Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 05:43

General

  • Target

    b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe

  • Size

    816KB

  • MD5

    95f2e81d599148bb80559e284212fbfe

  • SHA1

    7765d112198d56af8536540862d763dc65723dfe

  • SHA256

    b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c

  • SHA512

    59eb4c56c4519641e2dd6d8b426a31f01b9ce2532965d1c16200abd2d28d61dfd8b7ddc74959941b07b40117d97854bcc68b65ae067118e913b5e4c1c3b64897

  • SSDEEP

    24576:d9Bo7go59/xx2WLHk9Erz5NkXwlml2rhH3z66iR:BGlxxnE9efkXwlml2dDZiR

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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe
    "C:\Users\Admin\AppData\Local\Temp\b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2248
    • 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\b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:212
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FDhDkkovH.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1424
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FDhDkkovH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp560A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1912
    • C:\Users\Admin\AppData\Local\Temp\b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe
      "C:\Users\Admin\AppData\Local\Temp\b659e2dfa11f6abcbc6c930ccd4e1bfa6f95d1be5fbee9c5fff2918a69c0ff1c.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    fab363f700eb77e77cf946a6760af93e

    SHA1

    6eff41e57fccad8e1b5ee0635d84f04f504805d3

    SHA256

    086e6e0a2481f1e2a744c4dd528ff9d51348c190cd069901dcb59826f5b58b29

    SHA512

    dd79d6f3c99864de096fff1fe6b023f6bf355e91e66d9f1a00ab17d6bda70c231b94a1aa138f09ee43bf8abe02e6c7cba9379729ee980dbc307cbceb50b26d16

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cjjfv3zt.ha1.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp560A.tmp

    Filesize

    1KB

    MD5

    a38bf82fa6f2482a122597b7abfe2314

    SHA1

    dd97fd6485542b3ea5981e8ac8eddb71499d85df

    SHA256

    4e03c10e0abac2c00ce36a4fb99036872e0f1abd1818d83dc822003ee85ccd61

    SHA512

    deb7e8f87688246f4c7a53c1e51259035dc96d3589fe2c0d0c33dea1514b76e715b54114898a69b88419a7b1b65521b9f38b004521bcd656f6b52e94bb984df8

  • memory/212-46-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/212-17-0x0000000004E30000-0x0000000005458000-memory.dmp

    Filesize

    6.2MB

  • memory/212-36-0x00000000056E0000-0x0000000005A34000-memory.dmp

    Filesize

    3.3MB

  • memory/212-18-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/212-87-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/212-81-0x0000000007310000-0x0000000007318000-memory.dmp

    Filesize

    32KB

  • memory/212-80-0x0000000007330000-0x000000000734A000-memory.dmp

    Filesize

    104KB

  • memory/212-15-0x00000000023A0000-0x00000000023D6000-memory.dmp

    Filesize

    216KB

  • memory/212-16-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/212-22-0x0000000005550000-0x00000000055B6000-memory.dmp

    Filesize

    408KB

  • memory/212-76-0x0000000007270000-0x0000000007306000-memory.dmp

    Filesize

    600KB

  • memory/212-75-0x0000000007060000-0x000000000706A000-memory.dmp

    Filesize

    40KB

  • memory/212-73-0x0000000007640000-0x0000000007CBA000-memory.dmp

    Filesize

    6.5MB

  • memory/212-21-0x0000000004E00000-0x0000000004E22000-memory.dmp

    Filesize

    136KB

  • memory/212-23-0x0000000005670000-0x00000000056D6000-memory.dmp

    Filesize

    408KB

  • memory/212-62-0x00000000716E0000-0x000000007172C000-memory.dmp

    Filesize

    304KB

  • memory/380-89-0x0000000006630000-0x00000000067F2000-memory.dmp

    Filesize

    1.8MB

  • memory/380-34-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/380-90-0x00000000064B0000-0x0000000006500000-memory.dmp

    Filesize

    320KB

  • memory/1424-19-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1424-35-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1424-88-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1424-79-0x0000000007970000-0x0000000007984000-memory.dmp

    Filesize

    80KB

  • memory/1424-49-0x00000000064A0000-0x00000000064EC000-memory.dmp

    Filesize

    304KB

  • memory/1424-51-0x00000000716E0000-0x000000007172C000-memory.dmp

    Filesize

    304KB

  • memory/1424-78-0x0000000007960000-0x000000000796E000-memory.dmp

    Filesize

    56KB

  • memory/1424-61-0x0000000006A20000-0x0000000006A3E000-memory.dmp

    Filesize

    120KB

  • memory/1424-50-0x00000000069E0000-0x0000000006A12000-memory.dmp

    Filesize

    200KB

  • memory/1424-72-0x0000000007400000-0x00000000074A3000-memory.dmp

    Filesize

    652KB

  • memory/1424-48-0x0000000006410000-0x000000000642E000-memory.dmp

    Filesize

    120KB

  • memory/1424-74-0x0000000007730000-0x000000000774A000-memory.dmp

    Filesize

    104KB

  • memory/1424-77-0x0000000007930000-0x0000000007941000-memory.dmp

    Filesize

    68KB

  • memory/2248-0-0x000000007511E000-0x000000007511F000-memory.dmp

    Filesize

    4KB

  • memory/2248-5-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2248-3-0x0000000004BD0000-0x0000000004C62000-memory.dmp

    Filesize

    584KB

  • memory/2248-4-0x0000000004B70000-0x0000000004B7A000-memory.dmp

    Filesize

    40KB

  • memory/2248-10-0x0000000006280000-0x000000000630E000-memory.dmp

    Filesize

    568KB

  • memory/2248-9-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2248-2-0x00000000050E0000-0x0000000005684000-memory.dmp

    Filesize

    5.6MB

  • memory/2248-1-0x00000000001D0000-0x00000000002A0000-memory.dmp

    Filesize

    832KB

  • memory/2248-7-0x000000007511E000-0x000000007511F000-memory.dmp

    Filesize

    4KB

  • memory/2248-8-0x0000000004DD0000-0x0000000004DE2000-memory.dmp

    Filesize

    72KB

  • memory/2248-47-0x0000000075110000-0x00000000758C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2248-6-0x0000000005F10000-0x0000000005FAC000-memory.dmp

    Filesize

    624KB