Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-03-2024 01:35

General

  • Target

    ab3c9d791a46d3902c96d7466bf7a0caf54b67530539fb8354084c2f2c65ec5c.exe

  • Size

    689KB

  • MD5

    394a6f7ad4b3a294fc14467b3d66cbeb

  • SHA1

    f6b485abae58e65392fa3072e09a1adbd89361fe

  • SHA256

    ab3c9d791a46d3902c96d7466bf7a0caf54b67530539fb8354084c2f2c65ec5c

  • SHA512

    e9b1f26ac5b1c3f0725af99150f6910fa22ca38220b7da4ab80a602cdd0824b3e4d921bfd0da8b156a3455f575f9b2806b12c3ba257c81de74c7af6050d1f87d

  • SSDEEP

    12288:F/K0YOwqOpxjxDh1y2Sok1vSiiW9H7ZxtfBoHVeMP4nYNbjNxfsK:YO7YoogaTU9xt5o13ggHn

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    cp5ua.hyperhost.ua
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@#

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ab3c9d791a46d3902c96d7466bf7a0caf54b67530539fb8354084c2f2c65ec5c.exe
    "C:\Users\Admin\AppData\Local\Temp\ab3c9d791a46d3902c96d7466bf7a0caf54b67530539fb8354084c2f2c65ec5c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Users\Admin\AppData\Local\Temp\ab3c9d791a46d3902c96d7466bf7a0caf54b67530539fb8354084c2f2c65ec5c.exe
      "C:\Users\Admin\AppData\Local\Temp\ab3c9d791a46d3902c96d7466bf7a0caf54b67530539fb8354084c2f2c65ec5c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3800

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ab3c9d791a46d3902c96d7466bf7a0caf54b67530539fb8354084c2f2c65ec5c.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/2172-8-0x0000000006CF0000-0x0000000006D72000-memory.dmp
    Filesize

    520KB

  • memory/2172-3-0x0000000005390000-0x0000000005422000-memory.dmp
    Filesize

    584KB

  • memory/2172-9-0x0000000009350000-0x00000000093EC000-memory.dmp
    Filesize

    624KB

  • memory/2172-1-0x00000000008D0000-0x0000000000982000-memory.dmp
    Filesize

    712KB

  • memory/2172-5-0x0000000005380000-0x000000000538A000-memory.dmp
    Filesize

    40KB

  • memory/2172-6-0x0000000006590000-0x00000000065AA000-memory.dmp
    Filesize

    104KB

  • memory/2172-7-0x0000000006570000-0x000000000657C000-memory.dmp
    Filesize

    48KB

  • memory/2172-0-0x0000000074B50000-0x0000000075300000-memory.dmp
    Filesize

    7.7MB

  • memory/2172-14-0x0000000074B50000-0x0000000075300000-memory.dmp
    Filesize

    7.7MB

  • memory/2172-2-0x0000000005A50000-0x0000000005FF4000-memory.dmp
    Filesize

    5.6MB

  • memory/2172-4-0x00000000055E0000-0x00000000055F0000-memory.dmp
    Filesize

    64KB

  • memory/3800-13-0x0000000074B50000-0x0000000075300000-memory.dmp
    Filesize

    7.7MB

  • memory/3800-19-0x00000000052A0000-0x00000000052B0000-memory.dmp
    Filesize

    64KB

  • memory/3800-15-0x00000000052A0000-0x00000000052B0000-memory.dmp
    Filesize

    64KB

  • memory/3800-16-0x0000000005430000-0x0000000005496000-memory.dmp
    Filesize

    408KB

  • memory/3800-17-0x0000000006240000-0x0000000006290000-memory.dmp
    Filesize

    320KB

  • memory/3800-18-0x0000000074B50000-0x0000000075300000-memory.dmp
    Filesize

    7.7MB

  • memory/3800-10-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB