Analysis

  • max time kernel
    75s
  • max time network
    54s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 18:19

General

  • Target

    201b3143e9e4ba28c3dacba060233db540cce934825d05f91165bc50a3e2c996exe.exe

  • Size

    635KB

  • MD5

    acd04306f9838fb1b154c2a42e072ef5

  • SHA1

    5fb94f6e77ecd9f3f3baa523f332bd5c75db73ac

  • SHA256

    201b3143e9e4ba28c3dacba060233db540cce934825d05f91165bc50a3e2c996

  • SHA512

    26eca6161dc3ae0ff08791c9f76bffc86a543bc1a9115e87417a4abad56762dabe8a7c6f80d694ac414fcd0257e47fc9eaac401aaaaafff0922fcec28dacdf93

  • SSDEEP

    12288:+a45+po2d1pgIyS8+YI6fELRCQce6S5cJc4ZuNqFsU8dZE:+5+pJrISm3sLRCHFMcC3NksU8dS

Malware Config

Extracted

Family

agenttesla

Credentials

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.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\201b3143e9e4ba28c3dacba060233db540cce934825d05f91165bc50a3e2c996exe.exe
    "C:\Users\Admin\AppData\Local\Temp\201b3143e9e4ba28c3dacba060233db540cce934825d05f91165bc50a3e2c996exe.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Users\Admin\AppData\Local\Temp\201b3143e9e4ba28c3dacba060233db540cce934825d05f91165bc50a3e2c996exe.exe
      "C:\Users\Admin\AppData\Local\Temp\201b3143e9e4ba28c3dacba060233db540cce934825d05f91165bc50a3e2c996exe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\201b3143e9e4ba28c3dacba060233db540cce934825d05f91165bc50a3e2c996exe.exe.log

    Filesize

    2KB

    MD5

    93d52c1bc7c38d958583ebbd3dc09cd4

    SHA1

    4c5ee6f9c9ae190c9a0cccb91fa2257ddcb8b0d5

    SHA256

    2905f3a06dd8907ddbcbe64389cffcc8a5273d1822e25f8bea385bdd01653c76

    SHA512

    dfc55c3247d7734c5a531fb5a3de689e8bb823e82c14ad6cab16923d50d51e03e5e86165a7d65b3059a66b67968b611368b010a6d9f755916b01ef7b67c5228e

  • memory/2332-10-0x0000000008150000-0x00000000081EC000-memory.dmp

    Filesize

    624KB

  • memory/2332-14-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/2332-9-0x0000000008360000-0x00000000083DC000-memory.dmp

    Filesize

    496KB

  • memory/2332-4-0x0000000005830000-0x00000000058C2000-memory.dmp

    Filesize

    584KB

  • memory/2332-6-0x0000000005C70000-0x0000000005C88000-memory.dmp

    Filesize

    96KB

  • memory/2332-5-0x0000000005940000-0x000000000594A000-memory.dmp

    Filesize

    40KB

  • memory/2332-7-0x0000000005CA0000-0x0000000005CA8000-memory.dmp

    Filesize

    32KB

  • memory/2332-8-0x0000000005CB0000-0x0000000005CBA000-memory.dmp

    Filesize

    40KB

  • memory/2332-3-0x0000000005D30000-0x00000000062D4000-memory.dmp

    Filesize

    5.6MB

  • memory/2332-2-0x0000000003100000-0x0000000003110000-memory.dmp

    Filesize

    64KB

  • memory/2332-0-0x0000000000BE0000-0x0000000000C84000-memory.dmp

    Filesize

    656KB

  • memory/2332-1-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/4772-20-0x0000000005840000-0x0000000005850000-memory.dmp

    Filesize

    64KB

  • memory/4772-16-0x0000000005840000-0x0000000005850000-memory.dmp

    Filesize

    64KB

  • memory/4772-15-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/4772-17-0x0000000005750000-0x00000000057B6000-memory.dmp

    Filesize

    408KB

  • memory/4772-18-0x0000000006FC0000-0x0000000007010000-memory.dmp

    Filesize

    320KB

  • memory/4772-19-0x00000000751E0000-0x0000000075990000-memory.dmp

    Filesize

    7.7MB

  • memory/4772-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB