ed9981e17860c5c68f4e63610b2bea23ec2fd14f6aa64dce59b77fb6b47cb74e

Analysis

max time kernel
27s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 12:20

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General

Target

ed9981e17860c5c68f4e63610b2bea23ec2fd14f6aa64dce59b77fb6b47cb74e.dll
Size

312KB
MD5

2256eaef6b2c21ab4ee463ca36109a61
SHA1

c7f6fa51865f2a9f7f475064642652bb674e79f6
SHA256

ed9981e17860c5c68f4e63610b2bea23ec2fd14f6aa64dce59b77fb6b47cb74e
SHA512

a770b59d8ba6ab5c3d868e1f11cbf6861b8b7b45373f453d1b6a9f80b2452f67c2c5fa6b1dd5d08d005cbb24edfa6d75734093280ccf5de8e00628aa8b663e36
SSDEEP

3072:QhrXgpanqX61IFlHguP4zuuqyJb4KwNf5792xv/XC4lqwkC2L/05BjAZ5IVL1MTn:ErRk6tuXhVGt5BwS1IZ5m9SK9o

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\fsrpknov = "{994EF40D-6316-4BA9-9294-5860B7B5EDBA}"	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{994EF40D-6316-4BA9-9294-5860B7B5EDBA}\InProcServer32\ = "C:\\Windows\\fsrpknov.dll"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{994EF40D-6316-4BA9-9294-5860B7B5EDBA}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{994EF40D-6316-4BA9-9294-5860B7B5EDBA}	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 940 wrote to memory of 1960	940	rundll32.exe	28
PID 940 wrote to memory of 1960	940	rundll32.exe	28
PID 940 wrote to memory of 1960	940	rundll32.exe	28
PID 940 wrote to memory of 1960	940	rundll32.exe	28
PID 940 wrote to memory of 1960	940	rundll32.exe	28
PID 940 wrote to memory of 1960	940	rundll32.exe	28
PID 940 wrote to memory of 1960	940	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed9981e17860c5c68f4e63610b2bea23ec2fd14f6aa64dce59b77fb6b47cb74e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:940
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed9981e17860c5c68f4e63610b2bea23ec2fd14f6aa64dce59b77fb6b47cb74e.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Modifies registry class
  PID:1960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1960-55-0x00000000756B1000-0x00000000756B3000-memory.dmp

Filesize
8KB

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