Analysis

  • max time kernel
    133s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2024 14:03

General

  • Target

    6DS7KZK3CK2rh9B.exe

  • Size

    815KB

  • MD5

    f7dc71b581befdb65f658fa73ce4ac12

  • SHA1

    8519725d40e32e7015a0a0a759f41758c760186a

  • SHA256

    54e358abb5eb4a81a5c21dcccf8d079ba34fd8503a5113c86e747af149607f2c

  • SHA512

    438e8e0035b65e6be1f637048572402a4296f65dcf5056fddc1416f94344da78039cb1cfbed7597ac5d76dae109483db03cf328506005ccdfefc60b00543ceae

  • SSDEEP

    24576:w2xjVihrX2hax5vtN8IF5GEEj9Yq0gLOPBgJLCnYnJ:jnSrX+uVN8Ib8DQBvnY

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 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6DS7KZK3CK2rh9B.exe
    "C:\Users\Admin\AppData\Local\Temp\6DS7KZK3CK2rh9B.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:3780
    • 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\6DS7KZK3CK2rh9B.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3504
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BuNYNmyKZ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5048
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BuNYNmyKZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC9D.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1972
    • C:\Users\Admin\AppData\Local\Temp\6DS7KZK3CK2rh9B.exe
      "C:\Users\Admin\AppData\Local\Temp\6DS7KZK3CK2rh9B.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:4836

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\6DS7KZK3CK2rh9B.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bs2vg0zy.deo.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpC9D.tmp

    Filesize

    1KB

    MD5

    d05cef7ea6ee45116d778c8f7ba054ec

    SHA1

    fb942e92ccce29ef4fdec59f1ba55518f0e2b678

    SHA256

    2f2303fe780be00e068772159e44edc730f8191c7cead517b3d4ac6509332ee2

    SHA512

    c9bfb34df53218e7fa5f9937869c2e6980a229b67cd56c0c0fc9ef0eb5e7a6c4f4fb343a90d0090bc589b7ca4fb0371984384a821f6c28d47b586d1cd9602b17

  • memory/3504-79-0x00000000074B0000-0x0000000007553000-memory.dmp

    Filesize

    652KB

  • memory/3504-87-0x0000000007B20000-0x0000000007B3A000-memory.dmp

    Filesize

    104KB

  • memory/3504-55-0x00000000064A0000-0x00000000064BE000-memory.dmp

    Filesize

    120KB

  • memory/3504-69-0x0000000071340000-0x000000007138C000-memory.dmp

    Filesize

    304KB

  • memory/3504-39-0x0000000005EE0000-0x0000000006234000-memory.dmp

    Filesize

    3.3MB

  • memory/3504-81-0x00000000077E0000-0x00000000077FA000-memory.dmp

    Filesize

    104KB

  • memory/3504-82-0x0000000007850000-0x000000000785A000-memory.dmp

    Filesize

    40KB

  • memory/3504-84-0x00000000079E0000-0x00000000079F1000-memory.dmp

    Filesize

    68KB

  • memory/3504-15-0x0000000002B80000-0x0000000002BB6000-memory.dmp

    Filesize

    216KB

  • memory/3504-16-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/3504-18-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/3504-17-0x0000000005760000-0x0000000005D88000-memory.dmp

    Filesize

    6.2MB

  • memory/3504-92-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/3504-20-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/3504-88-0x0000000007B00000-0x0000000007B08000-memory.dmp

    Filesize

    32KB

  • memory/3504-56-0x0000000006550000-0x000000000659C000-memory.dmp

    Filesize

    304KB

  • memory/3504-28-0x0000000005E00000-0x0000000005E66000-memory.dmp

    Filesize

    408KB

  • memory/3504-25-0x00000000056F0000-0x0000000005712000-memory.dmp

    Filesize

    136KB

  • memory/3504-86-0x0000000007A20000-0x0000000007A34000-memory.dmp

    Filesize

    80KB

  • memory/3780-2-0x0000000005560000-0x0000000005B04000-memory.dmp

    Filesize

    5.6MB

  • memory/3780-3-0x0000000005090000-0x0000000005122000-memory.dmp

    Filesize

    584KB

  • memory/3780-10-0x0000000008420000-0x000000000849E000-memory.dmp

    Filesize

    504KB

  • memory/3780-40-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/3780-8-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

    Filesize

    4KB

  • memory/3780-5-0x0000000005350000-0x00000000053EC000-memory.dmp

    Filesize

    624KB

  • memory/3780-9-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/3780-0-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

    Filesize

    4KB

  • memory/3780-7-0x0000000005430000-0x0000000005448000-memory.dmp

    Filesize

    96KB

  • memory/3780-6-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/3780-1-0x00000000005D0000-0x00000000006A0000-memory.dmp

    Filesize

    832KB

  • memory/3780-4-0x0000000005230000-0x000000000523A000-memory.dmp

    Filesize

    40KB

  • memory/4836-24-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/4836-27-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/4836-95-0x00000000068D0000-0x0000000006920000-memory.dmp

    Filesize

    320KB

  • memory/4836-41-0x0000000005390000-0x00000000053DE000-memory.dmp

    Filesize

    312KB

  • memory/4836-33-0x0000000005300000-0x0000000005350000-memory.dmp

    Filesize

    320KB

  • memory/4836-94-0x0000000006A40000-0x0000000006C02000-memory.dmp

    Filesize

    1.8MB

  • memory/4836-93-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/4836-30-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/4836-26-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/5048-83-0x00000000070C0000-0x0000000007156000-memory.dmp

    Filesize

    600KB

  • memory/5048-57-0x0000000006AB0000-0x0000000006AE2000-memory.dmp

    Filesize

    200KB

  • memory/5048-85-0x0000000007070000-0x000000000707E000-memory.dmp

    Filesize

    56KB

  • memory/5048-29-0x00000000052B0000-0x0000000005316000-memory.dmp

    Filesize

    408KB

  • memory/5048-23-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/5048-21-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/5048-91-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/5048-19-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/5048-80-0x0000000007490000-0x0000000007B0A000-memory.dmp

    Filesize

    6.5MB

  • memory/5048-68-0x00000000060E0000-0x00000000060FE000-memory.dmp

    Filesize

    120KB

  • memory/5048-58-0x0000000071340000-0x000000007138C000-memory.dmp

    Filesize

    304KB