57475a6bdec863b5cbd929d189b8fb5a02ec7db1afc01ff17f60e2c0e2d5c7fa

Resubmissions

29-01-2025 02:57

250129-df4mvsynfz 10

29-01-2025 02:54

250129-deebksyna1 10

Analysis

max time kernel
91s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
29-01-2025 02:57

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Report Analysis Logs

General

Target

fnrp.exe
Size

9.9MB
MD5

abd1a3c383961afc5f82b2a29a3e4413
SHA1

2e980d691733c69d45078eac008073f556dea998
SHA256

46ab139527d540523322f5bf71f3cf65043db157714cd976f2b67ee5a5090830
SHA512

d6bb4a046354d89c57d8a9a1fa0abae1a8b3194f6015064f2faf227f3c75b9f7fcf44dc3b586b5a71adcb0fa6b46ad12a428e7a6b7d08e7f0c9379316b0d56d3
SSDEEP

98304:9ZiVXduEGuFIbZbBZ9aRgUIELWyEXLGg7BDYl+d9q:9ZEuEGxBxaRgUf6fvu+fq

Score

6^/10

persistence

Malware Config

Signatures

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-1-5-21-2410826464-2353372766-2364966905-1000\Software\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe"	fnrp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5016	fnrp.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 5752	5016	fnrp.exe	80
PID 5016 wrote to memory of 5752	5016	fnrp.exe	80

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
5752	attrib.exe

C:\Users\Admin\AppData\Local\Temp\fnrp.exe
"C:\Users\Admin\AppData\Local\Temp\fnrp.exe"
1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5016
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Local\Temp\fnrp.exe
  2⤵
  - Views/modifies file attributes
  PID:5752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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