f12fb9bb68ca6a56c5bfdd768586629c4b961a4d5b641a0ff6ca8d970647df43

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231201-en
resource tags

arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2023, 19:41

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
1e91ce11e07a426450e9c0f363123fc9.exe
Size 1.5MB
Sample231202-yd3yrsfe36
SHA256 f12fb9bb68ca6a56c5bfdd768586629c4b961a4d5b641a0ff6ca8d970647df43
MD5 1e91ce11e07a426450e9c0f363123fc9
SHA1 792bc82e6a6df9cd985a04dbfe19f3bbb3c05acb
SHA512 50fee03707fdd0ff7e7ab73e6fedbd1593ca8c006d2c5b225e19dacbde01ae4f53d8feb3fa3eaec46ab02c0027148fddc5ee461a69a251b11dab168e91ae99e7
SSDEEP 24576:2opGDjnvrPpkjos0OtjcFc5kM49dj+IuxWQOIjuJuVvhbqL0HtFcgekRP9dT0WBI:OnvrPGT0Egyudc4tI3bqL0NFchaP9dTO
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence

Malware Config

Signatures

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk	1e91ce11e07a426450e9c0f363123fc9.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2192493100-457715857-1189582111-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	1e91ce11e07a426450e9c0f363123fc9.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy	1e91ce11e07a426450e9c0f363123fc9.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	1e91ce11e07a426450e9c0f363123fc9.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	1e91ce11e07a426450e9c0f363123fc9.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	1e91ce11e07a426450e9c0f363123fc9.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
548	schtasks.exe
1632	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1536 wrote to memory of 548	1536	1e91ce11e07a426450e9c0f363123fc9.exe	86
PID 1536 wrote to memory of 548	1536	1e91ce11e07a426450e9c0f363123fc9.exe	86
PID 1536 wrote to memory of 548	1536	1e91ce11e07a426450e9c0f363123fc9.exe	86
PID 1536 wrote to memory of 1632	1536	1e91ce11e07a426450e9c0f363123fc9.exe	90
PID 1536 wrote to memory of 1632	1536	1e91ce11e07a426450e9c0f363123fc9.exe	90
PID 1536 wrote to memory of 1632	1536	1e91ce11e07a426450e9c0f363123fc9.exe	90

C:\Users\Admin\AppData\Local\Temp\1e91ce11e07a426450e9c0f363123fc9.exe
"C:\Users\Admin\AppData\Local\Temp\1e91ce11e07a426450e9c0f363123fc9.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1536
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
  2⤵
  - Creates scheduled task(s)
  PID:548
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
  2⤵
  - Creates scheduled task(s)
  PID:1632

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:3240

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:1236

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

OfficeTrackerNMP131.exe

Path C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe
Size 1.5MB
SHA256 f12fb9bb68ca6a56c5bfdd768586629c4b961a4d5b641a0ff6ca8d970647df43
MD5 1e91ce11e07a426450e9c0f363123fc9
SHA1 792bc82e6a6df9cd985a04dbfe19f3bbb3c05acb
SHA512 50fee03707fdd0ff7e7ab73e6fedbd1593ca8c006d2c5b225e19dacbde01ae4f53d8feb3fa3eaec46ab02c0027148fddc5ee461a69a251b11dab168e91ae99e7
SSDEEP 24576:2opGDjnvrPpkjos0OtjcFc5kM49dj+IuxWQOIjuJuVvhbqL0HtFcgekRP9dT0WBI:OnvrPGT0Egyudc4tI3bqL0NFchaP9dTO
MD5 SHA1 SHA512 SSDEEP

Submit Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads