Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    30-03-2024 01:21

General

  • Target

    db443b9cc5dcd327a55c246e29d7a014765871334cb2f0f4437a9bf9ab17a356.exe

  • Size

    669KB

  • MD5

    3cb635ac122f720fd5f5dde6ed51b1be

  • SHA1

    47a7f233dc907cf843e7879d939aec360d08a303

  • SHA256

    db443b9cc5dcd327a55c246e29d7a014765871334cb2f0f4437a9bf9ab17a356

  • SHA512

    9c0badfbc75bb4e44999b4af7b48fbe4760d89dfd86e2b06de656dbe66942c2f93cb834ef48152769232832237e5783611aa7610cb3a29beca4d71b140840928

  • SSDEEP

    12288:JPrGLK1pWuStZUZaK/CaK7jDVXa58Pl7C/EoGd8FJTOKRCHywezHyiJ+GvTs:gipBuZU1/ejDVK+le/xMgsKRNwMiG

Malware Config

Extracted

Family

agenttesla

Credentials

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.

  • 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\db443b9cc5dcd327a55c246e29d7a014765871334cb2f0f4437a9bf9ab17a356.exe
    "C:\Users\Admin\AppData\Local\Temp\db443b9cc5dcd327a55c246e29d7a014765871334cb2f0f4437a9bf9ab17a356.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2948
    • 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\db443b9cc5dcd327a55c246e29d7a014765871334cb2f0f4437a9bf9ab17a356.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2572
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VXgePzK.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2684
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VXgePzK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7742.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2560
    • C:\Users\Admin\AppData\Local\Temp\db443b9cc5dcd327a55c246e29d7a014765871334cb2f0f4437a9bf9ab17a356.exe
      "C:\Users\Admin\AppData\Local\Temp\db443b9cc5dcd327a55c246e29d7a014765871334cb2f0f4437a9bf9ab17a356.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2408

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

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp7742.tmp
    Filesize

    1KB

    MD5

    7cf671594f66b57930fa1811dd1d9039

    SHA1

    c38f5bc0edbfee210c0dd472a8f38f71ecab174e

    SHA256

    6df0cf652230cc5b3a07dd53229f4cbb699f49004b4b0a7a8b284b104570f8ef

    SHA512

    16f059a88e4807354c9d38bc25876c9bfe256a62379b73c1f5a0ba82e40820f2a8acea21a15dfe7a6c6a7f5cccd2d5da984da389bdb9d1d323ddd1555fac61bc

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

    7KB

    MD5

    5e5500a4815609117cc9bc22e5972c58

    SHA1

    11150b050dcf47d68fd1600c8813faa2e4161ff4

    SHA256

    7a93ea83f2ea93b5af18cbe64db3ce8fc459bbe788fa9546910d729a69eceaee

    SHA512

    05ae136456093ed274b430ad235d24038d6564f25866f91b4e57847716e4f55a3e238a378b59a014d97c86211898b9a94d6210890c487b5f39ae5de4d4564fb0

  • memory/2408-19-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2408-18-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2408-29-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2408-20-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2408-21-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2408-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2408-24-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2408-27-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2572-32-0x0000000002410000-0x0000000002450000-memory.dmp
    Filesize

    256KB

  • memory/2572-30-0x000000006F0F0000-0x000000006F69B000-memory.dmp
    Filesize

    5.7MB

  • memory/2572-33-0x000000006F0F0000-0x000000006F69B000-memory.dmp
    Filesize

    5.7MB

  • memory/2684-31-0x000000006F0F0000-0x000000006F69B000-memory.dmp
    Filesize

    5.7MB

  • memory/2684-34-0x000000006F0F0000-0x000000006F69B000-memory.dmp
    Filesize

    5.7MB

  • memory/2948-5-0x00000000052A0000-0x0000000005322000-memory.dmp
    Filesize

    520KB

  • memory/2948-26-0x0000000074260000-0x000000007494E000-memory.dmp
    Filesize

    6.9MB

  • memory/2948-0-0x00000000013D0000-0x000000000147E000-memory.dmp
    Filesize

    696KB

  • memory/2948-4-0x00000000008A0000-0x00000000008AC000-memory.dmp
    Filesize

    48KB

  • memory/2948-3-0x0000000000910000-0x000000000092A000-memory.dmp
    Filesize

    104KB

  • memory/2948-2-0x0000000000990000-0x00000000009D0000-memory.dmp
    Filesize

    256KB

  • memory/2948-1-0x0000000074260000-0x000000007494E000-memory.dmp
    Filesize

    6.9MB