61e8a6986054ecb15e8bd50024f287d7b6de48bf1d441e498c4cb6ae84510e73

Analysis

max time kernel
106s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
14/11/2023, 09:49

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General

Target

NEAS.01a442772726bef4566a19e37ebffa67.exe
Size

584KB
MD5

01a442772726bef4566a19e37ebffa67
SHA1

04a57bc521dc70f13e4eeb6dc9cfa5d6804f50da
SHA256

61e8a6986054ecb15e8bd50024f287d7b6de48bf1d441e498c4cb6ae84510e73
SHA512

c3b380f4b28274967f83c3de86559c68985fc17627432f6732bbeff886133c66e8cc82c8cf60dabca548c990b24190929cb9588502680e3498a4bb2d84ed67b8
SSDEEP

12288:0eK/0cw2eEBIeHab2nyee8eqqqSNY+AVQ9Z3qZeqJtZegee9aE:k/Rw2vyeaee8ejqyUaqZeqJtZegee9T

Score

8^/10

persistence upx

Malware Config

Signatures

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\spools.exe	NEAS.01a442772726bef4566a19e37ebffa67.exe
File opened for modification	C:\Windows\SysWOW64\drivers\spools.exe	NEAS.01a442772726bef4566a19e37ebffa67.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Schedule\ImagePath = "C:\\Windows\\system32\\drivers\\spools.exe"	NEAS.01a442772726bef4566a19e37ebffa67.exe

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\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*"	NEAS.01a442772726bef4566a19e37ebffa67.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2736-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/files/0x0008000000022e23-5.dat	upx
behavioral2/memory/2736-9-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	NEAS.01a442772726bef4566a19e37ebffa67.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	NEAS.01a442772726bef4566a19e37ebffa67.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe"	NEAS.01a442772726bef4566a19e37ebffa67.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe"	NEAS.01a442772726bef4566a19e37ebffa67.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*"	NEAS.01a442772726bef4566a19e37ebffa67.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.01a442772726bef4566a19e37ebffa67.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.01a442772726bef4566a19e37ebffa67.exe"
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Modifies system executable filetype association
- Adds Run key to start application
- Modifies registry class
PID:2736

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

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

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Downloads

C:\Windows\SysWOW64\drivers\spools.exe

Filesize
595KB

MD5
582a9228b6b192647b0e2b3fe56a6461

SHA1
85c355091a42eaa3c2cf836a7be05f0e82ffbe86

SHA256
0937382dd777a360efd4728d81664a44248a3e1f630411266f68444fd1444f3c

SHA512
bce2a77f0caa9ee9b379f406c082899a9944a438f81ffa35d2ef70a4520c6dd2d7eb7959f8a19af903c2bd7a1f4974d731218b2895d8c92ffa52739d838ff011

Download Submit
memory/2736-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2736-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads