Analysis

  • max time kernel
    145s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220331-en
  • submitted
    14-04-2022 12:40

General

  • Target

    9e9974fe3a20d29af7b844255b32c7b1fea7f0c7c0fae8b1b7fc3330e86f5b52.exe

  • Size

    755KB

  • MD5

    666925a5d370b82d8b3d930e81f80f27

  • SHA1

    9a31ed86c0d51c9287b96770c0c320f6d198a926

  • SHA256

    9e9974fe3a20d29af7b844255b32c7b1fea7f0c7c0fae8b1b7fc3330e86f5b52

  • SHA512

    1af6ee18bbbf4930e90fa5a50ee300729833f9bbdf4bb385b4e6b08a6b91d3faf9a1e2d59466a08b4b6db4771dbb7e698981886a7707c7c7d2a7fe2361ad902b

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.orionfeshion.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    LiPwzbc5

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9e9974fe3a20d29af7b844255b32c7b1fea7f0c7c0fae8b1b7fc3330e86f5b52.exe
    "C:\Users\Admin\AppData\Local\Temp\9e9974fe3a20d29af7b844255b32c7b1fea7f0c7c0fae8b1b7fc3330e86f5b52.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:892
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UOwlrOad" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC61E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1280
    • C:\Users\Admin\AppData\Local\Temp\9e9974fe3a20d29af7b844255b32c7b1fea7f0c7c0fae8b1b7fc3330e86f5b52.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1212

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC61E.tmp

    Filesize

    1KB

    MD5

    487eadb6eca3888d6239071110b2526c

    SHA1

    3a738f5cf32709e378b9b0f73961820e672793fb

    SHA256

    05207baf6cbb03269e614226e10ccfdff1836afd273d639d3180e011e4fb3f30

    SHA512

    d8ddae855e0770ba499ef3bd14bafc2847d9e3779f39f0127e3b04229a11a3556dc7b3236ec5afc29f6c485b6b75d3769ba6fc7e1d0e93fb848a8dc94aebc102

  • memory/892-55-0x00000000048C0000-0x000000000492C000-memory.dmp

    Filesize

    432KB

  • memory/892-56-0x0000000000490000-0x00000000004AC000-memory.dmp

    Filesize

    112KB

  • memory/892-57-0x0000000005820000-0x0000000005886000-memory.dmp

    Filesize

    408KB

  • memory/892-54-0x0000000000960000-0x0000000000A24000-memory.dmp

    Filesize

    784KB

  • memory/1212-60-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1212-61-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1212-63-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1212-64-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1212-65-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1212-68-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1212-70-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB