Analysis

  • max time kernel
    141s
  • max time network
    152s
  • 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, 08:28

General

  • Target
    2024-06-01_b1ad8f3ab7a101dbeea8736cb7eafb6c_cobalt-strike_cobaltstrike.exe
  • Size 5.9MB
  • Sample240601-kc94ssfd4v
  • SHA256 ec6a7e7199b886763c8cd0e06570dfd130b8a80087d2d76ed9590b3209f2b1ec
  • 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_b1ad8f3ab7a101dbeea8736cb7eafb6c_cobalt-strike_cobaltstrike.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-01_b1ad8f3ab7a101dbeea8736cb7eafb6c_cobalt-strike_cobaltstrike.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2260
    • C:\Windows\System\hsXYZsb.exe
      C:\Windows\System\hsXYZsb.exe
      2⤵
      • Executes dropped EXE
      PID:2056
    • C:\Windows\System\MSCWeen.exe
      C:\Windows\System\MSCWeen.exe
      2⤵
      • Executes dropped EXE
      PID:532
    • C:\Windows\System\PEZpzpd.exe
      C:\Windows\System\PEZpzpd.exe
      2⤵
      • Executes dropped EXE
      PID:4972
    • C:\Windows\System\vuAnCaG.exe
      C:\Windows\System\vuAnCaG.exe
      2⤵
      • Executes dropped EXE
      PID:4148
    • C:\Windows\System\uWIDuBu.exe
      C:\Windows\System\uWIDuBu.exe
      2⤵
      • Executes dropped EXE
      PID:1204
    • C:\Windows\System\ctAoZjk.exe
      C:\Windows\System\ctAoZjk.exe
      2⤵
      • Executes dropped EXE
      PID:2016
    • C:\Windows\System\trMmJOL.exe
      C:\Windows\System\trMmJOL.exe
      2⤵
      • Executes dropped EXE
      PID:5152
    • C:\Windows\System\YFihuSa.exe
      C:\Windows\System\YFihuSa.exe
      2⤵
      • Executes dropped EXE
      PID:5452
    • C:\Windows\System\RSeSNle.exe
      C:\Windows\System\RSeSNle.exe
      2⤵
      • Executes dropped EXE
      PID:5756
    • C:\Windows\System\mkYQUhA.exe
      C:\Windows\System\mkYQUhA.exe
      2⤵
      • Executes dropped EXE
      PID:5352
    • C:\Windows\System\EIunccn.exe
      C:\Windows\System\EIunccn.exe
      2⤵
      • Executes dropped EXE
      PID:5376
    • C:\Windows\System\mRvyfzD.exe
      C:\Windows\System\mRvyfzD.exe
      2⤵
      • Executes dropped EXE
      PID:5324
    • C:\Windows\System\lKCEVgq.exe
      C:\Windows\System\lKCEVgq.exe
      2⤵
      • Executes dropped EXE
      PID:4676
    • C:\Windows\System\ZiJfRDm.exe
      C:\Windows\System\ZiJfRDm.exe
      2⤵
      • Executes dropped EXE
      PID:1716
    • C:\Windows\System\MlTrQQx.exe
      C:\Windows\System\MlTrQQx.exe
      2⤵
      • Executes dropped EXE
      PID:4640
    • C:\Windows\System\dyUbsRU.exe
      C:\Windows\System\dyUbsRU.exe
      2⤵
      • Executes dropped EXE
      PID:5924
    • C:\Windows\System\GZogxuy.exe
      C:\Windows\System\GZogxuy.exe
      2⤵
      • Executes dropped EXE
      PID:5928
    • C:\Windows\System\KyBFCpF.exe
      C:\Windows\System\KyBFCpF.exe
      2⤵
      • Executes dropped EXE
      PID:5976
    • C:\Windows\System\DwVLNVH.exe
      C:\Windows\System\DwVLNVH.exe
      2⤵
      • Executes dropped EXE
      PID:4956
    • C:\Windows\System\JmqBQEu.exe
      C:\Windows\System\JmqBQEu.exe
      2⤵
      • Executes dropped EXE
      PID:5484
    • C:\Windows\System\EuBGlmf.exe
      C:\Windows\System\EuBGlmf.exe
      2⤵
      • Executes dropped EXE
      PID:5520
  • 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=3876 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4764

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          DwVLNVH.exe

          • Path C:\Windows\System\DwVLNVH.exe
          • Size 5.9MB
          • SHA256 6c54b0e0e19e52c36fc222a3b5479b909f1648483833802655feee02eef534c8
          • MD5 SHA1 SHA512 SSDEEP

          EIunccn.exe

          • Path C:\Windows\System\EIunccn.exe
          • Size 5.9MB
          • SHA256 c3efd9886c54ca294bf8812db52937080fbeba12986f2a24fafab70ee753bbfd
          • MD5 SHA1 SHA512 SSDEEP

          EuBGlmf.exe

          • Path C:\Windows\System\EuBGlmf.exe
          • Size 5.9MB
          • SHA256 f2856b5af3d96b5405ac90d0fa2fffecedf8bf798e40bb82d100edcaced64e7c
          • MD5 SHA1 SHA512 SSDEEP

          GZogxuy.exe

          • Path C:\Windows\System\GZogxuy.exe
          • Size 5.9MB
          • SHA256 9cfbc5854a2b99e1f67e1c3c76322decb75d9f3db2e73d8442f6055a396fa6b8
          • MD5 SHA1 SHA512 SSDEEP

          JmqBQEu.exe

          • Path C:\Windows\System\JmqBQEu.exe
          • Size 5.9MB
          • SHA256 a96c4c110302a4b464415afb5797f314ff434f3dd0cbeca033fcf3b559d9aab2
          • MD5 SHA1 SHA512 SSDEEP

          KyBFCpF.exe

          • Path C:\Windows\System\KyBFCpF.exe
          • Size 5.9MB
          • SHA256 a662c592cea0c5e538f26c60882311c5526142d37c5c7bded4118969468defdc
          • MD5 SHA1 SHA512 SSDEEP

          MSCWeen.exe

          • Path C:\Windows\System\MSCWeen.exe
          • Size 5.9MB
          • SHA256 d473ba5cd86a8b7080238d659f136ab7535616ace0f53366ecc1b7f57910eb19
          • MD5 SHA1 SHA512 SSDEEP

          MlTrQQx.exe

          • Path C:\Windows\System\MlTrQQx.exe
          • Size 5.9MB
          • SHA256 7c8ede9e7ca493b8fe2a6485fddd58874942a292b63eadb7263dc586d2747c42
          • MD5 SHA1 SHA512 SSDEEP

          PEZpzpd.exe

          • Path C:\Windows\System\PEZpzpd.exe
          • Size 5.9MB
          • SHA256 d3fe55f1b8f9a2e040985b283efc6658912382adafff0fb0f2cf2a588c5e6577
          • MD5 SHA1 SHA512 SSDEEP

          RSeSNle.exe

          • Path C:\Windows\System\RSeSNle.exe
          • Size 5.9MB
          • SHA256 46029e57b149651a2c01e230829141fd40459f79efc6d756a0e594c264e7c971
          • MD5 SHA1 SHA512 SSDEEP

          YFihuSa.exe

          • Path C:\Windows\System\YFihuSa.exe
          • Size 5.9MB
          • SHA256 dc8e89d9e726218c028c54d34dc9f1cb666ef66484450f00f219c95089e3253f
          • MD5 SHA1 SHA512 SSDEEP

          ZiJfRDm.exe

          • Path C:\Windows\System\ZiJfRDm.exe
          • Size 5.9MB
          • SHA256 0a46ea57fe8c91c7d5fa2260f39fae2118a3b08f79a4d95d8f1073dae0b7acb5
          • MD5 SHA1 SHA512 SSDEEP

          ctAoZjk.exe

          • Path C:\Windows\System\ctAoZjk.exe
          • Size 5.9MB
          • SHA256 e89c5da9c70dc9528e1241f363dab8d028e9a46bff6363df3ab52977998048c7
          • MD5 SHA1 SHA512 SSDEEP

          dyUbsRU.exe

          • Path C:\Windows\System\dyUbsRU.exe
          • Size 5.9MB
          • SHA256 4ba9894d386cbdd262617edfc9c45877c4e60ec182a8804ef6d7b8f4c774e47e
          • MD5 SHA1 SHA512 SSDEEP

          hsXYZsb.exe

          • Path C:\Windows\System\hsXYZsb.exe
          • Size 5.9MB
          • SHA256 f55a10e1cf5f17bb0dbb3abba1a8fd85428c0dcab4da0b658e37d4b984ba8035
          • MD5 SHA1 SHA512 SSDEEP

          lKCEVgq.exe

          • Path C:\Windows\System\lKCEVgq.exe
          • Size 5.9MB
          • SHA256 985d94294e6200dce4577f14842b75dea7ca933e638e5eda7240bb4ddbd2a814
          • MD5 SHA1 SHA512 SSDEEP

          mRvyfzD.exe

          • Path C:\Windows\System\mRvyfzD.exe
          • Size 5.9MB
          • SHA256 3166bd688def2fd43e02395762228ab7b1721b7042c2f10232e46a85e2fec99a
          • MD5 SHA1 SHA512 SSDEEP

          mkYQUhA.exe

          • Path C:\Windows\System\mkYQUhA.exe
          • Size 5.9MB
          • SHA256 59f97b291a7574487501093f22d11d8ada5e687ea76dac621d59991e56742f60
          • MD5 SHA1 SHA512 SSDEEP

          trMmJOL.exe

          • Path C:\Windows\System\trMmJOL.exe
          • Size 5.9MB
          • SHA256 e35440003b07502816bca07c47b96ba96a611ac76b8f8d346837d8e4d7bdcf7a
          • MD5 SHA1 SHA512 SSDEEP

          uWIDuBu.exe

          • Path C:\Windows\System\uWIDuBu.exe
          • Size 5.9MB
          • SHA256 e41a33734d0a7e5f60269cb3f9d935aa7425fc88377f78a81c8ccbcceeb2ef08
          • MD5 SHA1 SHA512 SSDEEP

          vuAnCaG.exe

          • Path C:\Windows\System\vuAnCaG.exe
          • Size 5.9MB
          • SHA256 66ec85494b9ddf113e7937211ebdf56d92fcbd09d3288d54ba6cf53282bdba3e
          • MD5 SHA1 SHA512 SSDEEP

          memory/532-129-0x00007FF78E810000-0x00007FF78EB64000-memory.dmp

          memory/532-136-0x00007FF78E810000-0x00007FF78EB64000-memory.dmp

          memory/532-16-0x00007FF78E810000-0x00007FF78EB64000-memory.dmp

          memory/1204-34-0x00007FF66B720000-0x00007FF66BA74000-memory.dmp

          memory/1204-138-0x00007FF66B720000-0x00007FF66BA74000-memory.dmp

          memory/1716-120-0x00007FF676380000-0x00007FF6766D4000-memory.dmp

          memory/1716-148-0x00007FF676380000-0x00007FF6766D4000-memory.dmp

          memory/2016-140-0x00007FF6432B0000-0x00007FF643604000-memory.dmp

          memory/2016-38-0x00007FF6432B0000-0x00007FF643604000-memory.dmp

          memory/2056-73-0x00007FF72CA50000-0x00007FF72CDA4000-memory.dmp

          memory/2056-7-0x00007FF72CA50000-0x00007FF72CDA4000-memory.dmp

          memory/2056-135-0x00007FF72CA50000-0x00007FF72CDA4000-memory.dmp

          memory/2260-0-0x00007FF6E0910000-0x00007FF6E0C64000-memory.dmp

          memory/2260-60-0x00007FF6E0910000-0x00007FF6E0C64000-memory.dmp

          memory/2260-1-0x000002467FFB0000-0x000002467FFC0000-memory.dmp

          memory/4148-26-0x00007FF775480000-0x00007FF7757D4000-memory.dmp

          memory/4148-139-0x00007FF775480000-0x00007FF7757D4000-memory.dmp

          memory/4148-132-0x00007FF775480000-0x00007FF7757D4000-memory.dmp

          memory/4640-121-0x00007FF7CD800000-0x00007FF7CDB54000-memory.dmp

          memory/4640-149-0x00007FF7CD800000-0x00007FF7CDB54000-memory.dmp

          memory/4676-147-0x00007FF7B1F70000-0x00007FF7B22C4000-memory.dmp

          memory/4676-130-0x00007FF7B1F70000-0x00007FF7B22C4000-memory.dmp

          memory/4956-125-0x00007FF672BB0000-0x00007FF672F04000-memory.dmp

          memory/4956-153-0x00007FF672BB0000-0x00007FF672F04000-memory.dmp

          memory/4972-137-0x00007FF77C5A0000-0x00007FF77C8F4000-memory.dmp

          memory/4972-20-0x00007FF77C5A0000-0x00007FF77C8F4000-memory.dmp

          memory/4972-131-0x00007FF77C5A0000-0x00007FF77C8F4000-memory.dmp

          memory/5152-46-0x00007FF797190000-0x00007FF7974E4000-memory.dmp

          memory/5152-141-0x00007FF797190000-0x00007FF7974E4000-memory.dmp

          memory/5324-146-0x00007FF66E9F0000-0x00007FF66ED44000-memory.dmp

          memory/5324-128-0x00007FF66E9F0000-0x00007FF66ED44000-memory.dmp

          memory/5352-134-0x00007FF6B6F80000-0x00007FF6B72D4000-memory.dmp

          memory/5352-62-0x00007FF6B6F80000-0x00007FF6B72D4000-memory.dmp

          memory/5352-144-0x00007FF6B6F80000-0x00007FF6B72D4000-memory.dmp

          memory/5376-119-0x00007FF605690000-0x00007FF6059E4000-memory.dmp

          memory/5376-145-0x00007FF605690000-0x00007FF6059E4000-memory.dmp

          memory/5452-49-0x00007FF69A380000-0x00007FF69A6D4000-memory.dmp

          memory/5452-142-0x00007FF69A380000-0x00007FF69A6D4000-memory.dmp

          memory/5452-133-0x00007FF69A380000-0x00007FF69A6D4000-memory.dmp

          memory/5484-126-0x00007FF770700000-0x00007FF770A54000-memory.dmp

          memory/5484-154-0x00007FF770700000-0x00007FF770A54000-memory.dmp

          memory/5520-155-0x00007FF6EA0C0000-0x00007FF6EA414000-memory.dmp

          memory/5520-127-0x00007FF6EA0C0000-0x00007FF6EA414000-memory.dmp

          memory/5756-56-0x00007FF6CE860000-0x00007FF6CEBB4000-memory.dmp

          memory/5756-143-0x00007FF6CE860000-0x00007FF6CEBB4000-memory.dmp

          memory/5924-150-0x00007FF7A0DB0000-0x00007FF7A1104000-memory.dmp

          memory/5924-122-0x00007FF7A0DB0000-0x00007FF7A1104000-memory.dmp

          memory/5928-123-0x00007FF6A1A70000-0x00007FF6A1DC4000-memory.dmp

          memory/5928-151-0x00007FF6A1A70000-0x00007FF6A1DC4000-memory.dmp

          memory/5976-152-0x00007FF7384C0000-0x00007FF738814000-memory.dmp

          memory/5976-124-0x00007FF7384C0000-0x00007FF738814000-memory.dmp