Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-03-2024 07:32

General

  • Target

    rMONTHLYOUTSTANDINGDUESFEB-MAR.exe

  • Size

    658KB

  • MD5

    3c6b6f555c81e6369b4d9911fd85d726

  • SHA1

    775d160d72ab33faddeed53dce153f4e2e2ef822

  • SHA256

    76bd7d4ab00c260d021b928207d2617b19784eedfe615c1352419512e62fb8cf

  • SHA512

    53e5b52ea42cef4c5eea12f4d1c600bca2c7ead63004a1ce5c663662ebd39ba1d8c7b7a22ca26e786edd84168ddf81d6b801603caf12d89665664973e88c05a6

  • SSDEEP

    12288:kyzH2iNlw0j4dum9gzwYdJevLRcz83QnHPJ1o9Uxa05hez6JYmK3m6EdT/6qWXVU:31Xk4drSLRctHkUg05hezC6UTyqEVc

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.commtechtrading.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ;elP@ho2Np 7[

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 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rMONTHLYOUTSTANDINGDUESFEB-MAR.exe
    "C:\Users\Admin\AppData\Local\Temp\rMONTHLYOUTSTANDINGDUESFEB-MAR.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3552
    • 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\rMONTHLYOUTSTANDINGDUESFEB-MAR.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4424
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nyhygjNEpXXE.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:752
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nyhygjNEpXXE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6A4E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3644
    • C:\Users\Admin\AppData\Local\Temp\rMONTHLYOUTSTANDINGDUESFEB-MAR.exe
      "C:\Users\Admin\AppData\Local\Temp\rMONTHLYOUTSTANDINGDUESFEB-MAR.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1188
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4068

    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

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    4
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vbjzhdqt.l3f.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp6A4E.tmp
      Filesize

      1KB

      MD5

      1200500994673959673c4282f562ea7c

      SHA1

      36b6249c5f0040961cfbaceaeca199aa3df8573b

      SHA256

      8abca0343032cc614f584ae3ac9461d334a11d4d88f3f137411d4d50405abb6d

      SHA512

      517a502cdd7aad75771bf4fa400746536788033a554f7e1420d487b617704ef76ff84973d7735065061b29d2df5843f45fcd5d1de1ab3cf0b004da64afd73911

    • memory/752-54-0x00000000045A0000-0x00000000045B0000-memory.dmp
      Filesize

      64KB

    • memory/752-57-0x00000000712A0000-0x00000000712EC000-memory.dmp
      Filesize

      304KB

    • memory/752-94-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/752-85-0x00000000070F0000-0x0000000007186000-memory.dmp
      Filesize

      600KB

    • memory/752-88-0x00000000070A0000-0x00000000070AE000-memory.dmp
      Filesize

      56KB

    • memory/752-52-0x0000000005BB0000-0x0000000005BFC000-memory.dmp
      Filesize

      304KB

    • memory/752-51-0x00000000048D0000-0x00000000048EE000-memory.dmp
      Filesize

      120KB

    • memory/752-79-0x0000000006B40000-0x0000000006BE3000-memory.dmp
      Filesize

      652KB

    • memory/752-25-0x0000000004B30000-0x0000000004B96000-memory.dmp
      Filesize

      408KB

    • memory/752-87-0x0000000007070000-0x0000000007081000-memory.dmp
      Filesize

      68KB

    • memory/752-24-0x0000000004A90000-0x0000000004AB2000-memory.dmp
      Filesize

      136KB

    • memory/752-69-0x0000000006170000-0x000000000618E000-memory.dmp
      Filesize

      120KB

    • memory/752-58-0x000000007FC60000-0x000000007FC70000-memory.dmp
      Filesize

      64KB

    • memory/752-91-0x0000000007190000-0x0000000007198000-memory.dmp
      Filesize

      32KB

    • memory/752-20-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/752-21-0x00000000045A0000-0x00000000045B0000-memory.dmp
      Filesize

      64KB

    • memory/1188-97-0x0000000005760000-0x0000000005770000-memory.dmp
      Filesize

      64KB

    • memory/1188-80-0x00000000065D0000-0x0000000006620000-memory.dmp
      Filesize

      320KB

    • memory/1188-27-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/1188-41-0x0000000005760000-0x0000000005770000-memory.dmp
      Filesize

      64KB

    • memory/1188-29-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/1188-96-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/3552-9-0x0000000006A50000-0x0000000006AD2000-memory.dmp
      Filesize

      520KB

    • memory/3552-30-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/3552-22-0x0000000005770000-0x0000000005780000-memory.dmp
      Filesize

      64KB

    • memory/3552-0-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/3552-14-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/3552-8-0x0000000005760000-0x000000000576C000-memory.dmp
      Filesize

      48KB

    • memory/3552-7-0x0000000005740000-0x0000000005752000-memory.dmp
      Filesize

      72KB

    • memory/3552-6-0x0000000005820000-0x00000000058BC000-memory.dmp
      Filesize

      624KB

    • memory/3552-5-0x0000000005570000-0x000000000557A000-memory.dmp
      Filesize

      40KB

    • memory/3552-4-0x0000000005770000-0x0000000005780000-memory.dmp
      Filesize

      64KB

    • memory/3552-3-0x00000000054D0000-0x0000000005562000-memory.dmp
      Filesize

      584KB

    • memory/3552-2-0x0000000005B70000-0x0000000006114000-memory.dmp
      Filesize

      5.6MB

    • memory/3552-1-0x0000000000A30000-0x0000000000AD8000-memory.dmp
      Filesize

      672KB

    • memory/4424-18-0x00000000055C0000-0x0000000005BE8000-memory.dmp
      Filesize

      6.2MB

    • memory/4424-56-0x0000000006960000-0x0000000006992000-memory.dmp
      Filesize

      200KB

    • memory/4424-64-0x00000000712A0000-0x00000000712EC000-memory.dmp
      Filesize

      304KB

    • memory/4424-55-0x000000007F2C0000-0x000000007F2D0000-memory.dmp
      Filesize

      64KB

    • memory/4424-81-0x0000000007D20000-0x000000000839A000-memory.dmp
      Filesize

      6.5MB

    • memory/4424-82-0x0000000006A20000-0x0000000006A3A000-memory.dmp
      Filesize

      104KB

    • memory/4424-83-0x00000000076F0000-0x00000000076FA000-memory.dmp
      Filesize

      40KB

    • memory/4424-53-0x0000000002A40000-0x0000000002A50000-memory.dmp
      Filesize

      64KB

    • memory/4424-84-0x0000000007900000-0x0000000007996000-memory.dmp
      Filesize

      600KB

    • memory/4424-42-0x0000000005D10000-0x0000000006064000-memory.dmp
      Filesize

      3.3MB

    • memory/4424-86-0x0000000007880000-0x0000000007891000-memory.dmp
      Filesize

      68KB

    • memory/4424-26-0x00000000054A0000-0x0000000005506000-memory.dmp
      Filesize

      408KB

    • memory/4424-89-0x00000000078C0000-0x00000000078D4000-memory.dmp
      Filesize

      80KB

    • memory/4424-90-0x00000000079C0000-0x00000000079DA000-memory.dmp
      Filesize

      104KB

    • memory/4424-17-0x0000000002A40000-0x0000000002A50000-memory.dmp
      Filesize

      64KB

    • memory/4424-95-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/4424-19-0x0000000002A40000-0x0000000002A50000-memory.dmp
      Filesize

      64KB

    • memory/4424-16-0x00000000751E0000-0x0000000075990000-memory.dmp
      Filesize

      7.7MB

    • memory/4424-13-0x0000000002A70000-0x0000000002AA6000-memory.dmp
      Filesize

      216KB