Analysis

  • max time kernel
    46s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2023 10:20

General

  • Target

    Doc-102PO-207841001jpg.exe

  • Size

    2.1MB

  • MD5

    0596aefc251ba32dcb538593b0616568

  • SHA1

    9ceb68e35b93711e8247512c21ad2ccd6b8da938

  • SHA256

    f085f0ece42084f2ce26c28a27ebc9457ae32b2ecd632b3073500b7e17805659

  • SHA512

    da0d4d63ce9ecfc3d892b20f55be6769a5d28a77d9c3b7f4cb22abc51e3be604c102c1e6b7c4d7464dc8dc3f4730b204654c82292ad8899004e90cd7b4a66a5d

  • SSDEEP

    49152:gbB0FQB5MLPlG5/8uMLq0u5hRD5pbjX7i4l8B/oy6kRMF4mK/LPS/yYCxL:g90sW0dRfj7O/oyBqi/TS/yYCxL

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 35 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.

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Doc-102PO-207841001jpg.exe
    "C:\Users\Admin\AppData\Local\Temp\Doc-102PO-207841001jpg.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1216
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig/release
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:904
      • C:\Windows\system32\ipconfig.exe
        ipconfig /release
        3⤵
        • Gathers network information
        PID:996
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:568
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ipconfig/renew
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1628
      • C:\Windows\system32\ipconfig.exe
        ipconfig /renew
        3⤵
        • Gathers network information
        PID:552
    • C:\Users\Admin\AppData\Local\Temp\Doc-102PO-207841001jpg.exe
      C:\Users\Admin\AppData\Local\Temp\Doc-102PO-207841001jpg.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1992

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/552-70-0x0000000000000000-mapping.dmp
  • memory/568-62-0x000007FEEC960000-0x000007FEED383000-memory.dmp
    Filesize

    10.1MB

  • memory/568-64-0x0000000002964000-0x0000000002967000-memory.dmp
    Filesize

    12KB

  • memory/568-61-0x000007FEFBF31000-0x000007FEFBF33000-memory.dmp
    Filesize

    8KB

  • memory/568-68-0x000000000296B000-0x000000000298A000-memory.dmp
    Filesize

    124KB

  • memory/568-67-0x0000000002964000-0x0000000002967000-memory.dmp
    Filesize

    12KB

  • memory/568-60-0x0000000000000000-mapping.dmp
  • memory/568-66-0x000000000296B000-0x000000000298A000-memory.dmp
    Filesize

    124KB

  • memory/568-65-0x000000001B790000-0x000000001BA8F000-memory.dmp
    Filesize

    3.0MB

  • memory/568-63-0x000007FEEBE00000-0x000007FEEC95D000-memory.dmp
    Filesize

    11.4MB

  • memory/904-57-0x0000000000000000-mapping.dmp
  • memory/996-59-0x0000000000000000-mapping.dmp
  • memory/1216-80-0x000000001C146000-0x000000001C165000-memory.dmp
    Filesize

    124KB

  • memory/1216-54-0x000000013F820000-0x000000013FA3A000-memory.dmp
    Filesize

    2.1MB

  • memory/1216-71-0x000000001BA50000-0x000000001BB22000-memory.dmp
    Filesize

    840KB

  • memory/1216-58-0x000000001C146000-0x000000001C165000-memory.dmp
    Filesize

    124KB

  • memory/1216-56-0x000000001AD80000-0x000000001AE12000-memory.dmp
    Filesize

    584KB

  • memory/1216-55-0x000000001BBA0000-0x000000001BD8A000-memory.dmp
    Filesize

    1.9MB

  • memory/1628-69-0x0000000000000000-mapping.dmp
  • memory/1992-87-0x00000000020B7000-0x00000000020D6000-memory.dmp
    Filesize

    124KB

  • memory/1992-75-0x0000000140000000-0x0000000140098000-memory.dmp
    Filesize

    608KB

  • memory/1992-76-0x0000000140000000-0x0000000140098000-memory.dmp
    Filesize

    608KB

  • memory/1992-77-0x0000000140000000-mapping.dmp
  • memory/1992-81-0x000000001AB70000-0x000000001AC30000-memory.dmp
    Filesize

    768KB

  • memory/1992-73-0x0000000140000000-0x0000000140098000-memory.dmp
    Filesize

    608KB

  • memory/1992-82-0x000000001BA90000-0x000000001BB02000-memory.dmp
    Filesize

    456KB

  • memory/1992-83-0x000000001BB00000-0x000000001BB70000-memory.dmp
    Filesize

    448KB

  • memory/1992-84-0x0000000002050000-0x000000000209C000-memory.dmp
    Filesize

    304KB

  • memory/1992-85-0x000000001BC70000-0x000000001BCF6000-memory.dmp
    Filesize

    536KB

  • memory/1992-86-0x00000000007E0000-0x00000000007E8000-memory.dmp
    Filesize

    32KB

  • memory/1992-72-0x0000000140000000-0x0000000140098000-memory.dmp
    Filesize

    608KB

  • memory/1992-88-0x000000001BD00000-0x000000001BD7A000-memory.dmp
    Filesize

    488KB

  • memory/1992-89-0x00000000020B7000-0x00000000020D6000-memory.dmp
    Filesize

    124KB