c91b1f6d29e8d33385706fbf3968a84f7aa53d4d05743d16bf59ac10ef04f90a

Analysis

max time kernel
149s
max time network
155s
platform
windows10-1703_x64
resource
win10-20231023-en
resource tags

arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system
submitted
26/11/2023, 14:00

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General

Target

c91b1f6d29e8d33385706fbf3968a84f7aa53d4d05743d16bf59ac10ef04f90a.exe
Size

1.5MB
MD5

3b1d82c21229983fcfa9208d447c3fad
SHA1

adaa263b3c67a6c874a3de76f29450e7b82e8774
SHA256

c91b1f6d29e8d33385706fbf3968a84f7aa53d4d05743d16bf59ac10ef04f90a
SHA512

877d96ec4041b4cf80fe5502fd4666df9252001a65d4abbcd297f104c757d8ca1401ce94154c5cca9b49e7583d7bade8b3988a429ea6c9e357078835a2021216
SSDEEP

24576:2opGDjnvrPpkjos0OtjcFc5kM49dj+IuxWQOIjuJuVvhbqL0HtFcgekRP9dT0WNI:OnvrPGT0Egyudc4tI3bqL0NFchaP9dTy

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	c91b1f6d29e8d33385706fbf3968a84f7aa53d4d05743d16bf59ac10ef04f90a.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-1-5-21-2184424523-918736138-622003966-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe"	c91b1f6d29e8d33385706fbf3968a84f7aa53d4d05743d16bf59ac10ef04f90a.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
3440	schtasks.exe
3540	schtasks.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 3440	4600	c91b1f6d29e8d33385706fbf3968a84f7aa53d4d05743d16bf59ac10ef04f90a.exe	71
PID 4600 wrote to memory of 3440	4600	c91b1f6d29e8d33385706fbf3968a84f7aa53d4d05743d16bf59ac10ef04f90a.exe	71
PID 4600 wrote to memory of 3440	4600	c91b1f6d29e8d33385706fbf3968a84f7aa53d4d05743d16bf59ac10ef04f90a.exe	71
PID 4600 wrote to memory of 3540	4600	c91b1f6d29e8d33385706fbf3968a84f7aa53d4d05743d16bf59ac10ef04f90a.exe	73
PID 4600 wrote to memory of 3540	4600	c91b1f6d29e8d33385706fbf3968a84f7aa53d4d05743d16bf59ac10ef04f90a.exe	73
PID 4600 wrote to memory of 3540	4600	c91b1f6d29e8d33385706fbf3968a84f7aa53d4d05743d16bf59ac10ef04f90a.exe	73

C:\Users\Admin\AppData\Local\Temp\c91b1f6d29e8d33385706fbf3968a84f7aa53d4d05743d16bf59ac10ef04f90a.exe
"C:\Users\Admin\AppData\Local\Temp\c91b1f6d29e8d33385706fbf3968a84f7aa53d4d05743d16bf59ac10ef04f90a.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4600
- 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:3440
- 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:3540

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

C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe

Filesize
1.5MB

MD5
3b1d82c21229983fcfa9208d447c3fad

SHA1
adaa263b3c67a6c874a3de76f29450e7b82e8774

SHA256
c91b1f6d29e8d33385706fbf3968a84f7aa53d4d05743d16bf59ac10ef04f90a

SHA512
877d96ec4041b4cf80fe5502fd4666df9252001a65d4abbcd297f104c757d8ca1401ce94154c5cca9b49e7583d7bade8b3988a429ea6c9e357078835a2021216

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads