Malware Analysis Report

2024-12-08 02:32

Sample ID 230808-te38psfc9w
Target F.I.S.TTrainer_JC.exe
SHA256 3ede22d7876473b896473266b5d67a8ce4077286fcbd24ecc2a0396ec61da99f
Tags
r77
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

3ede22d7876473b896473266b5d67a8ce4077286fcbd24ecc2a0396ec61da99f

Threat Level: Known bad

The file F.I.S.TTrainer_JC.exe was found to be: Known bad.

Malicious Activity Summary

r77

R77 family

r77 rootkit payload

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-08-08 15:59

Signatures

R77 family

r77

r77 rootkit payload

Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-08-08 15:59

Reported

2023-08-08 16:01

Platform

win7-20230712-en

Max time kernel

122s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\F.I.S.TTrainer_JC.exe"

Signatures

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\F.I.S.TTrainer_JC.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\F.I.S.TTrainer_JC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\F.I.S.TTrainer_JC.exe

"C:\Users\Admin\AppData\Local\Temp\F.I.S.TTrainer_JC.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2584 -s 868

Network

N/A

Files

memory/2584-54-0x00000000003F0000-0x000000000042E000-memory.dmp

memory/2584-55-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp

memory/2584-56-0x000000001B040000-0x000000001B0C0000-memory.dmp

memory/2584-57-0x000000001B040000-0x000000001B0C0000-memory.dmp

memory/2584-58-0x000000001B040000-0x000000001B0C0000-memory.dmp

memory/2584-59-0x000000001B040000-0x000000001B0C0000-memory.dmp

memory/2584-63-0x000000001B040000-0x000000001B0C0000-memory.dmp

memory/2584-64-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp

memory/2584-65-0x000000001B040000-0x000000001B0C0000-memory.dmp

memory/2584-66-0x000000001B040000-0x000000001B0C0000-memory.dmp

memory/2584-67-0x000000001B040000-0x000000001B0C0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-08-08 15:59

Reported

2023-08-08 16:01

Platform

win10v2004-20230703-en

Max time kernel

142s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\F.I.S.TTrainer_JC.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\F.I.S.TTrainer_JC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\F.I.S.TTrainer_JC.exe

"C:\Users\Admin\AppData\Local\Temp\F.I.S.TTrainer_JC.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -pss -s 420 -p 1228 -ip 1228

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1228 -s 1180

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -pss -s 516 -p 1228 -ip 1228

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1228 -s 1180

Network

Country Destination Domain Proto
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 254.133.241.8.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 86.8.109.52.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 88.65.42.20.in-addr.arpa udp

Files

memory/1228-133-0x00007FFC85B60000-0x00007FFC86621000-memory.dmp

memory/1228-135-0x0000021138FB0000-0x0000021138FC0000-memory.dmp

memory/1228-134-0x0000021138FB0000-0x0000021138FC0000-memory.dmp

memory/1228-136-0x0000021138FB0000-0x0000021138FC0000-memory.dmp

memory/1228-137-0x0000021138FB0000-0x0000021138FC0000-memory.dmp

memory/1228-138-0x00007FFC85B60000-0x00007FFC86621000-memory.dmp