Analysis

  • max time kernel
    124s
  • max time network
    164s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    21-10-2021 04:08

General

  • Target

    SWIFT ADVISE 230984.exe

  • Size

    760KB

  • MD5

    8a3cd25d5fe430df7212ffaedc5f509a

  • SHA1

    5834a19151873096125a95a891144d284f049e72

  • SHA256

    2941306e0f9d54ab959d9f1e55795d917a9d9a271d6f04d30833bcd288b265fe

  • SHA512

    b10ef6c5577483e734b5a4cc1e3935cbc43c58b29b7627d1348309555fce81211cbd5efd587d057156139ae3f440563dba928c4077a1bfc95f6fc6efe99309d8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vivaldi.net
  • Port:
    587
  • Username:
    holyghost007@vivaldi.net
  • Password:
    K@maR1-2019Hotelss

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SWIFT ADVISE 230984.exe
    "C:\Users\Admin\AppData\Local\Temp\SWIFT ADVISE 230984.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2500
    • C:\Users\Admin\AppData\Local\Temp\SWIFT ADVISE 230984.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:376

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SWIFT ADVISE 230984.exe.log
    MD5

    5b50852bf977f644bcd5997b7b5883c1

    SHA1

    8b53694b796620422b366dc5b8dbb3ce3060473c

    SHA256

    667bc8c8d53eddf6355877344b669db4fb9762e6320afc7316c3786213a254a9

    SHA512

    7e794fa7de5eca585000ef840ca821f36205d25b389747339d8b8d58b1ef3cd16306e62288f86027cbe6a76eeccc9dc7634a11c94ba551f3ce42ee874fac712d

  • memory/376-126-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/376-135-0x0000000005A40000-0x0000000005A41000-memory.dmp
    Filesize

    4KB

  • memory/376-134-0x0000000004F10000-0x0000000004F11000-memory.dmp
    Filesize

    4KB

  • memory/376-133-0x0000000004DC0000-0x00000000052BE000-memory.dmp
    Filesize

    5.0MB

  • memory/376-127-0x00000000004375AE-mapping.dmp
  • memory/2500-120-0x0000000002D40000-0x0000000002D41000-memory.dmp
    Filesize

    4KB

  • memory/2500-123-0x0000000005B60000-0x0000000005B6E000-memory.dmp
    Filesize

    56KB

  • memory/2500-124-0x0000000009210000-0x0000000009285000-memory.dmp
    Filesize

    468KB

  • memory/2500-125-0x000000000BA40000-0x000000000BA78000-memory.dmp
    Filesize

    224KB

  • memory/2500-122-0x0000000005A50000-0x0000000005A51000-memory.dmp
    Filesize

    4KB

  • memory/2500-121-0x0000000005800000-0x0000000005801000-memory.dmp
    Filesize

    4KB

  • memory/2500-115-0x0000000000AE0000-0x0000000000AE1000-memory.dmp
    Filesize

    4KB

  • memory/2500-119-0x0000000005890000-0x0000000005891000-memory.dmp
    Filesize

    4KB

  • memory/2500-118-0x0000000005CF0000-0x0000000005CF1000-memory.dmp
    Filesize

    4KB

  • memory/2500-117-0x0000000005750000-0x0000000005751000-memory.dmp
    Filesize

    4KB