Analysis

  • max time kernel
    142s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 17:32

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 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 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:2164
    • 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:4252
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vTqEAcFwp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1AC6.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2400
    • 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:4476

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Payment of PO. 303092.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uig2jue0.h1v.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp1AC6.tmp

    Filesize

    1KB

    MD5

    baa1b407b24e768eed1d34d37af5456b

    SHA1

    055cda49c8e7f38f8917a10327a9187780637474

    SHA256

    969ad41566a16906e9d67a81b9a1cacd3f6dac830eed636684c0ecaeabf5093c

    SHA512

    fd7c561de6a4ff086537539706c1d83679941e554654ee66363c98ebef6f1db9d902f1729cfbbb1259b27d814f2d220375a5a42a75ffeaea5851dea88f8b3f15

  • memory/2164-8-0x00000000056B0000-0x00000000056BA000-memory.dmp

    Filesize

    40KB

  • memory/2164-10-0x0000000006430000-0x00000000064CC000-memory.dmp

    Filesize

    624KB

  • memory/2164-5-0x0000000005180000-0x000000000518A000-memory.dmp

    Filesize

    40KB

  • memory/2164-6-0x0000000005670000-0x0000000005688000-memory.dmp

    Filesize

    96KB

  • memory/2164-7-0x0000000005690000-0x0000000005698000-memory.dmp

    Filesize

    32KB

  • memory/2164-3-0x00000000051B0000-0x0000000005242000-memory.dmp

    Filesize

    584KB

  • memory/2164-9-0x0000000006600000-0x000000000666A000-memory.dmp

    Filesize

    424KB

  • memory/2164-4-0x0000000005370000-0x0000000005380000-memory.dmp

    Filesize

    64KB

  • memory/2164-2-0x00000000056C0000-0x0000000005C64000-memory.dmp

    Filesize

    5.6MB

  • memory/2164-0-0x0000000000700000-0x00000000007BC000-memory.dmp

    Filesize

    752KB

  • memory/2164-26-0x0000000005370000-0x0000000005380000-memory.dmp

    Filesize

    64KB

  • memory/2164-29-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/2164-1-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/2164-17-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/4252-16-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/4252-56-0x0000000006E90000-0x0000000006EAE000-memory.dmp

    Filesize

    120KB

  • memory/4252-23-0x0000000005900000-0x0000000005922000-memory.dmp

    Filesize

    136KB

  • memory/4252-21-0x0000000002F60000-0x0000000002F70000-memory.dmp

    Filesize

    64KB

  • memory/4252-27-0x0000000006100000-0x0000000006166000-memory.dmp

    Filesize

    408KB

  • memory/4252-28-0x0000000006270000-0x00000000062D6000-memory.dmp

    Filesize

    408KB

  • memory/4252-20-0x0000000002F60000-0x0000000002F70000-memory.dmp

    Filesize

    64KB

  • memory/4252-71-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/4252-18-0x0000000005A20000-0x0000000006048000-memory.dmp

    Filesize

    6.2MB

  • memory/4252-15-0x0000000002FB0000-0x0000000002FE6000-memory.dmp

    Filesize

    216KB

  • memory/4252-68-0x0000000007F00000-0x0000000007F08000-memory.dmp

    Filesize

    32KB

  • memory/4252-41-0x00000000062E0000-0x0000000006634000-memory.dmp

    Filesize

    3.3MB

  • memory/4252-42-0x00000000068B0000-0x00000000068CE000-memory.dmp

    Filesize

    120KB

  • memory/4252-43-0x0000000006E20000-0x0000000006E6C000-memory.dmp

    Filesize

    304KB

  • memory/4252-44-0x0000000002F60000-0x0000000002F70000-memory.dmp

    Filesize

    64KB

  • memory/4252-45-0x0000000007A80000-0x0000000007AB2000-memory.dmp

    Filesize

    200KB

  • memory/4252-46-0x00000000701A0000-0x00000000701EC000-memory.dmp

    Filesize

    304KB

  • memory/4252-67-0x0000000007F20000-0x0000000007F3A000-memory.dmp

    Filesize

    104KB

  • memory/4252-57-0x0000000007AC0000-0x0000000007B63000-memory.dmp

    Filesize

    652KB

  • memory/4252-58-0x0000000008220000-0x000000000889A000-memory.dmp

    Filesize

    6.5MB

  • memory/4252-59-0x0000000007BE0000-0x0000000007BFA000-memory.dmp

    Filesize

    104KB

  • memory/4252-60-0x0000000007C50000-0x0000000007C5A000-memory.dmp

    Filesize

    40KB

  • memory/4252-61-0x0000000007E60000-0x0000000007EF6000-memory.dmp

    Filesize

    600KB

  • memory/4252-62-0x0000000007DE0000-0x0000000007DF1000-memory.dmp

    Filesize

    68KB

  • memory/4252-66-0x0000000007E20000-0x0000000007E34000-memory.dmp

    Filesize

    80KB

  • memory/4252-65-0x0000000007E10000-0x0000000007E1E000-memory.dmp

    Filesize

    56KB

  • memory/4476-64-0x0000000006E70000-0x0000000007032000-memory.dmp

    Filesize

    1.8MB

  • memory/4476-63-0x0000000006C50000-0x0000000006CA0000-memory.dmp

    Filesize

    320KB

  • memory/4476-22-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4476-31-0x0000000005570000-0x0000000005580000-memory.dmp

    Filesize

    64KB

  • memory/4476-30-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/4476-72-0x0000000074490000-0x0000000074C40000-memory.dmp

    Filesize

    7.7MB

  • memory/4476-73-0x0000000005570000-0x0000000005580000-memory.dmp

    Filesize

    64KB