Overview

overview

8

Static

static

1.exe

windows7_x64

1

1.exe

windows10_x64

8

Fallen.exe

windows7_x64

8

Fallen.exe

windows10_x64

8

Inte.exe

windows7_x64

8

Inte.exe

windows10_x64

8

LX64

windows7_x64

1

LX64

windows10_x64

1

Server.exe

windows7_x64

8

Server.exe

windows10_x64

8

hfs.exe

windows7_x64

6

hfs.exe

windows10_x64

6

hfs_1.exe

windows7_x64

6

hfs_1.exe

windows10_x64

6

hg

windows7_x64

1

hg

windows10_x64

1

java

windows7_x64

1

java

windows10_x64

1

moren.exe

windows7_x64

6

moren.exe

windows10_x64

6

Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v200217
  • submitted
    10-03-2020 00:09

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General

  • Target

    Server.exe

  • Size

    96KB

  • MD5

    bfd0dcf57209068cc25907ff8ddc17e1

  • SHA1

    8b913990c8691231e1d8e249d6d7f9a59b85dc1e

  • SHA256

    8a16390f705599cacaba51ccf440f7f0a8320e614f71710a594312756788b28d

  • SHA512

    8a2838fd69419a249a37b7569a7c0333e8c36a71df0dc7b8ea414f87392b42e885bcd3fc41b6bda181c6f69d98a5a5367d06b8ff6c7d3e577ea4d2581c2bfe09

Score
8/10
persistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Modifies service 2 TTPs 1 IoCs
    persistence
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Server.exe
    "C:\Users\Admin\AppData\Local\Temp\Server.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • Drops file in Program Files directory
    • Modifies service
    PID:4020
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\Server.exe > nul
      2⤵
        PID:4040
    • C:\Program Files\nannaa\svchost.exe
      "C:\Program Files\nannaa\svchost.exe"
      1⤵
      • Executes dropped EXE
      • Checks processor information in registry
      PID:3988

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Modify Existing Service

    1
    T1031

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads