9ed27ccbdaa050be635c9c8ee516bf8e0c764e12269833ee9e155f38a685cc9f

Analysis

max time kernel
194s
max time network
201s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 21:32

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General

Target

9ed27ccbdaa050be635c9c8ee516bf8e0c764e12269833ee9e155f38a685cc9f.exe
Size

956KB
MD5

8b8cb3dc9902acec9c87d510c76e3a15
SHA1

51ffc11bdb171006b9e3a36da223b37a03c6ac9f
SHA256

9ed27ccbdaa050be635c9c8ee516bf8e0c764e12269833ee9e155f38a685cc9f
SHA512

e45921c03c7815027bcad92b75dc7ece9eff8ba07ad686b15054c08421c4b21abfd72b5aa38a56effd51756b31fc82690da8ddb10c28a3f6cbaa687b9f99c653
SSDEEP

24576:BdQ3NcoK2Pu0Q0DtYNwxkX111111111+MUUY:BEeox1DeyxEH

Score

8^/10

evasion persistence

Malware Config

Signatures

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
2032	netsh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	9ed27ccbdaa050be635c9c8ee516bf8e0c764e12269833ee9e155f38a685cc9f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Winexec32 = "C:\\windows\\winexec32.exe"	9ed27ccbdaa050be635c9c8ee516bf8e0c764e12269833ee9e155f38a685cc9f.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\windows\system\win.exe	9ed27ccbdaa050be635c9c8ee516bf8e0c764e12269833ee9e155f38a685cc9f.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4156	9ed27ccbdaa050be635c9c8ee516bf8e0c764e12269833ee9e155f38a685cc9f.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4156 wrote to memory of 2032	4156	9ed27ccbdaa050be635c9c8ee516bf8e0c764e12269833ee9e155f38a685cc9f.exe	80
PID 4156 wrote to memory of 2032	4156	9ed27ccbdaa050be635c9c8ee516bf8e0c764e12269833ee9e155f38a685cc9f.exe	80
PID 4156 wrote to memory of 2032	4156	9ed27ccbdaa050be635c9c8ee516bf8e0c764e12269833ee9e155f38a685cc9f.exe	80

C:\Users\Admin\AppData\Local\Temp\9ed27ccbdaa050be635c9c8ee516bf8e0c764e12269833ee9e155f38a685cc9f.exe
"C:\Users\Admin\AppData\Local\Temp\9ed27ccbdaa050be635c9c8ee516bf8e0c764e12269833ee9e155f38a685cc9f.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:4156
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram C:\windows\system\win.exe RPCCC
  2⤵
  - Modifies Windows Firewall
  PID:2032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

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

C:\windows\system\win.exe

Filesize
956KB

MD5
8b8cb3dc9902acec9c87d510c76e3a15

SHA1
51ffc11bdb171006b9e3a36da223b37a03c6ac9f

SHA256
9ed27ccbdaa050be635c9c8ee516bf8e0c764e12269833ee9e155f38a685cc9f

SHA512
e45921c03c7815027bcad92b75dc7ece9eff8ba07ad686b15054c08421c4b21abfd72b5aa38a56effd51756b31fc82690da8ddb10c28a3f6cbaa687b9f99c653

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