Analysis

  • max time kernel
    144s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2022 10:28

General

  • Target

    RESTAR STATEMENT NOVEMBER 2022.exe

  • Size

    1.3MB

  • MD5

    0eb0b95e7aec335c3c43d1be5b97ba12

  • SHA1

    a9b921a70ec4b464b7ebf36dfe3b127e98723bf3

  • SHA256

    b785f053a5f8425a451fe36e0650b0353793e57cfaa25c191f871fbb82b2ae49

  • SHA512

    f5ab9b3a5011f0becf3048586c1acbd63d8f01cb60bac50d56cc0619c489117b6bf7fcc16f42087804e2955b8d5de5bdd4463dafaa3ebce10d36acf167a8f08c

  • SSDEEP

    24576:Sq4dIr7BVlKXwoBMVc1oNatAtNhFWqymCaP1wwGM0:P4dc7B1oBMVao2AtNhFWqFtP1wBM0

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RESTAR STATEMENT NOVEMBER 2022.exe
    "C:\Users\Admin\AppData\Local\Temp\RESTAR STATEMENT NOVEMBER 2022.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4716
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OOnzYL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE90D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4928
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:544

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE90D.tmp
    Filesize

    1KB

    MD5

    8ab96743b43e4ebda28c733d10a794fb

    SHA1

    94a6d07bdf85cddec6f7f943b85740de2e7f65ef

    SHA256

    2ae0a57add40cb187284b7e9bb696e4df3fbe0deda746249aa303c234dfe2c7a

    SHA512

    2378379521ebd9af3a74db2858d57790a8b9521b25789970246f4f53d86735fa9e3c9bcf39bc5ecbea05c99e4afe96152484a6f05cdb810082333b59aa835d9d

  • memory/544-139-0x0000000000000000-mapping.dmp
  • memory/544-140-0x0000000000400000-0x0000000000438000-memory.dmp
    Filesize

    224KB

  • memory/544-141-0x0000000005F00000-0x0000000005F66000-memory.dmp
    Filesize

    408KB

  • memory/544-142-0x00000000062A0000-0x00000000062F0000-memory.dmp
    Filesize

    320KB

  • memory/4716-132-0x0000000000580000-0x00000000006C8000-memory.dmp
    Filesize

    1.3MB

  • memory/4716-133-0x0000000005570000-0x0000000005B14000-memory.dmp
    Filesize

    5.6MB

  • memory/4716-134-0x00000000050A0000-0x0000000005132000-memory.dmp
    Filesize

    584KB

  • memory/4716-135-0x0000000005140000-0x00000000051DC000-memory.dmp
    Filesize

    624KB

  • memory/4716-136-0x0000000005070000-0x000000000507A000-memory.dmp
    Filesize

    40KB

  • memory/4928-137-0x0000000000000000-mapping.dmp