Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 12:21

General

  • Target

    a3f7477a9612f8ac90866fb2c4adc56a447f4a8262e4ac75bb1c825a254afbac.exe

  • Size

    903KB

  • MD5

    c9007399358b2c71f94731c0dada3aae

  • SHA1

    52961d38410067be7256356aa18ee52051bef614

  • SHA256

    a3f7477a9612f8ac90866fb2c4adc56a447f4a8262e4ac75bb1c825a254afbac

  • SHA512

    67b9d38ccc08b2acdc09df19ebed66a945f6a6854e1e5f9b3f1a73eef4a466abbb13fa52519c732445d6418c388adec2b9ee827100ff2caedd0958f95061bb77

  • SSDEEP

    12288:7Xcxx2t6G/sAgiXH5DybRcnygUUDJ3l0DbiLutNS3haM78EQMZxmfemFXHW65zu+:7X22t6whH1nXrLKvE3l8Et2F2YuriV

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Blocklisted process makes network request 8 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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.

  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3f7477a9612f8ac90866fb2c4adc56a447f4a8262e4ac75bb1c825a254afbac.exe
    "C:\Users\Admin\AppData\Local\Temp\a3f7477a9612f8ac90866fb2c4adc56a447f4a8262e4ac75bb1c825a254afbac.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4844
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle minimized "$redeemership=Get-Content -Raw 'C:\Users\Admin\AppData\Roaming\interpellant\stimulere\Chemosis\Torsionsaffjedring.Une';$Tiltalen=$redeemership.SubString(61260,3);.$Tiltalen($redeemership)"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:220
      • C:\Windows\SysWOW64\msiexec.exe
        "C:\Windows\SysWOW64\msiexec.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • Blocklisted process makes network request
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dtbfahsj.lc1.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\interpellant\stimulere\Chemosis\Fugtighedsanlggene.Spo

    Filesize

    316KB

    MD5

    beacf496f095426c48cdcbfb02aff79c

    SHA1

    d26adaa0e0e3026d14cab7e0d4b3529452b42493

    SHA256

    a7a907803e2932e0ca0a961e6924436e07b95aeda2d4641a612f99aa215ed3a8

    SHA512

    e7ec3b661a623831f6a7cd31c194ce25f0ed3bfc0bc2657a5f8a84c3c11ea0f31af64062ef28f92a3d390a2c5193ac26b38985843749cff2791ec811897d8d66

  • C:\Users\Admin\AppData\Roaming\interpellant\stimulere\Chemosis\Torsionsaffjedring.Une

    Filesize

    71KB

    MD5

    d779cf7d1c17d1c3a3f3a01045e21c66

    SHA1

    62bec72bb9ca8b42af58dcf6d1f697c28e970632

    SHA256

    d3ea7137ab96f1b33a042d5a46da033d5448fa21d494a439bff1b99d36613f5d

    SHA512

    386658888f01d8787b4f0953156ec2086ac1d7802991bc20d6f388ca133d02e2eb59522f8201d7d7cb11fc2b93d902a78a212f68465e08709aa415e22b9b3004

  • memory/220-9-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

    Filesize

    4KB

  • memory/220-10-0x00000000051E0000-0x0000000005216000-memory.dmp

    Filesize

    216KB

  • memory/220-11-0x0000000005850000-0x0000000005E78000-memory.dmp

    Filesize

    6.2MB

  • memory/220-12-0x0000000073F20000-0x00000000746D0000-memory.dmp

    Filesize

    7.7MB

  • memory/220-13-0x0000000073F20000-0x00000000746D0000-memory.dmp

    Filesize

    7.7MB

  • memory/220-14-0x0000000005EC0000-0x0000000005EE2000-memory.dmp

    Filesize

    136KB

  • memory/220-16-0x00000000060E0000-0x0000000006146000-memory.dmp

    Filesize

    408KB

  • memory/220-15-0x0000000006060000-0x00000000060C6000-memory.dmp

    Filesize

    408KB

  • memory/220-26-0x0000000006190000-0x00000000064E4000-memory.dmp

    Filesize

    3.3MB

  • memory/220-27-0x00000000067F0000-0x000000000680E000-memory.dmp

    Filesize

    120KB

  • memory/220-28-0x0000000006830000-0x000000000687C000-memory.dmp

    Filesize

    304KB

  • memory/220-29-0x00000000077A0000-0x0000000007836000-memory.dmp

    Filesize

    600KB

  • memory/220-30-0x0000000006D00000-0x0000000006D1A000-memory.dmp

    Filesize

    104KB

  • memory/220-31-0x0000000006D60000-0x0000000006D82000-memory.dmp

    Filesize

    136KB

  • memory/220-32-0x0000000007E40000-0x00000000083E4000-memory.dmp

    Filesize

    5.6MB

  • memory/220-34-0x0000000008A70000-0x00000000090EA000-memory.dmp

    Filesize

    6.5MB

  • memory/220-35-0x0000000007BF0000-0x0000000007C22000-memory.dmp

    Filesize

    200KB

  • memory/220-42-0x0000000073F20000-0x00000000746D0000-memory.dmp

    Filesize

    7.7MB

  • memory/220-36-0x0000000070460000-0x00000000704AC000-memory.dmp

    Filesize

    304KB

  • memory/220-49-0x0000000073F20000-0x00000000746D0000-memory.dmp

    Filesize

    7.7MB

  • memory/220-48-0x0000000007C60000-0x0000000007D03000-memory.dmp

    Filesize

    652KB

  • memory/220-47-0x0000000007C30000-0x0000000007C4E000-memory.dmp

    Filesize

    120KB

  • memory/220-50-0x0000000073F20000-0x00000000746D0000-memory.dmp

    Filesize

    7.7MB

  • memory/220-51-0x0000000007D80000-0x0000000007D8A000-memory.dmp

    Filesize

    40KB

  • memory/220-52-0x0000000007DA0000-0x0000000007DB1000-memory.dmp

    Filesize

    68KB

  • memory/220-53-0x0000000007DF0000-0x0000000007DFE000-memory.dmp

    Filesize

    56KB

  • memory/220-54-0x0000000007E00000-0x0000000007E14000-memory.dmp

    Filesize

    80KB

  • memory/220-55-0x0000000008530000-0x000000000854A000-memory.dmp

    Filesize

    104KB

  • memory/220-56-0x0000000007E30000-0x0000000007E38000-memory.dmp

    Filesize

    32KB

  • memory/220-57-0x0000000008530000-0x000000000855A000-memory.dmp

    Filesize

    168KB

  • memory/220-58-0x0000000008580000-0x00000000085A4000-memory.dmp

    Filesize

    144KB

  • memory/220-59-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

    Filesize

    4KB

  • memory/220-60-0x0000000073F20000-0x00000000746D0000-memory.dmp

    Filesize

    7.7MB

  • memory/220-61-0x0000000073F20000-0x00000000746D0000-memory.dmp

    Filesize

    7.7MB

  • memory/220-62-0x0000000073F20000-0x00000000746D0000-memory.dmp

    Filesize

    7.7MB

  • memory/220-63-0x0000000073F20000-0x00000000746D0000-memory.dmp

    Filesize

    7.7MB

  • memory/220-65-0x0000000073F20000-0x00000000746D0000-memory.dmp

    Filesize

    7.7MB

  • memory/220-66-0x0000000073F20000-0x00000000746D0000-memory.dmp

    Filesize

    7.7MB

  • memory/220-67-0x00000000090F0000-0x0000000009C15000-memory.dmp

    Filesize

    11.1MB

  • memory/220-68-0x0000000073F20000-0x00000000746D0000-memory.dmp

    Filesize

    7.7MB

  • memory/220-69-0x0000000073F20000-0x00000000746D0000-memory.dmp

    Filesize

    7.7MB

  • memory/220-70-0x0000000073F20000-0x00000000746D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4516-71-0x0000000002160000-0x0000000002C85000-memory.dmp

    Filesize

    11.1MB

  • memory/4516-84-0x0000000000F00000-0x0000000002154000-memory.dmp

    Filesize

    18.3MB

  • memory/4516-85-0x0000000000F00000-0x0000000000F48000-memory.dmp

    Filesize

    288KB

  • memory/4516-86-0x0000000020DE0000-0x0000000020E7C000-memory.dmp

    Filesize

    624KB

  • memory/4516-88-0x0000000002160000-0x0000000002C85000-memory.dmp

    Filesize

    11.1MB

  • memory/4516-89-0x0000000021AA0000-0x0000000021C62000-memory.dmp

    Filesize

    1.8MB

  • memory/4516-90-0x00000000211C0000-0x0000000021210000-memory.dmp

    Filesize

    320KB

  • memory/4516-92-0x00000000212F0000-0x0000000021382000-memory.dmp

    Filesize

    584KB

  • memory/4516-93-0x00000000212A0000-0x00000000212AA000-memory.dmp

    Filesize

    40KB