d3922882bfee49abb72584b9d5918f3787221fa40b7f552c98d7bc0e55833234

Analysis

max time kernel
143s
max time network
145s
platform
windows10_x64
resource
win10v200430
submitted
07-07-2020 06:24

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General

Target

TwitchTool.bin.exe
Size

601KB
MD5

9f7767588a1b1437461fffa851c96d3c
SHA1

e43fb2d6cec21d2da1f5dd82a6c450dcd3e18fc0
SHA256

d3922882bfee49abb72584b9d5918f3787221fa40b7f552c98d7bc0e55833234
SHA512

40f7bb6399faec990c818bfdd9413121a630a14d927a0809e2e2c0e6620e7f5b4d4d65cb8e267d236fba90b7f2bc944dc3296138ef0747eab40e488eb3243e6e

Score

8^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

TwitchTool.bin.exeWin32.exe

description	pid	process	target process
PID 2564 wrote to memory of 2236	2564	TwitchTool.bin.exe	schtasks.exe
PID 2564 wrote to memory of 2236	2564	TwitchTool.bin.exe	schtasks.exe
PID 2564 wrote to memory of 584	2564	TwitchTool.bin.exe	Win32.exe
PID 2564 wrote to memory of 584	2564	TwitchTool.bin.exe	Win32.exe
PID 584 wrote to memory of 860	584	Win32.exe	schtasks.exe
PID 584 wrote to memory of 860	584	Win32.exe	schtasks.exe

Executes dropped EXE 1 IoCs

Processes:

Win32.exe

pid process

584 Win32.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Win32.exe

pid process

584 Win32.exe
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2236 schtasks.exe
860 schtasks.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

TwitchTool.bin.exeWin32.exe

description pid process

Token: SeDebugPrivilege 2564 TwitchTool.bin.exe
Token: SeDebugPrivilege 584 Win32.exe

pid	process
584	Win32.exe

pid	process
584	Win32.exe

pid	process
2236	schtasks.exe
860	schtasks.exe

description	pid	process
Token: SeDebugPrivilege	2564	TwitchTool.bin.exe
Token: SeDebugPrivilege	584	Win32.exe

C:\Users\Admin\AppData\Local\Temp\TwitchTool.bin.exe
"C:\Users\Admin\AppData\Local\Temp\TwitchTool.bin.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
PID:2564

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Win32" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\TwitchTool.bin.exe" /rl HIGHEST /f
2⤵
- Creates scheduled task(s)
PID:2236

C:\Users\Admin\AppData\Roaming\SubDir\Win32.exe
"C:\Users\Admin\AppData\Roaming\SubDir\Win32.exe"
2⤵
- Suspicious use of WriteProcessMemory
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of AdjustPrivilegeToken
PID:584

C:\Windows\SYSTEM32\schtasks.exe
"schtasks" /create /tn "Win32" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Win32.exe" /rl HIGHEST /f
3⤵
- Creates scheduled task(s)
PID:860

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\SubDir\Win32.exe

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C:\Users\Admin\AppData\Roaming\SubDir\Win32.exe

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memory/584-1-0x0000000000000000-mapping.dmp

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memory/860-4-0x0000000000000000-mapping.dmp

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memory/2236-0-0x0000000000000000-mapping.dmp

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