Analysis

  • max time kernel
    124s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2024, 17:44

General

  • Target
    2024-06-01_08d474d351c6ca54deb133e54d279402_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240601-wa9k2aaa4w
  • SHA256 5c55e0bee233057766789deae731c7668bf0ffb43687c5e8c603d5206fadafac
  • 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_08d474d351c6ca54deb133e54d279402_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_08d474d351c6ca54deb133e54d279402_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1912
    • C:\Windows\System\pMXiTJb.exe
      C:\Windows\System\pMXiTJb.exe
      2⤵
      • Executes dropped EXE
      PID:1336
    • C:\Windows\System\LTLmwin.exe
      C:\Windows\System\LTLmwin.exe
      2⤵
      • Executes dropped EXE
      PID:2328
    • C:\Windows\System\mGSkOQT.exe
      C:\Windows\System\mGSkOQT.exe
      2⤵
      • Executes dropped EXE
      PID:3056
    • C:\Windows\System\XrIbcXR.exe
      C:\Windows\System\XrIbcXR.exe
      2⤵
      • Executes dropped EXE
      PID:4480
    • C:\Windows\System\rWtSlOE.exe
      C:\Windows\System\rWtSlOE.exe
      2⤵
      • Executes dropped EXE
      PID:1136
    • C:\Windows\System\lZDCuyW.exe
      C:\Windows\System\lZDCuyW.exe
      2⤵
      • Executes dropped EXE
      PID:2308
    • C:\Windows\System\snTmaCh.exe
      C:\Windows\System\snTmaCh.exe
      2⤵
      • Executes dropped EXE
      PID:4896
    • C:\Windows\System\teigcii.exe
      C:\Windows\System\teigcii.exe
      2⤵
      • Executes dropped EXE
      PID:2548
    • C:\Windows\System\WBogabM.exe
      C:\Windows\System\WBogabM.exe
      2⤵
      • Executes dropped EXE
      PID:3400
    • C:\Windows\System\vlWdhKl.exe
      C:\Windows\System\vlWdhKl.exe
      2⤵
      • Executes dropped EXE
      PID:1332
    • C:\Windows\System\ovozBtk.exe
      C:\Windows\System\ovozBtk.exe
      2⤵
      • Executes dropped EXE
      PID:2000
    • C:\Windows\System\MqDLcbi.exe
      C:\Windows\System\MqDLcbi.exe
      2⤵
      • Executes dropped EXE
      PID:2844
    • C:\Windows\System\oLguAxC.exe
      C:\Windows\System\oLguAxC.exe
      2⤵
      • Executes dropped EXE
      PID:4648
    • C:\Windows\System\rYwhBZs.exe
      C:\Windows\System\rYwhBZs.exe
      2⤵
      • Executes dropped EXE
      PID:1088
    • C:\Windows\System\BeJWbrb.exe
      C:\Windows\System\BeJWbrb.exe
      2⤵
      • Executes dropped EXE
      PID:4936
    • C:\Windows\System\rHOWdsc.exe
      C:\Windows\System\rHOWdsc.exe
      2⤵
      • Executes dropped EXE
      PID:4224
    • C:\Windows\System\MOjDXqf.exe
      C:\Windows\System\MOjDXqf.exe
      2⤵
      • Executes dropped EXE
      PID:4612
    • C:\Windows\System\zAgpMVQ.exe
      C:\Windows\System\zAgpMVQ.exe
      2⤵
      • Executes dropped EXE
      PID:4252
    • C:\Windows\System\peETOjX.exe
      C:\Windows\System\peETOjX.exe
      2⤵
      • Executes dropped EXE
      PID:3092
    • C:\Windows\System\IMUHWXc.exe
      C:\Windows\System\IMUHWXc.exe
      2⤵
      • Executes dropped EXE
      PID:960
    • C:\Windows\System\tuzGVSo.exe
      C:\Windows\System\tuzGVSo.exe
      2⤵
      • Executes dropped EXE
      PID:4436
  • 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 --field-trial-handle=4240,i,13544508926340531097,6671217806016090640,262144 --variations-seed-version --mojo-platform-channel-handle=3764 /prefetch:8
    1⤵
      PID:3008

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          BeJWbrb.exe

          • Path C:\Windows\System\BeJWbrb.exe
          • Size 5.9MB
          • SHA256 1eb68693c2b27405f4f57d6e3abfd3f631149a710d646b5a9041942d6eb9102a
          • MD5 SHA1 SHA512 SSDEEP

          IMUHWXc.exe

          • Path C:\Windows\System\IMUHWXc.exe
          • Size 5.9MB
          • SHA256 3d0f5fec28cba59f38577b64db915295d8a0c72902a9e54fec1307a512be6167
          • MD5 SHA1 SHA512 SSDEEP

          LTLmwin.exe

          • Path C:\Windows\System\LTLmwin.exe
          • Size 5.9MB
          • SHA256 6a164f0c721b1b63b640e9b70eb43b8f528f056b39c2be5395b2e521af7a1feb
          • MD5 SHA1 SHA512 SSDEEP

          MOjDXqf.exe

          • Path C:\Windows\System\MOjDXqf.exe
          • Size 5.9MB
          • SHA256 64dce23ab4bfa3adaffc16a00be9343769cbba4d0f4162ee914f889305efc404
          • MD5 SHA1 SHA512 SSDEEP

          MqDLcbi.exe

          • Path C:\Windows\System\MqDLcbi.exe
          • Size 5.9MB
          • SHA256 23e7d0186a9c4dedae3869da592cd692bd111e313f03474d8c05b09442f52fca
          • MD5 SHA1 SHA512 SSDEEP

          WBogabM.exe

          • Path C:\Windows\System\WBogabM.exe
          • Size 5.9MB
          • SHA256 40c45dff463df871442a513216c2cbaa9cea8aceb1d500b2c3ceaa96bd61735b
          • MD5 SHA1 SHA512 SSDEEP

          XrIbcXR.exe

          • Path C:\Windows\System\XrIbcXR.exe
          • Size 5.9MB
          • SHA256 6a95c7127bd0df8fa6716d25df560da59e4ee68a9f97c92543b0eaa75a04c786
          • MD5 SHA1 SHA512 SSDEEP

          lZDCuyW.exe

          • Path C:\Windows\System\lZDCuyW.exe
          • Size 5.9MB
          • SHA256 e40fbea0622d2694027dd1ba24909dc002e31111469a34da3aa9dc859727fcdc
          • MD5 SHA1 SHA512 SSDEEP

          mGSkOQT.exe

          • Path C:\Windows\System\mGSkOQT.exe
          • Size 5.9MB
          • SHA256 4b3d2b04abd769d26f6b121cd90e5557bf868e361d2f812197f1d4b87a852498
          • MD5 SHA1 SHA512 SSDEEP

          oLguAxC.exe

          • Path C:\Windows\System\oLguAxC.exe
          • Size 5.9MB
          • SHA256 d10526464243f4d49439a7df833fddf8756bef131c3fd82d0513ceaf16998ba1
          • MD5 SHA1 SHA512 SSDEEP

          ovozBtk.exe

          • Path C:\Windows\System\ovozBtk.exe
          • Size 5.9MB
          • SHA256 fdc5c1bdf6153a2f7fe7a04df478dfa78db8a684b1758e5badd74822ba321054
          • MD5 SHA1 SHA512 SSDEEP

          pMXiTJb.exe

          • Path C:\Windows\System\pMXiTJb.exe
          • Size 5.9MB
          • SHA256 9c35e26ab7916c4d1547d2fe06e1ae5cae096c0670a5c7b0b8a1e9d59d31e76f
          • MD5 SHA1 SHA512 SSDEEP

          peETOjX.exe

          • Path C:\Windows\System\peETOjX.exe
          • Size 5.9MB
          • SHA256 56190943271e8dbaa974ac5f84ee836fba6c96cff3a0a0d8ef738d5ce8c9e4d0
          • MD5 SHA1 SHA512 SSDEEP

          rHOWdsc.exe

          • Path C:\Windows\System\rHOWdsc.exe
          • Size 5.9MB
          • SHA256 84ad6a1c35e2f5eeef2e7aff55a4556c4e86b1d15c0c81c1f15e705b52d7995a
          • MD5 SHA1 SHA512 SSDEEP

          rWtSlOE.exe

          • Path C:\Windows\System\rWtSlOE.exe
          • Size 5.9MB
          • SHA256 3ab871ba477570cf96f2aeca881b1dea3e43d3b8cbee3e2644f3bf71e0bc1783
          • MD5 SHA1 SHA512 SSDEEP

          rYwhBZs.exe

          • Path C:\Windows\System\rYwhBZs.exe
          • Size 5.9MB
          • SHA256 79c24644b546edf4d10cd1458a2dffed8a6c5ba12c39ed47a08e26edd350baee
          • MD5 SHA1 SHA512 SSDEEP

          snTmaCh.exe

          • Path C:\Windows\System\snTmaCh.exe
          • Size 5.9MB
          • SHA256 6201b697cca17121e193d6d60b3bb53efca5c26ebfe5aee4176be35cbdfd1307
          • MD5 SHA1 SHA512 SSDEEP

          teigcii.exe

          • Path C:\Windows\System\teigcii.exe
          • Size 5.9MB
          • SHA256 a0f28152258bdc2a1454df92929ceb6c6e91059a1f6590d83bd4a7199fe32081
          • MD5 SHA1 SHA512 SSDEEP

          tuzGVSo.exe

          • Path C:\Windows\System\tuzGVSo.exe
          • Size 5.9MB
          • SHA256 9e0dbda108ec2ae8fb1b4c8aa878f513ab9e1dc97f69b3bab4cddd6b88a2331f
          • MD5 SHA1 SHA512 SSDEEP

          vlWdhKl.exe

          • Path C:\Windows\System\vlWdhKl.exe
          • Size 5.9MB
          • SHA256 6776365d4fddb73275ce7b9f56d64a2bb114d555b0d34491bc6eb3dcd326dac1
          • MD5 SHA1 SHA512 SSDEEP

