Analysis

  • max time kernel
    151s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 01:04

General

  • Target

    Commerce registration-172301539 + Pro-Forma Invoice.exe

  • Size

    857KB

  • MD5

    64baca6856ba84fe379eb4d720859edc

  • SHA1

    a234caa5425fcbc4e783dd00722156e533bd6def

  • SHA256

    ab3eb849490834407657e205832591cfa3c3504ed9373bf53396015d62b9e549

  • SHA512

    53449f2ed2e397adadb3a48d561c864734961c40392c2f8f3a8ed6c84afd6db8008fc633405a065cc07a51f8396015f7bb8b3b7c1c4cb8aecbbc1a588b5d53db

  • SSDEEP

    12288:DO5nF8pREGHTbSGWJ7Usocar3S6KMvbPt1w6+BIe4+YnKc5lCzXwPH2gYDMID:Km39s2LwMzPtNPLPe8H6MI

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.issltd.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    iss123

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.

  • 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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Commerce registration-172301539 + Pro-Forma Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\Commerce registration-172301539 + Pro-Forma Invoice.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4736
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sAyncmK.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2504
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sAyncmK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD77F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3112
    • C:\Users\Admin\AppData\Local\Temp\Commerce registration-172301539 + Pro-Forma Invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\Commerce registration-172301539 + Pro-Forma Invoice.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3532

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Commerce registration-172301539 + Pro-Forma Invoice.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mtuvb1yk.04e.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpD77F.tmp

    Filesize

    1KB

    MD5

    d3c77177e30b0f6c7bbc9dd8e34cd437

    SHA1

    c061837b23b74c33b81436656376f2743ec06f1e

    SHA256

    564dc7570e52b8a6a6ca6df565e644f0bd8ca4186fbaba5dd35244d16429ed6b

    SHA512

    60eba311501365c1694cf2077acc508550468d03b335db31a778a566785cc18d79a63cfa8a37587bbadb4ce10c8f40639f20a44cb7b3b5ffec3c0c69a695ee77

  • memory/2504-18-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/2504-20-0x00000000048A0000-0x00000000048B0000-memory.dmp

    Filesize

    64KB

  • memory/2504-65-0x0000000007330000-0x000000000733E000-memory.dmp

    Filesize

    56KB

  • memory/2504-64-0x0000000007300000-0x0000000007311000-memory.dmp

    Filesize

    68KB

  • memory/2504-63-0x0000000007380000-0x0000000007416000-memory.dmp

    Filesize

    600KB

  • memory/2504-61-0x0000000007150000-0x000000000715A000-memory.dmp

    Filesize

    40KB

  • memory/2504-60-0x00000000070E0000-0x00000000070FA000-memory.dmp

    Filesize

    104KB

  • memory/2504-59-0x0000000007720000-0x0000000007D9A000-memory.dmp

    Filesize

    6.5MB

  • memory/2504-58-0x0000000006FA0000-0x0000000007043000-memory.dmp

    Filesize

    652KB

  • memory/2504-57-0x0000000006380000-0x000000000639E000-memory.dmp

    Filesize

    120KB

  • memory/2504-17-0x00000000047E0000-0x0000000004816000-memory.dmp

    Filesize

    216KB

  • memory/2504-42-0x0000000005DE0000-0x0000000005DFE000-memory.dmp

    Filesize

    120KB

  • memory/2504-67-0x0000000007440000-0x000000000745A000-memory.dmp

    Filesize

    104KB

  • memory/2504-66-0x0000000007340000-0x0000000007354000-memory.dmp

    Filesize

    80KB

  • memory/2504-21-0x00000000048A0000-0x00000000048B0000-memory.dmp

    Filesize

    64KB

  • memory/2504-47-0x00000000705A0000-0x00000000705EC000-memory.dmp

    Filesize

    304KB

  • memory/2504-22-0x0000000004EE0000-0x0000000005508000-memory.dmp

    Filesize

    6.2MB

  • memory/2504-68-0x0000000007420000-0x0000000007428000-memory.dmp

    Filesize

    32KB

  • memory/2504-46-0x00000000063A0000-0x00000000063D2000-memory.dmp

    Filesize

    200KB

  • memory/2504-45-0x000000007FB10000-0x000000007FB20000-memory.dmp

    Filesize

    64KB

  • memory/2504-29-0x0000000005540000-0x0000000005562000-memory.dmp

    Filesize

    136KB

  • memory/2504-44-0x00000000048A0000-0x00000000048B0000-memory.dmp

    Filesize

    64KB

  • memory/2504-43-0x0000000005E10000-0x0000000005E5C000-memory.dmp

    Filesize

    304KB

  • memory/2504-31-0x00000000056E0000-0x0000000005746000-memory.dmp

    Filesize

    408KB

  • memory/2504-71-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/2504-41-0x00000000057C0000-0x0000000005B14000-memory.dmp

    Filesize

    3.3MB

  • memory/3532-28-0x0000000004F40000-0x0000000004F50000-memory.dmp

    Filesize

    64KB

  • memory/3532-62-0x0000000006700000-0x0000000006750000-memory.dmp

    Filesize

    320KB

  • memory/3532-73-0x0000000004F40000-0x0000000004F50000-memory.dmp

    Filesize

    64KB

  • memory/3532-72-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/3532-26-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/3532-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3532-30-0x0000000005050000-0x00000000050B6000-memory.dmp

    Filesize

    408KB

  • memory/4736-16-0x00000000055C0000-0x00000000055D0000-memory.dmp

    Filesize

    64KB

  • memory/4736-5-0x0000000005430000-0x000000000543A000-memory.dmp

    Filesize

    40KB

  • memory/4736-9-0x0000000006C40000-0x0000000006CCE000-memory.dmp

    Filesize

    568KB

  • memory/4736-8-0x00000000057A0000-0x00000000057AA000-memory.dmp

    Filesize

    40KB

  • memory/4736-11-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/4736-7-0x0000000005790000-0x0000000005798000-memory.dmp

    Filesize

    32KB

  • memory/4736-6-0x0000000005770000-0x0000000005788000-memory.dmp

    Filesize

    96KB

  • memory/4736-10-0x00000000068E0000-0x000000000697C000-memory.dmp

    Filesize

    624KB

  • memory/4736-4-0x00000000055C0000-0x00000000055D0000-memory.dmp

    Filesize

    64KB

  • memory/4736-3-0x0000000005480000-0x0000000005512000-memory.dmp

    Filesize

    584KB

  • memory/4736-2-0x0000000005990000-0x0000000005F34000-memory.dmp

    Filesize

    5.6MB

  • memory/4736-1-0x0000000000950000-0x0000000000A2C000-memory.dmp

    Filesize

    880KB

  • memory/4736-27-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB

  • memory/4736-0-0x0000000074960000-0x0000000075110000-memory.dmp

    Filesize

    7.7MB