Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2024 01:41

General

  • Target

    bfaff05d955bf301ac5617ce3a35f4f58322851f79bd65f3e637d89f4da09804N.exe

  • Size

    1.2MB

  • MD5

    ebfc87afe94a6323242d16dd1ebf9b80

  • SHA1

    347bc60b22f6ba18de247260336ec8908b7dc05e

  • SHA256

    bfaff05d955bf301ac5617ce3a35f4f58322851f79bd65f3e637d89f4da09804

  • SHA512

    f4d86f04d0e6d4bb971022b99c79cc647f6f9ff1c5d1a5319324b6f19710d554a9c7548c8b3d73fde9f06813404a425a35033e2284338f4779180ec7054f9104

  • SSDEEP

    24576:FTqdmN5O7j/gb4aoXLJBOKjISnFZ53TMTK/vmmlSdnDdOvpdYUWg5XQBppynhJk/:HzzcdbOExFZRTMK/OiS6R2KKpeXm147E

Malware Config

Extracted

Family

remcos

Botnet

ASG001-01

C2

salma12.myftp.org:2525

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-9R7QED

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bfaff05d955bf301ac5617ce3a35f4f58322851f79bd65f3e637d89f4da09804N.exe
    "C:\Users\Admin\AppData\Local\Temp\bfaff05d955bf301ac5617ce3a35f4f58322851f79bd65f3e637d89f4da09804N.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4192
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy William William.cmd && William.cmd
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4244
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1348
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I "wrsa opssvc"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1676
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4572
      • C:\Windows\SysWOW64\findstr.exe
        findstr "AvastUI AVGUI bdservicehost nsWscSvc ekrn SophosHealth"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1624
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c md 348017
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1056
      • C:\Windows\SysWOW64\findstr.exe
        findstr /V "CarlIndependentTilesAdditionCommitGovtRelElder" Organized
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3844
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c copy /b ..\Falls + ..\Buddy + ..\Salem + ..\Arab + ..\Swingers + ..\Eleven + ..\Qualification + ..\Drives + ..\Hostel A
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2672
      • C:\Users\Admin\AppData\Local\Temp\348017\Tex.com
        Tex.com A
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4168
      • C:\Windows\SysWOW64\choice.exe
        choice /d y /t 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\348017\A

    Filesize

    686KB

    MD5

    26538334feac348cac40e882e1d07815

    SHA1

    82c1405d6338c50fc34ee7a119797efb0c6f5877

    SHA256

    3d948708558f5478920d1a844ff941a7492d3b99f5a142a7782ae1bf2247baed

    SHA512

    dd3d61fb9632e1a16b7bcb9e1f3c55e69176a40180f3fc3c7e28c9773dd424ab276dc97a7abb9c7c3ede5218aca6ded98da130a7516e8fbb96ede3cd684e2f3b

  • C:\Users\Admin\AppData\Local\Temp\348017\Tex.com

    Filesize

    925KB

    MD5

    62d09f076e6e0240548c2f837536a46a

    SHA1

    26bdbc63af8abae9a8fb6ec0913a307ef6614cf2

    SHA256

    1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49

    SHA512

    32de0d8bb57f3d3eb01d16950b07176866c7fb2e737d9811f61f7be6606a6a38a5fc5d4d2ae54a190636409b2a7943abca292d6cefaa89df1fc474a1312c695f

  • C:\Users\Admin\AppData\Local\Temp\Actual

    Filesize

    70KB

    MD5

    92437159649378030f8f35852b8d2390

    SHA1

    90bfc8373d61ae3771e76e24c05aafbc0cfe101d

    SHA256

    f085706562e91c64998284de23bfd992dd11a7e82dee7f1899e2943846f2c366

    SHA512

    6728b258765cd0e9fe18d2f49ad80a4b22ac5d113097bcfe4060d5a5419e1ed429f65bd9bb2ad34040541af3c5dcec0ab3cee9644df19c212eb270066f4fe3ac

  • C:\Users\Admin\AppData\Local\Temp\Arab

    Filesize

    77KB

    MD5

    0d6155f54c8de6d2a5ad5d5861ed536a

    SHA1

    140c455256b43d0e9bc966c48a5fed7e2dcbd39b

    SHA256

    58badf9d9d297267744362fc4ae5950d56714b1163a9232832b9c5ce1bad1887

    SHA512

    68b9f0a7be794ddea3cb83e78344cb596e619b37e0da4e9b7ee1bcf8e17e5bac97df662e5482636832cd0e7733122c9134df9d97a7fb1e2828ee47c7878916db

  • C:\Users\Admin\AppData\Local\Temp\Buddy

    Filesize

    90KB

    MD5

    00bf96841d0008696b2e299df88b9850

    SHA1

    c126e32bda2fdb09d93ebecb78f2b360a69a8ff7

    SHA256

    1f1af17137d36a95ba578cf88a9d34bd70e576bc9d4abde63817f28c150d693f

    SHA512

    6890933ca01446187b9d91d2b2a975003ac2d1245ed64dcbab76479783e1d0b60d24f1fc202ef823f26a5b7d3ebbdaa079c7ab7b1da9c48559bc455de42285eb

  • C:\Users\Admin\AppData\Local\Temp\Continental

    Filesize

    32KB

    MD5

    e7984087809f264e7016168e04a54ab9

    SHA1

    8049e213551d2404429ecfb6e5460a65164ced02

    SHA256

    d8a5274958d411fbb67c6ae0662b2ea66120f571015d03e0e81b344ccc417727

    SHA512

    fbfc508d961a58138a78eb3c8fe7fd83cc467f7c734accf76b5d396e7567f30bcc3d610010edbd971d599e4c99f71d87c72d7c922fb9a391dbcf5651c406fb71

  • C:\Users\Admin\AppData\Local\Temp\Contribute

    Filesize

    105KB

    MD5

    b7a235e0aedaca45dd529cbc73896bd6

    SHA1

    208eabcf3eae139fa2bb2914806a8a072caa6c05

    SHA256

    57bd04883b85d92cc2ddbe64f4d867c090039e107b6bfc449a59938a49d507ec

    SHA512

    bfa71405eb330d6247bada019400fb78030ce907422a46118290810b57c92ca079ec2e0b6571149b3eb4e9afa1552bd28818fcea0761d92783414567c9bd9c6e

  • C:\Users\Admin\AppData\Local\Temp\Drives

    Filesize

    72KB

    MD5

    266ea7fd372b17747fa7f92e005a21eb

    SHA1

    d6d415de73bdeec7de9ceff684025693acdfe65a

    SHA256

    b8b658cbc2100678d1d3f63c903ff3ae2ff2446bfc1ee86cd1d97596ee5e3813

    SHA512

    3551db187aa33b6be0eb40ebd07c1d54197cf1298912e8b29a3361eb28fd5741d8acb88cb11ee82603594e64f11ef2e1444461a0c625fddad877adc7424e160c

  • C:\Users\Admin\AppData\Local\Temp\Eleven

    Filesize

    77KB

    MD5

    85f61623dc7db2de58e1285923df189b

    SHA1

    6122df3cb0e69f6927ed9a0dd9676671cbc1dce0

    SHA256

    9b3b153d6ddc9d168bfa1c82a290a23b4240e2b4ec4c2a20b264808f52afb088

    SHA512

    fc1b90167f7279f74877dccbd260c4240e2fc4fd93ba7bf65347e679953183541473b7d4d1e5fe49db9a1b3d01e30bd28a3e93fa2569db118ec7642931fc19ce

  • C:\Users\Admin\AppData\Local\Temp\Falls

    Filesize

    86KB

    MD5

    029c8ebbf2f58c5e730a197c2006e287

    SHA1

    516ce39e24fdada0a3e92d0c8c6d34cb6869494e

    SHA256

    b920f0807f1b342eda1959b0b603de06f54e41ae81809f1dc4f165b1f9d07f6b

    SHA512

    5e536b3f7f5d43a9e23810818f25e2d718e647a3a77efc92ad64d8877bd73fbffb195c3e42f135bc9d1b6a083a27727c56597e30b270d74eff4daf275c79f164

  • C:\Users\Admin\AppData\Local\Temp\Fetish

    Filesize

    126KB

    MD5

    17d4efe8d0b7ace0b80e2d6def4f7b17

    SHA1

    734962434e8860a9ccfdca0e5a8b2516506d0b40

    SHA256

    baa32b8c39f6143f9d8a82e1ffa2c423fc5ba08159f90ed41aac38dc3a59dec4

    SHA512

    f549df4d9ae2657a505d52517c288cc154f0e84fc9118f6985026c24e50972fdd16530f71e723e6ee1afc2770a44895d7126a87bb2e726ce143d65744d300273

  • C:\Users\Admin\AppData\Local\Temp\Hostel

    Filesize

    41KB

    MD5

    e3a5066c7b2432140db63d375de597ba

    SHA1

    6982106189a2074b956fe2de6d327c8889925047

    SHA256

    d81b35d5a7b36419c64a8b232a944f0e78f926db434aab8a6246f1e35cdd02ec

    SHA512

    df8b1c14e416d756b1c23611d22d0b29d2462d0fc79778850ddf05a0ed7e5f2b335d66ba4d1957e79c10fb070f982dd14e38e98078fdd90eb2a98935fe726faa

  • C:\Users\Admin\AppData\Local\Temp\Individual

    Filesize

    140KB

    MD5

    4577b049574cf5e27f7a4950ab3d6707

    SHA1

    282c7bc68905ffbb935ce189ff564aa9e0cfc6d8

    SHA256

    c3d29f7399ca57758b0f2cbc1f178ad144edf0acdb47575a15c37818420c0f06

    SHA512

    3d3937eb2aac9ef2d6e2221d33928ec4c333ba23978b768d3d2a7692e5310bac0ef0bb8e9d04c0aaaa82ffb720ba2f00b61f6b980ed8ae300cbcfaad532ba87b

  • C:\Users\Admin\AppData\Local\Temp\Noticed

    Filesize

    94KB

    MD5

    784abd319e4966a1a9df1ecf099c78c3

    SHA1

    db970b0feddc3b5dc7a8b7e2839935bad01f5b31

    SHA256

    39f146a3b07754c3e69beb793345875dc0ad4fa49488a6c134d040bca5a9847c

    SHA512

    91cdacb747c06038d4cce4bdd78f8f4b36a6889bc66cc3af1540dd1054cde6a89b1574edc406f048de7c549c5357e81516968ff6352edb540ce0dab0ab02ef57

  • C:\Users\Admin\AppData\Local\Temp\Organized

    Filesize

    122KB

    MD5

    45ced655153d00ee1f8229bed9470bac

    SHA1

    0c94bc15c5e07d20bad8d9672095e658276d2c35

    SHA256

    53731b84ded04ced11d7b03516edb9256138a5d7444f00c3b6e3311c651a24e3

    SHA512

    f8cbe1626d5fa4308e47a7bcda702e8c9a1989e1ab2b57c3f0804a49575ac3f3ff975784b0c99d46dd00bcfbfd62def0fbc8e1aa7dffead25cbb6f1210953f3f

  • C:\Users\Admin\AppData\Local\Temp\Qualification

    Filesize

    95KB

    MD5

    1ad0f197bda947a1d41b7050a8ec507c

    SHA1

    1bbad625acd6c15bcba5071eb422f2882a5271ec

    SHA256

    5df28f8fffe09325220281fb00e16198214381e49c2247efdcf1ac6edd2b7bd0

    SHA512

    b4f606439de3fd20a870edf5dd0bc7aa5ecfa475e5328fb51be9f6de7145b64799d5780e788f5304110a7c3e139a6738709dddc198a447f04e91fbc057c3af88

  • C:\Users\Admin\AppData\Local\Temp\Salem

    Filesize

    88KB

    MD5

    766a776527035d196d35f18f8e64aa7e

    SHA1

    f96fbe5fdb69c6f84837cac35c15023841954344

    SHA256

    624782904f5bab248f2b470e2d9f0421102fcf0e3ce3b0d68db2e3f5250a125c

    SHA512

    244335b7b48ace58047019d481119db193f39cca792c8de801d474716936be26a5275f28f9dba6e569c3206a26538b63862540cd047588beec134af6e0cb4cad

  • C:\Users\Admin\AppData\Local\Temp\Shape

    Filesize

    105KB

    MD5

    2c2352048233877538423bbff9fede79

    SHA1

    344f46cf56c89d5646ce02f673d7e40712ba86e8

    SHA256

    638bed97f6f8ca7d28efca92e0eb242f6170df95ff858da7d704cb26f2e816d6

    SHA512

    e20c3d6d708deec911ffe6e3663a6134c99e7c5dbb8141e1bbf5167b2dd2f9a27a30e14ffcdd9dff275dc40fcc535e8b17c9fc0b72ecf7b35c24b51f8972ea6a

  • C:\Users\Admin\AppData\Local\Temp\Slowly

    Filesize

    131KB

    MD5

    cd356610d789b89aea3800169c91beed

    SHA1

    7258cddd2fedf0cbe977d47ef2b9c80ac69548fc

    SHA256

    fa34fa942109ca144d961b7fa58c2a44cd0caebff6c63a2224fa767a99240012

    SHA512

    0a1e62e23644e842e615f00b195a6a39d0e2dd490ba3a7f61b0c8ad9adc4ff8ccafbf4bd5e057b1bc7409d39d98d4a1a69c4d719d2b0c63cb7976853b0a2493f

  • C:\Users\Admin\AppData\Local\Temp\Swingers

    Filesize

    60KB

    MD5

    c8ca6670315fe0d43b52c842b16e45e4

    SHA1

    a3e66065880d26aa8a4d2a872ad2069b921b2c1b

    SHA256

    580eecc00fc559adf691f30c7b1cab3358b2139b381ba183812aeda0234eb4fe

    SHA512

    10f1009a1d47230f3e8f767988a5fa685ca9a65267049f557fdb612c9617110e7e96491032c1e6fc42c40566ebd9446f315d4f770af33a3e3ab58fa4b5dddc64

  • C:\Users\Admin\AppData\Local\Temp\William

    Filesize

    30KB

    MD5

    e8c2d73029913f23c95285ce2c39eeba

    SHA1

    99ba18ba4dd3c301d6bb217ce05e84c5b605b059

    SHA256

    841e397f1bc55ea79f0ea7661e898b240d5542f317cb4578aa072b665b6a3731

    SHA512

    8ec3094025349507e01a6abfde9fb7809f65ccaceb537fd3885310a6d4d2c23141717650d970aa2e96d2f18a5753f5c7e3959ff7e9145aa48d19513fe89d212a

  • memory/4168-703-0x00000000045F0000-0x000000000466F000-memory.dmp

    Filesize

    508KB

  • memory/4168-706-0x00000000045F0000-0x000000000466F000-memory.dmp

    Filesize

    508KB

  • memory/4168-701-0x00000000045F0000-0x000000000466F000-memory.dmp

    Filesize

    508KB

  • memory/4168-702-0x00000000045F0000-0x000000000466F000-memory.dmp

    Filesize

    508KB

  • memory/4168-704-0x00000000045F0000-0x000000000466F000-memory.dmp

    Filesize

    508KB

  • memory/4168-700-0x00000000045F0000-0x000000000466F000-memory.dmp

    Filesize

    508KB

  • memory/4168-705-0x00000000045F0000-0x000000000466F000-memory.dmp

    Filesize

    508KB

  • memory/4168-699-0x00000000045F0000-0x000000000466F000-memory.dmp

    Filesize

    508KB

  • memory/4168-707-0x00000000045F0000-0x000000000466F000-memory.dmp

    Filesize

    508KB

  • memory/4168-708-0x00000000045F0000-0x000000000466F000-memory.dmp

    Filesize

    508KB

  • memory/4168-709-0x00000000045F0000-0x000000000466F000-memory.dmp

    Filesize

    508KB

  • memory/4168-710-0x00000000045F0000-0x000000000466F000-memory.dmp

    Filesize

    508KB

  • memory/4168-711-0x00000000045F0000-0x000000000466F000-memory.dmp

    Filesize

    508KB

  • memory/4168-712-0x00000000045F0000-0x000000000466F000-memory.dmp

    Filesize

    508KB

  • memory/4168-713-0x00000000045F0000-0x000000000466F000-memory.dmp

    Filesize

    508KB

  • memory/4168-714-0x00000000045F0000-0x000000000466F000-memory.dmp

    Filesize

    508KB