cee058c4c7585c0c68a5c539d8dd048444721f3d0d02e9bce6077dd7c226c1c8

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2024 04:26

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General

Target

4d54a66058ea3a0431ebb452b153f1ef.exe
Size

139KB
MD5

4d54a66058ea3a0431ebb452b153f1ef
SHA1

ad84dd360a54cddf3c193b107a77036590698a95
SHA256

cee058c4c7585c0c68a5c539d8dd048444721f3d0d02e9bce6077dd7c226c1c8
SHA512

d01a4eaf5c22e1ac2525d82e30c12cc79174a2f3f04a5c39de41d29897fea51cb0b5eac48e70f4d900af1716dc347c1dfc9d4610c976a5e8f960355a6f0e6131
SSDEEP

3072:mxWqPmyFTG1UH55L+37rrgiYP/oX7DotGLhDYxWn:mxWizFTGyH6X8e7zhsxW

Score

10^/10

persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 3 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

4d54a66058ea3a0431ebb452b153f1ef.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\InetAccelerator.exe,"	4d54a66058ea3a0431ebb452b153f1ef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\ProgramData\\InetAccelerator\\InetAccelerator.exe,C:\\Windows\\system32\\InetAccelerator.exe,"	4d54a66058ea3a0431ebb452b153f1ef.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Users\\Admin\\AppData\\Roaming\\InetAccelerator\\InetAccelerator.exe,Explorer.exe,"	4d54a66058ea3a0431ebb452b153f1ef.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1008-0-0x0000000000400000-0x000000000045E000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\InetAccelerator\InetAccelerator.exe	upx
behavioral2/memory/1008-11-0x0000000000400000-0x000000000045E000-memory.dmp	upx

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

4d54a66058ea3a0431ebb452b153f1ef.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\InetAccelerator = "C:\\Windows\\system32\\InetAccelerator.exe"	4d54a66058ea3a0431ebb452b153f1ef.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\InetAccelerator. = "C:\\ProgramData\\InetAccelerator\\InetAccelerator.exe"	4d54a66058ea3a0431ebb452b153f1ef.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\InetAccelerator = "C:\\Users\\Admin\\AppData\\Roaming\\InetAccelerator\\InetAccelerator.exe"	4d54a66058ea3a0431ebb452b153f1ef.exe

Drops file in System32 directory 2 IoCs

Processes:

4d54a66058ea3a0431ebb452b153f1ef.exe

description	ioc	process
File created	C:\Windows\SysWOW64\InetAccelerator.exe	4d54a66058ea3a0431ebb452b153f1ef.exe
File opened for modification	C:\Windows\SysWOW64\InetAccelerator.exe	4d54a66058ea3a0431ebb452b153f1ef.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

4d54a66058ea3a0431ebb452b153f1ef.exe

pid	process
1008	4d54a66058ea3a0431ebb452b153f1ef.exe
1008	4d54a66058ea3a0431ebb452b153f1ef.exe
1008	4d54a66058ea3a0431ebb452b153f1ef.exe
1008	4d54a66058ea3a0431ebb452b153f1ef.exe

C:\Users\Admin\AppData\Local\Temp\4d54a66058ea3a0431ebb452b153f1ef.exe
"C:\Users\Admin\AppData\Local\Temp\4d54a66058ea3a0431ebb452b153f1ef.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
PID:1008

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\InetAccelerator\InetAccelerator.exe
Filesize
139KB

MD5
4d54a66058ea3a0431ebb452b153f1ef

SHA1
ad84dd360a54cddf3c193b107a77036590698a95

SHA256
cee058c4c7585c0c68a5c539d8dd048444721f3d0d02e9bce6077dd7c226c1c8

SHA512
d01a4eaf5c22e1ac2525d82e30c12cc79174a2f3f04a5c39de41d29897fea51cb0b5eac48e70f4d900af1716dc347c1dfc9d4610c976a5e8f960355a6f0e6131

Download Submit
memory/1008-0-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1008-11-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download