Analysis

  • max time kernel
    138s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/05/2023, 20:36

General

  • Target

    4201e877ac2b8a647439434da82534b0ca5fbf7b6b47c127467e08ede45ce3e4.exe

  • Size

    1.1MB

  • MD5

    67600a2cf6e129d8883d76799561df02

  • SHA1

    1fff55f246723c258e03fc2c71e382dbac1ac7c3

  • SHA256

    4201e877ac2b8a647439434da82534b0ca5fbf7b6b47c127467e08ede45ce3e4

  • SHA512

    795e133e4b246441496d569f76d523c5d60f1132558e3d9ff495bd8c19dff22206175d5e4249700f73bb3ff756c5680554b02355d45554c22ddfeb677a1e7aae

  • SSDEEP

    24576:O6GvclP07gBzekCfSbzUSy9VnNiPxhX49dXsMu:LGiP08Bzekty9VNqxhXAFA

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5369838257:AAH0QHFHfBRqr9bqyjTzsODOcSzKccuPJhg/sendDocument

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 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4201e877ac2b8a647439434da82534b0ca5fbf7b6b47c127467e08ede45ce3e4.exe
    "C:\Users\Admin\AppData\Local\Temp\4201e877ac2b8a647439434da82534b0ca5fbf7b6b47c127467e08ede45ce3e4.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4020
    • 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\4201e877ac2b8a647439434da82534b0ca5fbf7b6b47c127467e08ede45ce3e4.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:836
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nVKJHCEm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:560
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nVKJHCEm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9A2D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4632
    • C:\Users\Admin\AppData\Local\Temp\4201e877ac2b8a647439434da82534b0ca5fbf7b6b47c127467e08ede45ce3e4.exe
      "C:\Users\Admin\AppData\Local\Temp\4201e877ac2b8a647439434da82534b0ca5fbf7b6b47c127467e08ede45ce3e4.exe"
      2⤵
        PID:3964
      • C:\Users\Admin\AppData\Local\Temp\4201e877ac2b8a647439434da82534b0ca5fbf7b6b47c127467e08ede45ce3e4.exe
        "C:\Users\Admin\AppData\Local\Temp\4201e877ac2b8a647439434da82534b0ca5fbf7b6b47c127467e08ede45ce3e4.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1744

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4201e877ac2b8a647439434da82534b0ca5fbf7b6b47c127467e08ede45ce3e4.exe.log

      Filesize

      1KB

      MD5

      33d62ef2c354f839a8b2b987e6ee41e7

      SHA1

      d76f64ac411a61f3f232f7f9f7b179bd34042226

      SHA256

      f6a84062cb11ccf802324692c2c4c48543377cf717d98efd5de695ed6d0a97d9

      SHA512

      d68a426b2f4646bb45e2267d60680166a8effb9a461e5a07756ba13a3bdf36b27e6e9777d945d03a62362e6976e92214c53ffc7c4f03ec28d3fcfc9a442c5e3c

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

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      3c13915ea5ca234b207b50282489b139

      SHA1

      336e1eaf9cca7e821e5432d1e77a7cd9e63ca45b

      SHA256

      d78d87998f02ad29dfe4dea6cd5d4e48442c036c64f4152982864dc4fd16034d

      SHA512

      65be928d17a3a9cf7e51c192e63d87607a9b03738564444df0d9ce03d454a54f79693afb4e28ab9ac1dfe48c52cf53c448281489e97d418ed8ca539e3d8d3394

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oyeoymif.qvc.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp9A2D.tmp

      Filesize

      1KB

      MD5

      4584abe2232fe2e678affff50f2b72d5

      SHA1

      bb6db87c8a8b1b315b77ba120e9253712320dfd9

      SHA256

      e6eac4bddaad502ea286fa09859038a103cb71f2276589f5fa66a00b11d3ce87

      SHA512

      6d8fbad22a90526b50d198b53ee6d8b8053dc698449db5a9d4e4fb029a2c550baec437ae6305d725f6ad3cd3fb197d0cff4fef23e5facf8b6a718d97b74712fe

    • memory/560-210-0x0000000007480000-0x0000000007488000-memory.dmp

      Filesize

      32KB

    • memory/560-201-0x00000000077A0000-0x0000000007E1A000-memory.dmp

      Filesize

      6.5MB

    • memory/560-180-0x0000000070A00000-0x0000000070A4C000-memory.dmp

      Filesize

      304KB

    • memory/560-145-0x0000000004F50000-0x0000000005578000-memory.dmp

      Filesize

      6.2MB

    • memory/560-202-0x0000000007160000-0x000000000717A000-memory.dmp

      Filesize

      104KB

    • memory/560-178-0x0000000002440000-0x0000000002450000-memory.dmp

      Filesize

      64KB

    • memory/560-205-0x000000007FD20000-0x000000007FD30000-memory.dmp

      Filesize

      64KB

    • memory/560-147-0x00000000055C0000-0x00000000055E2000-memory.dmp

      Filesize

      136KB

    • memory/560-170-0x0000000002440000-0x0000000002450000-memory.dmp

      Filesize

      64KB

    • memory/560-152-0x0000000002440000-0x0000000002450000-memory.dmp

      Filesize

      64KB

    • memory/836-175-0x00000000062F0000-0x000000000630E000-memory.dmp

      Filesize

      120KB

    • memory/836-207-0x0000000007870000-0x0000000007906000-memory.dmp

      Filesize

      600KB

    • memory/836-151-0x0000000004E00000-0x0000000004E10000-memory.dmp

      Filesize

      64KB

    • memory/836-209-0x0000000007930000-0x000000000794A000-memory.dmp

      Filesize

      104KB

    • memory/836-149-0x0000000004E00000-0x0000000004E10000-memory.dmp

      Filesize

      64KB

    • memory/836-208-0x0000000007820000-0x000000000782E000-memory.dmp

      Filesize

      56KB

    • memory/836-150-0x0000000005C80000-0x0000000005CE6000-memory.dmp

      Filesize

      408KB

    • memory/836-177-0x0000000004E00000-0x0000000004E10000-memory.dmp

      Filesize

      64KB

    • memory/836-148-0x0000000005B10000-0x0000000005B76000-memory.dmp

      Filesize

      408KB

    • memory/836-179-0x00000000068E0000-0x0000000006912000-memory.dmp

      Filesize

      200KB

    • memory/836-181-0x0000000070A00000-0x0000000070A4C000-memory.dmp

      Filesize

      304KB

    • memory/836-200-0x00000000068A0000-0x00000000068BE000-memory.dmp

      Filesize

      120KB

    • memory/836-144-0x0000000004D40000-0x0000000004D76000-memory.dmp

      Filesize

      216KB

    • memory/836-204-0x000000007FD30000-0x000000007FD40000-memory.dmp

      Filesize

      64KB

    • memory/836-203-0x0000000007670000-0x000000000767A000-memory.dmp

      Filesize

      40KB

    • memory/1744-206-0x0000000006A80000-0x0000000006AD0000-memory.dmp

      Filesize

      320KB

    • memory/1744-176-0x00000000057D0000-0x00000000057E0000-memory.dmp

      Filesize

      64KB

    • memory/1744-172-0x0000000000400000-0x000000000043A000-memory.dmp

      Filesize

      232KB

    • memory/1744-219-0x00000000057D0000-0x00000000057E0000-memory.dmp

      Filesize

      64KB

    • memory/4020-138-0x00000000081D0000-0x00000000081E0000-memory.dmp

      Filesize

      64KB

    • memory/4020-139-0x00000000098F0000-0x000000000998C000-memory.dmp

      Filesize

      624KB

    • memory/4020-137-0x00000000081D0000-0x00000000081E0000-memory.dmp

      Filesize

      64KB

    • memory/4020-133-0x0000000000F40000-0x0000000001058000-memory.dmp

      Filesize

      1.1MB

    • memory/4020-136-0x0000000007EF0000-0x0000000007EFA000-memory.dmp

      Filesize

      40KB

    • memory/4020-135-0x0000000007F60000-0x0000000007FF2000-memory.dmp

      Filesize

      584KB

    • memory/4020-134-0x0000000008470000-0x0000000008A14000-memory.dmp

      Filesize

      5.6MB