e089bff514be911e3abcd9c45d35193e91d12b521381a48d6408b2f8359a7d14

Analysis

max time kernel
140s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28-01-2024 02:32

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General

Target

7bea8b8826a210e63595f90dd2f02b1a.exe
Size

139KB
MD5

7bea8b8826a210e63595f90dd2f02b1a
SHA1

7282afb77e54b750cdf4028f2bc3d9919cd4907a
SHA256

e089bff514be911e3abcd9c45d35193e91d12b521381a48d6408b2f8359a7d14
SHA512

0e24e1f918fc80b10b1cf7a84b0c0d23c6228c08a1122aa15ec59175f4ac8422cfef5fd2b7153e9df34f89b9f5777936fa5e3bd6745efabe1cd35d5156ddc0ef
SSDEEP

3072:bxWqPmyFTG1UH55L+37rrgiYP/oX7DotGL2DjxWn:bxWizFTGyH6X8e7z2fxW

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:

7bea8b8826a210e63595f90dd2f02b1a.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Users\\Admin\\AppData\\Roaming\\InetAccelerator\\InetAccelerator.exe,Explorer.exe,"	7bea8b8826a210e63595f90dd2f02b1a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\InetAccelerator.exe,"	7bea8b8826a210e63595f90dd2f02b1a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\ProgramData\\InetAccelerator\\InetAccelerator.exe,C:\\Windows\\system32\\InetAccelerator.exe,"	7bea8b8826a210e63595f90dd2f02b1a.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1532-0-0x0000000000400000-0x000000000045E000-memory.dmp	upx
C:\Users\Admin\AppData\Roaming\InetAccelerator\InetAccelerator.exe	upx
behavioral2/memory/1532-11-0x0000000000400000-0x000000000045E000-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:

7bea8b8826a210e63595f90dd2f02b1a.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\InetAccelerator = "C:\\Windows\\system32\\InetAccelerator.exe"	7bea8b8826a210e63595f90dd2f02b1a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\InetAccelerator. = "C:\\ProgramData\\InetAccelerator\\InetAccelerator.exe"	7bea8b8826a210e63595f90dd2f02b1a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\InetAccelerator = "C:\\Users\\Admin\\AppData\\Roaming\\InetAccelerator\\InetAccelerator.exe"	7bea8b8826a210e63595f90dd2f02b1a.exe

Drops file in System32 directory 2 IoCs

Processes:

7bea8b8826a210e63595f90dd2f02b1a.exe

description	ioc	process
File created	C:\Windows\SysWOW64\InetAccelerator.exe	7bea8b8826a210e63595f90dd2f02b1a.exe
File opened for modification	C:\Windows\SysWOW64\InetAccelerator.exe	7bea8b8826a210e63595f90dd2f02b1a.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:

7bea8b8826a210e63595f90dd2f02b1a.exe

pid	process
1532	7bea8b8826a210e63595f90dd2f02b1a.exe
1532	7bea8b8826a210e63595f90dd2f02b1a.exe
1532	7bea8b8826a210e63595f90dd2f02b1a.exe
1532	7bea8b8826a210e63595f90dd2f02b1a.exe

C:\Users\Admin\AppData\Local\Temp\7bea8b8826a210e63595f90dd2f02b1a.exe
"C:\Users\Admin\AppData\Local\Temp\7bea8b8826a210e63595f90dd2f02b1a.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
PID:1532

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
7bea8b8826a210e63595f90dd2f02b1a

SHA1
7282afb77e54b750cdf4028f2bc3d9919cd4907a

SHA256
e089bff514be911e3abcd9c45d35193e91d12b521381a48d6408b2f8359a7d14

SHA512
0e24e1f918fc80b10b1cf7a84b0c0d23c6228c08a1122aa15ec59175f4ac8422cfef5fd2b7153e9df34f89b9f5777936fa5e3bd6745efabe1cd35d5156ddc0ef

Download Submit
memory/1532-0-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/1532-11-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download