Analysis

  • max time kernel
    145s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2023 20:08

General

  • Target

    LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe

  • Size

    618KB

  • MD5

    ef83aecc2603e9cbf458c502bff0655c

  • SHA1

    b847e6b115ce83f0622e0d4e1f370b8f42da2f80

  • SHA256

    2b486ce27109e1922e7b1623b94178813248820c46b8cee889af078ae9f4ba54

  • SHA512

    7d3bedc4e1af1e2db66fd5e7dba46247e11c172eb3bb4d5ae914ce68d85f6b9b7bba1980301209725f375a7a23b825422ba64f055104ec1085470e70063310e0

  • SSDEEP

    12288:upEmQepZMSTtH4jbP6stFRklnzTUt0hjMyOH5z9meo8mVzLcsmMaZK:upECtH4v6yGzrInR9wfzldR

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Detect ZGRat V1 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe
    "C:\Users\Admin\AppData\Local\Temp\LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3764
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oCHVJGSwfhuI.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3788
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oCHVJGSwfhuI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B77.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4916
    • C:\Users\Admin\AppData\Local\Temp\LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe
      "C:\Users\Admin\AppData\Local\Temp\LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4824
  • C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
    1⤵
      PID:2636
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k UnistackSvcGroup
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4288

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\LATE INVOICES CFA0583574 - CFA0585218 - CFA0585654 - 3ALY002488.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_idx3jrjb.i2s.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp8B77.tmp

      Filesize

      1KB

      MD5

      30363c71974d76dcb6ee0f3d9c5e477b

      SHA1

      52e2b9482801858be2862124a8cb63c051f0c62c

      SHA256

      3e599c3e1313e6b6495b7df74ad292f4bf030bdf407d681188f52b6ceba12db9

      SHA512

      9bd2052ac5f0cd92b76a9e88dd4a9d244ea84b92d4734713bf6e2e3368a7a472504a456c9d6267b1b8aa630cc89a4ce5c5e900eeb3097f9d30dc7b10c906f582

    • memory/3764-4-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

      Filesize

      64KB

    • memory/3764-10-0x0000000001980000-0x00000000019FA000-memory.dmp

      Filesize

      488KB

    • memory/3764-5-0x00000000058B0000-0x00000000058BA000-memory.dmp

      Filesize

      40KB

    • memory/3764-6-0x0000000005B90000-0x0000000005C2C000-memory.dmp

      Filesize

      624KB

    • memory/3764-7-0x0000000005B30000-0x0000000005B48000-memory.dmp

      Filesize

      96KB

    • memory/3764-8-0x0000000005AD0000-0x0000000005AD8000-memory.dmp

      Filesize

      32KB

    • memory/3764-9-0x0000000005DC0000-0x0000000005DCA000-memory.dmp

      Filesize

      40KB

    • memory/3764-3-0x0000000005920000-0x00000000059B2000-memory.dmp

      Filesize

      584KB

    • memory/3764-1-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3764-2-0x0000000005ED0000-0x0000000006474000-memory.dmp

      Filesize

      5.6MB

    • memory/3764-24-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3764-25-0x0000000005AE0000-0x0000000005AF0000-memory.dmp

      Filesize

      64KB

    • memory/3764-0-0x0000000000F70000-0x0000000001010000-memory.dmp

      Filesize

      640KB

    • memory/3764-20-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3788-45-0x00000000707B0000-0x00000000707FC000-memory.dmp

      Filesize

      304KB

    • memory/3788-63-0x0000000007770000-0x000000000777E000-memory.dmp

      Filesize

      56KB

    • memory/3788-19-0x00000000054B0000-0x0000000005AD8000-memory.dmp

      Filesize

      6.2MB

    • memory/3788-17-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3788-69-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3788-65-0x0000000007880000-0x000000000789A000-memory.dmp

      Filesize

      104KB

    • memory/3788-18-0x0000000004E70000-0x0000000004E80000-memory.dmp

      Filesize

      64KB

    • memory/3788-28-0x0000000005470000-0x0000000005492000-memory.dmp

      Filesize

      136KB

    • memory/3788-35-0x0000000005B80000-0x0000000005BE6000-memory.dmp

      Filesize

      408KB

    • memory/3788-66-0x0000000007860000-0x0000000007868000-memory.dmp

      Filesize

      32KB

    • memory/3788-40-0x0000000005D60000-0x00000000060B4000-memory.dmp

      Filesize

      3.3MB

    • memory/3788-41-0x0000000006200000-0x000000000621E000-memory.dmp

      Filesize

      120KB

    • memory/3788-42-0x00000000062C0000-0x000000000630C000-memory.dmp

      Filesize

      304KB

    • memory/3788-44-0x00000000073E0000-0x0000000007412000-memory.dmp

      Filesize

      200KB

    • memory/3788-56-0x0000000004E70000-0x0000000004E80000-memory.dmp

      Filesize

      64KB

    • memory/3788-57-0x0000000007420000-0x00000000074C3000-memory.dmp

      Filesize

      652KB

    • memory/3788-55-0x00000000067D0000-0x00000000067EE000-memory.dmp

      Filesize

      120KB

    • memory/3788-15-0x00000000028E0000-0x0000000002916000-memory.dmp

      Filesize

      216KB

    • memory/3788-59-0x0000000007540000-0x000000000755A000-memory.dmp

      Filesize

      104KB

    • memory/3788-58-0x0000000007B80000-0x00000000081FA000-memory.dmp

      Filesize

      6.5MB

    • memory/3788-43-0x000000007F7A0000-0x000000007F7B0000-memory.dmp

      Filesize

      64KB

    • memory/3788-60-0x00000000075B0000-0x00000000075BA000-memory.dmp

      Filesize

      40KB

    • memory/3788-61-0x00000000077C0000-0x0000000007856000-memory.dmp

      Filesize

      600KB

    • memory/3788-62-0x0000000007740000-0x0000000007751000-memory.dmp

      Filesize

      68KB

    • memory/3788-64-0x0000000007780000-0x0000000007794000-memory.dmp

      Filesize

      80KB

    • memory/4288-110-0x000001E9F7480000-0x000001E9F7481000-memory.dmp

      Filesize

      4KB

    • memory/4288-119-0x000001E9F70A0000-0x000001E9F70A1000-memory.dmp

      Filesize

      4KB

    • memory/4288-141-0x000001E9F72F0000-0x000001E9F72F1000-memory.dmp

      Filesize

      4KB

    • memory/4288-140-0x000001E9F71E0000-0x000001E9F71E1000-memory.dmp

      Filesize

      4KB

    • memory/4288-111-0x000001E9F7480000-0x000001E9F7481000-memory.dmp

      Filesize

      4KB

    • memory/4288-139-0x000001E9F71E0000-0x000001E9F71E1000-memory.dmp

      Filesize

      4KB

    • memory/4288-137-0x000001E9F71D0000-0x000001E9F71D1000-memory.dmp

      Filesize

      4KB

    • memory/4288-73-0x000001E9EED60000-0x000001E9EED70000-memory.dmp

      Filesize

      64KB

    • memory/4288-89-0x000001E9EEE60000-0x000001E9EEE70000-memory.dmp

      Filesize

      64KB

    • memory/4288-105-0x000001E9F7450000-0x000001E9F7451000-memory.dmp

      Filesize

      4KB

    • memory/4288-106-0x000001E9F7480000-0x000001E9F7481000-memory.dmp

      Filesize

      4KB

    • memory/4288-112-0x000001E9F7480000-0x000001E9F7481000-memory.dmp

      Filesize

      4KB

    • memory/4288-108-0x000001E9F7480000-0x000001E9F7481000-memory.dmp

      Filesize

      4KB

    • memory/4288-109-0x000001E9F7480000-0x000001E9F7481000-memory.dmp

      Filesize

      4KB

    • memory/4288-125-0x000001E9F6FD0000-0x000001E9F6FD1000-memory.dmp

      Filesize

      4KB

    • memory/4288-122-0x000001E9F7090000-0x000001E9F7091000-memory.dmp

      Filesize

      4KB

    • memory/4288-107-0x000001E9F7480000-0x000001E9F7481000-memory.dmp

      Filesize

      4KB

    • memory/4288-113-0x000001E9F7480000-0x000001E9F7481000-memory.dmp

      Filesize

      4KB

    • memory/4288-114-0x000001E9F7480000-0x000001E9F7481000-memory.dmp

      Filesize

      4KB

    • memory/4288-115-0x000001E9F7480000-0x000001E9F7481000-memory.dmp

      Filesize

      4KB

    • memory/4288-116-0x000001E9F70A0000-0x000001E9F70A1000-memory.dmp

      Filesize

      4KB

    • memory/4288-117-0x000001E9F7090000-0x000001E9F7091000-memory.dmp

      Filesize

      4KB

    • memory/4824-29-0x00000000054F0000-0x0000000005500000-memory.dmp

      Filesize

      64KB

    • memory/4824-70-0x00000000064F0000-0x0000000006540000-memory.dmp

      Filesize

      320KB

    • memory/4824-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4824-72-0x00000000054F0000-0x0000000005500000-memory.dmp

      Filesize

      64KB

    • memory/4824-71-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4824-26-0x0000000005700000-0x0000000005766000-memory.dmp

      Filesize

      408KB

    • memory/4824-27-0x0000000074B30000-0x00000000752E0000-memory.dmp

      Filesize

      7.7MB