Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 01:14

General

  • Target

    e222d75a33fff327ec1254811a7304797c289cdfb30be9fe11013bbb40c7aa5d.exe

  • Size

    726KB

  • MD5

    126f918e50102b724bc12bc368659c26

  • SHA1

    b42dbabdd6fa6fae98642dd4d3619daf8e26e960

  • SHA256

    e222d75a33fff327ec1254811a7304797c289cdfb30be9fe11013bbb40c7aa5d

  • SHA512

    1093165e4bb2ddc0db24ec235babe843dcf82d9e8e20cfbc6e320af509b99dd0337a17a8b8862777df8621ec218f020565f30ae86dc34c0c78cd2ae525df1177

  • SSDEEP

    12288:YWYIPXjxannnHg2ahnN4vbcUNl9P7ytOH3utm0eULAZC+yGvk2YPmI1:YWYIPFannnHg240lwQCmsAZp5vCL1

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7102823318:AAHAsxGnWgIMglBwmkDdZmvCKtYHywBY4Bc/

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 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 7 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\e222d75a33fff327ec1254811a7304797c289cdfb30be9fe11013bbb40c7aa5d.exe
    "C:\Users\Admin\AppData\Local\Temp\e222d75a33fff327ec1254811a7304797c289cdfb30be9fe11013bbb40c7aa5d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1660
    • 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\e222d75a33fff327ec1254811a7304797c289cdfb30be9fe11013bbb40c7aa5d.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2608
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wqZdtmVGmXVmOF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2528
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wqZdtmVGmXVmOF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3F03.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2788
    • C:\Users\Admin\AppData\Local\Temp\e222d75a33fff327ec1254811a7304797c289cdfb30be9fe11013bbb40c7aa5d.exe
      "C:\Users\Admin\AppData\Local\Temp\e222d75a33fff327ec1254811a7304797c289cdfb30be9fe11013bbb40c7aa5d.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2404

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

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\cashout\cashout.exe
    Filesize

    726KB

    MD5

    126f918e50102b724bc12bc368659c26

    SHA1

    b42dbabdd6fa6fae98642dd4d3619daf8e26e960

    SHA256

    e222d75a33fff327ec1254811a7304797c289cdfb30be9fe11013bbb40c7aa5d

    SHA512

    1093165e4bb2ddc0db24ec235babe843dcf82d9e8e20cfbc6e320af509b99dd0337a17a8b8862777df8621ec218f020565f30ae86dc34c0c78cd2ae525df1177

  • C:\Users\Admin\AppData\Local\Temp\tmp3F03.tmp
    Filesize

    1KB

    MD5

    f655fbc9159e54c5a3f2d4c9307dcd15

    SHA1

    18f9ca3211fff2b38e8eb07064ac4c737bbf02af

    SHA256

    dfcc843c86422757ec1a0d58ce3e7c40cbe40ef268ceeeb37926a0ebfa4192af

    SHA512

    88171a2754c6173c4020f284e25cd958fbbbe089d5bdccd20eddd3c99b7a018fa71c9c1241d600f01db907df620c8d7133c5cc01c3f45aee63f8597c5febb832

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\4KRP3Z1PPOIU92WTNKPQ.temp
    Filesize

    7KB

    MD5

    a54e682186a2ba34d89efda9581fb35a

    SHA1

    619145399ea474e7cab01773b7205fcdd0babd46

    SHA256

    4e6a14db45dba0ca848bcb981d4212045cea1217c22774e946b41a52993a56ca

    SHA512

    ca21d0c7fb49a1461cef2c9d0fe75cdd897ce1ed0f6fe229ae79ca5d1c9645202338c8bfc3934c9b1a2868465b388515005e3fc36230ddde1c6bcf42d0d672be

  • memory/1660-31-0x00000000746D0000-0x0000000074DBE000-memory.dmp
    Filesize

    6.9MB

  • memory/1660-1-0x00000000746D0000-0x0000000074DBE000-memory.dmp
    Filesize

    6.9MB

  • memory/1660-2-0x0000000001FA0000-0x0000000001FE0000-memory.dmp
    Filesize

    256KB

  • memory/1660-3-0x00000000006D0000-0x00000000006F0000-memory.dmp
    Filesize

    128KB

  • memory/1660-4-0x00000000006F0000-0x0000000000704000-memory.dmp
    Filesize

    80KB

  • memory/1660-5-0x00000000059B0000-0x0000000005A38000-memory.dmp
    Filesize

    544KB

  • memory/1660-0-0x00000000009B0000-0x0000000000A6A000-memory.dmp
    Filesize

    744KB

  • memory/2404-28-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2404-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2404-24-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2404-22-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2404-18-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2404-20-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2404-30-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB

  • memory/2404-27-0x0000000000400000-0x0000000000444000-memory.dmp
    Filesize

    272KB