Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    08-04-2024 01:22

General

  • Target

    a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe

  • Size

    637KB

  • MD5

    ee96ba9c62c6ae099b8970512b43a31e

  • SHA1

    16e5f6cd0a08d0bb1a063bf254ec50de44629cef

  • SHA256

    a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b

  • SHA512

    37ae2052450948a0e0e062e8a96faad7e5aedaa97bf4d684ae6cb87e063a5535520e5856202dbe648b3afca6e1ef95aefd2dae8f927c3d123f49b5eb088817c9

  • SSDEEP

    12288:IlPloOJRYWq0xbSnwhbL036nXpQ2SusxTCmw9zP1Ha8STEiu8MVsvl:29oOJb/xunw1LHXW2xsxszSTEiF

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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe
    "C:\Users\Admin\AppData\Local\Temp\a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2040
    • 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\a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2592
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kGrkguaZtpZlQ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2600
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kGrkguaZtpZlQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3B5B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2292
    • C:\Users\Admin\AppData\Local\Temp\a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe
      "C:\Users\Admin\AppData\Local\Temp\a5f81bb24671f9db326ba9162f00c71b3fedd58e0fe4d5e17076a57db292b68b.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp3B5B.tmp

    Filesize

    1KB

    MD5

    598c1071f35d8aa3e87cce11ecca41cd

    SHA1

    13a8cd89ddc56c321f5754385f5493faedd10516

    SHA256

    f752dd20d46bdb78389cc411ae2aa2a847e9c9b034d179cd242b3c65563bd168

    SHA512

    c986e2499f7e70f1212bbbc2ba6d0095d0c06768fb6506f373aa5365c6838bb38232c3b6e2d09e26ecafb3b1e381c2a6199ede19c209ecf91e51411c4c2cd81f

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

    Filesize

    7KB

    MD5

    0260b23e48db6d3285c02bb75e9c9893

    SHA1

    cb0bc5681942b5c8299b11fe83c4a43e9a79ae9f

    SHA256

    bd97a314b74acf62c6258c3409b3a9686cf92b159ddece0e98f2d520d3248378

    SHA512

    445033ef5f48b3edda3ff020efcb93aa3278636427033d9a34e2d283ce25c236baa8c0f67e15a5f39faa8e68f4eb14c0a50235d89850fb082418ced084c09ac7

  • memory/2040-32-0x00000000740E0000-0x00000000747CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2040-0-0x0000000001260000-0x0000000001304000-memory.dmp

    Filesize

    656KB

  • memory/2040-2-0x0000000001090000-0x00000000010D0000-memory.dmp

    Filesize

    256KB

  • memory/2040-3-0x00000000005C0000-0x00000000005D4000-memory.dmp

    Filesize

    80KB

  • memory/2040-4-0x00000000005F0000-0x00000000005F8000-memory.dmp

    Filesize

    32KB

  • memory/2040-5-0x0000000000600000-0x000000000060C000-memory.dmp

    Filesize

    48KB

  • memory/2040-6-0x0000000004E30000-0x0000000004EB2000-memory.dmp

    Filesize

    520KB

  • memory/2040-1-0x00000000740E0000-0x00000000747CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2592-38-0x000000006DE90000-0x000000006E43B000-memory.dmp

    Filesize

    5.7MB

  • memory/2592-35-0x000000006DE90000-0x000000006E43B000-memory.dmp

    Filesize

    5.7MB

  • memory/2592-43-0x000000006DE90000-0x000000006E43B000-memory.dmp

    Filesize

    5.7MB

  • memory/2592-42-0x0000000002950000-0x0000000002990000-memory.dmp

    Filesize

    256KB

  • memory/2592-39-0x0000000002950000-0x0000000002990000-memory.dmp

    Filesize

    256KB

  • memory/2600-36-0x000000006DE90000-0x000000006E43B000-memory.dmp

    Filesize

    5.7MB

  • memory/2600-37-0x000000006DE90000-0x000000006E43B000-memory.dmp

    Filesize

    5.7MB

  • memory/2600-44-0x000000006DE90000-0x000000006E43B000-memory.dmp

    Filesize

    5.7MB

  • memory/2600-40-0x0000000002580000-0x00000000025C0000-memory.dmp

    Filesize

    256KB

  • memory/2680-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2680-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2680-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2680-31-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2680-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2680-41-0x00000000723C0000-0x0000000072AAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2680-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2680-34-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2680-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2680-45-0x00000000723C0000-0x0000000072AAE000-memory.dmp

    Filesize

    6.9MB