Analysis

  • max time kernel
    122s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    08-04-2024 01:22

General

  • Target

    ef8ad9042176ddf7dae5199f0135c2efabf224a45ac52f0ebc054b7ee9806c04.exe

  • Size

    670KB

  • MD5

    6fdf1d837846b08d6ae2a494e4a8cb4f

  • SHA1

    83de7ae17effb6c44f07ca8ac3902ea1a65908a0

  • SHA256

    ef8ad9042176ddf7dae5199f0135c2efabf224a45ac52f0ebc054b7ee9806c04

  • SHA512

    1449cae5a4207d5a617659af51d47975ca78f3aae5c217722e8795bf5b36a7c065110986cd32530b83c2fc4f4ba27e58065890384bda3fe360ab7dd52bf9200f

  • SSDEEP

    12288:reHAYWrPjwliuQVrvZkko0NZRHw2nRP0+q1oAZ1omX64/YKyS5UHLPwkR:roAYWr7wl0Bkko0NlO1Dd64/YKySuHT

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7062557814:AAFJ0MF0b9wa-ENiJCi7CNLUDP1tEYwJzMw/

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef8ad9042176ddf7dae5199f0135c2efabf224a45ac52f0ebc054b7ee9806c04.exe
    "C:\Users\Admin\AppData\Local\Temp\ef8ad9042176ddf7dae5199f0135c2efabf224a45ac52f0ebc054b7ee9806c04.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3028
    • 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\ef8ad9042176ddf7dae5199f0135c2efabf224a45ac52f0ebc054b7ee9806c04.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2552
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PlzhtgAH.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2624
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PlzhtgAH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp77FD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2804
    • C:\Users\Admin\AppData\Local\Temp\ef8ad9042176ddf7dae5199f0135c2efabf224a45ac52f0ebc054b7ee9806c04.exe
      "C:\Users\Admin\AppData\Local\Temp\ef8ad9042176ddf7dae5199f0135c2efabf224a45ac52f0ebc054b7ee9806c04.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp77FD.tmp

    Filesize

    1KB

    MD5

    6adae5bf511e3d99629705c6a320b7a4

    SHA1

    860c1b312a6de73a495efe5122aa10ad50b8ed22

    SHA256

    47d927487ba9bf3f5abfa115ec9cacdb947cf0c1194da3b7e5f7aed4c0105b27

    SHA512

    bdfd650f3fe93616810c0163d49695bbf5820c3f8e233d086203063cdcd31709cf06679e4ecc8033f6eb3a71960daa139ed0cb4deeddcab5a193be583db465e4

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

    Filesize

    7KB

    MD5

    1b60cb471265a2b244e67da9b5b6313c

    SHA1

    67c28424d518045dfca6d0d38c49a239c7b99854

    SHA256

    2f64b7fa6b1561408930d640f1399aede069581405f0ab2ff0fcc87f9fcb08b7

    SHA512

    4068828786e72ac3011901f1a34f9d3fcb48e24973d2ca5ac536fad85e3f407020b90f5053ca9a6c4101bc9465fbc8de60d042dc617e632d8de255d36cb318ea

  • memory/2464-25-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2464-21-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2464-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2464-46-0x0000000004DF0000-0x0000000004E30000-memory.dmp

    Filesize

    256KB

  • memory/2464-47-0x00000000731C0000-0x00000000738AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2464-48-0x0000000004DF0000-0x0000000004E30000-memory.dmp

    Filesize

    256KB

  • memory/2464-34-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2464-18-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2464-29-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2464-23-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2464-31-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2464-44-0x00000000731C0000-0x00000000738AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2552-35-0x000000006F010000-0x000000006F5BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2552-41-0x00000000029E0000-0x0000000002A20000-memory.dmp

    Filesize

    256KB

  • memory/2552-40-0x000000006F010000-0x000000006F5BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2552-45-0x000000006F010000-0x000000006F5BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2552-38-0x00000000029E0000-0x0000000002A20000-memory.dmp

    Filesize

    256KB

  • memory/2624-43-0x000000006F010000-0x000000006F5BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2624-36-0x000000006F010000-0x000000006F5BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2624-37-0x00000000028A0000-0x00000000028E0000-memory.dmp

    Filesize

    256KB

  • memory/2624-39-0x000000006F010000-0x000000006F5BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2624-42-0x00000000028A0000-0x00000000028E0000-memory.dmp

    Filesize

    256KB

  • memory/3028-19-0x00000000744C0000-0x0000000074BAE000-memory.dmp

    Filesize

    6.9MB

  • memory/3028-33-0x00000000744C0000-0x0000000074BAE000-memory.dmp

    Filesize

    6.9MB

  • memory/3028-0-0x0000000000F50000-0x0000000000FFA000-memory.dmp

    Filesize

    680KB

  • memory/3028-5-0x0000000005FE0000-0x0000000006066000-memory.dmp

    Filesize

    536KB

  • memory/3028-4-0x00000000004D0000-0x00000000004DC000-memory.dmp

    Filesize

    48KB

  • memory/3028-3-0x00000000004C0000-0x00000000004D0000-memory.dmp

    Filesize

    64KB

  • memory/3028-2-0x0000000004D50000-0x0000000004D90000-memory.dmp

    Filesize

    256KB

  • memory/3028-1-0x00000000744C0000-0x0000000074BAE000-memory.dmp

    Filesize

    6.9MB