Analysis

  • max time kernel
    122s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2024 02:57

General

  • Target

    ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe

  • Size

    739KB

  • MD5

    b5a03660242476827750ca96e6e0a69d

  • SHA1

    633163466408f69e051e75a7fb98f7ea78320fcd

  • SHA256

    ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a

  • SHA512

    0575aec2012103e588eea606a3ed4e67747875cefff7142f8d9779f36cfc23bd2b12ed2325ad4fc5cba98e75664eeb7a8ae1bf4900ab94440cac07127fe98332

  • SSDEEP

    12288:SZJpp3RbeX2LA2HNu3ba3beuqTfgE1taWN8LVLCmfxIy7vmzt5vXs60ZMF7dJOuu:STpp35eXeFw23C15aI8LtCs5GvcHs6uu

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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe
    "C:\Users\Admin\AppData\Local\Temp\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1852
    • 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\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3064
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mwkamAWUSfGsaX.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2284
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mwkamAWUSfGsaX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1DAE.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2956
    • C:\Users\Admin\AppData\Local\Temp\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe
      "C:\Users\Admin\AppData\Local\Temp\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.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:2748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1DAE.tmp

    Filesize

    1KB

    MD5

    476e30369b9e2fb180b3604d919b381a

    SHA1

    f92d51ed6257bc444157f683f46d7e7025f96cea

    SHA256

    edd0ca323ee90c791fdbaedd5bf8900b1e2ad28b7156d7b512f45ae36b5262c8

    SHA512

    a265709e103f5f0618b52282efe44aca8cdcc9b2c9c99f9bfcb231d6e477a30b55ddbc176834c157ca81fca68c2824a2b9eea156e863b34708d2c57e2d74c194

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

    Filesize

    7KB

    MD5

    fc5e2c6c2e89c1c68311696bd4e595a9

    SHA1

    008a088a4859e224712bd4db1a3e9d1263247f8b

    SHA256

    e9148ee3446294a5776d88ef061df831e3b03adaa819c8c1df68469646758597

    SHA512

    a5613c0b2c468beff611b30a68a3520932a47cf44cf515f17da878b55393368516bf4bcb29c478d448dacd926e9cbc341f00c7152902baf36ba45f48754b9e20

  • memory/1852-4-0x000000007424E000-0x000000007424F000-memory.dmp

    Filesize

    4KB

  • memory/1852-31-0x0000000074240000-0x000000007492E000-memory.dmp

    Filesize

    6.9MB

  • memory/1852-0-0x000000007424E000-0x000000007424F000-memory.dmp

    Filesize

    4KB

  • memory/1852-5-0x0000000074240000-0x000000007492E000-memory.dmp

    Filesize

    6.9MB

  • memory/1852-6-0x0000000004DB0000-0x0000000004E3E000-memory.dmp

    Filesize

    568KB

  • memory/1852-2-0x0000000074240000-0x000000007492E000-memory.dmp

    Filesize

    6.9MB

  • memory/1852-1-0x0000000000F50000-0x000000000100E000-memory.dmp

    Filesize

    760KB

  • memory/1852-3-0x00000000005B0000-0x00000000005CC000-memory.dmp

    Filesize

    112KB

  • memory/2748-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2748-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2748-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB