Analysis

  • max time kernel
    105s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    20-10-2021 06:55

General

  • Target

    rGLREodBAc3qMWW.exe

  • Size

    402KB

  • MD5

    789373b7e8bfc21a2acccaaf4926590d

  • SHA1

    62c13ed0d5ab860cec8981fed0cc34e8d85243c0

  • SHA256

    1183feed064c66f5321e3d89c985542fcff19f29fb9f859fde262e7b2678cbca

  • SHA512

    120d6eddc36bfd7d732c30b3cc1c737e90c0eebbd87feb456fbfe8df914c7feaf3e538b13e1637196b95f8e0951ecca95702b6b030a3cb0f788b1a64bdb8c7f4

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1990818097:AAEwom4DVSnyX5nLZhtvlrvCnmzUsVj23cE/sendDocument

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\rGLREodBAc3qMWW.exe
    "C:\Users\Admin\AppData\Local\Temp\rGLREodBAc3qMWW.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2152
    • C:\Users\Admin\AppData\Local\Temp\rGLREodBAc3qMWW.exe
      "C:\Users\Admin\AppData\Local\Temp\rGLREodBAc3qMWW.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1344

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rGLREodBAc3qMWW.exe.log
    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/1344-126-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1344-135-0x0000000005F90000-0x0000000005F91000-memory.dmp
    Filesize

    4KB

  • memory/1344-134-0x00000000057B0000-0x00000000057B1000-memory.dmp
    Filesize

    4KB

  • memory/1344-133-0x0000000005210000-0x0000000005211000-memory.dmp
    Filesize

    4KB

  • memory/1344-127-0x00000000004378AE-mapping.dmp
  • memory/2152-121-0x0000000004C60000-0x0000000004CF2000-memory.dmp
    Filesize

    584KB

  • memory/2152-125-0x0000000008900000-0x0000000008958000-memory.dmp
    Filesize

    352KB

  • memory/2152-124-0x0000000008760000-0x0000000008761000-memory.dmp
    Filesize

    4KB

  • memory/2152-123-0x0000000005350000-0x0000000005358000-memory.dmp
    Filesize

    32KB

  • memory/2152-122-0x0000000004DA0000-0x0000000004DA1000-memory.dmp
    Filesize

    4KB

  • memory/2152-117-0x0000000000460000-0x0000000000461000-memory.dmp
    Filesize

    4KB

  • memory/2152-120-0x0000000004D00000-0x0000000004D01000-memory.dmp
    Filesize

    4KB

  • memory/2152-119-0x0000000005360000-0x0000000005361000-memory.dmp
    Filesize

    4KB