Analysis

  • max time kernel
    134s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2023 17:19

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.103.32418.exe

  • Size

    896KB

  • MD5

    4d32a5c55202913c93b58d6bdde3ceed

  • SHA1

    cb1179bc185b78f9828a15b779ab65c345b5f370

  • SHA256

    d206e7098a885c65f0b56b34169d9599ce70c09d81439571e3d13f309305142a

  • SHA512

    2a5c952f0e505eef341f1e69cd5d2100ee05f6171330f22352be470350d77571a7ee511e4d48e127893ee03b01353d89b2a7f602ebb717d4c21411b2d5ed1755

  • SSDEEP

    12288:uid+fLgkaGPugBDKSWKGOoirbnhsGpkEukeg28dWkRqhP7ZwPrsx:cvaxkDKS3PrbhskkEuk284OKF0A

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    nne dimma080

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 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.

  • Adds Run key to start application 2 TTPs 1 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.103.32418.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.103.32418.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5108
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aAbJiOYNYm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1828
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aAbJiOYNYm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBB51.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1400
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.103.32418.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.103.32418.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4168

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Win32.PWSX-gen.103.32418.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2cgkah0r.bxm.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpBB51.tmp

    Filesize

    1KB

    MD5

    b95fde74ad2b9c7847f1f7d9d814b211

    SHA1

    0388831f6c09f06369f86bc378d3bea12b801615

    SHA256

    578174d160fbb12dc82e8488d690d40f5cf56f66643ff10cc50f6b5e7ee1d61b

    SHA512

    6a75da3b90a9eb5e6c8a6d03b331591e67fba209670c36afa058f150e926b737863e724359e1c89b12e2d9f077ae5620dd8ed09632ac3f044a5e694ea370b078

  • memory/1828-29-0x00000000053B0000-0x0000000005416000-memory.dmp

    Filesize

    408KB

  • memory/1828-67-0x0000000007200000-0x0000000007214000-memory.dmp

    Filesize

    80KB

  • memory/1828-31-0x0000000005610000-0x0000000005676000-memory.dmp

    Filesize

    408KB

  • memory/1828-72-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/1828-69-0x00000000072E0000-0x00000000072E8000-memory.dmp

    Filesize

    32KB

  • memory/1828-68-0x00000000072F0000-0x000000000730A000-memory.dmp

    Filesize

    104KB

  • memory/1828-66-0x00000000071F0000-0x00000000071FE000-memory.dmp

    Filesize

    56KB

  • memory/1828-65-0x00000000071A0000-0x00000000071B1000-memory.dmp

    Filesize

    68KB

  • memory/1828-15-0x0000000002380000-0x00000000023B6000-memory.dmp

    Filesize

    216KB

  • memory/1828-16-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/1828-64-0x0000000007220000-0x00000000072B6000-memory.dmp

    Filesize

    600KB

  • memory/1828-63-0x0000000007010000-0x000000000701A000-memory.dmp

    Filesize

    40KB

  • memory/1828-19-0x0000000002370000-0x0000000002380000-memory.dmp

    Filesize

    64KB

  • memory/1828-20-0x0000000002370000-0x0000000002380000-memory.dmp

    Filesize

    64KB

  • memory/1828-61-0x0000000006FA0000-0x0000000006FBA000-memory.dmp

    Filesize

    104KB

  • memory/1828-22-0x0000000004D80000-0x00000000053A8000-memory.dmp

    Filesize

    6.2MB

  • memory/1828-60-0x00000000075E0000-0x0000000007C5A000-memory.dmp

    Filesize

    6.5MB

  • memory/1828-59-0x0000000006EA0000-0x0000000006F43000-memory.dmp

    Filesize

    652KB

  • memory/1828-58-0x0000000006250000-0x000000000626E000-memory.dmp

    Filesize

    120KB

  • memory/1828-48-0x0000000070D30000-0x0000000070D7C000-memory.dmp

    Filesize

    304KB

  • memory/1828-28-0x0000000004BA0000-0x0000000004BC2000-memory.dmp

    Filesize

    136KB

  • memory/1828-46-0x000000007FDE0000-0x000000007FDF0000-memory.dmp

    Filesize

    64KB

  • memory/1828-47-0x0000000006E60000-0x0000000006E92000-memory.dmp

    Filesize

    200KB

  • memory/1828-44-0x0000000002370000-0x0000000002380000-memory.dmp

    Filesize

    64KB

  • memory/1828-43-0x0000000005CE0000-0x0000000005D2C000-memory.dmp

    Filesize

    304KB

  • memory/1828-41-0x00000000058D0000-0x0000000005C24000-memory.dmp

    Filesize

    3.3MB

  • memory/1828-42-0x0000000005C90000-0x0000000005CAE000-memory.dmp

    Filesize

    120KB

  • memory/4168-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4168-62-0x00000000061F0000-0x0000000006240000-memory.dmp

    Filesize

    320KB

  • memory/4168-74-0x00000000051C0000-0x00000000051D0000-memory.dmp

    Filesize

    64KB

  • memory/4168-30-0x00000000051C0000-0x00000000051D0000-memory.dmp

    Filesize

    64KB

  • memory/4168-27-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/4168-73-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/5108-0-0x0000000000500000-0x00000000005E6000-memory.dmp

    Filesize

    920KB

  • memory/5108-9-0x0000000006990000-0x0000000006A0E000-memory.dmp

    Filesize

    504KB

  • memory/5108-2-0x00000000054C0000-0x0000000005A64000-memory.dmp

    Filesize

    5.6MB

  • memory/5108-4-0x00000000050E0000-0x00000000050F0000-memory.dmp

    Filesize

    64KB

  • memory/5108-1-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/5108-26-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/5108-10-0x0000000008FF0000-0x000000000908C000-memory.dmp

    Filesize

    624KB

  • memory/5108-25-0x00000000050E0000-0x00000000050F0000-memory.dmp

    Filesize

    64KB

  • memory/5108-17-0x00000000750B0000-0x0000000075860000-memory.dmp

    Filesize

    7.7MB

  • memory/5108-8-0x0000000005380000-0x000000000538A000-memory.dmp

    Filesize

    40KB

  • memory/5108-7-0x0000000005370000-0x0000000005378000-memory.dmp

    Filesize

    32KB

  • memory/5108-6-0x0000000005310000-0x000000000532A000-memory.dmp

    Filesize

    104KB

  • memory/5108-5-0x0000000005050000-0x000000000505A000-memory.dmp

    Filesize

    40KB

  • memory/5108-3-0x0000000004FB0000-0x0000000005042000-memory.dmp

    Filesize

    584KB