Analysis

  • max time kernel
    140s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-12-2023 01:22

General

  • Target

    c5be8215f63e6f135915fa6f2bc5503d53c57cd9b58d7fefd5e32b1dbc93b18a.exe

  • Size

    661KB

  • MD5

    aabe461f3a4be6041b990be78a217efd

  • SHA1

    cd98cee32161731b530ebf03e135776d0e2dcde1

  • SHA256

    c5be8215f63e6f135915fa6f2bc5503d53c57cd9b58d7fefd5e32b1dbc93b18a

  • SHA512

    8265b7bd95b7f8bb4143b4190a34f35e57361d790229e3c37b569b4cc35dec3b0baa489c5c3e5d2e1b5d5834a70d870d4380e84139918bfbeb47e0428a114ef6

  • SSDEEP

    12288:vhkZ59oJhtSu/rNXIqG4CguW3fspbDpP7WnaO4r7TeMTwmOCAQJ9HS:vK/2TtTJdObs6ZEmvAk

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.abi0expertise.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    xiuYxQ5Qjvvo

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.

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c5be8215f63e6f135915fa6f2bc5503d53c57cd9b58d7fefd5e32b1dbc93b18a.exe
    "C:\Users\Admin\AppData\Local\Temp\c5be8215f63e6f135915fa6f2bc5503d53c57cd9b58d7fefd5e32b1dbc93b18a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4180
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pmtunpXBQFRgOe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2408
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pmtunpXBQFRgOe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8359.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3552
    • C:\Users\Admin\AppData\Local\Temp\c5be8215f63e6f135915fa6f2bc5503d53c57cd9b58d7fefd5e32b1dbc93b18a.exe
      "C:\Users\Admin\AppData\Local\Temp\c5be8215f63e6f135915fa6f2bc5503d53c57cd9b58d7fefd5e32b1dbc93b18a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3876

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wg2pc10d.eux.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp8359.tmp
    Filesize

    1KB

    MD5

    38b25a6f604c494d42cd091391e8a066

    SHA1

    640512da1f0c92dcf3b3f87f874a039b9d282b92

    SHA256

    87cfc5c3923795664cf5bafa3dc500044e4f29594deaf52efaf34a71c5dad5e0

    SHA512

    a55a52e9aadb5eb6bc26aaa33dbcfd87eb04fd9204252337715ec936e09c0645910e1bdd7ff4e40ba813f9526e7bdf52f47ba2c55ed29bcfd20e9ae2a9cc7f83

  • memory/2408-58-0x0000000002810000-0x0000000002820000-memory.dmp
    Filesize

    64KB

  • memory/2408-61-0x0000000007530000-0x000000000754A000-memory.dmp
    Filesize

    104KB

  • memory/2408-72-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/2408-69-0x0000000007850000-0x0000000007858000-memory.dmp
    Filesize

    32KB

  • memory/2408-67-0x0000000007870000-0x000000000788A000-memory.dmp
    Filesize

    104KB

  • memory/2408-66-0x0000000007770000-0x0000000007784000-memory.dmp
    Filesize

    80KB

  • memory/2408-39-0x0000000005BC0000-0x0000000005C26000-memory.dmp
    Filesize

    408KB

  • memory/2408-65-0x0000000007760000-0x000000000776E000-memory.dmp
    Filesize

    56KB

  • memory/2408-64-0x0000000007730000-0x0000000007741000-memory.dmp
    Filesize

    68KB

  • memory/2408-63-0x00000000077B0000-0x0000000007846000-memory.dmp
    Filesize

    600KB

  • memory/2408-16-0x00000000028F0000-0x0000000002926000-memory.dmp
    Filesize

    216KB

  • memory/2408-41-0x0000000005E00000-0x0000000006154000-memory.dmp
    Filesize

    3.3MB

  • memory/2408-62-0x00000000075A0000-0x00000000075AA000-memory.dmp
    Filesize

    40KB

  • memory/2408-20-0x0000000005330000-0x0000000005958000-memory.dmp
    Filesize

    6.2MB

  • memory/2408-19-0x0000000002810000-0x0000000002820000-memory.dmp
    Filesize

    64KB

  • memory/2408-60-0x0000000007B70000-0x00000000081EA000-memory.dmp
    Filesize

    6.5MB

  • memory/2408-23-0x0000000002810000-0x0000000002820000-memory.dmp
    Filesize

    64KB

  • memory/2408-59-0x00000000073F0000-0x0000000007493000-memory.dmp
    Filesize

    652KB

  • memory/2408-21-0x0000000005260000-0x0000000005282000-memory.dmp
    Filesize

    136KB

  • memory/2408-25-0x0000000005B50000-0x0000000005BB6000-memory.dmp
    Filesize

    408KB

  • memory/2408-56-0x0000000006810000-0x000000000682E000-memory.dmp
    Filesize

    120KB

  • memory/2408-57-0x0000000002810000-0x0000000002820000-memory.dmp
    Filesize

    64KB

  • memory/2408-46-0x0000000072DB0000-0x0000000072DFC000-memory.dmp
    Filesize

    304KB

  • memory/2408-45-0x00000000067D0000-0x0000000006802000-memory.dmp
    Filesize

    200KB

  • memory/2408-44-0x000000007EEF0000-0x000000007EF00000-memory.dmp
    Filesize

    64KB

  • memory/2408-43-0x00000000062A0000-0x00000000062EC000-memory.dmp
    Filesize

    304KB

  • memory/2408-17-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/2408-42-0x0000000006200000-0x000000000621E000-memory.dmp
    Filesize

    120KB

  • memory/3876-74-0x0000000005830000-0x0000000005840000-memory.dmp
    Filesize

    64KB

  • memory/3876-73-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/3876-68-0x0000000006790000-0x00000000067E0000-memory.dmp
    Filesize

    320KB

  • memory/3876-37-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/3876-24-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/3876-40-0x0000000005830000-0x0000000005840000-memory.dmp
    Filesize

    64KB

  • memory/4180-27-0x0000000005640000-0x0000000005650000-memory.dmp
    Filesize

    64KB

  • memory/4180-9-0x0000000006100000-0x000000000610A000-memory.dmp
    Filesize

    40KB

  • memory/4180-22-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/4180-1-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/4180-8-0x00000000060F0000-0x00000000060F8000-memory.dmp
    Filesize

    32KB

  • memory/4180-38-0x0000000074F70000-0x0000000075720000-memory.dmp
    Filesize

    7.7MB

  • memory/4180-10-0x0000000006E10000-0x0000000006E8E000-memory.dmp
    Filesize

    504KB

  • memory/4180-11-0x0000000009450000-0x00000000094EC000-memory.dmp
    Filesize

    624KB

  • memory/4180-7-0x00000000060B0000-0x00000000060CA000-memory.dmp
    Filesize

    104KB

  • memory/4180-6-0x00000000054B0000-0x00000000054BA000-memory.dmp
    Filesize

    40KB

  • memory/4180-5-0x0000000005640000-0x0000000005650000-memory.dmp
    Filesize

    64KB

  • memory/4180-0-0x00000000009F0000-0x0000000000A9C000-memory.dmp
    Filesize

    688KB

  • memory/4180-4-0x0000000005650000-0x00000000059A4000-memory.dmp
    Filesize

    3.3MB

  • memory/4180-2-0x0000000005A90000-0x0000000006034000-memory.dmp
    Filesize

    5.6MB

  • memory/4180-3-0x00000000054E0000-0x0000000005572000-memory.dmp
    Filesize

    584KB