          zAgpMVQ.exe

          • Path C:\Windows\System\zAgpMVQ.exe
          • Size 5.9MB
          • SHA256 0cad76d93b4b35b3fe809724e4a99742f8d757e5e0dd5ef070e65d707356b8a4
          • MD5 SHA1 SHA512 SSDEEP

          memory/960-145-0x00007FF7A8F40000-0x00007FF7A9294000-memory.dmp

          memory/960-126-0x00007FF7A8F40000-0x00007FF7A9294000-memory.dmp

          memory/1088-120-0x00007FF7E7C60000-0x00007FF7E7FB4000-memory.dmp

          memory/1088-144-0x00007FF7E7C60000-0x00007FF7E7FB4000-memory.dmp

          memory/1136-33-0x00007FF679600000-0x00007FF679954000-memory.dmp

          memory/1136-137-0x00007FF679600000-0x00007FF679954000-memory.dmp

          memory/1332-140-0x00007FF694C10000-0x00007FF694F64000-memory.dmp

          memory/1332-116-0x00007FF694C10000-0x00007FF694F64000-memory.dmp

          memory/1336-6-0x00007FF698ED0000-0x00007FF699224000-memory.dmp

          memory/1336-131-0x00007FF698ED0000-0x00007FF699224000-memory.dmp

          memory/1336-129-0x00007FF698ED0000-0x00007FF699224000-memory.dmp

          memory/1912-1-0x000001A752EF0000-0x000001A752F00000-memory.dmp

          memory/1912-0-0x00007FF6A9C80000-0x00007FF6A9FD4000-memory.dmp

          memory/1912-128-0x00007FF6A9C80000-0x00007FF6A9FD4000-memory.dmp

          memory/2000-117-0x00007FF65FCF0000-0x00007FF660044000-memory.dmp

          memory/2000-148-0x00007FF65FCF0000-0x00007FF660044000-memory.dmp

          memory/2308-36-0x00007FF6B95E0000-0x00007FF6B9934000-memory.dmp

          memory/2308-135-0x00007FF6B95E0000-0x00007FF6B9934000-memory.dmp

          memory/2328-132-0x00007FF7CBEB0000-0x00007FF7CC204000-memory.dmp

          memory/2328-130-0x00007FF7CBEB0000-0x00007FF7CC204000-memory.dmp

          memory/2328-12-0x00007FF7CBEB0000-0x00007FF7CC204000-memory.dmp

          memory/2548-114-0x00007FF72C780000-0x00007FF72CAD4000-memory.dmp

          memory/2548-138-0x00007FF72C780000-0x00007FF72CAD4000-memory.dmp

          memory/2844-118-0x00007FF61CB00000-0x00007FF61CE54000-memory.dmp

          memory/2844-149-0x00007FF61CB00000-0x00007FF61CE54000-memory.dmp

          memory/3056-30-0x00007FF7B7D60000-0x00007FF7B80B4000-memory.dmp

          memory/3056-133-0x00007FF7B7D60000-0x00007FF7B80B4000-memory.dmp

          memory/3092-125-0x00007FF678A50000-0x00007FF678DA4000-memory.dmp

          memory/3092-151-0x00007FF678A50000-0x00007FF678DA4000-memory.dmp

          memory/3400-139-0x00007FF713170000-0x00007FF7134C4000-memory.dmp

          memory/3400-115-0x00007FF713170000-0x00007FF7134C4000-memory.dmp

          memory/4224-143-0x00007FF7C8270000-0x00007FF7C85C4000-memory.dmp

          memory/4224-122-0x00007FF7C8270000-0x00007FF7C85C4000-memory.dmp

          memory/4252-150-0x00007FF7655F0000-0x00007FF765944000-memory.dmp

          memory/4252-124-0x00007FF7655F0000-0x00007FF765944000-memory.dmp

          memory/4436-141-0x00007FF68D160000-0x00007FF68D4B4000-memory.dmp

          memory/4436-127-0x00007FF68D160000-0x00007FF68D4B4000-memory.dmp

          memory/4480-134-0x00007FF69A450000-0x00007FF69A7A4000-memory.dmp

          memory/4480-35-0x00007FF69A450000-0x00007FF69A7A4000-memory.dmp

          memory/4612-142-0x00007FF602730000-0x00007FF602A84000-memory.dmp

          memory/4612-123-0x00007FF602730000-0x00007FF602A84000-memory.dmp

          memory/4648-119-0x00007FF6F7550000-0x00007FF6F78A4000-memory.dmp

          memory/4648-147-0x00007FF6F7550000-0x00007FF6F78A4000-memory.dmp

          memory/4896-136-0x00007FF73E2D0000-0x00007FF73E624000-memory.dmp

          memory/4896-113-0x00007FF73E2D0000-0x00007FF73E624000-memory.dmp

          memory/4936-146-0x00007FF602240000-0x00007FF602594000-memory.dmp

          memory/4936-121-0x00007FF602240000-0x00007FF602594000-memory.dmp