Analysis

  • max time kernel
    119s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 01:10

General

  • Target

    Swift Copy Of Pending payment.exe

  • Size

    896KB

  • MD5

    90e79f831e49e4a1dd217e924901439d

  • SHA1

    691db5a918bce1037706007d116c377edeb949e1

  • SHA256

    1cc4e1cd2856bfacad4276b81fcbabd357e3b870d0ea553598bb5886511e6580

  • SHA512

    58f444d94637d8bd982c151062ded998d31f6adbae9782bfe967259b665bf227fc851b74294e88f11d4459c568fe6b451df037ffaad1fad2dbaf0170b4d41d9f

  • SSDEEP

    24576:rw4bjw4bbobwU5bw9hVFp6x1Rl0+rusJUB7:rw4bjw4bcEiU9hfYxfl0+rL4

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 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\Swift Copy Of Pending payment.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2368
    • 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\Swift Copy Of Pending payment.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2388
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xwOFFZwS.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2556
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xwOFFZwS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp392A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2652
    • C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe
      "C:\Users\Admin\AppData\Local\Temp\Swift Copy Of Pending payment.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2824

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

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\tmp392A.tmp
    Filesize

    1KB

    MD5

    86bc7c0977aa478884ae5f7027bfa5d0

    SHA1

    c0477ec7d796c73a28c104816bba1f85cdda2ddc

    SHA256

    d38451920dd4609af06ba46c179c66405c35b2318af5e5f4ce6342a990ba7a93

    SHA512

    51e4de66a0712be6634f1e2e4b2e56f47274ca6e80826fafcaef8e217cef46ea5a9e05134db6d2e0ed738ced5f84c451a0985a46bd113809c73026ceeb5a5bf3

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\VU6RL56H235L2XIST9UI.temp
    Filesize

    7KB

    MD5

    ac3181dfc92ec53cd8a0260d358f39d9

    SHA1

    71e096766d2634b837627708631689062116a61d

    SHA256

    a66a543030c0bae69b6a0741c4dd3c80f4c54ef4f5f8568dbdd54f3be9e8904e

    SHA512

    6e15e28bf7efa2c6ced8ffafaa267204b583ad2e5e61a20cab1170ec78f450f08555841256eebc6ac7933013cc7e34298fa1fe4d55e834339dab0e57fe9d92d8

  • memory/2368-31-0x00000000743D0000-0x0000000074ABE000-memory.dmp
    Filesize

    6.9MB

  • memory/2368-1-0x00000000000B0000-0x0000000000194000-memory.dmp
    Filesize

    912KB

  • memory/2368-2-0x00000000743D0000-0x0000000074ABE000-memory.dmp
    Filesize

    6.9MB

  • memory/2368-3-0x00000000007C0000-0x00000000007DA000-memory.dmp
    Filesize

    104KB

  • memory/2368-4-0x00000000007E0000-0x00000000007F0000-memory.dmp
    Filesize

    64KB

  • memory/2368-5-0x0000000005230000-0x00000000052B4000-memory.dmp
    Filesize

    528KB

  • memory/2368-0-0x00000000743DE000-0x00000000743DF000-memory.dmp
    Filesize

    4KB

  • memory/2824-28-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2824-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2824-22-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2824-18-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2824-20-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2824-30-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2824-24-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2824-27-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB