Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 17:50

General

  • Target

    c73ae5c0ed525b9eeb053157d5d4addbcd933991165a1beefce9ec9f7271acac.exe

  • Size

    634KB

  • MD5

    516b4e94538b0696b4d1c29651129507

  • SHA1

    cf83ed10338ea104b84f918609aee66173ff16b5

  • SHA256

    c73ae5c0ed525b9eeb053157d5d4addbcd933991165a1beefce9ec9f7271acac

  • SHA512

    4e5118dab7b04e5d59a80c42f55cb4f92e4604ed3083ef05b03a7ba548e82490ccbebd4465e6b2c021e4356e55aeea250f2922b5b50b772030499a0605a49133

  • SSDEEP

    12288:945+po2/sTE5qgk7ek/FYJXcq/PlG1jqb6qIY/:o+pJxcek/wVP4IWLg

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c73ae5c0ed525b9eeb053157d5d4addbcd933991165a1beefce9ec9f7271acac.exe
    "C:\Users\Admin\AppData\Local\Temp\c73ae5c0ed525b9eeb053157d5d4addbcd933991165a1beefce9ec9f7271acac.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2160
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vHhbDot.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2652
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vHhbDot" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAA43.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2036
    • C:\Users\Admin\AppData\Local\Temp\c73ae5c0ed525b9eeb053157d5d4addbcd933991165a1beefce9ec9f7271acac.exe
      "C:\Users\Admin\AppData\Local\Temp\c73ae5c0ed525b9eeb053157d5d4addbcd933991165a1beefce9ec9f7271acac.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpAA43.tmp

    Filesize

    1KB

    MD5

    857719b31be23189c365aba6a155c228

    SHA1

    c62da07891b1a96407820a2ad1228e957f18ba34

    SHA256

    8d7caf5ea52e5c7e8848a866e01cbdb1a89e93a9f703d68c52459757ad8ec988

    SHA512

    b925fdb0f3f49d41c2496e9fca1876b2e655f1336ccefb9f256a2cd69d654b6f279a917c0f323f0afcc4ac80bba90e6756e8f0e46c6cfeccf79c2f2409ac3e67

  • memory/2160-24-0x0000000074C40000-0x000000007532E000-memory.dmp

    Filesize

    6.9MB

  • memory/2160-1-0x0000000074C40000-0x000000007532E000-memory.dmp

    Filesize

    6.9MB

  • memory/2160-2-0x0000000004870000-0x00000000048B0000-memory.dmp

    Filesize

    256KB

  • memory/2160-3-0x00000000003C0000-0x00000000003D8000-memory.dmp

    Filesize

    96KB

  • memory/2160-4-0x0000000000680000-0x0000000000688000-memory.dmp

    Filesize

    32KB

  • memory/2160-5-0x0000000000710000-0x000000000071A000-memory.dmp

    Filesize

    40KB

  • memory/2160-6-0x0000000004870000-0x00000000048B0000-memory.dmp

    Filesize

    256KB

  • memory/2160-7-0x0000000005B50000-0x0000000005BCE000-memory.dmp

    Filesize

    504KB

  • memory/2160-0-0x0000000000030000-0x00000000000D4000-memory.dmp

    Filesize

    656KB

  • memory/2652-30-0x000000006FE70000-0x000000007041B000-memory.dmp

    Filesize

    5.7MB

  • memory/2652-29-0x000000006FE70000-0x000000007041B000-memory.dmp

    Filesize

    5.7MB

  • memory/2652-34-0x000000006FE70000-0x000000007041B000-memory.dmp

    Filesize

    5.7MB

  • memory/2652-33-0x0000000001F20000-0x0000000001F60000-memory.dmp

    Filesize

    256KB

  • memory/2652-32-0x0000000001F20000-0x0000000001F60000-memory.dmp

    Filesize

    256KB

  • memory/2652-31-0x0000000001F20000-0x0000000001F60000-memory.dmp

    Filesize

    256KB

  • memory/2852-21-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2852-14-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2852-25-0x0000000074C40000-0x000000007532E000-memory.dmp

    Filesize

    6.9MB

  • memory/2852-28-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

    Filesize

    256KB

  • memory/2852-23-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2852-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2852-15-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2852-19-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2852-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2852-16-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2852-35-0x0000000074C40000-0x000000007532E000-memory.dmp

    Filesize

    6.9MB

  • memory/2852-36-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

    Filesize

    256KB