2554903f7c4f60ae4da51d76be6f122fb659c52ae564b51b4e25c15aa387a082

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 16:26

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General

Target

7c9836391eb08e1cfa33dd1094d2f993.exe
Size

52KB
MD5

7c9836391eb08e1cfa33dd1094d2f993
SHA1

4706caaa9058e37f7f72c5fb648b3156f879304d
SHA256

2554903f7c4f60ae4da51d76be6f122fb659c52ae564b51b4e25c15aa387a082
SHA512

439e19730022ad5f1141a8a476fd04eabc5fc3d92eb40efaae95ee9a1da85fbdf23387deb7878bba1749200cb144645961e289331f112d4992e3126b1972f07f
SSDEEP

768:FiQJYj+Rh7RYN6FncFuOmXplxkIwIDcJvST4cAoolCEd3D:UQJkSh7RYDuOmPw6cJWSonm

Score

7^/10

persistence

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	7c9836391eb08e1cfa33dd1094d2f993.exe

Modifies registry class 2 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	7c9836391eb08e1cfa33dd1094d2f993.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\SysWow64\\notepad.exe %1"	7c9836391eb08e1cfa33dd1094d2f993.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2440	7c9836391eb08e1cfa33dd1094d2f993.exe
2440	7c9836391eb08e1cfa33dd1094d2f993.exe
2440	7c9836391eb08e1cfa33dd1094d2f993.exe
2440	7c9836391eb08e1cfa33dd1094d2f993.exe
2440	7c9836391eb08e1cfa33dd1094d2f993.exe
2440	7c9836391eb08e1cfa33dd1094d2f993.exe
2440	7c9836391eb08e1cfa33dd1094d2f993.exe
2440	7c9836391eb08e1cfa33dd1094d2f993.exe
2440	7c9836391eb08e1cfa33dd1094d2f993.exe
2440	7c9836391eb08e1cfa33dd1094d2f993.exe
2440	7c9836391eb08e1cfa33dd1094d2f993.exe
2440	7c9836391eb08e1cfa33dd1094d2f993.exe
2440	7c9836391eb08e1cfa33dd1094d2f993.exe
2440	7c9836391eb08e1cfa33dd1094d2f993.exe
2440	7c9836391eb08e1cfa33dd1094d2f993.exe
2440	7c9836391eb08e1cfa33dd1094d2f993.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2440	7c9836391eb08e1cfa33dd1094d2f993.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 1068	2440	7c9836391eb08e1cfa33dd1094d2f993.exe	10
PID 2440 wrote to memory of 1068	2440	7c9836391eb08e1cfa33dd1094d2f993.exe	10
PID 2440 wrote to memory of 1068	2440	7c9836391eb08e1cfa33dd1094d2f993.exe	10
PID 2440 wrote to memory of 1068	2440	7c9836391eb08e1cfa33dd1094d2f993.exe	10
PID 2440 wrote to memory of 1068	2440	7c9836391eb08e1cfa33dd1094d2f993.exe	10
PID 2440 wrote to memory of 1068	2440	7c9836391eb08e1cfa33dd1094d2f993.exe	10
PID 2440 wrote to memory of 1068	2440	7c9836391eb08e1cfa33dd1094d2f993.exe	10
PID 2440 wrote to memory of 1068	2440	7c9836391eb08e1cfa33dd1094d2f993.exe	10

C:\Users\Admin\AppData\Local\Temp\7c9836391eb08e1cfa33dd1094d2f993.exe
"C:\Users\Admin\AppData\Local\Temp\7c9836391eb08e1cfa33dd1094d2f993.exe"
1⤵
- Modifies system executable filetype association
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2440

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1068-7-0x00000000025F0000-0x00000000025F3000-memory.dmp

Filesize
12KB

Download
memory/1068-6-0x0000000002DA0000-0x0000000002DBF000-memory.dmp

Filesize
124KB

Download
memory/1068-5-0x0000000002DA0000-0x0000000002DBF000-memory.dmp

Filesize
124KB

Download
memory/1068-4-0x0000000002DA0000-0x0000000002DBF000-memory.dmp

Filesize
124KB

Download
memory/1068-3-0x0000000002DA0000-0x0000000002DBF000-memory.dmp

Filesize
124KB

Download
memory/1068-2-0x0000000002DA0000-0x0000000002DBF000-memory.dmp

Filesize
124KB

Download
memory/1068-1-0x0000000002DA0000-0x0000000002DBF000-memory.dmp

Filesize
124KB

Download
memory/1068-0-0x0000000002DA0000-0x0000000002DBF000-memory.dmp

Filesize
124KB

Download