Analysis

  • max time kernel
    135s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/06/2023, 13:33

General

  • Target

    Urgent request.exe

  • Size

    729KB

  • MD5

    bee864bff5e11ac3fe30b9add4f72d09

  • SHA1

    6ec2a9bfac903b94e498400bd27027c650127866

  • SHA256

    fc54140655e3660dc45f2582c9fa41f4f957b22f86375e7c3ca723d28004d8f2

  • SHA512

    9317e926eba9c949cee551de7deccf13e989abe48c599d4ce415d1b7cbe12089b04ecc67d83be4695cce11abc407a4013c76108f37f87cc1ffd21cdeb4426fa6

  • SSDEEP

    12288:DLPWR28Le0cY+Yg9fb99uGOu04+IGkpuPLdH3VNx7pApciCd0r0qfk:Dr+xL9Rk9HfOkYkpujdH3h7pApcZ0F

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
  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Urgent request.exe
    "C:\Users\Admin\AppData\Local\Temp\Urgent request.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4636
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aseTxonPY.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4284
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aseTxonPY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1FDC.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1636
    • C:\Users\Admin\AppData\Local\Temp\Urgent request.exe
      "C:\Users\Admin\AppData\Local\Temp\Urgent request.exe"
      2⤵
        PID:760
      • C:\Users\Admin\AppData\Local\Temp\Urgent request.exe
        "C:\Users\Admin\AppData\Local\Temp\Urgent request.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:484

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            Filesize

            1KB

            MD5

            33d62ef2c354f839a8b2b987e6ee41e7

            SHA1

            d76f64ac411a61f3f232f7f9f7b179bd34042226

            SHA256

            f6a84062cb11ccf802324692c2c4c48543377cf717d98efd5de695ed6d0a97d9

            SHA512

            d68a426b2f4646bb45e2267d60680166a8effb9a461e5a07756ba13a3bdf36b27e6e9777d945d03a62362e6976e92214c53ffc7c4f03ec28d3fcfc9a442c5e3c

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3p2jpowp.pcg.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\tmp1FDC.tmp

            Filesize

            1KB

            MD5

            f261e1e07738b3a376ec0f9166909caf

            SHA1

            5fbfc8a9b71ca1d135b72fda80afeb5b48a3574e

            SHA256

            cd1a9f2cc35db2a212ad7937900239ac7456786e7f45978d8405afa817cce6ba

            SHA512

            2d57b918ed66bc8932de9d52d2d69956d0aec98bc32c27738aa4db9c0a8ee2c576e0a134c1b54c9346c10d208205575434aea0bb5d9aa42f90784d098e7145c5

          • memory/484-191-0x0000000005160000-0x0000000005170000-memory.dmp

            Filesize

            64KB

          • memory/484-183-0x0000000005FD0000-0x0000000006192000-memory.dmp

            Filesize

            1.8MB

          • memory/484-182-0x0000000005DB0000-0x0000000005E00000-memory.dmp

            Filesize

            320KB

          • memory/484-163-0x0000000005160000-0x0000000005170000-memory.dmp

            Filesize

            64KB

          • memory/484-147-0x0000000000400000-0x0000000000430000-memory.dmp

            Filesize

            192KB

          • memory/4284-162-0x00000000068E0000-0x00000000068FE000-memory.dmp

            Filesize

            120KB

          • memory/4284-186-0x0000000007E20000-0x0000000007E2E000-memory.dmp

            Filesize

            56KB

          • memory/4284-144-0x0000000005370000-0x00000000053A6000-memory.dmp

            Filesize

            216KB

          • memory/4284-188-0x0000000007F10000-0x0000000007F18000-memory.dmp

            Filesize

            32KB

          • memory/4284-150-0x0000000005820000-0x0000000005842000-memory.dmp

            Filesize

            136KB

          • memory/4284-151-0x00000000059C0000-0x0000000005A26000-memory.dmp

            Filesize

            408KB

          • memory/4284-152-0x00000000061B0000-0x0000000006216000-memory.dmp

            Filesize

            408KB

          • memory/4284-146-0x0000000005B80000-0x00000000061A8000-memory.dmp

            Filesize

            6.2MB

          • memory/4284-187-0x0000000007F30000-0x0000000007F4A000-memory.dmp

            Filesize

            104KB

          • memory/4284-184-0x0000000007C50000-0x0000000007C5A000-memory.dmp

            Filesize

            40KB

          • memory/4284-164-0x0000000005540000-0x0000000005550000-memory.dmp

            Filesize

            64KB

          • memory/4284-165-0x0000000005540000-0x0000000005550000-memory.dmp

            Filesize

            64KB

          • memory/4284-166-0x0000000006EA0000-0x0000000006ED2000-memory.dmp

            Filesize

            200KB

          • memory/4284-167-0x0000000070D60000-0x0000000070DAC000-memory.dmp

            Filesize

            304KB

          • memory/4284-177-0x0000000006E80000-0x0000000006E9E000-memory.dmp

            Filesize

            120KB

          • memory/4284-179-0x0000000008220000-0x000000000889A000-memory.dmp

            Filesize

            6.5MB

          • memory/4284-178-0x0000000005540000-0x0000000005550000-memory.dmp

            Filesize

            64KB

          • memory/4284-181-0x000000007F1B0000-0x000000007F1C0000-memory.dmp

            Filesize

            64KB

          • memory/4284-180-0x0000000007BE0000-0x0000000007BFA000-memory.dmp

            Filesize

            104KB

          • memory/4284-185-0x0000000007E60000-0x0000000007EF6000-memory.dmp

            Filesize

            600KB

          • memory/4636-138-0x0000000005430000-0x0000000005440000-memory.dmp

            Filesize

            64KB

          • memory/4636-135-0x0000000005130000-0x00000000051C2000-memory.dmp

            Filesize

            584KB

          • memory/4636-136-0x0000000005430000-0x0000000005440000-memory.dmp

            Filesize

            64KB

          • memory/4636-137-0x0000000005120000-0x000000000512A000-memory.dmp

            Filesize

            40KB

          • memory/4636-133-0x00000000006C0000-0x000000000077C000-memory.dmp

            Filesize

            752KB

          • memory/4636-139-0x0000000006E00000-0x0000000006E9C000-memory.dmp

            Filesize

            624KB

          • memory/4636-134-0x00000000057F0000-0x0000000005D94000-memory.dmp

            Filesize

            5.6MB