f46fd0445aeee43ef552d528451a3365f2b7612d41d82f78cdc828f00abb41c3

Analysis

max time kernel
131s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 06:22

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General

Target

凌云快速打开文件夹/程序快捷方式总集/组策略.lnk
Size

557B
MD5

d25da440bdc01bda79c116d3dc60d047
SHA1

488a9080d24eed071b49823f52afb6b49c006b5b
SHA256

145f6f7c6f545844b6a27fef0bfbda29ef5a985d66a4619fc48a9f0d23fd2fd9
SHA512

5ad42f6870503eab31bf786aba5cb28aea60e76183ed744e61cb6697db1e53f293f24b2200c63db17e251d5117be99764cf67946142a354a5fac4a7980a7f259

Score

7^/10

Malware Config

Signatures

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	cmd.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\GroupPolicy	mmc.exe
File opened for modification	C:\Windows\System32\GroupPolicy\gpt.ini	mmc.exe
File opened for modification	C:\WINDOWS\system32\gpedit.msc	mmc.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000_Classes\Local Settings	cmd.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	1652	mmc.exe
Token: SeIncBasePriorityPrivilege	1652	mmc.exe
Token: 33	1652	mmc.exe
Token: SeIncBasePriorityPrivilege	1652	mmc.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1652	mmc.exe
1652	mmc.exe
1652	mmc.exe
1652	mmc.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 1652	3160	cmd.exe	85
PID 3160 wrote to memory of 1652	3160	cmd.exe	85

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\凌云快速打开文件夹\程序快捷方式总集\组策略.lnk
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3160
- C:\Windows\system32\mmc.exe
  "C:\Windows\system32\mmc.exe" "C:\WINDOWS\system32\gpedit.msc"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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