Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    26-03-2024 22:15

General

  • Target

    HUHE34ED34U.exe

  • Size

    718KB

  • MD5

    e0f4226c8a03a6033b1ea0075056ad9a

  • SHA1

    910d11dae17bdd87040236e5be2eac30abb04471

  • SHA256

    e91d389bcd7dbcd63860b1bbe09fbc006880616e113630acb2dff1d5a41efb6a

  • SHA512

    4374798b697ebd65ee84fe923d1acdc6a85aaa398bb798817abd55f8ee4e25a6a47a0ac9782e5595a13238b5161b37c669ad9544255bdb5eec76c6e35b2a1b17

  • SSDEEP

    12288:da5WzrnDaFW0bfPdbef4XqXwK9Wfz+XTKg2Uzy9HOotXHisN:3fnDaFW0bfPo4XqXw8A9h9nL

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HUHE34ED34U.exe
    "C:\Users\Admin\AppData\Local\Temp\HUHE34ED34U.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1932
    • 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\HUHE34ED34U.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2800
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bhLUNIgOPx.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3016
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bhLUNIgOPx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8279.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2524
    • C:\Users\Admin\AppData\Local\Temp\HUHE34ED34U.exe
      "C:\Users\Admin\AppData\Local\Temp\HUHE34ED34U.exe"
      2⤵
        PID:2420
      • C:\Users\Admin\AppData\Local\Temp\HUHE34ED34U.exe
        "C:\Users\Admin\AppData\Local\Temp\HUHE34ED34U.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1652

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    Credential Access

    Unsecured Credentials

    2
    T1552

    Credentials In Files

    2
    T1552.001

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    2
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp8279.tmp
      Filesize

      1KB

      MD5

      5d7944976668e1615c61e83ff71d442b

      SHA1

      385d48d5e9ea4d377d32113e48edfeb4a3655d4b

      SHA256

      8186bf474a22d085130b29d6120bcf2340304cf1529fad356e29e05a709b8fa7

      SHA512

      213530448212d3237502f4f89bc98e9c77bc8d00fc9c1429e321e30371cc6516f25047e5ac29de923147e76a95dba088720dcbf805e6a5d5a607b6e9e630d76e

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

      7KB

      MD5

      8bf6da6add7aa623dcd7c22a056f4d0e

      SHA1

      351b323ac82af8defeab65d05ec0f27399388dfc

      SHA256

      2e4c87713b87241ac94a4348ab61e8009982bdde5fb4aa6efc8c2582459b3935

      SHA512

      579f45f97c19a11f6677f270b357bc9340f2c74d3ab532709ee03fc62b66a35b88b6b7a5aae7b3db91cf8169b453f080f35df1a1d5631af1374bc209b985b84f

    • memory/1652-37-0x0000000073F10000-0x00000000745FE000-memory.dmp
      Filesize

      6.9MB

    • memory/1652-28-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1652-35-0x00000000042C0000-0x0000000004300000-memory.dmp
      Filesize

      256KB

    • memory/1652-26-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1652-42-0x00000000042C0000-0x0000000004300000-memory.dmp
      Filesize

      256KB

    • memory/1652-43-0x0000000073F10000-0x00000000745FE000-memory.dmp
      Filesize

      6.9MB

    • memory/1652-18-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1652-19-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1652-21-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1652-20-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1652-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/1652-24-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1932-29-0x0000000073F10000-0x00000000745FE000-memory.dmp
      Filesize

      6.9MB

    • memory/1932-5-0x0000000005C10000-0x0000000005C92000-memory.dmp
      Filesize

      520KB

    • memory/1932-1-0x0000000073F10000-0x00000000745FE000-memory.dmp
      Filesize

      6.9MB

    • memory/1932-0-0x0000000000A50000-0x0000000000B08000-memory.dmp
      Filesize

      736KB

    • memory/1932-2-0x0000000004E10000-0x0000000004E50000-memory.dmp
      Filesize

      256KB

    • memory/1932-4-0x0000000000370000-0x000000000037C000-memory.dmp
      Filesize

      48KB

    • memory/1932-3-0x0000000000340000-0x0000000000352000-memory.dmp
      Filesize

      72KB

    • memory/2800-39-0x0000000002770000-0x00000000027B0000-memory.dmp
      Filesize

      256KB

    • memory/2800-31-0x000000006ED60000-0x000000006F30B000-memory.dmp
      Filesize

      5.7MB

    • memory/2800-33-0x000000006ED60000-0x000000006F30B000-memory.dmp
      Filesize

      5.7MB

    • memory/2800-36-0x0000000002770000-0x00000000027B0000-memory.dmp
      Filesize

      256KB

    • memory/2800-40-0x000000006ED60000-0x000000006F30B000-memory.dmp
      Filesize

      5.7MB

    • memory/3016-32-0x00000000024F0000-0x0000000002530000-memory.dmp
      Filesize

      256KB

    • memory/3016-41-0x000000006ED60000-0x000000006F30B000-memory.dmp
      Filesize

      5.7MB

    • memory/3016-38-0x00000000024F0000-0x0000000002530000-memory.dmp
      Filesize

      256KB

    • memory/3016-34-0x000000006ED60000-0x000000006F30B000-memory.dmp
      Filesize

      5.7MB

    • memory/3016-30-0x000000006ED60000-0x000000006F30B000-memory.dmp
      Filesize

      5.7MB