Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 17:55

General

  • Target

    ff36d7812f48615d477485cb66103972fb43ea3ecf70999811516d86df7107dd.exe

  • Size

    627KB

  • MD5

    34cdc050458ae8d48e010ee354c21cc5

  • SHA1

    1b4fe70c447529d3815b71eede45510066d069c6

  • SHA256

    ff36d7812f48615d477485cb66103972fb43ea3ecf70999811516d86df7107dd

  • SHA512

    3c6cdf0b2576df335611bbb61d6a104f1af2427eaf34742a215a24954adf7777bc478de60531e04ed0033ccead5dc0d05bd6146a9f2007192be532e7a2c04515

  • SSDEEP

    12288:g45+po2Yyk57sz2mygmAETW+GNxd1PeD0LFT0BBcOb4WGaGYa:D+pJLk5sqbgmAEihNx/eDUFABBZ4ara

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff36d7812f48615d477485cb66103972fb43ea3ecf70999811516d86df7107dd.exe
    "C:\Users\Admin\AppData\Local\Temp\ff36d7812f48615d477485cb66103972fb43ea3ecf70999811516d86df7107dd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2096
    • 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\ff36d7812f48615d477485cb66103972fb43ea3ecf70999811516d86df7107dd.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2520
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RwVaiNmLCN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1992
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RwVaiNmLCN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE3BA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2964
    • C:\Users\Admin\AppData\Local\Temp\ff36d7812f48615d477485cb66103972fb43ea3ecf70999811516d86df7107dd.exe
      "C:\Users\Admin\AppData\Local\Temp\ff36d7812f48615d477485cb66103972fb43ea3ecf70999811516d86df7107dd.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE3BA.tmp

    Filesize

    1KB

    MD5

    090e982e5d8f348eb65c29269fc2886e

    SHA1

    aa394b778d5d673fa9388c6a1b0a94f9944ced25

    SHA256

    1bb14c36539edaf818b6b283c1eb5951caea139cc624928a7841f45ab431eadb

    SHA512

    1c000451430d60544cdbe9b32d66e6757bffbbc628bb92803d8d793db5ec0fb0333d1250b58a2f8999c8a8021ba92eee2d1a5a84adbf317bcd44800a8259e296

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\MRSJCMU5J6AT5E5G8DAG.temp

    Filesize

    7KB

    MD5

    ef84c6af8fe0e068c04cbb8291242a88

    SHA1

    637f0ff3736e5664c143cd7666f6b6748a1ea02c

    SHA256

    98def422ebe93f52ef43586d9d62ec173d6c85126e8798c7bbb50aa4b2e30cf2

    SHA512

    98112ee5eebc6a2f7e4c3fced34c81a39dba458ce8b7b3b3a0643e3fe718745abb58948f0d5be23b606a7bc97aad6318555c747d6c558aba95e60d7fe4394935

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

    Filesize

    7KB

    MD5

    ef84c6af8fe0e068c04cbb8291242a88

    SHA1

    637f0ff3736e5664c143cd7666f6b6748a1ea02c

    SHA256

    98def422ebe93f52ef43586d9d62ec173d6c85126e8798c7bbb50aa4b2e30cf2

    SHA512

    98112ee5eebc6a2f7e4c3fced34c81a39dba458ce8b7b3b3a0643e3fe718745abb58948f0d5be23b606a7bc97aad6318555c747d6c558aba95e60d7fe4394935

  • memory/1992-40-0x000000006CCC0000-0x000000006D26B000-memory.dmp

    Filesize

    5.7MB

  • memory/1992-48-0x000000006CCC0000-0x000000006D26B000-memory.dmp

    Filesize

    5.7MB

  • memory/1992-38-0x000000006CCC0000-0x000000006D26B000-memory.dmp

    Filesize

    5.7MB

  • memory/1992-42-0x00000000025C0000-0x0000000002600000-memory.dmp

    Filesize

    256KB

  • memory/2096-1-0x0000000074530000-0x0000000074C1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2096-3-0x00000000003C0000-0x00000000003D8000-memory.dmp

    Filesize

    96KB

  • memory/2096-7-0x0000000005060000-0x00000000050DA000-memory.dmp

    Filesize

    488KB

  • memory/2096-2-0x00000000007F0000-0x0000000000830000-memory.dmp

    Filesize

    256KB

  • memory/2096-6-0x00000000007F0000-0x0000000000830000-memory.dmp

    Filesize

    256KB

  • memory/2096-4-0x00000000004F0000-0x00000000004F8000-memory.dmp

    Filesize

    32KB

  • memory/2096-24-0x0000000074530000-0x0000000074C1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2096-0-0x0000000000DF0000-0x0000000000E92000-memory.dmp

    Filesize

    648KB

  • memory/2096-5-0x0000000000500000-0x000000000050A000-memory.dmp

    Filesize

    40KB

  • memory/2096-36-0x0000000074530000-0x0000000074C1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2520-41-0x000000006CCC0000-0x000000006D26B000-memory.dmp

    Filesize

    5.7MB

  • memory/2520-39-0x0000000002630000-0x0000000002670000-memory.dmp

    Filesize

    256KB

  • memory/2520-45-0x0000000002630000-0x0000000002670000-memory.dmp

    Filesize

    256KB

  • memory/2520-46-0x0000000002630000-0x0000000002670000-memory.dmp

    Filesize

    256KB

  • memory/2520-37-0x000000006CCC0000-0x000000006D26B000-memory.dmp

    Filesize

    5.7MB

  • memory/2520-47-0x000000006CCC0000-0x000000006D26B000-memory.dmp

    Filesize

    5.7MB

  • memory/2720-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2720-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2720-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2720-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2720-43-0x0000000074530000-0x0000000074C1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2720-44-0x0000000004BF0000-0x0000000004C30000-memory.dmp

    Filesize

    256KB

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

    Filesize

    4KB

  • memory/2720-50-0x0000000004BF0000-0x0000000004C30000-memory.dmp

    Filesize

    256KB

  • memory/2720-35-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2720-33-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2720-49-0x0000000074530000-0x0000000074C1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2720-31-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB