Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 14:25

General

  • Target

    Purchase Order Draft for ATPS Inq Ref240912887-ATPS.exe

  • Size

    760KB

  • MD5

    20d75709d275ee9fc5b559e50ae667c3

  • SHA1

    27b41abb5cf6a0492fbd44db949ed78629548ee6

  • SHA256

    530d877fd245da9636806e92b1b3271ccbdb89c4e08e534171469b70f2f7dc7a

  • SHA512

    0987ce0ae8d3447034f76b11ab618b8b92f73d0e5ed50d2e5a0ba204f0a8cf830ed4795abbeebe72c035ecfa3e96391756cda8cb7f064f183cdb4554510be64f

  • SSDEEP

    12288:GtomEHbPc17d211S7nu/s6dSf/5vJ6UuWsz6MNwXLLKqKUGpjSvI0Z:TN7Pi7Iw1aSz6n16ewXLu9UKjSvI0Z

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

162.251.122.87:2404

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-UOMZ21

  • 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
  • Detected Nirsoft tools 8 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 3 IoCs

    Password recovery tool for various web browsers

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 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 5 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 behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order Draft for ATPS Inq Ref240912887-ATPS.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order Draft for ATPS Inq Ref240912887-ATPS.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:228
    • C:\Users\Admin\AppData\Local\Temp\Purchase Order Draft for ATPS Inq Ref240912887-ATPS.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase Order Draft for ATPS Inq Ref240912887-ATPS.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3636
      • C:\Users\Admin\AppData\Local\Temp\Purchase Order Draft for ATPS Inq Ref240912887-ATPS.exe
        "C:\Users\Admin\AppData\Local\Temp\Purchase Order Draft for ATPS Inq Ref240912887-ATPS.exe" /stext "C:\Users\Admin\AppData\Local\Temp\qhfjcqazj"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2036
      • C:\Users\Admin\AppData\Local\Temp\Purchase Order Draft for ATPS Inq Ref240912887-ATPS.exe
        "C:\Users\Admin\AppData\Local\Temp\Purchase Order Draft for ATPS Inq Ref240912887-ATPS.exe" /stext "C:\Users\Admin\AppData\Local\Temp\acsbdiltxzjqr"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:1932
      • C:\Users\Admin\AppData\Local\Temp\Purchase Order Draft for ATPS Inq Ref240912887-ATPS.exe
        "C:\Users\Admin\AppData\Local\Temp\Purchase Order Draft for ATPS Inq Ref240912887-ATPS.exe" /stext "C:\Users\Admin\AppData\Local\Temp\cwyuebwulhbvbbss"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    3d3aac95e5d0175ea46c94bbae841069

    SHA1

    ebf059cbc603977cc30d7f9b3f31dca47300fc68

    SHA256

    c45b8f496224dec86e762279de53ce3cb4694a4d1457e862a181ff6cd0e1b4f6

    SHA512

    ed343f99c6f1a8e5a2b2396bf5d07eaaf3fd90e31ac4ee18bcfc80801023a7c68c4a76867bfbbe97183111c8a7c478a10de90a6fbe794035f020ddbe56b7101a

  • C:\Users\Admin\AppData\Local\Temp\nseAAD8.tmp

    Filesize

    66B

    MD5

    3a055708070979e7bf5088d9471320ba

    SHA1

    cb4e803ae05765ee43787cbd3abb91166bbf8fd7

    SHA256

    cc1c32ae1abcb46fd4871832a8b7a51a440905d97709c53e66d16a0cd33276ee

    SHA512

    3f3b5c9c1fdca9e76fda76ff601d11320b4866ee0b0358b014699e33be79252cb94390fb589fa5099b68d00491a207f3fe6223b955a5a4be6f1df1b389fd613e

  • C:\Users\Admin\AppData\Local\Temp\nseAAD8.tmp

    Filesize

    67B

    MD5

    0a3f0a6958444bbe60be42110a33bb30

    SHA1

    2350bbdacf80483b634671b7877166fcaacbec7b

    SHA256

    6c9d5f35bd11e1d670553bca8b7ff96bfd5c555f09ac6f7a3ce8b97d3a02b133

    SHA512

    dc58c80053bef25009a7603ed785690c7fb097e44e91f7fb5ea0ad931f3a28111d87f1a3072ce728eecc23fe3c91452b40c787e07a8562a0f901a98bb25cb8b3

  • C:\Users\Admin\AppData\Local\Temp\nseAAD8.tmp

    Filesize

    74B

    MD5

    16d513397f3c1f8334e8f3e4fc49828f

    SHA1

    4ee15afca81ca6a13af4e38240099b730d6931f0

    SHA256

    d3c781a1855c8a70f5aca88d9e2c92afffa80541334731f62caa9494aa8a0c36

    SHA512

    4a350b790fdd2fe957e9ab48d5969b217ab19fc7f93f3774f1121a5f140ff9a9eaaa8fa30e06a9ef40ad776e698c2e65a05323c3adf84271da1716e75f5183c3

  • C:\Users\Admin\AppData\Local\Temp\nseAAD8.tmp

    Filesize

    15B

    MD5

    cf7be2840455491f249648c44a1dc759

    SHA1

    9863c7f04f9d674365fe23f257ba43447f985e8e

    SHA256

    769c7c2ec9413a771a2f497862194dfb0200452f3a20f5e1f77ad0b6ae535697

    SHA512

    83984674c9e337bda5ac88c3b2d0e426fd9051e1585b95ea99b3c569ace50900f811e664da9cf426f080837e2b48a5709003b7e5d25382a1ad90026b40777abd

  • C:\Users\Admin\AppData\Local\Temp\nseAAD8.tmp

    Filesize

    22B

    MD5

    7b381311a78901489326c8a317ddf8cd

    SHA1

    37d010f4fb37e77310effc7625dadbbbb36e8fe4

    SHA256

    59813bc6f04b4d5a16bd89d01602f4308759a60a579022a6bd209c1c0e8b463b

    SHA512

    626e1a6b65a7909b365f1b8623d9589889ac92f118f9c56d379af6e66e689075a70a82f76a790512203840506d8400c17f8afbd8a60540c14042c35e622a76e6

  • C:\Users\Admin\AppData\Local\Temp\nseAAD8.tmp

    Filesize

    38B

    MD5

    306942073b8a4457561e12735efb9411

    SHA1

    b1cd498c9febaeb7c2aa4e57c30f118f50eaacb6

    SHA256

    2f68a110d1297ef0a5752507719512451b5a9f00bf25e1392ad5ad3be968ea34

    SHA512

    29b4c8dc5a083fde8e809ad3e87b76057116fa9820c15fbddb25913543d93d9475ce07137cd382d6ba9c71741f706bf5be4e13909e231b32164a189fdf95271c

  • C:\Users\Admin\AppData\Local\Temp\nskAC34.tmp

    Filesize

    11B

    MD5

    cda05fedfd1133dfc6439e441829b6ba

    SHA1

    e0dfbcfe83a13922d365506312212928871f9c0b

    SHA256

    27fad7aa07fb564d9f9e0cbaf6515fe34bb0f8647cd200fee1eaad0167523099

    SHA512

    1180a5fac7c9c8ce445b5966b45bda7d38bb65d2ae2b1bb096d01e09476622bb0bf745dfed3104cd7b5da766322653bb14720b3394e2cb87950191a66b94efaf

  • C:\Users\Admin\AppData\Local\Temp\nskAC34.tmp

    Filesize

    43B

    MD5

    5622bd3f88c012d14e587e05bd15caf7

    SHA1

    e9810dea7aa7567cb99175ed452aaa40f8a88fea

    SHA256

    86f021dd69cd8bac891a44e60d67998c897f240c7c08177039ba45656de96e00

    SHA512

    349a9b0620d5a2f00ece97073e3725f7e9ffdcbded0385b3a7d4c21a37fc837c0d8d6ef8bcd862e887c3db904644919d8a9604e3ba82357f1704575a297e752a

  • C:\Users\Admin\AppData\Local\Temp\nskAC34.tmp

    Filesize

    50B

    MD5

    f9654ae836946122889ce30a350438c8

    SHA1

    c52fc99f752f35567e8fd57ebbe28bbabd8a41bb

    SHA256

    df8ced0009600f7e202d3ce995646a53ec1eb1889872f85a161fd5de16501f18

    SHA512

    d62b55275fd79602eecb30e520b58a8d50969038119a31f7263075cf6919221552e1a1e7beb8537d654e22f6bf87979277add1c680561a45655bf5b5acd49696

  • C:\Users\Admin\AppData\Local\Temp\nskAC34.tmp

    Filesize

    55B

    MD5

    00f5bcb3cd82c4ad69c66a53870fed5d

    SHA1

    37d0ab00c9273096e9b57e8304c268b449c73cf5

    SHA256

    a2b5a9a2bb8ae9aa2fdc9e80353856527e93cd1116fed96fc97492b7f97a5bdb

    SHA512

    cf7e398adb36016f5b8b8e981774b16ebe928b36bff936b34374f7a5c5e53870f449d0cd28d671da7c5df0cea8d1dc35e2d37ff6e80bf125e48d51f66a02046e

  • C:\Users\Admin\AppData\Local\Temp\nspAB67.tmp

    Filesize

    20B

    MD5

    c589bbe6630724ff6d9cd2a91a525417

    SHA1

    6bc8a215554743d971d2d5e4feb023d193349a27

    SHA256

    c152946d88097adcbbeb52acd3782c8d106f88dfafc7c9af47f67e67ba33854a

    SHA512

    20cff8a5b511621a968972ba4c439400534969a01b57fefe14b81094bda1deec944dc97dbce61a8b769b37e3a1a9443d579174fa6f35d34eabe4fcf8376eea3a

  • C:\Users\Admin\AppData\Local\Temp\nspAB67.tmp

    Filesize

    16B

    MD5

    299751a30a50b5a6b62371c27fc4e478

    SHA1

    2a016fdba9876a7aade76bff3c4780633d5e6ef4

    SHA256

    0d4b1effa5ab30d5f6d9e6b1bd6de429d4a25075dbdf2f28d67beab72f6bff0e

    SHA512

    6917664885b34990ded6171ea01bfb2e1ff67e38455bee9d75e80d3905db7e7199679ae3761e290062e679ccf2555804b0ec1a59a5fd74c5069857c3326264e5

  • C:\Users\Admin\AppData\Local\Temp\nspAB67.tmp

    Filesize

    28B

    MD5

    d5c1c43dcbca7900a2751441b73a1402

    SHA1

    2ad884601eb948b72f2e980a05e6c05bfc4f04d7

    SHA256

    334995ac57ad095abcfa5ba0e9216285fc87f9026ea3ef2c67a42d1ed7ddf855

    SHA512

    1627d2cd136c30ba55dd3a336c05f20f90432bb0340ee75d2782328e2edc45e1213f9a315f7b5b61ce5340412f88109d5d13c833116835c3251d1751fce8854c

  • C:\Users\Admin\AppData\Local\Temp\nspAB67.tmp

    Filesize

    34B

    MD5

    2a9c98ea1aa7a05604ab51073fcd45c7

    SHA1

    3f970ebeb4f5ef40f8bb1e16d64ab410c3af3962

    SHA256

    ba493b1e2704c417662224230bffa2effae24f9fbf8c56a7bcb93ac02bc2abd9

    SHA512

    fe999f6186c4bb20113cfdddba193cf777941a9ce223f0c6d8f85dc5e2668df6f820922d7b75f255ec2d5355f1881f3867686363f4c5f630ffa8b48b079d7647

  • C:\Users\Admin\AppData\Local\Temp\nspAB67.tmp

    Filesize

    51B

    MD5

    b61b2f1546b29486a8a0d25e1cba7721

    SHA1

    c19a4677b46a71e1624d77b3af0af2411c57f6b1

    SHA256

    15f6b52edd0bf33f8fbc357d9fdc3287d97e51227eeb0a21dc58a3337d9fa692

    SHA512

    429c3b7917cd2ef31765683ac06f434aa5081e0113ccad168312a696e3c66ba36834113068f6ef2e291918db80617d347ea1f5c81c32b0f17702925407779cd2

  • C:\Users\Admin\AppData\Local\Temp\nsqAD3F.tmp

    Filesize

    30B

    MD5

    f15bfdebb2df02d02c8491bde1b4e9bd

    SHA1

    93bd46f57c3316c27cad2605ddf81d6c0bde9301

    SHA256

    c87f2ff45bb530577fb8856df1760edaf1060ae4ee2934b17fdd21b7d116f043

    SHA512

    1757ed4ae4d47d0c839511c18be5d75796224d4a3049e2d8853650ace2c5057c42040de6450bf90dd4969862e9ebb420cd8a34f8dd9c970779ed2e5459e8f2f1

  • C:\Users\Admin\AppData\Local\Temp\nsuABD5.tmp

    Filesize

    4B

    MD5

    cde63b34c142af0a38cbe83791c964f8

    SHA1

    ece2b194b486118b40ad12c1f0e9425dd0672424

    SHA256

    65e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d

    SHA512

    0559d3d34ad64ccc27e685431c24fc6ead0f645db14fa0e125a64fb67dbd158c15432c1fc5407811aac8a3486090dfbcfcbc3c6bf5aa0ec73f979ef62d14853c

  • C:\Users\Admin\AppData\Local\Temp\nsuABD5.tmp

    Filesize

    30B

    MD5

    deb356333f985cb1cd62bf2541b43c6f

    SHA1

    89712deb12335ca846215ca5ddfd9293cbe97b04

    SHA256

    c8bc33b0637e0d0c9cbbf69ce1ae431b3f880216485ae3de2b83809d5b333c2c

    SHA512

    9e82f686ff299eb5830b9089778d40df73ec4956b5df76e21dbf5daf7a1b368c6cde85ddf79379287784e2aaeee2487e5248291e13b22b2077168cb349313f60

  • C:\Users\Admin\AppData\Local\Temp\nsuABD5.tmp

    Filesize

    29B

    MD5

    5b2357aa9ee8d93ebc8fea2a7da01fda

    SHA1

    3a5bb5ceeeb26ee649ce9c8fa1c47e45d8c8f00a

    SHA256

    f2b723416cc41c59b870a8fbbe8ecab3cd0cf2298902649a50668b1b88e6e835

    SHA512

    03d9cbca3d09de197530779f90b8864da4a34aa50a7dc87fdd964ac53a5a6a73f543fe5727fc2df29b9cf5b3646b1ffc60b90883148c1989fdbcee5658582fe2

  • C:\Users\Admin\AppData\Local\Temp\nsuABD5.tmp

    Filesize

    60B

    MD5

    7ed75a71351bfc4eaabfc06754e83a71

    SHA1

    b588df2f060e1356e9950344d31dc8b566ea5e43

    SHA256

    2d45fd2175ad61122ca69dc5fb613b7cfc525c489f08942b81c9f7546ab303c6

    SHA512

    2e92b886fb3149912a627bdccada189179aa7e04600177def15270b7346e0da45db52ddaa75e9e6d40458c8d0bba870cfceda39c160865060d4f11f11b9f6a6f

  • C:\Users\Admin\AppData\Local\Temp\nszAB56.tmp\System.dll

    Filesize

    11KB

    MD5

    ca332bb753b0775d5e806e236ddcec55

    SHA1

    f35ef76592f20850baef2ebbd3c9a2cfb5ad8d8f

    SHA256

    df5ae79fa558dc7af244ec6e53939563b966e7dbd8867e114e928678dbd56e5d

    SHA512

    2de0956a1ad58ad7086e427e89b819089f2a7f1e4133ed2a0a736adc0614e8588ebe2d97f1b59ab8886d662aeb40e0b4838c6a65fbfc652253e3a45664a03a00

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

    Filesize

    4KB

    MD5

    17eece3240d08aa4811cf1007cfe2585

    SHA1

    6c10329f61455d1c96e041b6f89ee6260af3bd0f

    SHA256

    7cc0db44c7b23e4894fe11f0d8d84b2a82ad667eb1e3504192f3ba729f9a7903

    SHA512

    a7de8d6322410ec89f76c70a7159645e8913774f38b84aafeeeb9f90dc3b9aa74a0a280d0bb6674790c04a8ff2d059327f02ebfda6c4486778d53b7fc6da6370

  • memory/228-575-0x0000000077101000-0x0000000077221000-memory.dmp

    Filesize

    1.1MB

  • memory/228-576-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB

  • memory/1932-600-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/1932-595-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/1932-598-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/1932-601-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/1932-610-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2036-599-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2036-602-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2036-594-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2036-616-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/2036-596-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/3636-622-0x00000000382A0000-0x00000000382B9000-memory.dmp

    Filesize

    100KB

  • memory/3636-578-0x00000000771A5000-0x00000000771A6000-memory.dmp

    Filesize

    4KB

  • memory/3636-636-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/3636-633-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/3636-630-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/3636-586-0x0000000077101000-0x0000000077221000-memory.dmp

    Filesize

    1.1MB

  • memory/3636-584-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/3636-580-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/3636-577-0x0000000077188000-0x0000000077189000-memory.dmp

    Filesize

    4KB

  • memory/3636-579-0x0000000077101000-0x0000000077221000-memory.dmp

    Filesize

    1.1MB

  • memory/3636-588-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/3636-627-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/3636-619-0x00000000382A0000-0x00000000382B9000-memory.dmp

    Filesize

    100KB

  • memory/3636-623-0x00000000382A0000-0x00000000382B9000-memory.dmp

    Filesize

    100KB

  • memory/3636-590-0x0000000077101000-0x0000000077221000-memory.dmp

    Filesize

    1.1MB

  • memory/3636-624-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/3820-611-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3820-612-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3820-613-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3820-603-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3820-607-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB