Analysis

  • max time kernel
    119s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 03:30

General

  • Target

    cefa40083339d42320bc1f9ba33c578b8abe47e15eb0dd6b0ba2f734aa8f3d6d.exe

  • Size

    909KB

  • MD5

    ff7e78da9c8e580229fe95dfdfe5b098

  • SHA1

    ab968e47e463f29426116753b0ca086fd5b33cdb

  • SHA256

    cefa40083339d42320bc1f9ba33c578b8abe47e15eb0dd6b0ba2f734aa8f3d6d

  • SHA512

    45517b8bc96613daeabb738a42188b8ef19b0ac2b53e3202f7d86f683dacdbe1c4a78414938ab5ad0b48b7c546bc89a78932e3b8a1dbf6604e59b4887de48409

  • SSDEEP

    12288:v9Qw+JBpSqWsX8yViJMjLDXGn6pYn21S20YDOcAvrFa1:lUJBp3WxqiJs2IYn21SwacAv

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7339564661:AAFzTB6gEWMndjXYyD5LCn17UEBISRR8wDI/sendMessage?chat_id=6443825857

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cefa40083339d42320bc1f9ba33c578b8abe47e15eb0dd6b0ba2f734aa8f3d6d.exe
    "C:\Users\Admin\AppData\Local\Temp\cefa40083339d42320bc1f9ba33c578b8abe47e15eb0dd6b0ba2f734aa8f3d6d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2332
    • 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\cefa40083339d42320bc1f9ba33c578b8abe47e15eb0dd6b0ba2f734aa8f3d6d.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2684
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GJgncWe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2796
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GJgncWe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3321.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2712
    • C:\Users\Admin\AppData\Local\Temp\cefa40083339d42320bc1f9ba33c578b8abe47e15eb0dd6b0ba2f734aa8f3d6d.exe
      "C:\Users\Admin\AppData\Local\Temp\cefa40083339d42320bc1f9ba33c578b8abe47e15eb0dd6b0ba2f734aa8f3d6d.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:2720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3321.tmp

    Filesize

    1KB

    MD5

    c8ef1796ef9c0f23e7af2cf18aefff37

    SHA1

    12bb99e79102ef281843922f5beb38482041ebbd

    SHA256

    05ff2832ea9b6ba9742d076d720378da1d04562e4827e179d523c7bbdc871af0

    SHA512

    3ea7158dff4645dc5ba1308803400075c174143da4e18c87c00e5d1e153b9aaee502afcb8ac7892b3843f6083ed2531db22334fd3d0b8d8815b70edd7893154e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\YZQ3VQO71U2D1EFO0EAC.temp

    Filesize

    7KB

    MD5

    f4f3737a859f76a2456d030f7bd53288

    SHA1

    f5ff52fed5ec9f9d491fe0d1ec91010558100da7

    SHA256

    56090168bce1d9237540ff6198039da69808c00cce79aa75cd11beb901c4b38d

    SHA512

    f68293611101517164052fe2101fd33e8f09f07fc1c11b967cea2bcc96d49a2f561bebd7b43c7646a5eef7ba6caf11a938041d4332bc1640e9e8026b2af46cac

  • memory/2332-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

    Filesize

    4KB

  • memory/2332-1-0x0000000001340000-0x000000000142A000-memory.dmp

    Filesize

    936KB

  • memory/2332-2-0x0000000074DE0000-0x00000000754CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2332-3-0x00000000005B0000-0x00000000005CE000-memory.dmp

    Filesize

    120KB

  • memory/2332-4-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

    Filesize

    4KB

  • memory/2332-5-0x0000000074DE0000-0x00000000754CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2332-6-0x0000000004F00000-0x0000000004F7E000-memory.dmp

    Filesize

    504KB

  • memory/2332-34-0x0000000074DE0000-0x00000000754CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2720-31-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2720-30-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2720-27-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2720-25-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2720-23-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2720-21-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB

  • memory/2720-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2720-32-0x0000000000480000-0x00000000004D0000-memory.dmp

    Filesize

    320KB

  • memory/2720-33-0x0000000000C50000-0x0000000000C9E000-memory.dmp

    Filesize

    312KB

  • memory/2720-20-0x0000000000400000-0x0000000000437000-memory.dmp

    Filesize

    220KB