Analysis

  • max time kernel
    128s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2023 01:01

General

  • Target

    9398183dc7939dac6ab4ea086995045996430ce19b90a88b92ca296d224bebbd.exe

  • Size

    796KB

  • MD5

    b8751ceed8391f475cd415953db0f132

  • SHA1

    39513452b4d50038db863c8aa209f6bd30136ba8

  • SHA256

    9398183dc7939dac6ab4ea086995045996430ce19b90a88b92ca296d224bebbd

  • SHA512

    1fd45abe4477e1b7052579c2458b5333932cf41db960f196ecc85c8c2c06b9605cfe0cac4bbf3acc3729b0ba77a40a122ddc7e5b799fc5652c23356440b524f3

  • SSDEEP

    24576:wT6Ic+5lOid4eU/pfnqmLN2d1LmWcrPd:G/nbUhvvN2HLmWA

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6457934165:AAH3jNqw6uBv-_oMsG6zO_Jab90WBoaavm4/

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.

  • 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).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9398183dc7939dac6ab4ea086995045996430ce19b90a88b92ca296d224bebbd.exe
    "C:\Users\Admin\AppData\Local\Temp\9398183dc7939dac6ab4ea086995045996430ce19b90a88b92ca296d224bebbd.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:444
    • 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\9398183dc7939dac6ab4ea086995045996430ce19b90a88b92ca296d224bebbd.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3228
    • C:\Users\Admin\AppData\Local\Temp\9398183dc7939dac6ab4ea086995045996430ce19b90a88b92ca296d224bebbd.exe
      "C:\Users\Admin\AppData\Local\Temp\9398183dc7939dac6ab4ea086995045996430ce19b90a88b92ca296d224bebbd.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:5076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\9398183dc7939dac6ab4ea086995045996430ce19b90a88b92ca296d224bebbd.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pevpf0ca.b2x.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/444-6-0x0000000005350000-0x00000000053EC000-memory.dmp

    Filesize

    624KB

  • memory/444-3-0x0000000005070000-0x0000000005102000-memory.dmp

    Filesize

    584KB

  • memory/444-4-0x0000000005250000-0x0000000005260000-memory.dmp

    Filesize

    64KB

  • memory/444-5-0x0000000005130000-0x000000000513A000-memory.dmp

    Filesize

    40KB

  • memory/444-2-0x0000000005750000-0x0000000005CF4000-memory.dmp

    Filesize

    5.6MB

  • memory/444-7-0x0000000005220000-0x000000000523A000-memory.dmp

    Filesize

    104KB

  • memory/444-8-0x0000000075360000-0x0000000075B10000-memory.dmp

    Filesize

    7.7MB

  • memory/444-9-0x0000000005250000-0x0000000005260000-memory.dmp

    Filesize

    64KB

  • memory/444-10-0x0000000005240000-0x0000000005250000-memory.dmp

    Filesize

    64KB

  • memory/444-11-0x0000000007D60000-0x0000000007DDC000-memory.dmp

    Filesize

    496KB

  • memory/444-0-0x0000000075360000-0x0000000075B10000-memory.dmp

    Filesize

    7.7MB

  • memory/444-1-0x00000000005E0000-0x00000000006AA000-memory.dmp

    Filesize

    808KB

  • memory/444-15-0x0000000075360000-0x0000000075B10000-memory.dmp

    Filesize

    7.7MB

  • memory/3228-54-0x00000000061A0000-0x00000000061BA000-memory.dmp

    Filesize

    104KB

  • memory/3228-41-0x0000000070FE0000-0x000000007102C000-memory.dmp

    Filesize

    304KB

  • memory/3228-65-0x0000000075360000-0x0000000075B10000-memory.dmp

    Filesize

    7.7MB

  • memory/3228-19-0x00000000021B0000-0x00000000021E6000-memory.dmp

    Filesize

    216KB

  • memory/3228-20-0x0000000075360000-0x0000000075B10000-memory.dmp

    Filesize

    7.7MB

  • memory/3228-21-0x0000000002260000-0x0000000002270000-memory.dmp

    Filesize

    64KB

  • memory/3228-23-0x0000000002260000-0x0000000002270000-memory.dmp

    Filesize

    64KB

  • memory/3228-22-0x0000000004E80000-0x00000000054A8000-memory.dmp

    Filesize

    6.2MB

  • memory/3228-24-0x0000000004C10000-0x0000000004C32000-memory.dmp

    Filesize

    136KB

  • memory/3228-25-0x0000000004CB0000-0x0000000004D16000-memory.dmp

    Filesize

    408KB

  • memory/3228-62-0x0000000007120000-0x0000000007128000-memory.dmp

    Filesize

    32KB

  • memory/3228-31-0x00000000054F0000-0x0000000005844000-memory.dmp

    Filesize

    3.3MB

  • memory/3228-36-0x0000000005AE0000-0x0000000005AFE000-memory.dmp

    Filesize

    120KB

  • memory/3228-37-0x0000000005BA0000-0x0000000005BEC000-memory.dmp

    Filesize

    304KB

  • memory/3228-38-0x0000000002260000-0x0000000002270000-memory.dmp

    Filesize

    64KB

  • memory/3228-39-0x000000007EE60000-0x000000007EE70000-memory.dmp

    Filesize

    64KB

  • memory/3228-40-0x00000000060D0000-0x0000000006102000-memory.dmp

    Filesize

    200KB

  • memory/3228-61-0x0000000007140000-0x000000000715A000-memory.dmp

    Filesize

    104KB

  • memory/3228-51-0x0000000006090000-0x00000000060AE000-memory.dmp

    Filesize

    120KB

  • memory/3228-52-0x0000000006D70000-0x0000000006E13000-memory.dmp

    Filesize

    652KB

  • memory/3228-53-0x00000000074A0000-0x0000000007B1A000-memory.dmp

    Filesize

    6.5MB

  • memory/3228-60-0x0000000007040000-0x0000000007054000-memory.dmp

    Filesize

    80KB

  • memory/3228-55-0x0000000006E70000-0x0000000006E7A000-memory.dmp

    Filesize

    40KB

  • memory/3228-59-0x0000000007030000-0x000000000703E000-memory.dmp

    Filesize

    56KB

  • memory/3228-57-0x0000000007080000-0x0000000007116000-memory.dmp

    Filesize

    600KB

  • memory/3228-58-0x0000000007000000-0x0000000007011000-memory.dmp

    Filesize

    68KB

  • memory/5076-56-0x0000000006640000-0x0000000006690000-memory.dmp

    Filesize

    320KB

  • memory/5076-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/5076-17-0x0000000005030000-0x0000000005040000-memory.dmp

    Filesize

    64KB

  • memory/5076-16-0x0000000075360000-0x0000000075B10000-memory.dmp

    Filesize

    7.7MB

  • memory/5076-18-0x0000000004F70000-0x0000000004FD6000-memory.dmp

    Filesize

    408KB

  • memory/5076-66-0x0000000075360000-0x0000000075B10000-memory.dmp

    Filesize

    7.7MB

  • memory/5076-67-0x0000000005030000-0x0000000005040000-memory.dmp

    Filesize

    64KB