Overview

overview

8

Static

static

9fd8683587...7c.exe

windows7-x64

8

9fd8683587...7c.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    158s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 22:40

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General

  • Target

    9fd868358712a7197667f60d896209bfec81c5c80c200baba261eea3b6e94b7c.exe

  • Size

    61KB

  • MD5

    84fbf0b6ad4a8e090f0c46fb7014314a

  • SHA1

    35fb8bf532863e769660070079799ada057af7c7

  • SHA256

    9fd868358712a7197667f60d896209bfec81c5c80c200baba261eea3b6e94b7c

  • SHA512

    143f87e4303b391df1e5ff1142ec94c67051a02fdf957dfbec6c95048983e037336ec93b41ec0aacde73852e79276fc4a29e1f69e36b63664c9552bd54e6310b

  • SSDEEP

    768:fwSlBy8rR4OtJ1JYconEfEbIT/DtRw0FJ8pmp+Ou3UA5KDFQMSbowBA3iNsrie:fnlByQRonEfuIT/Dw5ZTKEHfNsl

Score
8/10
persistence

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 58 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9fd868358712a7197667f60d896209bfec81c5c80c200baba261eea3b6e94b7c.exe
    "C:\Users\Admin\AppData\Local\Temp\9fd868358712a7197667f60d896209bfec81c5c80c200baba261eea3b6e94b7c.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4244
    • C:\Users\Admin\appdata\roaming\MSOffice Users Licenses\comhost.exe
      "C:\Users\Admin\appdata\roaming\MSOffice Users Licenses\comhost.exe" "c:\users\admin\appdata\local\temp\9fd868358712a7197667f60d896209bfec81c5c80c200baba261eea3b6e94b7c.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:920
      • C:\Users\Admin\AppData\Local\Temp\csrsss.exe
        "C:\Users\Admin\AppData\Local\Temp\csrsss.exe" -mon
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4500

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

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\Temp\csrsss.exe
    Filesize

    61KB

    MD5

    84fbf0b6ad4a8e090f0c46fb7014314a

    SHA1

    35fb8bf532863e769660070079799ada057af7c7

    SHA256

    9fd868358712a7197667f60d896209bfec81c5c80c200baba261eea3b6e94b7c

    SHA512

    143f87e4303b391df1e5ff1142ec94c67051a02fdf957dfbec6c95048983e037336ec93b41ec0aacde73852e79276fc4a29e1f69e36b63664c9552bd54e6310b

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\csrsss.exe
    Filesize

    61KB

    MD5

    84fbf0b6ad4a8e090f0c46fb7014314a

    SHA1

    35fb8bf532863e769660070079799ada057af7c7

    SHA256

    9fd868358712a7197667f60d896209bfec81c5c80c200baba261eea3b6e94b7c

    SHA512

    143f87e4303b391df1e5ff1142ec94c67051a02fdf957dfbec6c95048983e037336ec93b41ec0aacde73852e79276fc4a29e1f69e36b63664c9552bd54e6310b

    Download Submit
  • C:\Users\Admin\AppData\Roaming\MSOffice Users Licenses\comhost.exe
    Filesize

    61KB

    MD5

    84fbf0b6ad4a8e090f0c46fb7014314a

    SHA1

    35fb8bf532863e769660070079799ada057af7c7

    SHA256

    9fd868358712a7197667f60d896209bfec81c5c80c200baba261eea3b6e94b7c

    SHA512

    143f87e4303b391df1e5ff1142ec94c67051a02fdf957dfbec6c95048983e037336ec93b41ec0aacde73852e79276fc4a29e1f69e36b63664c9552bd54e6310b

    Download Submit
  • C:\Users\Admin\appdata\roaming\MSOffice Users Licenses\comhost.exe
    Filesize

    61KB

    MD5

    84fbf0b6ad4a8e090f0c46fb7014314a

    SHA1

    35fb8bf532863e769660070079799ada057af7c7

    SHA256

    9fd868358712a7197667f60d896209bfec81c5c80c200baba261eea3b6e94b7c

    SHA512

    143f87e4303b391df1e5ff1142ec94c67051a02fdf957dfbec6c95048983e037336ec93b41ec0aacde73852e79276fc4a29e1f69e36b63664c9552bd54e6310b

    Download Submit
  • memory/920-138-0x0000000074F70000-0x0000000075521000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/920-134-0x0000000000000000-mapping.dmp
    Download
  • memory/920-143-0x0000000074F70000-0x0000000075521000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4244-132-0x0000000074F70000-0x0000000075521000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4244-137-0x0000000074F70000-0x0000000075521000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4244-133-0x0000000074F70000-0x0000000075521000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4500-139-0x0000000000000000-mapping.dmp
    Download
  • memory/4500-142-0x0000000074F70000-0x0000000075521000-memory.dmp
    Filesize

    5.7MB

    Download
  • memory/4500-144-0x0000000074F70000-0x0000000075521000-memory.dmp
    Filesize

    5.7MB

    Download