Analysis

  • max time kernel
    129s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    27-07-2021 16:04

General

  • Target

    2553f424ecb8f9a07e4d4fd110adadcf.exe

  • Size

    461KB

  • MD5

    2553f424ecb8f9a07e4d4fd110adadcf

  • SHA1

    c82344a66717312df4ce2f126c5912b98b1003db

  • SHA256

    49410b049129225af89fba012073e14ad171e27924af79e0d79bb60191e81f33

  • SHA512

    60df84c8bd26370970329f9de3e181fbf4ca84d5e1a2584a9ea19c49f253c55316f0a90b33a6c7b118bd59d2b00ef073aaeb605c9ea6ccf6043f4c6f8ef87f2a

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1846829589:AAHSsEDTKvDOQ17YrNRY5_FXv5z4mpfGRIc/sendDocument

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2553f424ecb8f9a07e4d4fd110adadcf.exe
    "C:\Users\Admin\AppData\Local\Temp\2553f424ecb8f9a07e4d4fd110adadcf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Users\Admin\AppData\Local\Temp\2553f424ecb8f9a07e4d4fd110adadcf.exe
      C:\Users\Admin\AppData\Local\Temp\2553f424ecb8f9a07e4d4fd110adadcf.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:568

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/568-69-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/568-70-0x000000000043774E-mapping.dmp
  • memory/568-71-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/568-73-0x0000000004BB0000-0x0000000004BB1000-memory.dmp
    Filesize

    4KB

  • memory/568-74-0x0000000004BB1000-0x0000000004BB2000-memory.dmp
    Filesize

    4KB

  • memory/1980-59-0x00000000012C0000-0x00000000012C1000-memory.dmp
    Filesize

    4KB

  • memory/1980-61-0x0000000001280000-0x0000000001281000-memory.dmp
    Filesize

    4KB

  • memory/1980-62-0x0000000004C00000-0x0000000004C50000-memory.dmp
    Filesize

    320KB

  • memory/1980-67-0x0000000005930000-0x0000000005992000-memory.dmp
    Filesize

    392KB

  • memory/1980-68-0x0000000001285000-0x0000000001296000-memory.dmp
    Filesize

    68KB