Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 12:58

General

  • Target
    2024-06-02_bc3479ba05efb1bf7760b4353b6506d3_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240602-p71wtsdg72
  • SHA256 a174c4d047964959f39b4a8a48c2fe60b3c850d3718c616aa90d9df0459cdf1b
  • 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_bc3479ba05efb1bf7760b4353b6506d3_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-02_bc3479ba05efb1bf7760b4353b6506d3_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Windows\System\sZbRGPf.exe
      C:\Windows\System\sZbRGPf.exe
      2⤵
      • Executes dropped EXE
      PID:1116
    • C:\Windows\System\OLmaFnh.exe
      C:\Windows\System\OLmaFnh.exe
      2⤵
      • Executes dropped EXE
      PID:2612
    • C:\Windows\System\NjUXiFr.exe
      C:\Windows\System\NjUXiFr.exe
      2⤵
      • Executes dropped EXE
      PID:4012
    • C:\Windows\System\eopYwqj.exe
      C:\Windows\System\eopYwqj.exe
      2⤵
      • Executes dropped EXE
      PID:2576
    • C:\Windows\System\TXsdpug.exe
      C:\Windows\System\TXsdpug.exe
      2⤵
      • Executes dropped EXE
      PID:412
    • C:\Windows\System\SJZLetr.exe
      C:\Windows\System\SJZLetr.exe
      2⤵
      • Executes dropped EXE
      PID:2716
    • C:\Windows\System\YqYXvHS.exe
      C:\Windows\System\YqYXvHS.exe
      2⤵
      • Executes dropped EXE
      PID:2084
    • C:\Windows\System\BHfdQzo.exe
      C:\Windows\System\BHfdQzo.exe
      2⤵
      • Executes dropped EXE
      PID:2564
    • C:\Windows\System\qkXUhrS.exe
      C:\Windows\System\qkXUhrS.exe
      2⤵
      • Executes dropped EXE
      PID:3336
    • C:\Windows\System\LbTqgHD.exe
      C:\Windows\System\LbTqgHD.exe
      2⤵
      • Executes dropped EXE
      PID:1648
    • C:\Windows\System\lQqUVKV.exe
      C:\Windows\System\lQqUVKV.exe
      2⤵
      • Executes dropped EXE
      PID:4088
    • C:\Windows\System\uOkvRmp.exe
      C:\Windows\System\uOkvRmp.exe
      2⤵
      • Executes dropped EXE
      PID:440
    • C:\Windows\System\UrXtFNW.exe
      C:\Windows\System\UrXtFNW.exe
      2⤵
      • Executes dropped EXE
      PID:2156
    • C:\Windows\System\JSTtWRZ.exe
      C:\Windows\System\JSTtWRZ.exe
      2⤵
      • Executes dropped EXE
      PID:1580
    • C:\Windows\System\LLhpHkB.exe
      C:\Windows\System\LLhpHkB.exe
      2⤵
      • Executes dropped EXE
      PID:3892
    • C:\Windows\System\xMXfeBu.exe
      C:\Windows\System\xMXfeBu.exe
      2⤵
      • Executes dropped EXE
      PID:4596
    • C:\Windows\System\oMbyGAT.exe
      C:\Windows\System\oMbyGAT.exe
      2⤵
      • Executes dropped EXE
      PID:4184
    • C:\Windows\System\NUYQDYV.exe
      C:\Windows\System\NUYQDYV.exe
      2⤵
      • Executes dropped EXE
      PID:4844
    • C:\Windows\System\ngIpZep.exe
      C:\Windows\System\ngIpZep.exe
      2⤵
      • Executes dropped EXE
      PID:4336
    • C:\Windows\System\ElYhFXM.exe
      C:\Windows\System\ElYhFXM.exe
      2⤵
      • Executes dropped EXE
      PID:2816
    • C:\Windows\System\MXClFIE.exe
      C:\Windows\System\MXClFIE.exe
      2⤵
      • Executes dropped EXE
      PID:4708
  • 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=3784 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4584

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          BHfdQzo.exe

          • Path C:\Windows\System\BHfdQzo.exe
          • Size 5.9MB
          • SHA256 f53b00884c9a70f9d2f16e0b892a0d1eaaa8cdc086a20676bbf6819333949c4e
          • MD5 SHA1 SHA512 SSDEEP

          ElYhFXM.exe

          • Path C:\Windows\System\ElYhFXM.exe
          • Size 5.9MB
          • SHA256 7079ffd511c9021539c14dccbb4562056f1d1d37e9397a70118fb62fd52f6016
          • MD5 SHA1 SHA512 SSDEEP

          JSTtWRZ.exe

          • Path C:\Windows\System\JSTtWRZ.exe
          • Size 5.9MB
          • SHA256 ec3d677b846a95b53f6b94910a5f9e57fc08d904fac65f42d24763099efc444d
          • MD5 SHA1 SHA512 SSDEEP

          LLhpHkB.exe

          • Path C:\Windows\System\LLhpHkB.exe
          • Size 5.9MB
          • SHA256 cd4e3f3513335047087c2c34fe5925fc0fd65c00d29374028499a7cb8f8f884a
          • MD5 SHA1 SHA512 SSDEEP

          LbTqgHD.exe

          • Path C:\Windows\System\LbTqgHD.exe
          • Size 5.9MB
          • SHA256 a340c9b59e4ddccbcf2d6217a1934c34926e54979d158922d35820e8e1a172ba
          • MD5 SHA1 SHA512 SSDEEP

          MXClFIE.exe

          • Path C:\Windows\System\MXClFIE.exe
          • Size 5.9MB
          • SHA256 fbc41f744a8b84c500cc5edbd25c14d0c705a2c7dd2c84e56c94202ac1a04368
          • MD5 SHA1 SHA512 SSDEEP

          NUYQDYV.exe

          • Path C:\Windows\System\NUYQDYV.exe
          • Size 5.9MB
          • SHA256 6bdba07e87a8c529c1f670eebb9d3bf05712df91baa384a6e21f86b2c2f55760
          • MD5 SHA1 SHA512 SSDEEP

          NjUXiFr.exe

          • Path C:\Windows\System\NjUXiFr.exe
          • Size 5.9MB
          • SHA256 58186f47b6eba58012cc43cced4417e6cea73d006790ff6a84728ff970bfc255
          • MD5 SHA1 SHA512 SSDEEP

          OLmaFnh.exe

          • Path C:\Windows\System\OLmaFnh.exe
          • Size 5.9MB
          • SHA256 f00355fc62459221fa115281e7db28c587ec03b7fb200b09f63d20a81987da3c
          • MD5 SHA1 SHA512 SSDEEP

          SJZLetr.exe

          • Path C:\Windows\System\SJZLetr.exe
          • Size 5.9MB
          • SHA256 5b41890245b391a4a58f39442060a614af6c2be1aed8508efd6101fce7dcc696
          • MD5 SHA1 SHA512 SSDEEP

          TXsdpug.exe

          • Path C:\Windows\System\TXsdpug.exe
          • Size 5.9MB
          • SHA256 0a8a40d2a17f93d043e5417508154f8cf8e9dc3b82c929f4200e6522e5495c66
          • MD5 SHA1 SHA512 SSDEEP

          UrXtFNW.exe

          • Path C:\Windows\System\UrXtFNW.exe
          • Size 5.9MB
          • SHA256 b0f917fba07aaf7aa8a722385e1c17f876f911fe1d63efe5ef624034e2854e1a
          • MD5 SHA1 SHA512 SSDEEP

          YqYXvHS.exe

          • Path C:\Windows\System\YqYXvHS.exe
          • Size 5.9MB
          • SHA256 8924985f4985c60f04264aafea85d38ecdd67c1c255e01736b9300ef3dd4fdd7
          • MD5 SHA1 SHA512 SSDEEP

          eopYwqj.exe

          • Path C:\Windows\System\eopYwqj.exe
          • Size 5.9MB
          • SHA256 82eeb1f28a8ebbe18451f5ab943a81bbd893b27574a496aef214936194d1a494
          • MD5 SHA1 SHA512 SSDEEP

          lQqUVKV.exe

          • Path C:\Windows\System\lQqUVKV.exe
          • Size 5.9MB
          • SHA256 61f038c2cfb1e11bfca1d4b72f1af388f6e62a7aaad4dd0a87e52c402a9ec29e
          • MD5 SHA1 SHA512 SSDEEP

          ngIpZep.exe

          • Path C:\Windows\System\ngIpZep.exe
          • Size 5.9MB
          • SHA256 db6026ca85927682e2a2f050a99953dccaae8c9122c2758477a303721d43a732
          • MD5 SHA1 SHA512 SSDEEP

          oMbyGAT.exe

          • Path C:\Windows\System\oMbyGAT.exe
          • Size 5.9MB
          • SHA256 820965ec0ff30416ca53a120b591d3ae66bb8319704f827dd0d278bb0a3e12fb
          • MD5 SHA1 SHA512 SSDEEP

          qkXUhrS.exe

          • Path C:\Windows\System\qkXUhrS.exe
          • Size 5.9MB
          • SHA256 289e6b642724c238a2a744f61d7eaedcfdbdcf7902b96c758caf0c71c51c4d6f
          • MD5 SHA1 SHA512 SSDEEP

          sZbRGPf.exe

          • Path C:\Windows\System\sZbRGPf.exe
          • Size 5.9MB
          • SHA256 aee07e2a927886bab902ad5d66d6954a0d6464897ed136c886c7aa97af778510
          • MD5 SHA1 SHA512 SSDEEP

          uOkvRmp.exe

          • Path C:\Windows\System\uOkvRmp.exe
          • Size 5.9MB
          • SHA256 69ad4d2ed9def7199b1a8998da7d1a478f8878a21c25f3eb0eac25b2fd7f1040
          • MD5 SHA1 SHA512 SSDEEP

          xMXfeBu.exe

          • Path C:\Windows\System\xMXfeBu.exe
          • Size 5.9MB
          • SHA256 581a1855e09192110d57d0034d07c957a4d558063f142b5358f7a6081aa1f773
          • MD5 SHA1 SHA512 SSDEEP

          memory/412-137-0x00007FF6B0C40000-0x00007FF6B0F94000-memory.dmp

          memory/412-30-0x00007FF6B0C40000-0x00007FF6B0F94000-memory.dmp

          memory/412-130-0x00007FF6B0C40000-0x00007FF6B0F94000-memory.dmp

          memory/440-119-0x00007FF607080000-0x00007FF6073D4000-memory.dmp

          memory/440-144-0x00007FF607080000-0x00007FF6073D4000-memory.dmp

          memory/1116-129-0x00007FF742B10000-0x00007FF742E64000-memory.dmp

          memory/1116-7-0x00007FF742B10000-0x00007FF742E64000-memory.dmp

          memory/1116-133-0x00007FF742B10000-0x00007FF742E64000-memory.dmp

          memory/1580-146-0x00007FF6CAD40000-0x00007FF6CB094000-memory.dmp

          memory/1580-121-0x00007FF6CAD40000-0x00007FF6CB094000-memory.dmp

          memory/1648-142-0x00007FF6632F0000-0x00007FF663644000-memory.dmp

          memory/1648-117-0x00007FF6632F0000-0x00007FF663644000-memory.dmp

          memory/2084-44-0x00007FF6FE730000-0x00007FF6FEA84000-memory.dmp

          memory/2084-139-0x00007FF6FE730000-0x00007FF6FEA84000-memory.dmp

          memory/2084-132-0x00007FF6FE730000-0x00007FF6FEA84000-memory.dmp

          memory/2156-120-0x00007FF689940000-0x00007FF689C94000-memory.dmp

          memory/2156-145-0x00007FF689940000-0x00007FF689C94000-memory.dmp

          memory/2564-55-0x00007FF64FDB0000-0x00007FF650104000-memory.dmp

          memory/2564-140-0x00007FF64FDB0000-0x00007FF650104000-memory.dmp

          memory/2576-26-0x00007FF795680000-0x00007FF7959D4000-memory.dmp

          memory/2576-136-0x00007FF795680000-0x00007FF7959D4000-memory.dmp

          memory/2612-14-0x00007FF648600000-0x00007FF648954000-memory.dmp

          memory/2612-134-0x00007FF648600000-0x00007FF648954000-memory.dmp

          memory/2716-37-0x00007FF776ED0000-0x00007FF777224000-memory.dmp

          memory/2716-138-0x00007FF776ED0000-0x00007FF777224000-memory.dmp

          memory/2716-131-0x00007FF776ED0000-0x00007FF777224000-memory.dmp

          memory/2816-153-0x00007FF611AF0000-0x00007FF611E44000-memory.dmp

          memory/2816-127-0x00007FF611AF0000-0x00007FF611E44000-memory.dmp

          memory/3336-56-0x00007FF7F3AD0000-0x00007FF7F3E24000-memory.dmp

          memory/3336-141-0x00007FF7F3AD0000-0x00007FF7F3E24000-memory.dmp

          memory/3892-147-0x00007FF7C5120000-0x00007FF7C5474000-memory.dmp

          memory/3892-122-0x00007FF7C5120000-0x00007FF7C5474000-memory.dmp

          memory/4012-135-0x00007FF6DFDB0000-0x00007FF6E0104000-memory.dmp

          memory/4012-20-0x00007FF6DFDB0000-0x00007FF6E0104000-memory.dmp

          memory/4068-1-0x000001E172100000-0x000001E172110000-memory.dmp

          memory/4068-116-0x00007FF75CD30000-0x00007FF75D084000-memory.dmp

          memory/4068-0-0x00007FF75CD30000-0x00007FF75D084000-memory.dmp

          memory/4088-143-0x00007FF7CD430000-0x00007FF7CD784000-memory.dmp

          memory/4088-118-0x00007FF7CD430000-0x00007FF7CD784000-memory.dmp

          memory/4184-124-0x00007FF7BADA0000-0x00007FF7BB0F4000-memory.dmp

          memory/4184-149-0x00007FF7BADA0000-0x00007FF7BB0F4000-memory.dmp

          memory/4336-126-0x00007FF66E9E0000-0x00007FF66ED34000-memory.dmp

          memory/4336-152-0x00007FF66E9E0000-0x00007FF66ED34000-memory.dmp

          memory/4596-123-0x00007FF6F7B20000-0x00007FF6F7E74000-memory.dmp

          memory/4596-148-0x00007FF6F7B20000-0x00007FF6F7E74000-memory.dmp

          memory/4708-128-0x00007FF70E530000-0x00007FF70E884000-memory.dmp

          memory/4708-151-0x00007FF70E530000-0x00007FF70E884000-memory.dmp

          memory/4844-150-0x00007FF7F1FD0000-0x00007FF7F2324000-memory.dmp

          memory/4844-125-0x00007FF7F1FD0000-0x00007FF7F2324000-memory.dmp