Malware Analysis Report

2024-12-08 02:26

Sample ID 230416-et418agh69
Target a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122
SHA256 a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122
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

a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122

Threat Level: Known bad

The file a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122 was found to be: Known bad.

Malicious Activity Summary

r77

R77 family

r77 rootkit payload

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-04-16 04:14

Signatures

R77 family

r77

r77 rootkit payload

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-04-16 04:14

Reported

2023-04-16 04:17

Platform

win7-20230220-en

Max time kernel

150s

Max time network

107s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe"

Signatures

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe

"C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 flingtrainer.com udp
US 172.67.177.160:443 flingtrainer.com tcp
US 172.67.177.160:443 flingtrainer.com tcp

Files

memory/1108-56-0x0000000002400000-0x0000000002434000-memory.dmp

memory/1108-59-0x000000001B150000-0x000000001B1D0000-memory.dmp

memory/1108-60-0x0000000001D90000-0x0000000001D9A000-memory.dmp

memory/1108-61-0x0000000001D90000-0x0000000001D9A000-memory.dmp

memory/1108-62-0x000000001B150000-0x000000001B1D0000-memory.dmp

C:\Users\Admin\AppData\Local\FLiNGTrainer\TrainerSettings.ini

MD5 100ad43a6e39d44013fad7f3aa343e3b
SHA1 dc8050bdee8a74354cb4a2057e4e703e7a460943
SHA256 a7b15ee77dd0db946e7fdbf574889bd30c23fa3d7bff6d509df118595ee14ec5
SHA512 20f9b26416804f917d0642d35de32ccae0849c34bff4eb75c6450b1ee83756f3275850101d7482eb59c78356b1489c2d4db6cd95ae9b72b64d5eeab700d36ba8

memory/1108-89-0x000000001B150000-0x000000001B1D0000-memory.dmp

memory/1108-90-0x0000000001D90000-0x0000000001D9A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-04-16 04:14

Reported

2023-04-16 04:17

Platform

win10v2004-20230220-en

Max time kernel

135s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe"

Signatures

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe

"C:\Users\Admin\AppData\Local\Temp\a2c38035183bd2377ed4baec12f239b676db2431e140236fc2b8b35a3996e122.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -pss -s 464 -p 4768 -ip 4768

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 4768 -s 1656

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 93.184.221.240:80 tcp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 52.152.110.14:443 tcp
FR 51.11.192.49:443 tcp
US 93.184.221.240:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 64.13.109.52.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp

Files

memory/4768-135-0x0000026777260000-0x0000026777294000-memory.dmp

memory/4768-138-0x0000026777E70000-0x0000026777E80000-memory.dmp

memory/4768-139-0x0000026777E70000-0x0000026777E80000-memory.dmp

memory/4768-140-0x0000026777E70000-0x0000026777E80000-memory.dmp

memory/4768-141-0x0000026777E70000-0x0000026777E80000-memory.dmp

memory/4768-142-0x0000026777E20000-0x0000026777E28000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\FLiNGTrainer.tmp

MD5 89be6ada38bfd0694df5f5dbd3901201
SHA1 7a7b4c535fbdb645d6017961941b342f89d1ac68
SHA256 a1d0ea64f13c103d36f27298bc117973224634fba2da416feb0074aa320ff65f
SHA512 02b9144c699e43559ecca88cb0a8ff6314a8cf455cb61dbcd897ca43e0e3293c52b78904cff270c5270fa92e180c86643d98dfd1218a18df4c997542802758a4