Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2023 15:20

General

  • Target

    STATEMENT OF ACCOUNT.pdf____________________________________________________________________________.exe

  • Size

    974KB

  • MD5

    b624b22306191a4001991e6a98a7633c

  • SHA1

    f519bef2574df8f8a8d0fc5d19f029c72d9a1182

  • SHA256

    a2d18105194e15ef86987c3eba487d3c98e4ffcc9f5df8fff8c2c71559729641

  • SHA512

    114151d9dcb4c24168602beb97671dd9e733ab4e49771132ffff18f41d598246b096b751e266347267593539843b0a1967a34547298c1190c2a9626ab1a23edd

  • SSDEEP

    24576:uxK/cSUHegxG2VBxlYC6l27o0lp+h/tynfCr:uxsm+gQclYCrka+h/tNr

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 2 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.pdf____________________________________________________________________________.exe
    "C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.pdf____________________________________________________________________________.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2316
    • 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\STATEMENT OF ACCOUNT.pdf____________________________________________________________________________.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2620
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZUcrmhnom.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2688
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZUcrmhnom" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD7E8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2784
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD7E8.tmp

    Filesize

    1KB

    MD5

    1a8d7203418ad49433958b163b383113

    SHA1

    4421acd06ff2a58717d8bdd0b3aebb237cf73030

    SHA256

    db1b4cc52b86a8a067fc36706b3ef3e88ff289ed97bf0825ccac0af1a4624e43

    SHA512

    918a0b4d0046765c6adbbfd152db5962cb5e61129c225897f1e3cb871fbfc25c73c039d7401f855f43d53d434ad82aff5fe2be35b7d3533485b209d9dd3fb6e8

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\4I960UWA2GV77FXJ2M6J.temp

    Filesize

    7KB

    MD5

    8f9919b2eae4493ed14c097e9ba55413

    SHA1

    ba19a07c4d8d24202187f06af21aca0da59613b2

    SHA256

    40f3e37e0f637d951c4c1d2202436eb83d3a05c7e103e8d99ca6b85652d4809e

    SHA512

    1369e9aad51eccefed5ee1cfe667696b48028eda488b77fdd6c95dfeaed4f88086429c175a52a1215dfe3d891fc95278873f99e7af4493a121e967a410938a32

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

    Filesize

    7KB

    MD5

    8f9919b2eae4493ed14c097e9ba55413

    SHA1

    ba19a07c4d8d24202187f06af21aca0da59613b2

    SHA256

    40f3e37e0f637d951c4c1d2202436eb83d3a05c7e103e8d99ca6b85652d4809e

    SHA512

    1369e9aad51eccefed5ee1cfe667696b48028eda488b77fdd6c95dfeaed4f88086429c175a52a1215dfe3d891fc95278873f99e7af4493a121e967a410938a32

  • memory/2316-1-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2316-0-0x0000000000C00000-0x0000000000CF8000-memory.dmp

    Filesize

    992KB

  • memory/2316-2-0x0000000000500000-0x0000000000540000-memory.dmp

    Filesize

    256KB

  • memory/2316-3-0x0000000000B30000-0x0000000000B4A000-memory.dmp

    Filesize

    104KB

  • memory/2316-4-0x00000000004F0000-0x00000000004F8000-memory.dmp

    Filesize

    32KB

  • memory/2316-5-0x0000000000540000-0x000000000054A000-memory.dmp

    Filesize

    40KB

  • memory/2316-6-0x0000000005B70000-0x0000000005BEA000-memory.dmp

    Filesize

    488KB

  • memory/2316-19-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2316-29-0x0000000074680000-0x0000000074D6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2540-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2540-35-0x0000000072DF0000-0x00000000734DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2540-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2540-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2540-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2540-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2540-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2540-31-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2540-42-0x00000000047F0000-0x0000000004830000-memory.dmp

    Filesize

    256KB

  • memory/2540-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2540-41-0x0000000072DF0000-0x00000000734DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2620-33-0x000000006F710000-0x000000006FCBB000-memory.dmp

    Filesize

    5.7MB

  • memory/2620-37-0x0000000002740000-0x0000000002780000-memory.dmp

    Filesize

    256KB

  • memory/2620-38-0x0000000002740000-0x0000000002780000-memory.dmp

    Filesize

    256KB

  • memory/2620-40-0x000000006F710000-0x000000006FCBB000-memory.dmp

    Filesize

    5.7MB

  • memory/2688-36-0x0000000002680000-0x00000000026C0000-memory.dmp

    Filesize

    256KB

  • memory/2688-39-0x000000006F710000-0x000000006FCBB000-memory.dmp

    Filesize

    5.7MB

  • memory/2688-34-0x0000000002680000-0x00000000026C0000-memory.dmp

    Filesize

    256KB

  • memory/2688-32-0x000000006F710000-0x000000006FCBB000-memory.dmp

    Filesize

    5.7MB