Analysis

  • max time kernel
    90s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/05/2023, 01:57

General

  • Target

    52f7df04cb306719eead0d602947612f3b909ef4fba8029af064891882ff4048.exe

  • Size

    672KB

  • MD5

    c60b9db545c718ad3d65325523ea0bb8

  • SHA1

    1a46506a85efcd0f94bdb1e9101712d2cc32bc0b

  • SHA256

    52f7df04cb306719eead0d602947612f3b909ef4fba8029af064891882ff4048

  • SHA512

    92f13f4bb59c396010cc518e875439b28c45bb34a35c2fd955332614be9e4409e2b81ab7a42f3370457d853e38acb33304789c1e9fe3529c72f8f69bc1a7673d

  • SSDEEP

    12288:56fLHuqbgStGg2LgBskzNKDTS+wsnvZ0JfFYqohMw2aupY+JCw:56fru9LObzNKDTdbmJdzHwD2Yy

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5798024834:AAGLHTcPdLDij7ehMoasiBZDz8oodefEy0E/

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
  • 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 WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\52f7df04cb306719eead0d602947612f3b909ef4fba8029af064891882ff4048.exe
    "C:\Users\Admin\AppData\Local\Temp\52f7df04cb306719eead0d602947612f3b909ef4fba8029af064891882ff4048.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1384
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jfFqubWn.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4652
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jfFqubWn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp879F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4712
    • C:\Users\Admin\AppData\Local\Temp\52f7df04cb306719eead0d602947612f3b909ef4fba8029af064891882ff4048.exe
      "C:\Users\Admin\AppData\Local\Temp\52f7df04cb306719eead0d602947612f3b909ef4fba8029af064891882ff4048.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:5108

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\52f7df04cb306719eead0d602947612f3b909ef4fba8029af064891882ff4048.exe.log

    Filesize

    1KB

    MD5

    33d62ef2c354f839a8b2b987e6ee41e7

    SHA1

    d76f64ac411a61f3f232f7f9f7b179bd34042226

    SHA256

    f6a84062cb11ccf802324692c2c4c48543377cf717d98efd5de695ed6d0a97d9

    SHA512

    d68a426b2f4646bb45e2267d60680166a8effb9a461e5a07756ba13a3bdf36b27e6e9777d945d03a62362e6976e92214c53ffc7c4f03ec28d3fcfc9a442c5e3c

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ydwcrwm2.dkd.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp879F.tmp

    Filesize

    1KB

    MD5

    841e69adc13dae36f1e91433e7049358

    SHA1

    b4b299e1a289b4fb97cf6ce8c1afe52de5d47562

    SHA256

    5c06bb7747a63a12b47bf9cba8933f2c0f4c1bc44421302c1442f95e4f32cb2a

    SHA512

    ac2faaf280f7785c5bb85063fb6a16bb1205de9c5ead19aa16db3d1b351eccd05998ea3ab53b63b4b3830f614b6a12a1c6d3459dca17c0c9c30e9a980ca94519

  • memory/1384-134-0x0000000005FE0000-0x0000000006584000-memory.dmp

    Filesize

    5.6MB

  • memory/1384-135-0x0000000005970000-0x0000000005A02000-memory.dmp

    Filesize

    584KB

  • memory/1384-136-0x0000000005B40000-0x0000000005B4A000-memory.dmp

    Filesize

    40KB

  • memory/1384-137-0x0000000005940000-0x0000000005950000-memory.dmp

    Filesize

    64KB

  • memory/1384-138-0x0000000005940000-0x0000000005950000-memory.dmp

    Filesize

    64KB

  • memory/1384-139-0x0000000008D00000-0x0000000008D9C000-memory.dmp

    Filesize

    624KB

  • memory/1384-133-0x0000000000F20000-0x0000000000FCE000-memory.dmp

    Filesize

    696KB

  • memory/4652-179-0x0000000007B50000-0x00000000081CA000-memory.dmp

    Filesize

    6.5MB

  • memory/4652-181-0x000000007F130000-0x000000007F140000-memory.dmp

    Filesize

    64KB

  • memory/4652-150-0x00000000051B0000-0x00000000051D2000-memory.dmp

    Filesize

    136KB

  • memory/4652-151-0x0000000005260000-0x00000000052C6000-memory.dmp

    Filesize

    408KB

  • memory/4652-152-0x0000000005920000-0x0000000005986000-memory.dmp

    Filesize

    408KB

  • memory/4652-146-0x00000000052F0000-0x0000000005918000-memory.dmp

    Filesize

    6.2MB

  • memory/4652-187-0x0000000007830000-0x0000000007838000-memory.dmp

    Filesize

    32KB

  • memory/4652-163-0x0000000004CB0000-0x0000000004CC0000-memory.dmp

    Filesize

    64KB

  • memory/4652-164-0x0000000004CB0000-0x0000000004CC0000-memory.dmp

    Filesize

    64KB

  • memory/4652-165-0x0000000006230000-0x000000000624E000-memory.dmp

    Filesize

    120KB

  • memory/4652-166-0x0000000004CB0000-0x0000000004CC0000-memory.dmp

    Filesize

    64KB

  • memory/4652-167-0x00000000067E0000-0x0000000006812000-memory.dmp

    Filesize

    200KB

  • memory/4652-168-0x0000000070800000-0x000000007084C000-memory.dmp

    Filesize

    304KB

  • memory/4652-178-0x00000000067C0000-0x00000000067DE000-memory.dmp

    Filesize

    120KB

  • memory/4652-144-0x0000000004BB0000-0x0000000004BE6000-memory.dmp

    Filesize

    216KB

  • memory/4652-180-0x0000000007510000-0x000000000752A000-memory.dmp

    Filesize

    104KB

  • memory/4652-186-0x0000000007850000-0x000000000786A000-memory.dmp

    Filesize

    104KB

  • memory/4652-182-0x0000000007580000-0x000000000758A000-memory.dmp

    Filesize

    40KB

  • memory/4652-183-0x0000000007790000-0x0000000007826000-memory.dmp

    Filesize

    600KB

  • memory/4652-185-0x0000000007740000-0x000000000774E000-memory.dmp

    Filesize

    56KB

  • memory/5108-184-0x0000000006560000-0x00000000065B0000-memory.dmp

    Filesize

    320KB

  • memory/5108-147-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/5108-162-0x00000000054B0000-0x00000000054C0000-memory.dmp

    Filesize

    64KB

  • memory/5108-190-0x00000000054B0000-0x00000000054C0000-memory.dmp

    Filesize

    64KB