Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 01:06

General

  • Target

    dff7bba17ebeb45bdda1b5b5315b34eb0dbac3f0ba2b1b502a5f8cf7b1d95f24.exe

  • Size

    661KB

  • MD5

    807c8925f35b1b37c631f13358051965

  • SHA1

    fba6535655e3e7fde3384038eb96478ce8101a93

  • SHA256

    dff7bba17ebeb45bdda1b5b5315b34eb0dbac3f0ba2b1b502a5f8cf7b1d95f24

  • SHA512

    79a4897d8eceae835285f85ea692e02811df3c79a26087733f7a8a9f7ccb1dd6140267ee31e6373c96cacf977169fe4c27cc862ab6e367bbab3a8bbc980040fa

  • SSDEEP

    12288:g128AjqFD1dMTYkZgZ3xMaKkE+8Sj5jDYolFXQOwtYXRjt/7kwmVkR:g128AWFDTMUkOhElKjsol9zhJt/7kwmo

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\dff7bba17ebeb45bdda1b5b5315b34eb0dbac3f0ba2b1b502a5f8cf7b1d95f24.exe
    "C:\Users\Admin\AppData\Local\Temp\dff7bba17ebeb45bdda1b5b5315b34eb0dbac3f0ba2b1b502a5f8cf7b1d95f24.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\dff7bba17ebeb45bdda1b5b5315b34eb0dbac3f0ba2b1b502a5f8cf7b1d95f24.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FDgKJZ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2664
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FDgKJZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4FD5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2372
    • C:\Users\Admin\AppData\Local\Temp\dff7bba17ebeb45bdda1b5b5315b34eb0dbac3f0ba2b1b502a5f8cf7b1d95f24.exe
      "C:\Users\Admin\AppData\Local\Temp\dff7bba17ebeb45bdda1b5b5315b34eb0dbac3f0ba2b1b502a5f8cf7b1d95f24.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2268

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\tmp4FD5.tmp
    Filesize

    1KB

    MD5

    bafbc9173d4ab9f895fda1d5cc831dbe

    SHA1

    511ad309496ebdf4efc70b41ade60b5baf582134

    SHA256

    305a87a4780541fa9bd50944daa22eca1097e99581e34cc39f47074e8346221a

    SHA512

    09b278216f080ce1170197c061930b3d4af6321af9da4678b7fa666e8dfac0065d9233422038566f8aeb122b292393a5c079b23ef0c5fd338d7f9f49d4b3674b

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

    7KB

    MD5

    8fe72f6fb2ce68ba52cd434556e7ffce

    SHA1

    ec8f52b073756924070901b274ae8ab373a5959b

    SHA256

    2602ab3d734d86f9bbd15a7145af3ddb862c06de1543da41b80de9e28176e240

    SHA512

    03ca43494c75b7cfa1f288df3d1f7c1ee47c23162ea92db6b12bd1f77bc936dac214a68dfe30539f68f5bc90b6b0d350de74c6a2eca0e0d1d985d2196612f7be

  • \??\PIPE\srvsvc
    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • memory/2040-4-0x0000000000390000-0x000000000039E000-memory.dmp
    Filesize

    56KB

  • memory/2040-32-0x0000000074920000-0x000000007500E000-memory.dmp
    Filesize

    6.9MB

  • memory/2040-5-0x00000000003A0000-0x00000000003B4000-memory.dmp
    Filesize

    80KB

  • memory/2040-6-0x000000000A220000-0x000000000A2A2000-memory.dmp
    Filesize

    520KB

  • memory/2040-3-0x0000000000320000-0x0000000000338000-memory.dmp
    Filesize

    96KB

  • memory/2040-2-0x0000000004270000-0x00000000042B0000-memory.dmp
    Filesize

    256KB

  • memory/2040-1-0x0000000074920000-0x000000007500E000-memory.dmp
    Filesize

    6.9MB

  • memory/2040-0-0x0000000000D50000-0x0000000000DF6000-memory.dmp
    Filesize

    664KB

  • memory/2268-24-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2268-30-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2268-29-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2268-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2268-26-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2268-22-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2268-20-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2268-31-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB