Analysis

  • max time kernel
    152s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2022, 09:59

General

  • Target

    a53415f5f735a4669a73c7ea8fd5ade5d2ce5f253a2de943e877cf0c3efa11d1.exe

  • Size

    544KB

  • MD5

    5cd70285850990f027d00d6ee387ea96

  • SHA1

    92ea8c28490cb6e1734db4ab31069083aa8ae601

  • SHA256

    a53415f5f735a4669a73c7ea8fd5ade5d2ce5f253a2de943e877cf0c3efa11d1

  • SHA512

    309d440024b4ac3167198b46b478043af1d158e66a77ef8f25408b74d3260963c1fa5c7f92eb06d7a59fc545267b78083d25b6c69e6b1d6fb0554c4568a86ae8

  • SSDEEP

    12288:BQIWT/UzJW8ivxh7vHzgryd4GT1QOoJqbbEUqe9mJd/uB28Rr8O9F8/CwM:BQI+cJHiJRTHnxhUqEhe9suB2C8O9O

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 10 IoCs
  • UPX packed file 17 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Unexpected DNS network traffic destination 2 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application 2 TTPs 52 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:2248
    • C:\Users\Admin\AppData\Local\Temp\a53415f5f735a4669a73c7ea8fd5ade5d2ce5f253a2de943e877cf0c3efa11d1.exe
      "C:\Users\Admin\AppData\Local\Temp\a53415f5f735a4669a73c7ea8fd5ade5d2ce5f253a2de943e877cf0c3efa11d1.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3488
      • C:\Users\Admin\gau5f8p1.exe
        C:\Users\Admin\gau5f8p1.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Checks computer location settings
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1760
        • C:\Users\Admin\weecea.exe
          "C:\Users\Admin\weecea.exe"
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:3892
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del gau5f8p1.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4040
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:380
      • C:\Users\Admin\2des.exe
        C:\Users\Admin\2des.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3380
        • C:\Users\Admin\2des.exe
          "C:\Users\Admin\2des.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:4520
        • C:\Users\Admin\2des.exe
          "C:\Users\Admin\2des.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:4176
        • C:\Users\Admin\2des.exe
          "C:\Users\Admin\2des.exe"
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:1184
        • C:\Users\Admin\2des.exe
          "C:\Users\Admin\2des.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1084
        • C:\Users\Admin\2des.exe
          "C:\Users\Admin\2des.exe"
          4⤵
          • Executes dropped EXE
          PID:1272
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1272 -s 80
            5⤵
            • Program crash
            PID:4868
      • C:\Users\Admin\3des.exe
        C:\Users\Admin\3des.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1996
        • C:\Users\Admin\AppData\Local\33b020d7\X
          *0*bc*d25e6c51*31.193.3.240:53
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:5108
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del a53415f5f735a4669a73c7ea8fd5ade5d2ce5f253a2de943e877cf0c3efa11d1.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1268
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:3568
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1272 -ip 1272
    1⤵
      PID:3004

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\2des.exe

      Filesize

      132KB

      MD5

      da081a5c83e9130e96acb301295bb14b

      SHA1

      4e46aa4b39ea48c86838432e2724d7d3c508ab01

      SHA256

      7ff325379204c4ab4a2a8cd60f5299eba0582c4fe52014689fd69008d1154646

      SHA512

      46c1c1f0121bb1cd75656461a0e8044b665dc3601a79053516f7092b8230fb08be91eca4da1933d0719a78cf91699d1f6e641d06b3f21cdc5f3d97bcc9b381e1

    • C:\Users\Admin\2des.exe

      Filesize

      132KB

      MD5

      da081a5c83e9130e96acb301295bb14b

      SHA1

      4e46aa4b39ea48c86838432e2724d7d3c508ab01

      SHA256

      7ff325379204c4ab4a2a8cd60f5299eba0582c4fe52014689fd69008d1154646

      SHA512

      46c1c1f0121bb1cd75656461a0e8044b665dc3601a79053516f7092b8230fb08be91eca4da1933d0719a78cf91699d1f6e641d06b3f21cdc5f3d97bcc9b381e1

    • C:\Users\Admin\2des.exe

      Filesize

      132KB

      MD5

      da081a5c83e9130e96acb301295bb14b

      SHA1

      4e46aa4b39ea48c86838432e2724d7d3c508ab01

      SHA256

      7ff325379204c4ab4a2a8cd60f5299eba0582c4fe52014689fd69008d1154646

      SHA512

      46c1c1f0121bb1cd75656461a0e8044b665dc3601a79053516f7092b8230fb08be91eca4da1933d0719a78cf91699d1f6e641d06b3f21cdc5f3d97bcc9b381e1

    • C:\Users\Admin\2des.exe

      Filesize

      132KB

      MD5

      da081a5c83e9130e96acb301295bb14b

      SHA1

      4e46aa4b39ea48c86838432e2724d7d3c508ab01

      SHA256

      7ff325379204c4ab4a2a8cd60f5299eba0582c4fe52014689fd69008d1154646

      SHA512

      46c1c1f0121bb1cd75656461a0e8044b665dc3601a79053516f7092b8230fb08be91eca4da1933d0719a78cf91699d1f6e641d06b3f21cdc5f3d97bcc9b381e1

    • C:\Users\Admin\2des.exe

      Filesize

      132KB

      MD5

      da081a5c83e9130e96acb301295bb14b

      SHA1

      4e46aa4b39ea48c86838432e2724d7d3c508ab01

      SHA256

      7ff325379204c4ab4a2a8cd60f5299eba0582c4fe52014689fd69008d1154646

      SHA512

      46c1c1f0121bb1cd75656461a0e8044b665dc3601a79053516f7092b8230fb08be91eca4da1933d0719a78cf91699d1f6e641d06b3f21cdc5f3d97bcc9b381e1

    • C:\Users\Admin\2des.exe

      Filesize

      132KB

      MD5

      da081a5c83e9130e96acb301295bb14b

      SHA1

      4e46aa4b39ea48c86838432e2724d7d3c508ab01

      SHA256

      7ff325379204c4ab4a2a8cd60f5299eba0582c4fe52014689fd69008d1154646

      SHA512

      46c1c1f0121bb1cd75656461a0e8044b665dc3601a79053516f7092b8230fb08be91eca4da1933d0719a78cf91699d1f6e641d06b3f21cdc5f3d97bcc9b381e1

    • C:\Users\Admin\2des.exe

      Filesize

      132KB

      MD5

      da081a5c83e9130e96acb301295bb14b

      SHA1

      4e46aa4b39ea48c86838432e2724d7d3c508ab01

      SHA256

      7ff325379204c4ab4a2a8cd60f5299eba0582c4fe52014689fd69008d1154646

      SHA512

      46c1c1f0121bb1cd75656461a0e8044b665dc3601a79053516f7092b8230fb08be91eca4da1933d0719a78cf91699d1f6e641d06b3f21cdc5f3d97bcc9b381e1

    • C:\Users\Admin\3des.exe

      Filesize

      286KB

      MD5

      cb278b7760c080ea4f57aea471f0f674

      SHA1

      2c052b2db7a196d127c2b84b62563d0c98ec0413

      SHA256

      74cb6a456be0e9bad997e8c97475c47ab27c40d3627484f7b38a86bd01c78930

      SHA512

      dbdf6a95b53a53f3a3dd929e0b1d63d512c00e9d28bf2f05c3e63707f0208f4f311adc637bb97a9d05bdb6bad9d6c7021aeec8c99ffe7033212e7763d4046bd3

    • C:\Users\Admin\3des.exe

      Filesize

      286KB

      MD5

      cb278b7760c080ea4f57aea471f0f674

      SHA1

      2c052b2db7a196d127c2b84b62563d0c98ec0413

      SHA256

      74cb6a456be0e9bad997e8c97475c47ab27c40d3627484f7b38a86bd01c78930

      SHA512

      dbdf6a95b53a53f3a3dd929e0b1d63d512c00e9d28bf2f05c3e63707f0208f4f311adc637bb97a9d05bdb6bad9d6c7021aeec8c99ffe7033212e7763d4046bd3

    • C:\Users\Admin\AppData\Local\33b020d7\X

      Filesize

      38KB

      MD5

      72de2dadaf875e2fd7614e100419033c

      SHA1

      5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

      SHA256

      c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

      SHA512

      e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

    • C:\Users\Admin\AppData\Local\33b020d7\X

      Filesize

      38KB

      MD5

      72de2dadaf875e2fd7614e100419033c

      SHA1

      5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

      SHA256

      c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

      SHA512

      e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

    • C:\Users\Admin\gau5f8p1.exe

      Filesize

      252KB

      MD5

      3e152747de87d4674484a003398db051

      SHA1

      82557817b08eb981afa68701092d9f6e0d71ef79

      SHA256

      1d5897272a1b899ce244d0863e9cf743adf4a9f5838bed75b7fc6a6e31a9da3e

      SHA512

      dd726c743cac5696bf225d4b8d5cfa7b28f218eb6e7f2325e4f75d3cc4539e417210d477bafbcd82e7eb9e7b4e8ce20ae6ad30e2e7d36d949223bed0c78dcfa7

    • C:\Users\Admin\gau5f8p1.exe

      Filesize

      252KB

      MD5

      3e152747de87d4674484a003398db051

      SHA1

      82557817b08eb981afa68701092d9f6e0d71ef79

      SHA256

      1d5897272a1b899ce244d0863e9cf743adf4a9f5838bed75b7fc6a6e31a9da3e

      SHA512

      dd726c743cac5696bf225d4b8d5cfa7b28f218eb6e7f2325e4f75d3cc4539e417210d477bafbcd82e7eb9e7b4e8ce20ae6ad30e2e7d36d949223bed0c78dcfa7

    • C:\Users\Admin\weecea.exe

      Filesize

      252KB

      MD5

      dea23e7144f33418911d8108b25edff2

      SHA1

      d02ec3a61794681a46e1c5c925ab8b7bd437c987

      SHA256

      4dd8671e339e46e4abc4bf2227a9379a61bbe8cccf5e42d968f604845615df79

      SHA512

      6266871dc0b4cbd4d11231ce281605e4a8062b9f8aac964fc6483fba1df08fb1f2293b677e99229592aff157d610d07ae50863c7b6a393ac6a3c8244140ffc4c

    • C:\Users\Admin\weecea.exe

      Filesize

      252KB

      MD5

      dea23e7144f33418911d8108b25edff2

      SHA1

      d02ec3a61794681a46e1c5c925ab8b7bd437c987

      SHA256

      4dd8671e339e46e4abc4bf2227a9379a61bbe8cccf5e42d968f604845615df79

      SHA512

      6266871dc0b4cbd4d11231ce281605e4a8062b9f8aac964fc6483fba1df08fb1f2293b677e99229592aff157d610d07ae50863c7b6a393ac6a3c8244140ffc4c

    • memory/1084-172-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/1084-186-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/1084-176-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/1084-178-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/1184-173-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1184-170-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1184-164-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1184-185-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1184-196-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1996-192-0x000000000078E000-0x00000000007C5000-memory.dmp

      Filesize

      220KB

    • memory/1996-191-0x0000000030670000-0x00000000306C2000-memory.dmp

      Filesize

      328KB

    • memory/1996-193-0x000000000078E000-0x00000000007C5000-memory.dmp

      Filesize

      220KB

    • memory/4176-157-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/4176-162-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/4176-166-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/4176-161-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/4520-187-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/4520-158-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/4520-156-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/4520-151-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB