Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-04-2023 09:20

General

  • Target

    clash-of-clans-1.0.12067.123-installer_U9-aR81.exe

  • Size

    1.7MB

  • MD5

    8c5ce85a467924e907c46dee684dee58

  • SHA1

    5eeaf6c2228f808a5dc40d7b6340cedc3a002e75

  • SHA256

    66ffa7f958b2dc966dd9f2359d4254c58f798a4a5e9e549adbd8a1cfdbedc73e

  • SHA512

    529c6a7917b58fa40567ff6185bc10bb61fc6f0bbc564805e318fb5f3038fc79091103b7d25b4edc8cdbe5953be6d97d5cd7319fcf688c8a3c9668429af3170d

  • SSDEEP

    24576:D7FUDowAyrTVE3U5Fmr9PamvXdPaJPfrT90eKc4cgFLNPfs8duMpmsDck:DBuZrEU0vNwPH9RHgFLRdp/3

Malware Config

Signatures

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 8 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 3 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\clash-of-clans-1.0.12067.123-installer_U9-aR81.exe
    "C:\Users\Admin\AppData\Local\Temp\clash-of-clans-1.0.12067.123-installer_U9-aR81.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4132
    • C:\Users\Admin\AppData\Local\Temp\is-BDRF5.tmp\clash-of-clans-1.0.12067.123-installer_U9-aR81.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-BDRF5.tmp\clash-of-clans-1.0.12067.123-installer_U9-aR81.tmp" /SL5="$B0050,875199,832512,C:\Users\Admin\AppData\Local\Temp\clash-of-clans-1.0.12067.123-installer_U9-aR81.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:1852
      • C:\Users\Admin\Downloads\clash-of-clans-1.0.12067.123-installer.exe
        "C:\Users\Admin\Downloads\clash-of-clans-1.0.12067.123-installer.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Enumerates connected drives
        • Writes to the Master Boot Record (MBR)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of WriteProcessMemory
        PID:1524
        • C:\Users\Admin\AppData\Roaming\Tencent\TxGameAssistant\GameDownload\TenioDL.exe
          C:\Users\Admin\AppData\Roaming\Tencent\TxGameAssistant\GameDownload\TenioDL.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Loads dropped DLL
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:944
          • C:\Windows\SysWOW64\icacls.exe
            "C:\Windows\System32\icacls.exe" C:\Users\Admin\AppData\Roaming\Tencent\Config\ /t /setintegritylevel low
            5⤵
            • Modifies file permissions
            PID:3328

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Temp\TxGameDownload\Component\BE10.tmp
    Filesize

    11KB

    MD5

    573d45ba3c3a46d63de06e8bb7ea816d

    SHA1

    e6cf5578755fc132fa013c759e8435d1cb2133c5

    SHA256

    244dfb7ee67cf784b362fc8280018459a4924103c1d22c21833cc438ce0c94ce

    SHA512

    52014dc59c1fb750bcee0bb012889646106c34b0b476b3b657dc5d839ac597ff9f6a0063aa10d9737f0cb8d521268e11ea251e220a59d62f1d45f44f73ff261e

  • C:\Users\Admin\AppData\Local\Temp\is-4L1UH.tmp\botva2.dll
    Filesize

    37KB

    MD5

    67965a5957a61867d661f05ae1f4773e

    SHA1

    f14c0a4f154dc685bb7c65b2d804a02a0fb2360d

    SHA256

    450b9b0ba25bf068afbc2b23d252585a19e282939bf38326384ea9112dfd0105

    SHA512

    c6942818b9026dc5db2d62999d32cf99fe7289f79a28b8345af17acf9d13b2229a5e917a48ff1f6d59715bdbcb00c1625e0302abcfe10ca7e0475762e0a3f41b

  • C:\Users\Admin\AppData\Local\Temp\is-4L1UH.tmp\botva2.dll
    Filesize

    37KB

    MD5

    67965a5957a61867d661f05ae1f4773e

    SHA1

    f14c0a4f154dc685bb7c65b2d804a02a0fb2360d

    SHA256

    450b9b0ba25bf068afbc2b23d252585a19e282939bf38326384ea9112dfd0105

    SHA512

    c6942818b9026dc5db2d62999d32cf99fe7289f79a28b8345af17acf9d13b2229a5e917a48ff1f6d59715bdbcb00c1625e0302abcfe10ca7e0475762e0a3f41b

  • C:\Users\Admin\AppData\Local\Temp\is-4L1UH.tmp\mainlogo.png
    Filesize

    3KB

    MD5

    1542e1d1fe841ee18c1b946832773709

    SHA1

    069a76bbde0a56719f1e7db9c35d1164219af107

    SHA256

    7683e2ccafe26e91ef01571ac70ed90dea9022b99a5227ec8fd5cfcbc56f8c93

    SHA512

    d0adc818aa8d86220ee3d8c77f4140625e6982b453de3103ca013768f5236bc1022292e57eb1f16d8c9c8b806ff13fdca189f67d3b2305cf13b5e8f49f68e462

  • C:\Users\Admin\AppData\Local\Temp\is-4L1UH.tmp\v_in_black_circle.png
    Filesize

    1KB

    MD5

    31eb10bb3b18e8aeed132ce3f9ccc267

    SHA1

    88b5e74a593c523206a588fc1a9d1bc1f3021915

    SHA256

    b64f4684beb5dabe885298a64a82c2182e8cb86c755cba162fc3916d3fb68437

    SHA512

    f5b7c89027b68783a6fc9101c1c4554b5c15d48b9d2ababfdfe5fb3e35777f43631776ee39ce951f9aad0c41ebb1fa0bbd4dfe1b2f81179ef5af55cccdd541e9

  • C:\Users\Admin\AppData\Local\Temp\is-BDRF5.tmp\clash-of-clans-1.0.12067.123-installer_U9-aR81.tmp
    Filesize

    3.0MB

    MD5

    6242dfafc1753713342e7603911033f9

    SHA1

    5518e2c9b6c7fd71891cbb929f418c978f1fa17c

    SHA256

    f9fa9a1772e86ab95f91a42b4c3122fcb35f8a068f9697e49657e814f2104ac2

    SHA512

    3038d095cc5cf866938b5efbe5e9dc0a0785b6ec2e7613459c0e4411bb6135111a4cd45e4167ceb60b712b0e916616d5d5ab7de34726a66a796184756f7e7b88

  • C:\Users\Admin\AppData\Roaming\Tencent\TxGameAssistant\GameDownload\TenioDL.dll
    Filesize

    523KB

    MD5

    34431eb1ae2d3ac86e3415d8c3e977a3

    SHA1

    b2eae82dffecdbe02ef877d5a4d28de83b84bd59

    SHA256

    8379e09c7a3a51bdb652418781ceed8067e324b656c7d5a307b9a77c899f0806

    SHA512

    32b1d12630ced494b5168037a1d0899b3576970f603b5e69bf48fd915a4dad51d877e97bc91660929719e3a1395344ec39d5cc5b761111096c4523563d3bdd5e

  • C:\Users\Admin\AppData\Roaming\Tencent\TxGameAssistant\GameDownload\TenioDL.exe
    Filesize

    167KB

    MD5

    8fb4e336f4c145eb6e379701c3ac59d1

    SHA1

    ad53b732cabd515035784f187aeaab4d8a6b67c7

    SHA256

    d7a59b5ba3f0fb3906ebaa7a67c76088995a1f37652a2ae9893977c19754d9bf

    SHA512

    c83b726e867f47c9fdabaf3151ae74c07e2b74be47f8ec41685fee744eba41c81614faaf473fcd28cabc044545eddcad5cbbaf67e90109d916e109c1b5d6a770

  • C:\Users\Admin\AppData\Roaming\Tencent\TxGameAssistant\GameDownload\TenioDL.exe
    Filesize

    167KB

    MD5

    8fb4e336f4c145eb6e379701c3ac59d1

    SHA1

    ad53b732cabd515035784f187aeaab4d8a6b67c7

    SHA256

    d7a59b5ba3f0fb3906ebaa7a67c76088995a1f37652a2ae9893977c19754d9bf

    SHA512

    c83b726e867f47c9fdabaf3151ae74c07e2b74be47f8ec41685fee744eba41c81614faaf473fcd28cabc044545eddcad5cbbaf67e90109d916e109c1b5d6a770

  • C:\Users\Admin\AppData\Roaming\Tencent\TxGameAssistant\GameDownload\TenioDL.exe
    Filesize

    167KB

    MD5

    8fb4e336f4c145eb6e379701c3ac59d1

    SHA1

    ad53b732cabd515035784f187aeaab4d8a6b67c7

    SHA256

    d7a59b5ba3f0fb3906ebaa7a67c76088995a1f37652a2ae9893977c19754d9bf

    SHA512

    c83b726e867f47c9fdabaf3151ae74c07e2b74be47f8ec41685fee744eba41c81614faaf473fcd28cabc044545eddcad5cbbaf67e90109d916e109c1b5d6a770

  • C:\Users\Admin\AppData\Roaming\Tencent\TxGameAssistant\GameDownload\TenioDL_core.dll
    Filesize

    543KB

    MD5

    11d65a68132e918bd80e7e0a09029730

    SHA1

    c1978c02176e1e370c66d1597e964eab908847dc

    SHA256

    36c18dedac0429375c583fcf9420cdc9ace8a38bbac9f33378b5b4d6739da511

    SHA512

    34278a85cfdad1b2086b9368368b6eada08829c3237d02d0afbfced4f32df38e95a5ca0a600fc8d8c98c33d6cc8d4ac82c3279ccdba36cb0ed4738c1c0648315

  • C:\Users\Admin\AppData\Roaming\Tencent\TxGameAssistant\GameDownload\TenioDL_core.dll
    Filesize

    543KB

    MD5

    11d65a68132e918bd80e7e0a09029730

    SHA1

    c1978c02176e1e370c66d1597e964eab908847dc

    SHA256

    36c18dedac0429375c583fcf9420cdc9ace8a38bbac9f33378b5b4d6739da511

    SHA512

    34278a85cfdad1b2086b9368368b6eada08829c3237d02d0afbfced4f32df38e95a5ca0a600fc8d8c98c33d6cc8d4ac82c3279ccdba36cb0ed4738c1c0648315

  • C:\Users\Admin\AppData\Roaming\Tencent\TxGameAssistant\GameDownload\dr.dll
    Filesize

    74KB

    MD5

    2814acbd607ba47bdbcdf6ac3076ee95

    SHA1

    50ab892071bed2bb2365ca1d4bf5594e71c6b13b

    SHA256

    5904a7e4d97eeac939662c3638a0e145f64ff3dd0198f895c4bf0337595c6a67

    SHA512

    34c73014ffc8d38d6dd29f4f84c8f4f9ea971bc131f665f65b277f453504d5efc2d483a792cdea610c5e0544bf3997b132dcdbe37224912c5234c15cdb89d498

  • C:\Users\Admin\AppData\Roaming\Tencent\TxGameAssistant\GameDownload\dr.dll
    Filesize

    74KB

    MD5

    2814acbd607ba47bdbcdf6ac3076ee95

    SHA1

    50ab892071bed2bb2365ca1d4bf5594e71c6b13b

    SHA256

    5904a7e4d97eeac939662c3638a0e145f64ff3dd0198f895c4bf0337595c6a67

    SHA512

    34c73014ffc8d38d6dd29f4f84c8f4f9ea971bc131f665f65b277f453504d5efc2d483a792cdea610c5e0544bf3997b132dcdbe37224912c5234c15cdb89d498

  • C:\Users\Admin\AppData\Roaming\Tencent\TxGameAssistant\GameDownload\p2papp.dll
    Filesize

    2.9MB

    MD5

    b1b101d86c417286e60f471fc8b79bb1

    SHA1

    b602bee2a25ed63a1f9cda72c83bdadd44dcd07c

    SHA256

    91cfa1769be449dfdfbf6bcc8049ce5c9218df6deaa66a0879528526b204a51a

    SHA512

    0a1d03364e1a52c08d6992a52b31b29f54c3781c009562427c560338db5428b74b55fab41f9c48c7018ddce41ab6a7f8593fbf12a75ae472c11590a36b42682b

  • C:\Users\Admin\AppData\Roaming\Tencent\TxGameAssistant\GameDownload\p2papp.dll
    Filesize

    2.9MB

    MD5

    b1b101d86c417286e60f471fc8b79bb1

    SHA1

    b602bee2a25ed63a1f9cda72c83bdadd44dcd07c

    SHA256

    91cfa1769be449dfdfbf6bcc8049ce5c9218df6deaa66a0879528526b204a51a

    SHA512

    0a1d03364e1a52c08d6992a52b31b29f54c3781c009562427c560338db5428b74b55fab41f9c48c7018ddce41ab6a7f8593fbf12a75ae472c11590a36b42682b

  • C:\Users\Admin\AppData\Roaming\Tencent\TxGameAssistant\GameDownload\p2papp.dll
    Filesize

    2.9MB

    MD5

    b1b101d86c417286e60f471fc8b79bb1

    SHA1

    b602bee2a25ed63a1f9cda72c83bdadd44dcd07c

    SHA256

    91cfa1769be449dfdfbf6bcc8049ce5c9218df6deaa66a0879528526b204a51a

    SHA512

    0a1d03364e1a52c08d6992a52b31b29f54c3781c009562427c560338db5428b74b55fab41f9c48c7018ddce41ab6a7f8593fbf12a75ae472c11590a36b42682b

  • C:\Users\Admin\Downloads\clash-of-clans-1.0.12067.123-installer.exe
    Filesize

    9.4MB

    MD5

    3348fec78148931df0d2356e9681b503

    SHA1

    9641db22a229911ad8e3152c18810051e0080f9e

    SHA256

    b50daad0f17f66954d2b05e0a33f1a7d2fc9bd22c2d770f679b233d940da110b

    SHA512

    a67ec8c99f0811630811b295e8b0d7563139e72c23f016a509b85b9c835e95c2424c11c0f595c38994bd9ffd3413e0d27fdf59d26008784d2f65455119ce7913

  • C:\Users\Admin\Downloads\clash-of-clans-1.0.12067.123-installer.exe
    Filesize

    9.4MB

    MD5

    3348fec78148931df0d2356e9681b503

    SHA1

    9641db22a229911ad8e3152c18810051e0080f9e

    SHA256

    b50daad0f17f66954d2b05e0a33f1a7d2fc9bd22c2d770f679b233d940da110b

    SHA512

    a67ec8c99f0811630811b295e8b0d7563139e72c23f016a509b85b9c835e95c2424c11c0f595c38994bd9ffd3413e0d27fdf59d26008784d2f65455119ce7913

  • C:\Users\Admin\Downloads\clash-of-clans-1.0.12067.123-installer.exe
    Filesize

    9.4MB

    MD5

    3348fec78148931df0d2356e9681b503

    SHA1

    9641db22a229911ad8e3152c18810051e0080f9e

    SHA256

    b50daad0f17f66954d2b05e0a33f1a7d2fc9bd22c2d770f679b233d940da110b

    SHA512

    a67ec8c99f0811630811b295e8b0d7563139e72c23f016a509b85b9c835e95c2424c11c0f595c38994bd9ffd3413e0d27fdf59d26008784d2f65455119ce7913

  • memory/944-229-0x00000000025D0000-0x00000000028BF000-memory.dmp
    Filesize

    2.9MB

  • memory/1524-220-0x0000000004440000-0x0000000004451000-memory.dmp
    Filesize

    68KB

  • memory/1852-156-0x0000000000400000-0x000000000071B000-memory.dmp
    Filesize

    3.1MB

  • memory/1852-198-0x0000000000400000-0x000000000071B000-memory.dmp
    Filesize

    3.1MB

  • memory/1852-191-0x00000000054F0000-0x00000000054FF000-memory.dmp
    Filesize

    60KB

  • memory/1852-190-0x0000000000400000-0x000000000071B000-memory.dmp
    Filesize

    3.1MB

  • memory/1852-158-0x00000000027F0000-0x00000000027F1000-memory.dmp
    Filesize

    4KB

  • memory/1852-157-0x00000000054F0000-0x00000000054FF000-memory.dmp
    Filesize

    60KB

  • memory/1852-150-0x00000000054F0000-0x00000000054FF000-memory.dmp
    Filesize

    60KB

  • memory/1852-138-0x00000000027F0000-0x00000000027F1000-memory.dmp
    Filesize

    4KB

  • memory/4132-200-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/4132-133-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB

  • memory/4132-142-0x0000000000400000-0x00000000004D8000-memory.dmp
    Filesize

    864KB