Analysis

  • max time kernel
    152s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    10-05-2021 13:15

General

  • Target

    INVOICE.exe

  • Size

    725KB

  • MD5

    1939130a95b16662cea59b8812f9c505

  • SHA1

    f4103a530615a7c5ae8e712dad07f750ceba9b9a

  • SHA256

    320dab87aef07c03720923504dd0506f7d3e67de57b0067ebf0694966982db89

  • SHA512

    ed6bf56ba3d0883a50641c7f62146b0becd20bf0fefef342ff7afde7855019fe922ced2fd256e6d49eed33095b6b3be02aa524b621fdda203452d69e26b0ae79

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.cheerstogethergifthouse.com/wrcb/

Decoy

tweetbeer.com

bizgrowth.expert

podmir.com

christiankidzhub.com

influencer.care

ido.enterprises

nakedmillion.xyz

nattylinux.net

justbathroomsny.com

luisxe.info

simplecopyshop.com

cometomygame.com

odysseesante.com

stophetcovidvirus.online

laconsultoriadetrafico.com

mediumsusanne.com

sidhusonds.com

nakrutci.com

8939299.com

guarderiajady.com

Signatures

  • Formbook

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

  • Formbook Payload 2 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Looks for VMWare Tools registry key 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Deletes itself 1 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 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 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1204
    • C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
      "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
      2⤵
      • Checks BIOS information in registry
      • Maps connected drives based on registry
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:736
      • 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\INVOICE.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:668
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HGiDNGt.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1556
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HGiDNGt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp475C.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:2000
      • C:\Users\Admin\AppData\Local\Temp\INVOICE.exe
        "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1448
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HGiDNGt.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:916
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      2⤵
        PID:1396
      • C:\Windows\SysWOW64\msiexec.exe
        "C:\Windows\SysWOW64\msiexec.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1892
        • C:\Windows\SysWOW64\cmd.exe
          /c del "C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"
          3⤵
          • Deletes itself
          PID:1768

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_10a2719f-ab19-452c-9537-375fecbe5f96

      MD5

      df44874327d79bd75e4264cb8dc01811

      SHA1

      1396b06debed65ea93c24998d244edebd3c0209d

      SHA256

      55de642c5c9e436ec01c57004dae797022442c3245daf7162d19a5585f221181

      SHA512

      95dc9298b8db059bbe746f67e6a7f8515781c7053cc60c01532e47623a996be7e1bd23d1bd8f5f2045adff27454f44930d503c15b695690088841cedbd2a06c3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1abda922-9e0e-4200-89d0-60796083afcc

      MD5

      be4d72095faf84233ac17b94744f7084

      SHA1

      cc78ce5b9c57573bd214a8f423ee622b00ebb1ec

      SHA256

      b0d72c5c22e57913476ac8fc686a4593f137c6667d5094522c0a0685dabd7adc

      SHA512

      43856e9b1032b8690ceea810c931bed3655e9190414bb220fb6afc136f31b8335e07604dffb28405d4006f266a54cff424c527d29924b1b732c9647a3252b097

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_32b21970-4839-4ac5-a2ad-cc925aecc47c

      MD5

      a725bb9fafcf91f3c6b7861a2bde6db2

      SHA1

      8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

      SHA256

      51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

      SHA512

      1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_32b21970-4839-4ac5-a2ad-cc925aecc47c

      MD5

      a725bb9fafcf91f3c6b7861a2bde6db2

      SHA1

      8bb5b83f3cc37ff1e5ea4f02acae38e72364c114

      SHA256

      51651f27f54c7261887037aa1de4eff0a26c6807906dfc34a15cd5a0b58a8431

      SHA512

      1c4b21dd5660bfec8347257bb3da64681b0a97c427790d9ab3484f687dac032bcff0e07876635953697b00cf83e7d37f97c44e0219627fd0533f60ed3024b97e

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_54e1dac6-3501-4376-8222-99bf780f45e7

      MD5

      354b8209f647a42e2ce36d8cf326cc92

      SHA1

      98c3117f797df69935f8b09fc9e95accfe3d8346

      SHA256

      feae405d288fdd38438f9d9b54f791f3ce3805f1bb88780da5aca402ad372239

      SHA512

      420be869b58e9a7a2c31f2550ac269df832935692a6431d455a10d9b426781e79d91e30ace2c465633b8a7ff2be1bf49734d8b99a390090dc4b36411d4391ff0

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_60554f64-a36e-4439-8748-76f202d7cb75

      MD5

      02ff38ac870de39782aeee04d7b48231

      SHA1

      0390d39fa216c9b0ecdb38238304e518fb2b5095

      SHA256

      fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

      SHA512

      24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6ccb18ff-7a22-469e-90e7-ccc861e1432b

      MD5

      b6d38f250ccc9003dd70efd3b778117f

      SHA1

      d5a17c02cac698d4f0a4a9b7d71db2aa19e3f18a

      SHA256

      4de9d7b5ccab7b67ca8efc83084c7ee6e5e872b7216ed4683bc5da950bf41265

      SHA512

      67d8195836b7f280d3f9219fd0f58276342e55d5dfdd8a4c54355030d96685d73f1b2b6da0eb39322ec7c3a1d1c5ef06b52d22646cea30a96f822de1800d31e9

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7bc5ca8a-50eb-4a28-856a-31595e01418a

      MD5

      597009ea0430a463753e0f5b1d1a249e

      SHA1

      4e38b8bb65ecbd5c9f0d3d8c47f7caba33de6c62

      SHA256

      3fd2a8217a845c43dbc0dc206c28be81d2687aa9ba62019d905aef10cfaec45d

      SHA512

      5d722fa908e64575b2497c60d142e182011a10c6ed33813b3b4796b3147ece1bc96938518b4c8911a1bac3b7560528ebe3e8e754c11015516d335df5d7c6871d

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_afcedf5b-5172-4363-863a-99588a1b9a46

      MD5

      7f79b990cb5ed648f9e583fe35527aa7

      SHA1

      71b177b48c8bd745ef02c2affad79ca222da7c33

      SHA256

      080ec69d3f2abac629a0bdc314f150ad42a9a1b0a031b1d5c7b5b80051c48683

      SHA512

      20926edf7f0b990da4bd8d7ba91bd8bf7b952b75080f687afa7197a91777604688303d38b4a0a7240b558c23f2e0cd927d3590765109f8be0551f5eb050eafda

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b2dd9aa7-f1b3-46c2-91fc-7b15abdef888

      MD5

      a70ee38af4bb2b5ed3eeb7cbd1a12fa3

      SHA1

      81dbaeae4b0f9e1adc0a1e3d6d76a12396498ba9

      SHA256

      dd2f41f92f19c3fe031bdf5da68ab06768e26762d0077b290cd0094df1d5d58d

      SHA512

      8c69a5300c7545c5c4b25a0594e6813b6b7a85b5f3ae7fc5464b4074fe6f50b2f49d31cacf19bc20a02bb8e237656f1b9b2a3f6a3953e3a8478ca2adc154e0e3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_bd47eb21-a96b-4ccd-99d7-0d9f3f6c10b6

      MD5

      75a8da7754349b38d64c87c938545b1b

      SHA1

      5c28c257d51f1c1587e29164cc03ea880c21b417

      SHA256

      bf08151c174b5d00c9dbc7907b2c6a01b4be76bfa3afce1e8bd98a04ad833c96

      SHA512

      798797bc74c56c874e9a5fdcb0157c04e37a1b3cce285ef064b01bceef8cec45f11a5198918c6c647220b62883606b5e12e3cca3ea369f3a66e69dea6e15f643

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_c17a2103-924d-4b25-8f2f-3cc5e21c6d3b

      MD5

      d89968acfbd0cd60b51df04860d99896

      SHA1

      b3c29916ccb81ce98f95bbf3aa8a73de16298b29

      SHA256

      1020cc7c929cd5a4e68ccb40353ca76f427df363f0d95e456eb79db039bdb2b9

      SHA512

      b0e886cce598371b59131fed1535e220c798691bad93ef9474ba440066f5a6bd77a60966604b7a5ff6298b2e200c9dd0c8f9f04aff208b2af423480ead4e8842

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_c9b427a0-6073-4eb8-9b09-f8e4712d7ab5

      MD5

      5e3c7184a75d42dda1a83606a45001d8

      SHA1

      94ca15637721d88f30eb4b6220b805c5be0360ed

      SHA256

      8278033a65d1ff48be4d86e11f87930d187692f59f8bf2f0a9d170de285afb59

      SHA512

      fae99b6e9b106e0f1c30aa4082b25ae1ad643455c1295c2c16ad534e3e611b9b08492353ffe1af1cfdddc9b2b7c330747a64012c45e62b8f4a4982dcc214e05b

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

      MD5

      6b603b1d53dc8ae2e74e37bf1f6cd953

      SHA1

      606a0e81b72d46a72eb610bcd9fd67ee41ffaf32

      SHA256

      4ec56a701e07ef3e2582620194a2047795cc618c5b3e87f3ab2773c0bc61fd2e

      SHA512

      8464ef798e4e86a85ceda2dbbd795dfe222b837ff189fed27515dd661150215bebdf445817b74940e22d79f242e990547774e324e68a0e6665a003322413f845

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

      MD5

      db241688280659ca35309e15393a69a9

      SHA1

      ec19a2e1e025a05d0745261f1cc72bcd0942b20d

      SHA256

      4e31672c3a87f3b304bbb3f08c1c726cbc55406cee756f03df82440db5585894

      SHA512

      a5d38dee57df34a9754fd8f9c0bbae31b39f96c32793f9c7d081ed6cdcb44085df0e4941220930409323a19c45005fde87c90330317c68fbf01511c9f5156b6c

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

      MD5

      75b431b99ab225167924b64b60abc5f2

      SHA1

      860e3aa4508ed688e1bba82b235f03f99ebe5d29

      SHA256

      8b91b04cad953f9fe3b01616ab6c834e8abc0cacbf2e3d25d9feb8ca1a759c23

      SHA512

      58722a43df4388b8f507adb77c3a1662a6fef8f2b434bfa7df79849e0fbcf1ca570031531a0306b3adbb6caeac5ce4efd45c5a13d28553f4b91d66ae816c35e5

    • C:\Users\Admin\AppData\Local\Temp\tmp475C.tmp

      MD5

      f69ebf7916c042bde5a60a137d94ccb7

      SHA1

      b3a8d547188be3029cf10e9d79e88260e9fa9df3

      SHA256

      74ebece166984cf81a16edc05bcbf971125a7678707c386c199d230ab3716e5f

      SHA512

      297b87859b6c107279c92a7e8060297088452316036162ad496a4a9cbe73276ff7845c704fe40d5a6db61710bfe2a2cfd8147fd6f05e0fc3bad4498c1a73e34e

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

      MD5

      5428e7669e8102b43471b712894ed96a

      SHA1

      d9ab71fd27f6992a2b7ccdc21e55618ea718e42d

      SHA256

      6516b70b6164f44dd7dd09bce1b8083504170057d59f65d803fcc7dec17942e6

      SHA512

      47b25fc475ddcdcce44752666d34f4dabdbb5c82f7adcef23df98d70eac329432f0e6fd3e794e00aa1fa26fe5083a2b48fdc762495ea2a158e9c815a37872572

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

      MD5

      5428e7669e8102b43471b712894ed96a

      SHA1

      d9ab71fd27f6992a2b7ccdc21e55618ea718e42d

      SHA256

      6516b70b6164f44dd7dd09bce1b8083504170057d59f65d803fcc7dec17942e6

      SHA512

      47b25fc475ddcdcce44752666d34f4dabdbb5c82f7adcef23df98d70eac329432f0e6fd3e794e00aa1fa26fe5083a2b48fdc762495ea2a158e9c815a37872572

    • memory/668-74-0x0000000004810000-0x0000000004811000-memory.dmp

      Filesize

      4KB

    • memory/668-67-0x0000000000000000-mapping.dmp

    • memory/668-68-0x0000000075891000-0x0000000075893000-memory.dmp

      Filesize

      8KB

    • memory/668-93-0x0000000002790000-0x0000000002791000-memory.dmp

      Filesize

      4KB

    • memory/668-72-0x0000000000470000-0x0000000000471000-memory.dmp

      Filesize

      4KB

    • memory/668-78-0x0000000001F20000-0x0000000002B6A000-memory.dmp

      Filesize

      12.3MB

    • memory/736-60-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

      Filesize

      4KB

    • memory/736-66-0x0000000000690000-0x00000000006C8000-memory.dmp

      Filesize

      224KB

    • memory/736-62-0x00000000003B0000-0x00000000003B4000-memory.dmp

      Filesize

      16KB

    • memory/736-63-0x0000000004E60000-0x0000000004E61000-memory.dmp

      Filesize

      4KB

    • memory/736-65-0x0000000004FA0000-0x000000000501F000-memory.dmp

      Filesize

      508KB

    • memory/916-79-0x0000000000000000-mapping.dmp

    • memory/1396-64-0x000007FEFBEA1000-0x000007FEFBEA3000-memory.dmp

      Filesize

      8KB

    • memory/1448-82-0x000000000041ED40-mapping.dmp

    • memory/1448-81-0x0000000000400000-0x000000000042E000-memory.dmp

      Filesize

      184KB

    • memory/1556-134-0x00000000063C0000-0x00000000063C1000-memory.dmp

      Filesize

      4KB

    • memory/1556-105-0x0000000006280000-0x0000000006281000-memory.dmp

      Filesize

      4KB

    • memory/1556-135-0x00000000063D0000-0x00000000063D1000-memory.dmp

      Filesize

      4KB

    • memory/1556-69-0x0000000000000000-mapping.dmp

    • memory/1556-88-0x00000000026C0000-0x00000000026C1000-memory.dmp

      Filesize

      4KB

    • memory/1556-119-0x00000000056D0000-0x00000000056D1000-memory.dmp

      Filesize

      4KB

    • memory/1556-99-0x0000000005710000-0x0000000005711000-memory.dmp

      Filesize

      4KB

    • memory/1556-104-0x00000000061C0000-0x00000000061C1000-memory.dmp

      Filesize

      4KB

    • memory/1556-83-0x0000000004910000-0x0000000004911000-memory.dmp

      Filesize

      4KB

    • memory/1556-112-0x0000000006340000-0x0000000006341000-memory.dmp

      Filesize

      4KB

    • memory/1768-96-0x0000000000000000-mapping.dmp

    • memory/1892-91-0x0000000000000000-mapping.dmp

    • memory/2000-70-0x0000000000000000-mapping.dmp