000-memory.dmp

          memory/3624-149-0x00007FF71A690000-0x00007FF71A9E4000-memory.dmp

          memory/3784-145-0x00007FF768CB0000-0x00007FF769004000-memory.dmp

          memory/3784-110-0x00007FF768CB0000-0x00007FF769004000-memory.dmp

          memory/3804-111-0x00007FF7C7BF0000-0x00007FF7C7F44000-memory.dmp

          memory/3804-146-0x00007FF7C7BF0000-0x00007FF7C7F44000-memory.dmp

          memory/3872-117-0x00007FF73D410000-0x00007FF73D764000-memory.dmp

          memory/3872-151-0x00007FF73D410000-0x00007FF73D764000-memory.dmp

          memory/4000-115-0x00007FF70F130000-0x00007FF70F484000-memory.dmp

          memory/4000-148-0x00007FF70F130000-0x00007FF70F484000-memory.dmp

          memory/4168-130-0x00007FF6C13D0000-0x00007FF6C1724000-memory.dmp

          memory/4168-138-0x00007FF6C13D0000-0x00007FF6C1724000-memory.dmp

          memory/4168-30-0x00007FF6C13D0000-0x00007FF6C1724000-memory.dmp

          memory/4204-134-0x00007FF6A8460000-0x00007FF6A87B4000-memory.dmp

          memory/4204-7-0x00007FF6A8460000-0x00007FF6A87B4000-memory.dmp

          memory/4204-67-0x00007FF6A8460000-0x00007FF6A87B4000-memory.dmp

          memory/4400-14-0x00007FF62F8B0000-0x00007FF62FC04000-memory.dmp

          memory/4400-135-0x00007FF62F8B0000-0x00007FF62FC04000-memory.dmp

          memory/4560-128-0x00007FF72FF00000-0x00007FF730254000-memory.dmp

          memory/4560-153-0x00007FF72FF00000-0x00007FF730254000-memory.dmp

          memory/4576-129-0x00007FF697C20000-0x00007FF697F74000-memory.dmp

          memory/4576-154-0x00007FF697C20000-0x00007FF697F74000-memory.dmp

          memory/4848-44-0x00007FF6297C0000-0x00007FF629B14000-memory.dmp

          memory/4848-140-0x00007FF6297C0000-0x00007FF629B14000-memory.dmp

          memory/4848-131-0x00007FF6297C0000-0x00007FF629B14000-memory.dmp

          memory/4896-0-0x00007FF759EB0000-0x00007FF75A204000-memory.dmp

          memory/4896-62-0x00007FF759EB0000-0x00007FF75A204000-memory.dmp

          memory/4896-1-0x000002CEAEBE0000-0x000002CEAEBF0000-memory.dmp