Analysis

  • max time kernel
    146s
  • max time network
    172s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    28-07-2021 05:00

General

  • Target

    Purchase Inquiry.Pdf.exe

  • Size

    1.2MB

  • MD5

    d6a51d185e394a8e26bd1a29406d283a

  • SHA1

    26128b0684a819e3488158d040c4d1b906ff473d

  • SHA256

    0cc7962edb5360efdaefae56eeee07f8c70aa2107663f92442df041509e82e93

  • SHA512

    3150c5cc23ca3b4b8ce3bbf9bf7097029e3cb3e5eebef590ca942c1c9424a178b890c39191815149752ef84c06ef2c98576590b2a7404e3d767feb5138d19ac8

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.papablogzzi.com/obow/

Decoy

hinetin.net

narrativebusters.com

jesusmusicatl.com

mywellnessbooking.com

830272.com

mainrein.com

kajeoneworld.com

directaccesss.com

igsecretos.com

campbone.com

socialvidiots.com

abditrade.com

purisopropyl.com

opticalapparatus.com

staveoffboredom.com

evinja.com

onlinebusinesstoolselector.com

todayonly2.info

elitedesign-dz.com

zgszgw.com

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Formbook Payload 3 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 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.

  • Suspicious behavior: EnumeratesProcesses 29 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Users\Admin\AppData\Local\Temp\Purchase Inquiry.Pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Inquiry.Pdf.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1652
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Purchase Inquiry.Pdf.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:472
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PnjbjcWjC.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:540
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PnjbjcWjC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp448F.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:568
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PnjbjcWjC.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1156
      • C:\Users\Admin\AppData\Local\Temp\Purchase Inquiry.Pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Purchase Inquiry.Pdf.exe"
        3⤵
          PID:340
        • C:\Users\Admin\AppData\Local\Temp\Purchase Inquiry.Pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\Purchase Inquiry.Pdf.exe"
          3⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:552
      • C:\Windows\SysWOW64\help.exe
        "C:\Windows\SysWOW64\help.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:612
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\Purchase Inquiry.Pdf.exe"
          3⤵
          • Deletes itself
          PID:1532

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1602f747-c1a3-4345-8dec-4dcb8b1f72e5
      MD5

      02ff38ac870de39782aeee04d7b48231

      SHA1

      0390d39fa216c9b0ecdb38238304e518fb2b5095

      SHA256

      fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

      SHA512

      24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_2d686436-375c-4ee1-bd4a-9e44ccd248ba
      MD5

      75a8da7754349b38d64c87c938545b1b

      SHA1

      5c28c257d51f1c1587e29164cc03ea880c21b417

      SHA256

      bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

      SHA512

      798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_4375eeb7-a65d-43f1-a616-02c5ad6c5370
      MD5

      be4d72095faf84233ac17b94744f7084

      SHA1

      cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

      SHA256

      b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

      SHA512

      43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_49d7e4ce-90b6-4837-84b5-a2837413a6f2
      MD5

      d89968acfbd0cd60b51df04860d99896

      SHA1

      b3c29916ccb81ce98f95bbf3aa8a73de16298b29

      SHA256

      1020cc7c929cd5a4e68ccb40353ca76f427df363f0d95e456eb79db039bdb2b9

      SHA512

      b0e886cce598371b59131fed1535e220c798691bad93ef9474ba440066f5a6bd77a60966604b7a5ff6298b2e200c9dd0c8f9f04aff208b2af423480ead4e8842

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_55cac101-7955-456d-9862-fcbfc56590f9
      MD5

      a70ee38af4bb2b5ed3eeb7cbd1a12fa3

      SHA1

      81dbaeae4b0f9e1adc0a1e3d6d76a12396498ba9

      SHA256

      dd2f41f92f19c3fe031bdf5da68ab06768e26762d0077b290cd0094df1d5d58d

      SHA512

      8c69a5300c7545c5c4b25a0594e6813b6b7a85b5f3ae7fc5464b4074fe6f50b2f49d31cacf19bc20a02bb8e237656f1b9b2a3f6a3953e3a8478ca2adc154e0e3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6fe5bd95-2cea-4aea-9c8c-dd67bac4295b
      MD5

      df44874327d79bd75e4264cb8dc01811

      SHA1

      1396b06debed65ea93c24998d244edebd3c0209d

      SHA256

      55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

      SHA512

      95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_bc2fe8ee-69c0-48ce-8821-1fab80ab4eeb
      MD5

      597009ea0430a463753e0f5b1d1a249e

      SHA1

      4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

      SHA256

      3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

      SHA512

      5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_f4d19c7e-1190-471d-9476-221d45fc71b2
      MD5

