Overview

overview

10

Static

static

8

03ff897da4...b3.exe

windows7_x64

7

03ff897da4...b3.exe

windows10_x64

7

10493d98a6...41.exe

windows7_x64

7

10493d98a6...41.exe

windows10_x64

7

11747d3247...67.exe

windows7_x64

7

11747d3247...67.exe

windows10_x64

San11 Tc/D...eg.htm

windows7_x64

1

San11 Tc/D...eg.htm

windows10_x64

1

San11 Tc/DrvMgt.dll

windows7_x64

1

San11 Tc/DrvMgt.dll

windows10_x64

1

San11 Tc/L...es.exe

windows7_x64

1

San11 Tc/L...es.exe

windows10_x64

1

San11 Tc/S...er.exe

windows7_x64

1

San11 Tc/S...er.exe

windows10_x64

1

San11 Tc/S...er.exe

windows7_x64

1

San11 Tc/S...er.exe

windows10_x64

1

San11 Tc/S...YS.exe

windows7_x64

San11 Tc/S...YS.exe

windows10_x64

San11 Tc/San11.exe

windows7_x64

8

San11 Tc/San11.exe

windows10_x64

8

San11 Tc/san11pk.exe

windows7_x64

3

San11 Tc/san11pk.exe

windows10_x64

1

San11 Tc/�...��.exe

windows7_x64

3

San11 Tc/�...��.exe

windows10_x64

10

23c9e16cc6...7b.exe

windows7_x64

5

23c9e16cc6...7b.exe

windows10_x64

5

36a18ae31f...d0.exe

windows7_x64

7

36a18ae31f...d0.exe

windows10_x64

7

4109a062b3...d4.exe

windows7_x64

8

4109a062b3...d4.exe

windows10_x64

8

CW3.exe

windows7_x64

1

CW3.exe

windows10_x64

1

Analysis

  • max time kernel
    123s
  • max time network
    162s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    20-10-2021 15:32

Sharing

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General

  • Target

    San11 Tc/开始游戏.exe

  • Size

    4.6MB

  • MD5

    3d4b53eb549585ee077617f61072c6e7

  • SHA1

    f2b4efe06ed35af3daf7b0bb1db302411f93682f

  • SHA256

    b4538fc19c0fd8db74795d4983d17044aa722f30030a0501a247b2b195ba6363

  • SHA512

    6d04931ec1c97401ec2c6d090594808ef64ff9e55c217235389783ddd0b72bc923c09a4469217699816320340d9242da70f9e5409a5887b7514628e8d4bf3931

Score
10/10

Malware Config

Signatures

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\San11 Tc\开始游戏.exe
    "C:\Users\Admin\AppData\Local\Temp\San11 Tc\开始游戏.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2344
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2344 -s 3012
      2⤵
      • Program crash
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2880
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2344 -s 3036
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      PID:1836

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/2344-115-0x0000000010001000-0x00000000101B3000-memory.dmp
    Filesize

    1.7MB

    Download
  • memory/2344-116-0x00000000101B3000-0x000000001020E000-memory.dmp
    Filesize

    364KB

    Download
  • memory/2344-117-0x0000000000BD0000-0x0000000000BF3000-memory.dmp
    Filesize

    140KB

    Download