a7d39dd9ddff6083843f1d5a8fb75023bf62ea1687aac447062d64193af9fb86

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231130-en
resource tags

arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2023, 19:56

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General

Target
28adc5b934f4ad42bcb9099b25e17632.exe
Size 1.5MB
Sample231202-ynnltsff4w
SHA256 a7d39dd9ddff6083843f1d5a8fb75023bf62ea1687aac447062d64193af9fb86
MD5 28adc5b934f4ad42bcb9099b25e17632
SHA1 d5290e45af1267990dac0964bcf09a7c6ff69577
SHA512 ecade7cbef2e94d23a08b8fbb5798fa339fe8033344767bc58a612fcf11e292c46b0aa804b051ad62a977fc27f1408852fdc1d0b36207a7fc08d21f927a8f0f2
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	28adc5b934f4ad42bcb9099b25e17632.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-1-5-21-423100829-2271632622-1028104103-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	28adc5b934f4ad42bcb9099b25e17632.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	28adc5b934f4ad42bcb9099b25e17632.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	28adc5b934f4ad42bcb9099b25e17632.exe
File opened for modification	C:\Windows\System32\GroupPolicy	28adc5b934f4ad42bcb9099b25e17632.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	28adc5b934f4ad42bcb9099b25e17632.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
1828	schtasks.exe
3696	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 3696	3976	28adc5b934f4ad42bcb9099b25e17632.exe	86
PID 3976 wrote to memory of 3696	3976	28adc5b934f4ad42bcb9099b25e17632.exe	86
PID 3976 wrote to memory of 3696	3976	28adc5b934f4ad42bcb9099b25e17632.exe	86
PID 3976 wrote to memory of 1828	3976	28adc5b934f4ad42bcb9099b25e17632.exe	90
PID 3976 wrote to memory of 1828	3976	28adc5b934f4ad42bcb9099b25e17632.exe	90
PID 3976 wrote to memory of 1828	3976	28adc5b934f4ad42bcb9099b25e17632.exe	90

C:\Users\Admin\AppData\Local\Temp\28adc5b934f4ad42bcb9099b25e17632.exe
"C:\Users\Admin\AppData\Local\Temp\28adc5b934f4ad42bcb9099b25e17632.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3976
- 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:3696
- 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:1828

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:4468

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:4580

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

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Downloads

OfficeTrackerNMP131.exe

Path C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe
Size 1.5MB
SHA256 a7d39dd9ddff6083843f1d5a8fb75023bf62ea1687aac447062d64193af9fb86
MD5 28adc5b934f4ad42bcb9099b25e17632
SHA1 d5290e45af1267990dac0964bcf09a7c6ff69577
SHA512 ecade7cbef2e94d23a08b8fbb5798fa339fe8033344767bc58a612fcf11e292c46b0aa804b051ad62a977fc27f1408852fdc1d0b36207a7fc08d21f927a8f0f2
SSDEEP 24576:2opGDjnvrPpkjos0OtjcFc5kM49dj+IuxWQOIjuJuVvhbqL0HtFcgekRP9dT0WBI:OnvrPGT0Egyudc4tI3bqL0NFchaP9dTO
MD5 SHA1 SHA512 SSDEEP

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads