Analysis

  • max time kernel
    151s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    23-04-2021 13:04

General

  • Target

    CONFIRM ORDER_O452-11189H6U77,pdf.exe

  • Size

    743KB

  • MD5

    a10b06acd92325678e2b960544c9257f

  • SHA1

    754dfa9962325d7ad6676779bafcd8b5e18d6978

  • SHA256

    6ce1eb96c697ce276022f1a14fe7da73f910487fcfb384d676b28aa55f0c05ca

  • SHA512

    8fef2e063e121fdf49f2d1fedb35aa6bd17fcf15e775f2460d473f13783e9e9f256765c3da6b7aa8334dd096d69c6b5774ba1ee7f703f6e07a4acaabdcc0a249

Score
10/10

Malware Config

Extracted

Family

remcos

C2

goddywin.freedynamicdns.net:6712

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • 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.

  • Uses the VBS compiler for execution 1 TTPs
  • 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 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.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CONFIRM ORDER_O452-11189H6U77,pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\CONFIRM ORDER_O452-11189H6U77,pdf.exe"
    1⤵
    • 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:1028
    • 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\CONFIRM ORDER_O452-11189H6U77,pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1036
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JttnSaHiiAm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:820
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JttnSaHiiAm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:752
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JttnSaHiiAm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1560
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:304

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_0a5d2fa1-d629-433e-8fa2-2574cfc79eb6

      MD5

      a70ee38af4bb2b5ed3eeb7cbd1a12fa3

      SHA1

      81dbaeae4b0f9e1adc0a1e3d6d76a12396498ba9

      SHA256

      dd2f41f92f19c3fe031bdf5da68ab06768e26762d0077b290cd0094df1d5d58d

      SHA512

      8c69a5300c7545c5c4b25a0594e6813b6b7a85b5f3ae7fc5464b4074fe6f50b2f49d31cacf19bc20a02bb8e237656f1b9b2a3f6a3953e3a8478ca2adc154e0e3

    • 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_60554f64-a36e-4439-8748-76f202d7cb75

      MD5

      02ff38ac870de39782aeee04d7b48231

      SHA1

      0390d39fa216c9b0ecdb38238304e518fb2b5095

      SHA256

      fbd66a9baf753db31b8de23f2d51b67f8676687503653103080c45b16f1dc876

      SHA512

      24a1ff76ee42ff7a5ea42843928c4df07b06178f7781cd840e1e086e88735d81506eb67259ff1e6ce5aaa7c5baea03886da265eb7e025ff4dc4c4b5f8cd3e341

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_61a65915-5a40-47ac-90dc-df1a89db069a

      MD5

      354b8209f647a42e2ce36d8cf326cc92

      SHA1

      98c3117f797df69935f8b09fc9e95accfe3d8346

      SHA256

      feae405d288fdd38438f9d9b54f791f3ce3805f1bb88780da5aca402ad372239

      SHA512

      420be869b58e9a7a2c31f2550ac269df832935692a6431d455a10d9b426781e79d91e30ace2c465633b8a7ff2be1bf49734d8b99a390090dc4b36411d4391ff0

    • 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_7301624b-ca1c-43fa-8312-c79c76e7e45c

      MD5

      7f79b990cb5ed648f9e583fe35527aa7

      SHA1

      71b177b48c8bd745ef02c2affad79ca222da7c33

      SHA256

      080ec69d3f2abac629a0bdc314f150ad42a9a1b0a031b1d5c7b5b80051c48683

      SHA512

      20926edf7f0b990da4bd8d7ba91bd8bf7b952b75080f687afa7197a91777604688303d38b4a0a7240b558c23f2e0cd927d3590765109f8be0551f5eb050eafda

    • 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_a3e924f3-e7a9-4c0d-9a07-db0e51ae0b1c

      MD5

      d89968acfbd0cd60b51df04860d99896

      SHA1

      b3c29916ccb81ce98f95bbf3aa8a73de16298b29

      SHA256

      1020cc7c929cd5a4e68ccb40353ca76f427df363f0d95e456eb79db039bdb2b9

      SHA512

      b0e886cce598371b59131fed1535e220c798691bad93ef9474ba440066f5a6bd77a60966604b7a5ff6298b2e200c9dd0c8f9f04aff208b2af423480ead4e8842

    • 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_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

      7c2ef8cc44e7fac0e16656ef32629cbd

      SHA1

      51e931465b125c9e10ee744eed0403f5e0f8cbe7

      SHA256

      bbb5b79464782fb0d99f3b28be0915cf5222ad8fc3535a03b079a025945bd1cf

      SHA512

      09eb31ea5182f78cdb89046d64fd923814171096d871d81666dda73ce499ddf733537d0212f1b4e6a3a333c9e1afa73b719e78286b0efe64ff907e5e2f13db4a

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

      MD5

      47bf4f37c8107c183004c24e19d6a352

      SHA1

      5e8d83d9f5985aadb860b7d395fd43f9b1a07e97

      SHA256

      22e83a5de9d14310c5c23b5a9208c2f2d8f30437a48fe955e3a30df19adf368d

      SHA512

      cde63e1f8f3e58794e9a8ce3a6e84c44d968f438513dfd6d139d4288d48eed03bfc5af17d9295d0595eda0dded19b2981dee98740ef6e759f871d1f7a60bf6b6

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

      MD5

      47bf4f37c8107c183004c24e19d6a352

      SHA1

      5e8d83d9f5985aadb860b7d395fd43f9b1a07e97

      SHA256

      22e83a5de9d14310c5c23b5a9208c2f2d8f30437a48fe955e3a30df19adf368d

      SHA512

      cde63e1f8f3e58794e9a8ce3a6e84c44d968f438513dfd6d139d4288d48eed03bfc5af17d9295d0595eda0dded19b2981dee98740ef6e759f871d1f7a60bf6b6

    • C:\Users\Admin\AppData\Local\Temp\tmp1.tmp

      MD5

      6ff3bf5a89b280a3e63e829aec1d4aaf

      SHA1

      049a4f385aeb691a89ad8cd9eb5891899dd54337

      SHA256

      9f5698ded08896c62637c92bc3718e4657ae7664084c1abc3db79249556ebddb

      SHA512

      195f024c38f1f57939027fe18c307db00de74bed94ce9dd792dc2f9e27679f9bc20e860617114776c1a15aa15f95aa30e26c4b1f1d5349a9a0888604fd9bd797

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

      MD5

      3d506bd7153d8bbbe74e673d00e5387a

      SHA1

      e5c8997db7e724d84ac86592f243581472147328

      SHA256

      fd4ccb24cd5ed54a47ead72d289a95cf5b19bcbf0c23136992fcb142a3771b74

      SHA512

      cabc93a05863da48e2e1c5a352703c6afc14d6865996d0ce395479ca548b83b9b2a80bebad28d95aaa699d34ddd51058396805928c99b36bf368c2a5ea15dc00

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

      MD5

      3d506bd7153d8bbbe74e673d00e5387a

      SHA1

      e5c8997db7e724d84ac86592f243581472147328

      SHA256

      fd4ccb24cd5ed54a47ead72d289a95cf5b19bcbf0c23136992fcb142a3771b74

      SHA512

      cabc93a05863da48e2e1c5a352703c6afc14d6865996d0ce395479ca548b83b9b2a80bebad28d95aaa699d34ddd51058396805928c99b36bf368c2a5ea15dc00

    • memory/304-87-0x0000000000413FA4-mapping.dmp

    • memory/304-91-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/304-86-0x0000000000400000-0x0000000000421000-memory.dmp

      Filesize

      132KB

    • memory/752-71-0x0000000000000000-mapping.dmp

    • memory/820-81-0x00000000026A0000-0x00000000032EA000-memory.dmp

      Filesize

      12.3MB

    • memory/820-70-0x0000000000000000-mapping.dmp

    • memory/820-79-0x00000000026A0000-0x00000000032EA000-memory.dmp

      Filesize

      12.3MB

    • memory/1028-62-0x0000000004EE0000-0x0000000004EE1000-memory.dmp

      Filesize

      4KB

    • memory/1028-63-0x0000000000290000-0x000000000029D000-memory.dmp

      Filesize

      52KB

    • memory/1028-60-0x00000000000F0000-0x00000000000F1000-memory.dmp

      Filesize

      4KB

    • memory/1028-64-0x0000000004E30000-0x0000000004EA5000-memory.dmp

      Filesize

      468KB

    • memory/1028-65-0x0000000000710000-0x0000000000747000-memory.dmp

      Filesize

      220KB

    • memory/1036-66-0x0000000000000000-mapping.dmp

    • memory/1036-78-0x0000000004AA2000-0x0000000004AA3000-memory.dmp

      Filesize

      4KB

    • memory/1036-67-0x0000000075801000-0x0000000075803000-memory.dmp

      Filesize

      8KB

    • memory/1036-68-0x0000000000C00000-0x0000000000C01000-memory.dmp

      Filesize

      4KB

    • memory/1036-77-0x0000000004AA0000-0x0000000004AA1000-memory.dmp

      Filesize

      4KB

    • memory/1036-95-0x0000000002810000-0x0000000002811000-memory.dmp

      Filesize

      4KB

    • memory/1036-69-0x0000000004AE0000-0x0000000004AE1000-memory.dmp

      Filesize

      4KB

    • memory/1036-92-0x0000000001150000-0x0000000001151000-memory.dmp

      Filesize

      4KB

    • memory/1560-100-0x00000000057D0000-0x00000000057D1000-memory.dmp

      Filesize

      4KB

    • memory/1560-137-0x0000000006450000-0x0000000006451000-memory.dmp

      Filesize

      4KB

    • memory/1560-136-0x0000000006440000-0x0000000006441000-memory.dmp

      Filesize

      4KB

    • memory/1560-121-0x0000000005790000-0x0000000005791000-memory.dmp

      Filesize

      4KB

    • memory/1560-80-0x0000000000000000-mapping.dmp

    • memory/1560-114-0x000000007EF30000-0x000000007EF31000-memory.dmp

      Filesize

      4KB

    • memory/1560-113-0x0000000006380000-0x0000000006381000-memory.dmp

      Filesize

      4KB

    • memory/1560-106-0x0000000006260000-0x0000000006261000-memory.dmp

      Filesize

      4KB

    • memory/1560-105-0x0000000005830000-0x0000000005831000-memory.dmp

      Filesize

      4KB

    • memory/1560-90-0x00000000026A0000-0x00000000032EA000-memory.dmp

      Filesize

      12.3MB

    • memory/1560-89-0x00000000026A0000-0x00000000032EA000-memory.dmp

      Filesize

      12.3MB