Analysis

  • max time kernel
    152s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 07:40

General

  • Target

    REQUEST QUOTATION.exe

  • Size

    562KB

  • MD5

    151d8349aa1f8d3697c55b1707ca2789

  • SHA1

    ed745b72c682d4b74dec09af7bce32d7acebab4c

  • SHA256

    ea43d517a6f297bacd8199f6df1f0cfaa00acac3c3c2eb125093df80c73a87a6

  • SHA512

    5930a050134b953121b024d169f71d167e675792ec55b837c5f11e33665875f09240ce7281c1171ef20f7d51c88c34bc4ad92d4b86afb8f2827f10439189b4ae

  • SSDEEP

    12288:pJgABfUndS7pkVPaPl00WSETzOKNh3pvckiU3Z7iPuW:pJguUdimyPTEnXfFl

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\REQUEST QUOTATION.exe
    "C:\Users\Admin\AppData\Local\Temp\REQUEST QUOTATION.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3884
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vuvYqkwr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3681.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3908
    • 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:3560

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\tmp3681.tmp
    Filesize

    1KB

    MD5

    4fd4be61e7cd35bd7d38c662b64e2d5e

    SHA1

    c9d2e95925a69e5a59641373463c124762c67ca8

    SHA256

    ce96d987f0b2e73b89c0e9f0efa824f17f75adae09dbc7368890b997acc2a8cf

    SHA512

    41685ef1de5b4c1293d3f7d3cf1c47d78920d935ecd7e5f3add48c615dff6fac3fa73ef06ac3886e04d158e4773fdb9565e0a11c8715ad6dec831aec67f77622

  • memory/3560-139-0x0000000000000000-mapping.dmp
  • memory/3560-140-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/3560-141-0x0000000006640000-0x00000000066A6000-memory.dmp
    Filesize

    408KB

  • memory/3560-142-0x00000000069B0000-0x0000000006A00000-memory.dmp
    Filesize

    320KB

  • memory/3884-132-0x00000000006E0000-0x0000000000772000-memory.dmp
    Filesize

    584KB

  • memory/3884-133-0x00000000056D0000-0x0000000005C74000-memory.dmp
    Filesize

    5.6MB

  • memory/3884-134-0x0000000005120000-0x00000000051B2000-memory.dmp
    Filesize

    584KB

  • memory/3884-135-0x0000000005260000-0x00000000052FC000-memory.dmp
    Filesize

    624KB

  • memory/3884-136-0x0000000005220000-0x000000000522A000-memory.dmp
    Filesize

    40KB

  • memory/3908-137-0x0000000000000000-mapping.dmp