Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 23:18

General

  • Target

    4d82449c56a732d1734733f8bf256478c0de63c214bb81eefc8bb517fd0a7f6b.exe

  • Size

    631KB

  • MD5

    a7978bc7aea0dee6342fb84feccf3b7f

  • SHA1

    cfb10b3127e5b9b780095d85e9efb7774e31bbe0

  • SHA256

    4d82449c56a732d1734733f8bf256478c0de63c214bb81eefc8bb517fd0a7f6b

  • SHA512

    bcdaa2db7cd7f710ead7d269f6fdd2f34d01c9a92fbfef4727a1317a842a6605dc9289420cc2b10052e6f200b6d2cc5bbe904746066ff56dfa3dab52dc20115e

  • SSDEEP

    12288:MEqL21QtNWYMiiU+azb+L49LaacPReI7o6n0IMDg0nDZZoPfQ7aHRdmrbr+5g:aaNzTU9z7LFse6JMDnDZkVHRdYbr+5g

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6353128006:AAFulmZK9PJ4k4JNz1oz4b-Jn-B9cWwS2rI/

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
  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 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\4d82449c56a732d1734733f8bf256478c0de63c214bb81eefc8bb517fd0a7f6b.exe
    "C:\Users\Admin\AppData\Local\Temp\4d82449c56a732d1734733f8bf256478c0de63c214bb81eefc8bb517fd0a7f6b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1480
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QDpduuBx.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4368
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QDpduuBx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp820C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1120
    • C:\Users\Admin\AppData\Local\Temp\4d82449c56a732d1734733f8bf256478c0de63c214bb81eefc8bb517fd0a7f6b.exe
      "C:\Users\Admin\AppData\Local\Temp\4d82449c56a732d1734733f8bf256478c0de63c214bb81eefc8bb517fd0a7f6b.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4d82449c56a732d1734733f8bf256478c0de63c214bb81eefc8bb517fd0a7f6b.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eyfl4gzr.jnv.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp820C.tmp

    Filesize

    1KB

    MD5

    02ecd0e2c352c6c5a9338903c569aae0

    SHA1

    2037325319ebf1e9bf9222249195a955e42c7d7a

    SHA256

    b6a0dbe7b525b7cfed8186f98e220592ba288280681b5ad7948ca9ce91f1e8ea

    SHA512

    d0ce4f54e25a8d5519f93ed9fc99570e6191b83f1d7e4a5104ff86177a0ab0a5da9e8966be25152f608cac982a81ac9127f23299fd9978a00268877daa54deec

  • C:\Users\Admin\AppData\Roaming\newapp\newapp.exe

    Filesize

    631KB

    MD5

    a7978bc7aea0dee6342fb84feccf3b7f

    SHA1

    cfb10b3127e5b9b780095d85e9efb7774e31bbe0

    SHA256

    4d82449c56a732d1734733f8bf256478c0de63c214bb81eefc8bb517fd0a7f6b

    SHA512

    bcdaa2db7cd7f710ead7d269f6fdd2f34d01c9a92fbfef4727a1317a842a6605dc9289420cc2b10052e6f200b6d2cc5bbe904746066ff56dfa3dab52dc20115e

  • memory/1480-24-0x00000000743E0000-0x0000000074B90000-memory.dmp

    Filesize

    7.7MB

  • memory/1480-4-0x0000000005520000-0x0000000005530000-memory.dmp

    Filesize

    64KB

  • memory/1480-6-0x00000000055F0000-0x0000000005600000-memory.dmp

    Filesize

    64KB

  • memory/1480-7-0x00000000743E0000-0x0000000074B90000-memory.dmp

    Filesize

    7.7MB

  • memory/1480-8-0x0000000005520000-0x0000000005530000-memory.dmp

    Filesize

    64KB

  • memory/1480-9-0x0000000005A00000-0x0000000005A0A000-memory.dmp

    Filesize

    40KB

  • memory/1480-10-0x0000000006470000-0x00000000064EE000-memory.dmp

    Filesize

    504KB

  • memory/1480-11-0x0000000008A50000-0x0000000008AEC000-memory.dmp

    Filesize

    624KB

  • memory/1480-1-0x00000000743E0000-0x0000000074B90000-memory.dmp

    Filesize

    7.7MB

  • memory/1480-5-0x0000000005600000-0x000000000560A000-memory.dmp

    Filesize

    40KB

  • memory/1480-3-0x0000000005540000-0x00000000055D2000-memory.dmp

    Filesize

    584KB

  • memory/1480-0-0x0000000000AA0000-0x0000000000B44000-memory.dmp

    Filesize

    656KB

  • memory/1480-2-0x0000000005A50000-0x0000000005FF4000-memory.dmp

    Filesize

    5.6MB

  • memory/3636-20-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/3636-29-0x0000000005060000-0x00000000050C6000-memory.dmp

