4a92f50d48ed6ec72dc8ae9cfdb1d88a169256d22e2abfc20dd72e002e1c9b53

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2023, 04:31

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General

Target
d56a7de1abdca92894e69de7ba27abc5.exe
Size 1.5MB
Sample231203-e5kfyshe3t
SHA256 4a92f50d48ed6ec72dc8ae9cfdb1d88a169256d22e2abfc20dd72e002e1c9b53
MD5 d56a7de1abdca92894e69de7ba27abc5
SHA1 944b80569ad3d81b63a17b7acad33209b7b090fc
SHA512 7998399cd411b5b5fb2b36c7ba8036a00bf26e8d608ad7f9ed45152a78ba6985ef49ab10909e8dbb481a5e25726211dce8bcadaea5fddf4c4ae0a99f2825fae0
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	d56a7de1abdca92894e69de7ba27abc5.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-1-5-21-2013768333-4045878716-2922883000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	d56a7de1abdca92894e69de7ba27abc5.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy	d56a7de1abdca92894e69de7ba27abc5.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	d56a7de1abdca92894e69de7ba27abc5.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	d56a7de1abdca92894e69de7ba27abc5.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	d56a7de1abdca92894e69de7ba27abc5.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
3596	schtasks.exe
804	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3792 wrote to memory of 3596	3792	d56a7de1abdca92894e69de7ba27abc5.exe	88
PID 3792 wrote to memory of 3596	3792	d56a7de1abdca92894e69de7ba27abc5.exe	88
PID 3792 wrote to memory of 3596	3792	d56a7de1abdca92894e69de7ba27abc5.exe	88
PID 3792 wrote to memory of 804	3792	d56a7de1abdca92894e69de7ba27abc5.exe	92
PID 3792 wrote to memory of 804	3792	d56a7de1abdca92894e69de7ba27abc5.exe	92
PID 3792 wrote to memory of 804	3792	d56a7de1abdca92894e69de7ba27abc5.exe	92

C:\Users\Admin\AppData\Local\Temp\d56a7de1abdca92894e69de7ba27abc5.exe
"C:\Users\Admin\AppData\Local\Temp\d56a7de1abdca92894e69de7ba27abc5.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3792
- 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:3596
- 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:804

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
1⤵
PID:4232

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
1⤵
PID:3064

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 4a92f50d48ed6ec72dc8ae9cfdb1d88a169256d22e2abfc20dd72e002e1c9b53
MD5 d56a7de1abdca92894e69de7ba27abc5
SHA1 944b80569ad3d81b63a17b7acad33209b7b090fc
SHA512 7998399cd411b5b5fb2b36c7ba8036a00bf26e8d608ad7f9ed45152a78ba6985ef49ab10909e8dbb481a5e25726211dce8bcadaea5fddf4c4ae0a99f2825fae0
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