Overview

overview

10

Static

static

Disposable...sk.exe

windows7_x64

10

Disposable...sk.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    146s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 12:31

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General

  • Target

    Disposable Protective Mask.exe

  • Size

    561KB

  • MD5

    6f254eb4843ee683a0c43e340bfe8840

  • SHA1

    82b24614b10237c4b8ab9b31a860555be00667b7

  • SHA256

    82f23154db8360127ad3fbcab71948019b0e2904c1ec65d5045722f6ee91fdce

  • SHA512

    2ed7a8a383366eefb4e2fe6d23f97f2ba24b992c315d6cdde6069e2e76910413a77c20b5da71ac74b35e8bfd05f36951225afbca8035b35a82d763d49ff65d19

Score
10/10
asyncrattinotinorat

Malware Config

Extracted

Family

asyncrat

Version

0.5.6D

Botnet

TINOTINO

C2

185.165.153.215:6606

Mutex

uqeolevmck

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers.

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

    persistence
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Disposable Protective Mask.exe
    "C:\Users\Admin\AppData\Local\Temp\Disposable Protective Mask.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2608
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vKnNDXnkQhbt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9252.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:100
    • C:\Users\Admin\AppData\Local\Temp\Disposable Protective Mask.exe
      "{path}"
      2⤵
        PID:5044

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Disposable Protective Mask.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmp9252.tmp
      Filesize

      1KB

      MD5

      ab924e86dcdce6c93107610c1dfac1ab

      SHA1

      34a97b8dd987fa3e7e3436c2b034587373298f5d

      SHA256

      142438b5ab714208ac82685df66de44c305ac626296daff795083f6a31918824

      SHA512

      14926d7095ef60bab1ff84e117fa1546bc0422a105dff9b868926107739907334f8693f83d67282630d801bfb7486d556b29752c6f26824901a06bc8ff61e262

      Download Submit
    • memory/100-135-0x0000000000000000-mapping.dmp
      Download
    • memory/2608-130-0x00000000002E0000-0x0000000000372000-memory.dmp
      Filesize

      584KB

      Download
    • memory/2608-131-0x0000000009720000-0x0000000009CC4000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/2608-132-0x0000000004E90000-0x0000000004F22000-memory.dmp
      Filesize

      584KB

      Download
    • memory/2608-133-0x0000000004E00000-0x0000000004E0A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/2608-134-0x0000000009520000-0x00000000095BC000-memory.dmp
      Filesize

      624KB

      Download
    • memory/5044-137-0x0000000000000000-mapping.dmp
      Download
    • memory/5044-138-0x0000000000400000-0x0000000000412000-memory.dmp
      Filesize

      72KB

      Download