      354b8209f647a42e2ce36d8cf326cc92

      SHA1

      98c3117f797df69935f8b09fc9e95accfe3d8346

      SHA256

      feae405d288fdd38438f9d9b54f791f3ce3805f1bb88780da5aca402ad372239

      SHA512

      420be869b58e9a7a2c31f2550ac269df832935692a6431d455a10d9b426781e79d91e30ace2c465633b8a7ff2be1bf49734d8b99a390090dc4b36411d4391ff0

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_f72eec2e-d466-4526-b256-2f8256b8dab9
      MD5

      7f79b990cb5ed648f9e583fe35527aa7

      SHA1

      71b177b48c8bd745ef02c2affad79ca222da7c33

      SHA256

      080ec69d3f2abac629a0bdc314f150ad42a9a1b0a031b1d5c7b5b80051c48683

      SHA512

      20926edf7f0b990da4bd8d7ba91bd8bf7b952b75080f687afa7197a91777604688303d38b4a0a7240b558c23f2e0cd927d3590765109f8be0551f5eb050eafda

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fa12b0a1-3d6a-4bab-a74a-253a75ca0598
      MD5

      5e3c7184a75d42dda1a83606a45001d8

      SHA1

      94ca15637721d88f30eb4b6220b805c5be0360ed

      SHA256

      8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

      SHA512

      fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fd9bf4da-ec38-4847-85c5-d50f35796d4c
      MD5

      a725bb9fafcf91f3c6b7861a2bde6db2

      SHA1

      8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

      SHA256

      51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

      SHA512

      1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fd9bf4da-ec38-4847-85c5-d50f35796d4c
      MD5

      a725bb9fafcf91f3c6b7861a2bde6db2

      SHA1

      8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

      SHA256

      51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

      SHA512

      1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fe80cd26-0cf7-4e38-9884-6dab53b04ca9
      MD5

      b6d38f250ccc9003dd70efd3b778117f

      SHA1

      d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

      SHA256

      4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

      SHA512

      67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

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

      2ae7bbee17b74f0fcd5c7d00320c8c98

      SHA1

      a8e7a9f80bec9c1c89394b1373f91f0f34b48096

      SHA256

      745ecdabb2931731467d506e32218cc805dc881e1c2b44b019b81f0448a34a87

      SHA512

      d8ff80e0074bed4645b87e881dc5bc6681178c0c823ffdf2cdbc437b52ce6ab54a43ee5d9cf14d3abc84671be4aedbff0408a76c37adaa1a2e030bdc56634c0b

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

      e66686c40c89bf2592a39036bde79af7

      SHA1

      fcf308845c55b17373a76553357979f72f9c6126

      SHA256

      e55eb50dfd122206a8c14879febabec54ebf15de6c8be6a373a1ac085cbb54d9

      SHA512

      4259672329d992a19dafd2bdc054f4665b3613c4cc202bc3ffaef62086009d0f9e9e67da2d1f0bbd07bbc237604ee5761ec8a847a32c16fc2561206c35cb0430

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

      7d627b64627f2aac758f56a3c6015d59

      SHA1

      48a6ac074b483b3d518c6340c8e513285eb543cd

      SHA256

      ce13c1395369541288bcf734a8f8ed19b3168695a09d2aae657dd3dcd5960ff8

      SHA512

      c3602cb86a29cc88b39cce0d22c22d6f839d326c663cdc959cc1b85e2df90f9dc5629d84c276c1fec7fb964666b332a01f21abab2856faa35a48d24d25bfce7f

    • C:\Users\Admin\AppData\Local\Temp\tmp448F.tmp
      MD5

      92114401a59f84ab8858563d391703f6

      SHA1

      3a301f44632d418033b80a1d633306f52ea79c0f

      SHA256

      efc97b61aee215df9489dbf1653148c43081d27e9a4b887d15aad8f0b0a9da43

      SHA512

      867f9536c06869b7c75ddc1aa4e5383f5fa98b74b6f3851725b0a7c151eb67df3c4d7ec7c7c0aa54aa476b8c2201bd6712494566cf192d7f93f3e2afed7c90a0

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

      3e4d07569ae323e815fb7eb9b5242f92

      SHA1

      feefde4daf2a7b9b08f6a9ab4b08888ca8548fa7

      SHA256

      9b8cc996ceb6261d054ce1421d547666fe11318dc11fe918018e9f5a09a16bd7

      SHA512

      24d8aaf37b378d39c61d843db7e12aaad148b0d0e2e0e1db6e779642f9ec3e5cd6b4f0253939bd909ead926df480f77bbde834b5f064334e92b684e7aae12956

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

      3e4d07569ae323e815fb7eb9b5242f92

      SHA1

      feefde4daf2a7b9b08f6a9ab4b08888ca8548fa7

      SHA256

      9b8cc996ceb6261d054ce1421d547666fe11318dc11fe918018e9f5a09a16bd7

      SHA512

      24d8aaf37b378d39c61d843db7e12aaad148b0d0e2e0e1db6e779642f9ec3e5cd6b4f0253939bd909ead926df480f77bbde834b5f064334e92b684e7aae12956

    • memory/472-105-0x00000000060E0000-0x00000000060E1000-memory.dmp
      Filesize

      4KB

    • memory/472-107-0x00000000061D0000-0x00000000061D1000-memory.dmp
      Filesize

      4KB

    • memory/472-66-0x0000000000000000-mapping.dmp
    • memory/472-67-0x0000000076E11000-0x0000000076E13000-memory.dmp
      Filesize

      8KB

    • memory/472-86-0x0000000001F90000-0x0000000002BDA000-memory.dmp
      Filesize

      12.3MB

    • memory/472-142-0x0000000006310000-0x0000000006311000-memory.dmp
      Filesize

      4KB

    • memory/472-141-0x0000000006300000-0x0000000006301000-memory.dmp
      Filesize

      4KB

    • memory/472-126-0x0000000005FA0000-0x0000000005FA1000-memory.dmp
      Filesize

      4KB

    • memory/472-100-0x0000000006040000-0x0000000006041000-memory.dmp
      Filesize

      4KB

    • memory/472-119-0x0000000006280000-0x0000000006281000-memory.dmp
      Filesize

      4KB

    • memory/472-111-0x000000007EF30000-0x000000007EF31000-memory.dmp
      Filesize

      4KB

    • memory/540-72-0x0000000002050000-0x0000000002051000-memory.dmp
      Filesize

      4KB

    • memory/540-68-0x0000000000000000-mapping.dmp
    • memory/540-92-0x0000000002690000-0x0000000002691000-memory.dmp
      Filesize

      4KB

    • memory/540-73-0x0000000004840000-0x0000000004841000-memory.dmp
      Filesize

      4KB

    • memory/540-95-0x0000000005340000-0x0000000005341000-memory.dmp
      Filesize

      4KB

    • memory/540-85-0x0000000004802000-0x0000000004803000-memory.dmp
      Filesize

      4KB

    • memory/540-84-0x0000000004800000-0x0000000004801000-memory.dmp
      Filesize

      4KB

    • memory/552-90-0x0000000000190000-0x00000000001A4000-memory.dmp
      Filesize

      80KB

    • memory/552-89-0x0000000000A20000-0x0000000000D23000-memory.dmp
      Filesize

      3.0MB

    • memory/552-80-0x000000000041EAC0-mapping.dmp
    • memory/552-78-0x0000000000400000-0x000000000042E000-memory.dmp
      Filesize

      184KB

    • memory/568-70-0x0000000000000000-mapping.dmp
    • memory/612-152-0x00000000003E0000-0x0000000000473000-memory.dmp
      Filesize

      588KB

    • memory/612-106-0x0000000000000000-mapping.dmp
    • memory/612-114-0x0000000000490000-0x0000000000496000-memory.dmp
      Filesize

      24KB

    • memory/612-116-0x0000000000080000-0x00000000000AE000-memory.dmp
      Filesize

      184KB

    • memory/612-112-0x00000000008C0000-0x0000000000BC3000-memory.dmp
      Filesize

      3.0MB

    • memory/1156-76-0x0000000000000000-mapping.dmp
    • memory/1156-87-0x00000000047D0000-0x00000000047D1000-memory.dmp
      Filesize

      4KB

    • memory/1156-88-0x00000000047D2000-0x00000000047D3000-memory.dmp
      Filesize

      4KB

    • memory/1240-91-0x0000000004050000-0x000000000411E000-memory.dmp
      Filesize

      824KB

    • memory/1240-153-0x0000000006970000-0x0000000006AB1000-memory.dmp
      Filesize

      1.3MB

    • memory/1532-118-0x0000000000000000-mapping.dmp
    • memory/1652-65-0x00000000005F0000-0x0000000000624000-memory.dmp
      Filesize

      208KB

    • memory/1652-64-0x0000000005610000-0x0000000005688000-memory.dmp
      Filesize

      480KB

    • memory/1652-63-0x0000000000290000-0x000000000029B000-memory.dmp
      Filesize

      44KB

    • memory/1652-62-0x0000000000660000-0x0000000000661000-memory.dmp
      Filesize

      4KB

    • memory/1652-60-0x0000000000DF0000-0x0000000000DF1000-memory.dmp
      Filesize

      4KB