Malware Analysis Report

2024-11-13 19:54

Sample ID 230925-n6dt8sef71
Target 79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1
SHA256 79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1
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

79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1

Threat Level: Known bad

The file 79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1 was found to be: Known bad.

Malicious Activity Summary

r77

R77 family

r77 rootkit payload

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-09-25 12:00

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

2023-09-25 12:00

Reported

2023-09-25 12:02

Platform

win7-20230831-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1.exe

"C:\Users\Admin\AppData\Local\Temp\79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1408 -s 1220

Network

N/A

Files

memory/1408-0-0x0000000001CB0000-0x0000000001CEE000-memory.dmp

memory/1408-1-0x000007FEF5840000-0x000007FEF622C000-memory.dmp

memory/1408-2-0x000000001ADB0000-0x000000001AE30000-memory.dmp

memory/1408-3-0x000000001ADB0000-0x000000001AE30000-memory.dmp

memory/1408-4-0x000000001ADB0000-0x000000001AE30000-memory.dmp

memory/1408-5-0x000000001ADB0000-0x000000001AE30000-memory.dmp

memory/1408-9-0x000000001ADB0000-0x000000001AE30000-memory.dmp

memory/1408-10-0x000007FEF5840000-0x000007FEF622C000-memory.dmp

memory/1408-11-0x000000001ADB0000-0x000000001AE30000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-25 12:00

Reported

2023-09-25 12:02

Platform

win10v2004-20230915-en

Max time kernel

150s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1.exe"

Signatures

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1.exe N/A
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N/A N/A C:\Users\Admin\AppData\Local\Temp\79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1.exe

"C:\Users\Admin\AppData\Local\Temp\79c251c4440edcb58f71c36ec9da4bc7a09f957a18906aecff0935a19e6329b1.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 flingtrainer.com udp
US 188.114.96.0:443 flingtrainer.com tcp
US 8.8.8.8:53 x2.c.lencr.org udp
HK 23.42.174.147:80 x2.c.lencr.org tcp
US 8.8.8.8:53 0.96.114.188.in-addr.arpa udp
US 8.8.8.8:53 147.174.42.23.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp

Files

memory/3444-0-0x0000022238D50000-0x0000022238D8E000-memory.dmp

memory/3444-1-0x00007FFC53D40000-0x00007FFC54801000-memory.dmp

memory/3444-2-0x00000222517E0000-0x00000222517F0000-memory.dmp

memory/3444-3-0x00000222517E0000-0x00000222517F0000-memory.dmp

memory/3444-4-0x00000222517E0000-0x00000222517F0000-memory.dmp

memory/3444-5-0x00000222517E0000-0x00000222517F0000-memory.dmp

memory/3444-6-0x00000222517E0000-0x00000222517F0000-memory.dmp

memory/3444-7-0x00000222517E0000-0x00000222517F0000-memory.dmp

memory/3444-20-0x00007FFC53D40000-0x00007FFC54801000-memory.dmp

memory/3444-21-0x00000222517E0000-0x00000222517F0000-memory.dmp

memory/3444-22-0x00000222517E0000-0x00000222517F0000-memory.dmp

memory/3444-23-0x00000222517E0000-0x00000222517F0000-memory.dmp

memory/3444-24-0x00000222517E0000-0x00000222517F0000-memory.dmp

memory/3444-25-0x00000222517E0000-0x00000222517F0000-memory.dmp

memory/3444-26-0x00000222517E0000-0x00000222517F0000-memory.dmp