Analysis

  • max time kernel
    124s
  • max time network
    49s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 11:33

General

  • Target

    Payment of PO. 303092.exe

  • Size

    727KB

  • MD5

    02389ebeb400fccb4be3a8a838947f41

  • SHA1

    7f36a7136d1a7fa89f79406df235a761b77ecb71

  • SHA256

    93c6d96d2c4eff6927c67389dbfa6be605fb70f8005783c3b9915a1ed9fd47f9

  • SHA512

    fb14193f2eed31a5a797296cb2e71f7b67c72bd16f58fff84b8f2d770a7b645a4260020fd05ca4a84006f543ab565dd9eef5ceb97984e4ced5f79a788f4bd5fe

  • SSDEEP

    12288:h7KE6jD/62iNG5nF8gljUB4Ab/J18w+Dao23eg6WwqEdz4EH9O4r9Ha:h7KtD/61IfjMXB2bGo9tWV84Spr0

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment of PO. 303092.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment of PO. 303092.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:452
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vTqEAcFwp.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3268
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vTqEAcFwp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9172.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3740
    • C:\Users\Admin\AppData\Local\Temp\Payment of PO. 303092.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment of PO. 303092.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_i1ajglqd.xt5.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp9172.tmp

    Filesize

    1KB

    MD5

    0237848301e28573fea7c2a8647c4d88

    SHA1

    a9072b3a475929928e6299407ba484a779a15105

    SHA256

    a801a75dbd191d51a81f713c8fde14e979f6fccc659a27e35073b129cde4a4af

    SHA512

    aae6fb1e5d7a9adef77bd89276d6ba7b74975d51febde0f496af9cf5ff45bf3f024f38e53dd7c454cee5e3047a7a8d781ce8d253186eeccb762d75dfb6fec3c4

  • memory/452-6-0x0000000005300000-0x0000000005318000-memory.dmp

    Filesize

    96KB

  • memory/452-3-0x00000000050D0000-0x0000000005162000-memory.dmp

    Filesize

    584KB

  • memory/452-4-0x00000000052B0000-0x00000000052C0000-memory.dmp

    Filesize

    64KB

  • memory/452-5-0x00000000050A0000-0x00000000050AA000-memory.dmp

    Filesize

    40KB

  • memory/452-21-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB

  • memory/452-7-0x0000000005320000-0x0000000005328000-memory.dmp

    Filesize

    32KB

  • memory/452-8-0x0000000005340000-0x000000000534A000-memory.dmp

    Filesize

    40KB

  • memory/452-9-0x0000000006990000-0x00000000069FA000-memory.dmp

    Filesize

    424KB

  • memory/452-10-0x00000000067C0000-0x000000000685C000-memory.dmp

    Filesize

    624KB

  • memory/452-2-0x00000000055E0000-0x0000000005B84000-memory.dmp

    Filesize

    5.6MB

  • memory/452-1-0x0000000000630000-0x00000000006EC000-memory.dmp

    Filesize

    752KB

  • memory/452-0-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB

  • memory/452-26-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3268-57-0x00000000081A0000-0x000000000881A000-memory.dmp

    Filesize

    6.5MB

  • memory/3268-62-0x0000000007D90000-0x0000000007D9E000-memory.dmp

    Filesize

    56KB

  • memory/3268-18-0x0000000005B00000-0x0000000006128000-memory.dmp

    Filesize

    6.2MB

  • memory/3268-23-0x00000000054C0000-0x00000000054D0000-memory.dmp

    Filesize

    64KB

  • memory/3268-19-0x00000000054C0000-0x00000000054D0000-memory.dmp

    Filesize

    64KB

  • memory/3268-68-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3268-27-0x0000000005860000-0x0000000005882000-memory.dmp

    Filesize

    136KB

  • memory/3268-17-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3268-28-0x0000000005A80000-0x0000000005AE6000-memory.dmp

    Filesize

    408KB

  • memory/3268-63-0x0000000007DA0000-0x0000000007DB4000-memory.dmp

    Filesize

    80KB

  • memory/3268-38-0x00000000063D0000-0x0000000006724000-memory.dmp

    Filesize

    3.3MB

  • memory/3268-39-0x0000000006830000-0x000000000684E000-memory.dmp

    Filesize

    120KB

  • memory/3268-40-0x0000000006880000-0x00000000068CC000-memory.dmp

    Filesize

    304KB

  • memory/3268-53-0x0000000007A10000-0x0000000007A2E000-memory.dmp

    Filesize

    120KB

  • memory/3268-56-0x00000000054C0000-0x00000000054D0000-memory.dmp

    Filesize

    64KB

  • memory/3268-55-0x00000000054C0000-0x00000000054D0000-memory.dmp

    Filesize

    64KB

  • memory/3268-54-0x0000000007A30000-0x0000000007AD3000-memory.dmp

    Filesize

    652KB

  • memory/3268-43-0x0000000070B60000-0x0000000070BAC000-memory.dmp

    Filesize

    304KB

  • memory/3268-42-0x00000000079D0000-0x0000000007A02000-memory.dmp

    Filesize

    200KB

  • memory/3268-41-0x000000007FD70000-0x000000007FD80000-memory.dmp

    Filesize

    64KB

  • memory/3268-58-0x0000000007B60000-0x0000000007B7A000-memory.dmp

    Filesize

    104KB

  • memory/3268-15-0x0000000002F00000-0x0000000002F36000-memory.dmp

    Filesize

    216KB

  • memory/3268-59-0x0000000007BD0000-0x0000000007BDA000-memory.dmp

    Filesize

    40KB

  • memory/3268-60-0x0000000007DE0000-0x0000000007E76000-memory.dmp

    Filesize

    600KB

  • memory/3268-61-0x0000000007D60000-0x0000000007D71000-memory.dmp

    Filesize

    68KB

  • memory/3268-65-0x0000000007E80000-0x0000000007E88000-memory.dmp

    Filesize

    32KB

  • memory/3268-64-0x0000000007EA0000-0x0000000007EBA000-memory.dmp

    Filesize

    104KB

  • memory/4768-20-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4768-24-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4768-25-0x0000000004E70000-0x0000000004ED6000-memory.dmp

    Filesize

    408KB

  • memory/4768-69-0x0000000006680000-0x00000000066D0000-memory.dmp

    Filesize

    320KB

  • memory/4768-70-0x00000000068A0000-0x0000000006A62000-memory.dmp

    Filesize

    1.8MB

  • memory/4768-71-0x0000000074E40000-0x00000000755F0000-memory.dmp

    Filesize

    7.7MB