Overview

overview

10

Static

static

10

2545b47e98...db.exe

windows7-x64

8

2545b47e98...db.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 20:08

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    2545b47e98ffb00e68912dbedcb8f5db.exe

  • Size

    93KB

  • MD5

    2545b47e98ffb00e68912dbedcb8f5db

  • SHA1

    0612d0f4417ebb63e52ad1da47db3209e848332a

  • SHA256

    18240be396f8b7a2a28669dfb20f4fb311daf0b1fd4c1d81df26d7f8419444d4

  • SHA512

    d480f7713618938a6239445c4e5ccdbdc1305fa3d45e958d7b4656cee09e792ad5892e18c0c590f2aa9c2e904f00a271fbbb8da5db3d14846a9819ba5cba7788

  • SSDEEP

    1536:jwfR8lZc+/2HK1j+fzdljEwzGi1dDaDlgS:jwfKc+/2HK1ozdSi1dMy

Score
8/10
discoveryevasionpersistenceprivilege_escalation

Malware Config

Signatures

  • Disables Task Manager via registry modification
    evasion
  • Modifies Windows Firewall 2 TTPs 3 IoCs
    evasion
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2545b47e98ffb00e68912dbedcb8f5db.exe
    "C:\Users\Admin\AppData\Local\Temp\2545b47e98ffb00e68912dbedcb8f5db.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:444
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3132
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4000
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4004
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn StUpdate /tr C:\Users\Admin\AppData\Local\Temp/StUpdate.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1008
  • C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
    C:\Users\Admin\AppData\Local\Temp/StUpdate.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3536
  • C:\Users\Admin\AppData\Local\Temp\StUpdate.exe
    C:\Users\Admin\AppData\Local\Temp/StUpdate.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:3196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\server.exe
    Filesize

    93KB

    MD5

    2545b47e98ffb00e68912dbedcb8f5db

    SHA1

    0612d0f4417ebb63e52ad1da47db3209e848332a

    SHA256

    18240be396f8b7a2a28669dfb20f4fb311daf0b1fd4c1d81df26d7f8419444d4

    SHA512

    d480f7713618938a6239445c4e5ccdbdc1305fa3d45e958d7b4656cee09e792ad5892e18c0c590f2aa9c2e904f00a271fbbb8da5db3d14846a9819ba5cba7788

    Download Submit

  • C:\Users\Admin\AppData\Roaming\app
    Filesize

    4B

    MD5

    4d853d9c7197ee7fa81c6535b1f7d655

    SHA1

    eac3d866e991967b385f3dd22da25e410d8f7f49

    SHA256

    5abdb6175f820f0ac3d8647fbb1f7a0bcc91757a782a8a145570944ca6a00c96

    SHA512

    dc5a09d8586eb9f591f6e00187817c19f693e9328a1b2e5838c61c0b234e9608eecc45bbf7f4a90912e9a456d0ab469ed2503bafb4988b276cec8d5f0b18fda7

    Download Submit

  • memory/444-0-0x0000000075052000-0x0000000075053000-memory.dmp

    Filesize

    4KB

    Download

  • memory/444-1-0x0000000075050000-0x0000000075601000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/444-2-0x0000000075050000-0x0000000075601000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/444-14-0x0000000075050000-0x0000000075601000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1772-13-0x0000000075050000-0x0000000075601000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1772-15-0x0000000075050000-0x0000000075601000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1772-16-0x0000000075050000-0x0000000075601000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1772-35-0x0000000075050000-0x0000000075601000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1772-37-0x0000000075050000-0x0000000075601000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1772-36-0x0000000075050000-0x0000000075601000-memory.dmp

    Filesize

    5.7MB

    Download