Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2023 09:16

General

  • Target

    021dde3d8e8f0c8fa2fec8760b0f6e29d85bf2beb3a9c49902f20fc4ed462002.exe

  • Size

    714KB

  • MD5

    05e7f056cc047a522cc2f1593a7f1c4a

  • SHA1

    2129143fea7010a8cf120629da20f4e8e8ffeada

  • SHA256

    021dde3d8e8f0c8fa2fec8760b0f6e29d85bf2beb3a9c49902f20fc4ed462002

  • SHA512

    c7b68cc72c7a9446e5f5054eedc28e0b3d66f01976df5bafd8a30217360c54cb8d932b46ca28d5905bea945e5c95e55c17e81f01003805bcbff7969868b2698a

  • SSDEEP

    12288:T0dII+Ld/YsbZ2MenfeVNrBfpz4dkyYm+Cv+73qTtW:T0C9YCKeVNrBfpQkLmzO8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.aksumer.com
  • Port:
    21
  • Username:
    aksumerc
  • Password:
    211116.kS*-

Signatures

  • AgentTesla

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

  • 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 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\021dde3d8e8f0c8fa2fec8760b0f6e29d85bf2beb3a9c49902f20fc4ed462002.exe
    "C:\Users\Admin\AppData\Local\Temp\021dde3d8e8f0c8fa2fec8760b0f6e29d85bf2beb3a9c49902f20fc4ed462002.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1244
    • C:\Users\Admin\AppData\Local\Temp\021dde3d8e8f0c8fa2fec8760b0f6e29d85bf2beb3a9c49902f20fc4ed462002.exe
      "C:\Users\Admin\AppData\Local\Temp\021dde3d8e8f0c8fa2fec8760b0f6e29d85bf2beb3a9c49902f20fc4ed462002.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1244-1-0x0000000074D90000-0x000000007547E000-memory.dmp

    Filesize

    6.9MB

  • memory/1244-0-0x0000000001350000-0x0000000001408000-memory.dmp

    Filesize

    736KB

  • memory/1244-2-0x0000000004920000-0x0000000004960000-memory.dmp

    Filesize

    256KB

  • memory/1244-3-0x00000000003D0000-0x00000000003E6000-memory.dmp

    Filesize

    88KB

  • memory/1244-4-0x00000000003F0000-0x00000000003F8000-memory.dmp

    Filesize

    32KB

  • memory/1244-5-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/1244-6-0x0000000005C40000-0x0000000005CBA000-memory.dmp

    Filesize

    488KB

  • memory/1244-20-0x0000000074D90000-0x000000007547E000-memory.dmp

    Filesize

    6.9MB

  • memory/2844-9-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2844-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2844-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2844-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2844-15-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2844-17-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2844-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2844-21-0x0000000074D90000-0x000000007547E000-memory.dmp

    Filesize

    6.9MB

  • memory/2844-7-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2844-22-0x0000000074D90000-0x000000007547E000-memory.dmp

    Filesize

    6.9MB

  • memory/2844-23-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

    Filesize

    256KB