Analysis

  • max time kernel
    129s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2024 07:10

General

  • Target

    hesaphareketi-01.exe

  • Size

    864KB

  • MD5

    1a2030277b88a72feac4f57f6514494a

  • SHA1

    29858e377f52ba70fad5d3f24c30e2264d96ea96

  • SHA256

    c387b91dd56a4b66da4582e26ebc0c5a473e37251fb44650fc62d6d4749d5c8c

  • SHA512

    15fb1909628f42b05fb23c3d1a492ffd7a1897c63ef1b9d9380c1026b5a02c661cd5ab94d6d56d5d1f942c9172c34de11717bf21650981b7cff788437981ca63

  • SSDEEP

    12288:zTvI+u/WO2QaanbotSUN3o7ifGY4+wZy2jifuNHXSRcEgPKxIYzsT:3vIFSYgp32872lWWtSBgmIYzs

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.obaambalaj.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Beyza2022

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 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 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
    "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4500
    • 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\hesaphareketi-01.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4508
    • C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.exe
      "C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.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:3508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\hesaphareketi-01.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vz5eqgfv.3sk.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3508-11-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/3508-23-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-62-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-63-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-64-0x0000000006C80000-0x0000000006E42000-memory.dmp

    Filesize

    1.8MB

  • memory/3508-65-0x0000000006B00000-0x0000000006B50000-memory.dmp

    Filesize

    320KB

  • memory/3508-66-0x0000000007380000-0x00000000078AC000-memory.dmp

    Filesize

    5.2MB

  • memory/3508-14-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4500-5-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4500-10-0x000000000B8D0000-0x000000000B96C000-memory.dmp

    Filesize

    624KB

  • memory/4500-9-0x00000000030E0000-0x000000000316C000-memory.dmp

    Filesize

    560KB

  • memory/4500-8-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4500-15-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4500-7-0x000000007486E000-0x000000007486F000-memory.dmp

    Filesize

    4KB

  • memory/4500-6-0x0000000006F40000-0x0000000006F5E000-memory.dmp

    Filesize

    120KB

  • memory/4500-0-0x000000007486E000-0x000000007486F000-memory.dmp

    Filesize

    4KB

  • memory/4500-4-0x00000000058F0000-0x00000000058FA000-memory.dmp

    Filesize

    40KB

  • memory/4500-3-0x0000000005840000-0x00000000058D2000-memory.dmp

    Filesize

    584KB

  • memory/4500-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

    Filesize

    5.6MB

  • memory/4500-1-0x0000000000DA0000-0x0000000000E7E000-memory.dmp

    Filesize

    888KB

  • memory/4508-30-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4508-53-0x0000000007510000-0x00000000075A6000-memory.dmp

    Filesize

    600KB

  • memory/4508-21-0x0000000005040000-0x00000000050A6000-memory.dmp

    Filesize

    408KB

  • memory/4508-20-0x0000000004FA0000-0x0000000004FC2000-memory.dmp

    Filesize

    136KB

  • memory/4508-35-0x0000000005F70000-0x0000000005F8E000-memory.dmp

    Filesize

    120KB

  • memory/4508-36-0x0000000005FA0000-0x0000000005FEC000-memory.dmp

    Filesize

    304KB

  • memory/4508-37-0x0000000006540000-0x0000000006572000-memory.dmp

    Filesize

    200KB

  • memory/4508-38-0x0000000070270000-0x00000000702BC000-memory.dmp

    Filesize

    304KB

  • memory/4508-48-0x0000000006520000-0x000000000653E000-memory.dmp

    Filesize

    120KB

  • memory/4508-49-0x00000000071A0000-0x0000000007243000-memory.dmp

    Filesize

    652KB

  • memory/4508-50-0x00000000078D0000-0x0000000007F4A000-memory.dmp

    Filesize

    6.5MB

  • memory/4508-51-0x0000000007290000-0x00000000072AA000-memory.dmp

    Filesize

    104KB

  • memory/4508-52-0x0000000007300000-0x000000000730A000-memory.dmp

    Filesize

    40KB

  • memory/4508-29-0x0000000005920000-0x0000000005C74000-memory.dmp

    Filesize

    3.3MB

  • memory/4508-54-0x0000000007490000-0x00000000074A1000-memory.dmp

    Filesize

    68KB

  • memory/4508-55-0x00000000074C0000-0x00000000074CE000-memory.dmp

    Filesize

    56KB

  • memory/4508-56-0x00000000074D0000-0x00000000074E4000-memory.dmp

    Filesize

    80KB

  • memory/4508-57-0x00000000075D0000-0x00000000075EA000-memory.dmp

    Filesize

    104KB

  • memory/4508-58-0x00000000075B0000-0x00000000075B8000-memory.dmp

    Filesize

    32KB

  • memory/4508-61-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4508-22-0x00000000050B0000-0x0000000005116000-memory.dmp

    Filesize

    408KB

  • memory/4508-18-0x0000000005130000-0x0000000005758000-memory.dmp

    Filesize

    6.2MB

  • memory/4508-19-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4508-17-0x0000000074860000-0x0000000075010000-memory.dmp

    Filesize

    7.7MB

  • memory/4508-16-0x00000000049C0000-0x00000000049F6000-memory.dmp

    Filesize

    216KB