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
    01/06/2024, 21:34

General

  • Target
    2024-06-01_8bdd7efaaabf950092bc32ee90d8c2b3_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240601-1evpwsgc75
  • SHA256 f3ab8598832259532a48345e9e310900ee8fa14f4742faad75098b81ef2db705
  • 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\2024-06-01_8bdd7efaaabf950092bc32ee90d8c2b3_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_8bdd7efaaabf950092bc32ee90d8c2b3_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4832
    • C:\Windows\System\XVipaxA.exe
      C:\Windows\System\XVipaxA.exe
      2⤵
      • Executes dropped EXE
      PID:4480
    • C:\Windows\System\BtYFqyO.exe
      C:\Windows\System\BtYFqyO.exe
      2⤵
      • Executes dropped EXE
      PID:2600
    • C:\Windows\System\ewwYHLQ.exe
      C:\Windows\System\ewwYHLQ.exe
      2⤵
      • Executes dropped EXE
      PID:2180
    • C:\Windows\System\yYWzavP.exe
      C:\Windows\System\yYWzavP.exe
      2⤵
      • Executes dropped EXE
      PID:3132
    • C:\Windows\System\wcYZpKH.exe
      C:\Windows\System\wcYZpKH.exe
      2⤵
      • Executes dropped EXE
      PID:2684
    • C:\Windows\System\SsLpqhi.exe
      C:\Windows\System\SsLpqhi.exe
      2⤵
      • Executes dropped EXE
      PID:3664
    • C:\Windows\System\TzXDBxJ.exe
      C:\Windows\System\TzXDBxJ.exe
      2⤵
      • Executes dropped EXE
      PID:2108
    • C:\Windows\System\fUbKPPN.exe
      C:\Windows\System\fUbKPPN.exe
      2⤵
      • Executes dropped EXE
      PID:4396
    • C:\Windows\System\pGVnvDG.exe
      C:\Windows\System\pGVnvDG.exe
      2⤵
      • Executes dropped EXE
      PID:3216
    • C:\Windows\System\QhXIWrz.exe
      C:\Windows\System\QhXIWrz.exe
      2⤵
      • Executes dropped EXE
      PID:948
    • C:\Windows\System\jnDBytx.exe
      C:\Windows\System\jnDBytx.exe
      2⤵
      • Executes dropped EXE
      PID:4492
    • C:\Windows\System\Slhkgiz.exe
      C:\Windows\System\Slhkgiz.exe
      2⤵
      • Executes dropped EXE
      PID:1900
    • C:\Windows\System\rxKGhTP.exe
      C:\Windows\System\rxKGhTP.exe
      2⤵
      • Executes dropped EXE
      PID:2252
    • C:\Windows\System\EhqttgR.exe
      C:\Windows\System\EhqttgR.exe
      2⤵
      • Executes dropped EXE
      PID:4040
    • C:\Windows\System\rxpErUp.exe
      C:\Windows\System\rxpErUp.exe
      2⤵
      • Executes dropped EXE
      PID:2352
    • C:\Windows\System\CHARGft.exe
      C:\Windows\System\CHARGft.exe
      2⤵
      • Executes dropped EXE
      PID:4904
    • C:\Windows\System\wFRyvdq.exe
      C:\Windows\System\wFRyvdq.exe
      2⤵
      • Executes dropped EXE
      PID:3260
    • C:\Windows\System\mnJHQuW.exe
      C:\Windows\System\mnJHQuW.exe
      2⤵
      • Executes dropped EXE
      PID:2340
    • C:\Windows\System\njpTRYK.exe
      C:\Windows\System\njpTRYK.exe
      2⤵
      • Executes dropped EXE
      PID:2524
    • C:\Windows\System\jzPIyIb.exe
      C:\Windows\System\jzPIyIb.exe
      2⤵
      • Executes dropped EXE
      PID:3248
    • C:\Windows\System\rmYByLv.exe
      C:\Windows\System\rmYByLv.exe
      2⤵
      • Executes dropped EXE
      PID:4572
  • 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=4100 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2908

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          BtYFqyO.exe

          • Path C:\Windows\System\BtYFqyO.exe
          • Size 5.9MB
          • SHA256 402f781c153df3bdcfdcdea5359ea7b54aa6b34cd62a7953302e539ce51d25b3
          • MD5 SHA1 SHA512 SSDEEP

          CHARGft.exe

          • Path C:\Windows\System\CHARGft.exe
          • Size 5.9MB
          • SHA256 d1de64c4bb1fd7ccc60707858ffc6aa10d9a7a301ff6b728cd1b66593e246655
          • MD5 SHA1 SHA512 SSDEEP

          EhqttgR.exe

          • Path C:\Windows\System\EhqttgR.exe
          • Size 5.9MB
          • SHA256 f7c7b259ea3f00ac4d500c030d641c20c5a297c2745bff3144a09076ca228264
          • MD5 SHA1 SHA512 SSDEEP

          QhXIWrz.exe

          • Path C:\Windows\System\QhXIWrz.exe
          • Size 5.9MB
          • SHA256 75067ecb6f71d711a9f3eef1cd7a126e2e6f266cdc01b77bbb9cbed2d15c07f8
          • MD5 SHA1 SHA512 SSDEEP

          Slhkgiz.exe

          • Path C:\Windows\System\Slhkgiz.exe
          • Size 5.9MB
          • SHA256 20f128eeb947cea6192bcbd2b8b8d8085a3867b06ef38103c576f8e4f8f02878
          • MD5 SHA1 SHA512 SSDEEP

          SsLpqhi.exe

          • Path C:\Windows\System\SsLpqhi.exe
          • Size 5.9MB
          • SHA256 b5577df9d3f27866cbc0155a71730eb9dbdb33e60d992434fd2ade9542dea2b9
          • MD5 SHA1 SHA512 SSDEEP

          TzXDBxJ.exe

          • Path C:\Windows\System\TzXDBxJ.exe
          • Size 5.9MB
          • SHA256 74cb19cbfc7ac70ae07278614de5da3be5af55466298bd0f9f90a34338d8e349
          • MD5 SHA1 SHA512 SSDEEP

          XVipaxA.exe

          • Path C:\Windows\System\XVipaxA.exe
          • Size 5.9MB
          • SHA256 20cad935a5c3aa454902b52bf7ffde62f5cd8fecf2373a633c254819db354e8f
          • MD5 SHA1 SHA512 SSDEEP

          ewwYHLQ.exe

          • Path C:\Windows\System\ewwYHLQ.exe
          • Size 5.9MB
          • SHA256 3796f081febcfba56b9fa8b7b43f8e63247e132bf1f213674d8fc9bbbc184a7d
          • MD5 SHA1 SHA512 SSDEEP

          fUbKPPN.exe

          • Path C:\Windows\System\fUbKPPN.exe
          • Size 5.9MB
          • SHA256 28faa743818978a6d87c75cfa0dca0aa2f16a182e7a8419f9244cc2016e06749
          • MD5 SHA1 SHA512 SSDEEP

          jnDBytx.exe

          • Path C:\Windows\System\jnDBytx.exe
          • Size 5.9MB
          • SHA256 c6255ef648b817461d41d9cf96f0d9427f7c223d904d86fd99d17a6b3f66b3cc
          • MD5 SHA1 SHA512 SSDEEP

          jzPIyIb.exe

          • Path C:\Windows\System\jzPIyIb.exe
          • Size 5.9MB
          • SHA256 c60732ecf627be3c5f8917b62f5ca8672d4509adb2b6c5c04f26db4420864c5b
          • MD5 SHA1 SHA512 SSDEEP

          mnJHQuW.exe

          • Path C:\Windows\System\mnJHQuW.exe
          • Size 5.9MB
          • SHA256 274190b8481bd0b61946c695f23b27ed7c6c06cda657abac8f61ce31809ef67a
          • MD5 SHA1 SHA512 SSDEEP

          njpTRYK.exe

          • Path C:\Windows\System\njpTRYK.exe
          • Size 5.9MB
          • SHA256 c6d27cec42e51eec19178978c23290dcfb2455d5eae37a9e8f103c8a00bf8406
          • MD5 SHA1 SHA512 SSDEEP

          pGVnvDG.exe

          • Path C:\Windows\System\pGVnvDG.exe
          • Size 5.9MB
          • SHA256 7f12410cd412794c96f7c0c727c2cbaad07f5773908d868f3c5034ceb27e0bc0
          • MD5 SHA1 SHA512 SSDEEP

          rmYByLv.exe

          • Path C:\Windows\System\rmYByLv.exe
          • Size 5.9MB
          • SHA256 a34aee372a9f4fa89766ba819cb1314cba03057f82f39f06bade2cb5647b771a
          • MD5 SHA1 SHA512 SSDEEP

          rxKGhTP.exe

          • Path C:\Windows\System\rxKGhTP.exe
          • Size 5.9MB
          • SHA256 195e343563072b95496af886f9f1776c38daf03d22bc9f46e010672fb5da494b
          • MD5 SHA1 SHA512 SSDEEP

          rxpErUp.exe

          • Path C:\Windows\System\rxpErUp.exe
          • Size 5.9MB
          • SHA256 f9dd515a59b8a069f004d9f5cf15659b1476855ae482730db2e27edf549c6fd2
          • MD5 SHA1 SHA512 SSDEEP

          wFRyvdq.exe

          • Path C:\Windows\System\wFRyvdq.exe
          • Size 5.9MB
          • SHA256 8f541aeb96f847fc85804a09bf132aa41c6178efe70411d7bebec12b133544da
          • MD5 SHA1 SHA512 SSDEEP

          wcYZpKH.exe

          • Path C:\Windows\System\wcYZpKH.exe
          • Size 5.9MB
          • SHA256 6877344fb0daec91d69b43324660d7b0acc18de133441a95072786530efaf494
          • MD5 SHA1 SHA512 SSDEEP

          yYWzavP.exe

          • Path C:\Windows\System\yYWzavP.exe
          • Size 5.9MB
          • SHA256 46da39f0937a918780cde2c2250cb290a8c49314c937b705caf42dfa72ae6051
          • MD5 SHA1 SHA512 SSDEEP

          memory/948-145-0x00007FF7221E0000-0x00007FF722534000-memory.dmp

          memory/948-66-0x00007FF7221E0000-0x00007FF722534000-memory.dmp

          memory/1900-76-0x00007FF732390000-0x00007FF7326E4000-memory.dmp

          memory/1900-147-0x00007FF732390000-0x00007FF7326E4000-memory.dmp

          memory/2108-142-0x00007FF729CA0000-0x00007FF729FF4000-memory.dmp

          memory/2108-46-0x00007FF729CA0000-0x00007FF729FF4000-memory.dmp

          memory/2180-20-0x00007FF74C7E0000-0x00007FF74CB34000-memory.dmp

          memory/2180-137-0x00007FF74C7E0000-0x00007FF74CB34000-memory.dmp

          memory/2180-81-0x00007FF74C7E0000-0x00007FF74CB34000-memory.dmp

          memory/2252-83-0x00007FF754EE0000-0x00007FF755234000-memory.dmp

          memory/2252-148-0x00007FF754EE0000-0x00007FF755234000-memory.dmp

          memory/2340-129-0x00007FF70FD10000-0x00007FF710064000-memory.dmp

          memory/2340-152-0x00007FF70FD10000-0x00007FF710064000-memory.dmp

          memory/2352-150-0x00007FF6E6790000-0x00007FF6E6AE4000-memory.dmp

          memory/2352-99-0x00007FF6E6790000-0x00007FF6E6AE4000-memory.dmp

          memory/2352-141-0x00007FF6E6790000-0x00007FF6E6AE4000-memory.dmp

          memory/2524-130-0x00007FF6E32A0000-0x00007FF6E35F4000-memory.dmp

          memory/2524-153-0x00007FF6E32A0000-0x00007FF6E35F4000-memory.dmp

          memory/2600-136-0x00007FF65B710000-0x00007FF65BA64000-memory.dmp

          memory/2600-75-0x00007FF65B710000-0x00007FF65BA64000-memory.dmp

          memory/2600-14-0x00007FF65B710000-0x00007FF65BA64000-memory.dmp

          memory/2684-139-0x00007FF658590000-0x00007FF6588E4000-memory.dmp

          memory/2684-32-0x00007FF658590000-0x00007FF6588E4000-memory.dmp

          memory/3132-87-0x00007FF737990000-0x00007FF737CE4000-memory.dmp

          memory/3132-25-0x00007FF737990000-0x00007FF737CE4000-memory.dmp

          memory/3132-138-0x00007FF737990000-0x00007FF737CE4000-memory.dmp

          memory/3216-144-0x00007FF7558D0000-0x00007FF755C24000-memory.dmp

          memory/3216-58-0x00007FF7558D0000-0x00007FF755C24000-memory.dmp

          memory/3248-131-0x00007FF6DF830000-0x00007FF6DFB84000-memory.dmp

          memory/3248-156-0x00007FF6DF830000-0x00007FF6DFB84000-memory.dmp

          memory/3260-128-0x00007FF777EB0000-0x00007FF778204000-memory.dmp

          memory/3260-151-0x00007FF777EB0000-0x00007FF778204000-memory.dmp

          memory/3664-96-0x00007FF74E270000-0x00007FF74E5C4000-memory.dmp

          memory/3664-38-0x00007FF74E270000-0x00007FF74E5C4000-memory.dmp

          memory/3664-140-0x00007FF74E270000-0x00007FF74E5C4000-memory.dmp

          memory/4040-134-0x00007FF635350000-0x00007FF6356A4000-memory.dmp

          memory/4040-93-0x00007FF635350000-0x00007FF6356A4000-memory.dmp

          memory/4040-149-0x00007FF635350000-0x00007FF6356A4000-memory.dmp

          memory/4396-55-0x00007FF67C2C0000-0x00007FF67C614000-memory.dmp

          memory/4396-143-0x00007FF67C2C0000-0x00007FF67C614000-memory.dmp

          memory/4480-8-0x00007FF64C2D0000-0x00007FF64C624000-memory.dmp

          memory/4480-135-0x00007FF64C2D0000-0x00007FF64C624000-memory.dmp

          memory/4492-69-0x00007FF758A30000-0x00007FF758D84000-memory.dmp

          memory/4492-146-0x00007FF758A30000-0x00007FF758D84000-memory.dmp

          memory/4492-133-0x00007FF758A30000-0x00007FF758D84000-memory.dmp

          memory/4572-132-0x00007FF6CD700000-0x00007FF6CDA54000-memory.dmp

          memory/4572-155-0x00007FF6CD700000-0x00007FF6CDA54000-memory.dmp

          memory/4832-1-0x0000027899550000-0x0000027899560000-memory.dmp

          memory/4832-63-0x00007FF7D21D0000-0x00007FF7D2524000-memory.dmp

          memory/4832-0-0x00007FF7D21D0000-0x00007FF7D2524000-memory.dmp

          memory/4904-154-0x00007FF639230000-0x00007FF639584000-memory.dmp

          memory/4904-125-0x00007FF639230000-0x00007FF639584000-memory.dmp