    Filesize

    408KB

  • memory/3636-60-0x00000000743E0000-0x0000000074B90000-memory.dmp

    Filesize

    7.7MB

  • memory/3636-25-0x00000000743E0000-0x0000000074B90000-memory.dmp

    Filesize

    7.7MB

  • memory/3636-63-0x0000000005050000-0x0000000005060000-memory.dmp

    Filesize

    64KB

  • memory/3636-26-0x0000000005050000-0x0000000005060000-memory.dmp

    Filesize

    64KB

  • memory/3636-71-0x0000000006AC0000-0x0000000006B10000-memory.dmp

    Filesize

    320KB

  • memory/4368-39-0x0000000005700000-0x0000000005A54000-memory.dmp

    Filesize

    3.3MB

  • memory/4368-61-0x0000000007580000-0x0000000007BFA000-memory.dmp

    Filesize

    6.5MB

  • memory/4368-27-0x0000000004BC0000-0x0000000004BE2000-memory.dmp

    Filesize

    136KB

  • memory/4368-40-0x0000000005BF0000-0x0000000005C0E000-memory.dmp

    Filesize

    120KB

  • memory/4368-41-0x0000000005CB0000-0x0000000005CFC000-memory.dmp

    Filesize

    304KB

  • memory/4368-42-0x0000000004870000-0x0000000004880000-memory.dmp

    Filesize

    64KB

  • memory/4368-43-0x00000000743E0000-0x0000000074B90000-memory.dmp

    Filesize

    7.7MB

  • memory/4368-44-0x0000000004870000-0x0000000004880000-memory.dmp

    Filesize

    64KB

  • memory/4368-45-0x000000007EE50000-0x000000007EE60000-memory.dmp

    Filesize

    64KB

  • memory/4368-46-0x0000000004870000-0x0000000004880000-memory.dmp

    Filesize

    64KB

  • memory/4368-47-0x0000000006BD0000-0x0000000006C02000-memory.dmp

    Filesize

    200KB

  • memory/4368-48-0x00000000700E0000-0x000000007012C000-memory.dmp

    Filesize

    304KB

  • memory/4368-58-0x00000000048E0000-0x00000000048FE000-memory.dmp

    Filesize

    120KB

  • memory/4368-59-0x0000000006E10000-0x0000000006EB3000-memory.dmp

    Filesize

    652KB

  • memory/4368-23-0x0000000004EB0000-0x00000000054D8000-memory.dmp

    Filesize

    6.2MB

  • memory/4368-28-0x0000000004C60000-0x0000000004CC6000-memory.dmp

    Filesize

    408KB

  • memory/4368-62-0x0000000006F30000-0x0000000006F4A000-memory.dmp

    Filesize

    104KB

  • memory/4368-19-0x0000000002270000-0x00000000022A6000-memory.dmp

    Filesize

    216KB

  • memory/4368-64-0x00000000061C0000-0x00000000061CA000-memory.dmp

    Filesize

    40KB

  • memory/4368-17-0x0000000004870000-0x0000000004880000-memory.dmp

    Filesize

    64KB

  • memory/4368-67-0x00000000071C0000-0x0000000007256000-memory.dmp

    Filesize

    600KB

  • memory/4368-68-0x0000000004870000-0x0000000004880000-memory.dmp

    Filesize

    64KB

  • memory/4368-70-0x0000000007130000-0x0000000007141000-memory.dmp

    Filesize

    68KB

  • memory/4368-16-0x00000000743E0000-0x0000000074B90000-memory.dmp

    Filesize

    7.7MB

  • memory/4368-72-0x0000000007170000-0x000000000717E000-memory.dmp

    Filesize

    56KB

  • memory/4368-73-0x0000000007180000-0x0000000007194000-memory.dmp

    Filesize

    80KB

  • memory/4368-74-0x0000000007260000-0x000000000727A000-memory.dmp

    Filesize

    104KB

  • memory/4368-75-0x00000000071B0000-0x00000000071B8000-memory.dmp

    Filesize

    32KB

  • memory/4368-78-0x00000000743E0000-0x0000000074B90000-memory.dmp

    Filesize

    7.7MB