Analysis

  • max time kernel
    117s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    30-04-2024 01:42

General

  • Target

    7b875c99af1c2f5d408191348ed35fb4b58186e5af67859d2c6e167b6a240ff3.exe

  • Size

    768KB

  • MD5

    fd1d736d1fc187f7c1281f4067cad5cb

  • SHA1

    279cdb70f4df6b4dc8d0f0e4f29b349f9209f008

  • SHA256

    7b875c99af1c2f5d408191348ed35fb4b58186e5af67859d2c6e167b6a240ff3

  • SHA512

    1e4f785fe387aca037aa53a307ceea2dcf5a58dd23d3f962c7aeca0a56f1e238aefbe955b8b9b2feea7d58a5852d571beddd37565ec23c9cf6dd692c7bf4603b

  • SSDEEP

    12288:XB1oVeonJkPIcb1Eptdfx0DZmnzpOZqN27F0rlkl2BwkR:Do5WPX1EZ2DS8ZqNkUlY2B

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://5.255.100.203
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Bands#!12345

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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b875c99af1c2f5d408191348ed35fb4b58186e5af67859d2c6e167b6a240ff3.exe
    "C:\Users\Admin\AppData\Local\Temp\7b875c99af1c2f5d408191348ed35fb4b58186e5af67859d2c6e167b6a240ff3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2196
    • 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\7b875c99af1c2f5d408191348ed35fb4b58186e5af67859d2c6e167b6a240ff3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2112
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\uRZJJIkx.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2532
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uRZJJIkx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5082.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2416
    • C:\Users\Admin\AppData\Local\Temp\7b875c99af1c2f5d408191348ed35fb4b58186e5af67859d2c6e167b6a240ff3.exe
      "C:\Users\Admin\AppData\Local\Temp\7b875c99af1c2f5d408191348ed35fb4b58186e5af67859d2c6e167b6a240ff3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2964

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\tmp5082.tmp
    Filesize

    1KB

    MD5

    4e454576594d32093cc69959a468de2f

    SHA1

    0bf7874f30e69172ca40425feaf416e5c2c6a90a

    SHA256

    21821a976d4561f329d446e7d01226e09dff61820cd54fdfa444c92465601439

    SHA512

    913985762353cb9da08fdd41bb469c326cb6117d51bbb278b0b7dc7d93b3f6751bc56fdd407526365720f1b92605f8fa371512bf6ccf9907ced091adb23be322

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

    7KB

    MD5

    bf5dee3c4bb655234ff45a0bfbb0f06c

    SHA1

    d2506319b6f6a5cb80533339d1be5524e5d7b30c

    SHA256

    69fb91d4649261d80511a0344216b5f66aed5761bf13919173742c5a968f07a3

    SHA512

    f87a695bd48460e160fc8f3bf497d8fb742e5d2ec2ab71dd414a09df1091238f4a89709d9868717eaf5fbf713ab72c1d8d4e407ed79b53e0a0f88db93d8fd99b

  • memory/2196-4-0x0000000001D30000-0x0000000001D38000-memory.dmp
    Filesize

    32KB

  • memory/2196-45-0x00000000749F0000-0x00000000750DE000-memory.dmp
    Filesize

    6.9MB

  • memory/2196-0-0x0000000000010000-0x00000000000D2000-memory.dmp
    Filesize

    776KB

  • memory/2196-5-0x0000000001D80000-0x0000000001D8C000-memory.dmp
    Filesize

    48KB

  • memory/2196-6-0x00000000059B0000-0x0000000005A32000-memory.dmp
    Filesize

    520KB

  • memory/2196-2-0x0000000004C50000-0x0000000004C90000-memory.dmp
    Filesize

    256KB

  • memory/2196-1-0x00000000749F0000-0x00000000750DE000-memory.dmp
    Filesize

    6.9MB

  • memory/2196-3-0x0000000001E70000-0x0000000001E8C000-memory.dmp
    Filesize

    112KB

  • memory/2964-42-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2964-43-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2964-41-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2964-39-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2964-37-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2964-35-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2964-33-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2964-44-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB