Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2024 15:09

General

  • Target

    Hesap_Hareketleri_10122024_html.exe

  • Size

    846KB

  • MD5

    18709f2606d2834d725a5677bdd4d737

  • SHA1

    bbc16514aea1e283ba1863a5db34c71b0f574fc8

  • SHA256

    50087b010b52ec07a7f52a85b56dc43041aae17b428e6b0af3d52d797d427682

  • SHA512

    758d818dd3d252010e612ded4bf4846f053b1ad9c06d5139c7d65c35a9956ee7655c567c9efcfdb24122fe1dd55a324bf30277152da85e56be2f2e656e853b9e

  • SSDEEP

    12288:nFMFoFvNLrJG2FYswEHLwSdNY8O7jbXdhb0mqqbNtYKy0QZURoSGb5hfBMG+wy9n:vFnJNY8KDzqCXW0g2edhf5+wFO

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 8 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\Hesap_Hareketleri_10122024_html.exe
    "C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_10122024_html.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:1920
    • 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\Hesap_Hareketleri_10122024_html.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:996
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UDYiGmDlq.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:804
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UDYiGmDlq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9A6B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3596
    • C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_10122024_html.exe
      "C:\Users\Admin\AppData\Local\Temp\Hesap_Hareketleri_10122024_html.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:4220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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

    4ee09503ff198a2ca2963c9264c32420

    SHA1

    a1494f3e6a8e2672214193350e6a53c4dbed5e11

    SHA256

    838efd2f1fc01dfd0ff3c421a3632dae54724079864d5f9c79540cb38b40b6bc

    SHA512

    9205977fe4fb04d171aa09a1c964796898119f36e605e23c1f1bdf4fdcb5e8e39d62f5480235bcdd0995d248786599720e9bd11f05caad451269ce3f703be1d7

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hjlsn2h0.fqm.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp9A6B.tmp

    Filesize

    1KB

    MD5

    5b6177fa4432c5022d25d8c2cdc94c2d

    SHA1

    77648f0918692a5b0a39e46156afeec925420f09

    SHA256

    267cdc4b9e65f5490353009c6034dbc2b3c1bdce6a54f35862d32c5de721ad1b

    SHA512

    072089beb4a9837b5d9fb486569ab3bba00ece652255f321d915df56e974d5989292722d60249c2a450fccc84829840fd2c5ab943cf8413f85a8f5dbcf098700

  • memory/804-77-0x0000000007D50000-0x0000000007DE6000-memory.dmp

    Filesize

    600KB

  • memory/804-78-0x0000000007CD0000-0x0000000007CE1000-memory.dmp

    Filesize

    68KB

  • memory/804-20-0x0000000075370000-0x0000000075B20000-memory.dmp

    Filesize

    7.7MB

  • memory/804-76-0x0000000007B40000-0x0000000007B4A000-memory.dmp

    Filesize

    40KB

  • memory/804-73-0x0000000007780000-0x0000000007823000-memory.dmp

    Filesize

    652KB

  • memory/804-72-0x0000000007710000-0x000000000772E000-memory.dmp

    Filesize

    120KB

  • memory/804-52-0x00000000715A0000-0x00000000715EC000-memory.dmp

    Filesize

    304KB

  • memory/804-81-0x0000000007E10000-0x0000000007E2A000-memory.dmp

    Filesize

    104KB

  • memory/804-27-0x0000000075370000-0x0000000075B20000-memory.dmp

    Filesize

    7.7MB

  • memory/804-22-0x0000000075370000-0x0000000075B20000-memory.dmp

    Filesize

    7.7MB

  • memory/804-89-0x0000000075370000-0x0000000075B20000-memory.dmp

    Filesize

    7.7MB

  • memory/996-16-0x00000000022B0000-0x00000000022E6000-memory.dmp

    Filesize

    216KB

  • memory/996-19-0x0000000075370000-0x0000000075B20000-memory.dmp

    Filesize

    7.7MB

  • memory/996-21-0x0000000075370000-0x0000000075B20000-memory.dmp

    Filesize

    7.7MB

  • memory/996-18-0x0000000004F00000-0x0000000005528000-memory.dmp

    Filesize

    6.2MB

  • memory/996-17-0x0000000075370000-0x0000000075B20000-memory.dmp

    Filesize

    7.7MB

  • memory/996-88-0x0000000075370000-0x0000000075B20000-memory.dmp

    Filesize

    7.7MB

  • memory/996-26-0x0000000004E20000-0x0000000004E86000-memory.dmp

    Filesize

    408KB

  • memory/996-82-0x0000000007210000-0x0000000007218000-memory.dmp

    Filesize

    32KB

  • memory/996-80-0x0000000007130000-0x0000000007144000-memory.dmp

    Filesize

    80KB

  • memory/996-75-0x0000000006EF0000-0x0000000006F0A000-memory.dmp

    Filesize

    104KB

  • memory/996-25-0x0000000004DB0000-0x0000000004E16000-memory.dmp

    Filesize

    408KB

  • memory/996-24-0x0000000004C10000-0x0000000004C32000-memory.dmp

    Filesize

    136KB

  • memory/996-50-0x0000000005C40000-0x0000000005C8C000-memory.dmp

    Filesize

    304KB

  • memory/996-49-0x0000000005BB0000-0x0000000005BCE000-memory.dmp

    Filesize

    120KB

  • memory/996-51-0x0000000006B50000-0x0000000006B82000-memory.dmp

    Filesize

    200KB

  • memory/996-79-0x0000000007120000-0x000000000712E000-memory.dmp

    Filesize

    56KB

  • memory/996-62-0x00000000715A0000-0x00000000715EC000-memory.dmp

    Filesize

    304KB

  • memory/996-74-0x0000000007540000-0x0000000007BBA000-memory.dmp

    Filesize

    6.5MB

  • memory/1920-48-0x0000000075370000-0x0000000075B20000-memory.dmp

    Filesize

    7.7MB

  • memory/1920-0-0x000000007537E000-0x000000007537F000-memory.dmp

    Filesize

    4KB

  • memory/1920-9-0x000000007537E000-0x000000007537F000-memory.dmp

    Filesize

    4KB

  • memory/1920-7-0x00000000062A0000-0x000000000633C000-memory.dmp

    Filesize

    624KB

  • memory/1920-6-0x0000000005BC0000-0x0000000005BCA000-memory.dmp

    Filesize

    40KB

  • memory/1920-5-0x0000000075370000-0x0000000075B20000-memory.dmp

    Filesize

    7.7MB

  • memory/1920-10-0x0000000075370000-0x0000000075B20000-memory.dmp

    Filesize

    7.7MB

  • memory/1920-1-0x0000000000AE0000-0x0000000000BBA000-memory.dmp

    Filesize

    872KB

  • memory/1920-4-0x0000000005720000-0x0000000005A74000-memory.dmp

    Filesize

    3.3MB

  • memory/1920-11-0x0000000007270000-0x00000000072FE000-memory.dmp

    Filesize

    568KB

  • memory/1920-8-0x0000000006DF0000-0x0000000006E0E000-memory.dmp

    Filesize

    120KB

  • memory/1920-3-0x0000000005590000-0x0000000005622000-memory.dmp

    Filesize

    584KB

  • memory/1920-2-0x0000000005C50000-0x00000000061F4000-memory.dmp

    Filesize

    5.6MB

  • memory/4220-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4220-90-0x0000000006820000-0x00000000069E2000-memory.dmp

    Filesize

    1.8MB

  • memory/4220-91-0x00000000066B0000-0x0000000006700000-memory.dmp

    Filesize

    320KB