Malware Analysis Report

2025-01-02 12:15

Sample ID 240417-bpdrpahf76
Target cozios Image Logger.exe
SHA256 9c633404d41a3c07f7ea28683ba909ff5dd64f06e6680d0c143c6fdc66ef33a2
Tags
rat default asyncrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9c633404d41a3c07f7ea28683ba909ff5dd64f06e6680d0c143c6fdc66ef33a2

Threat Level: Known bad

The file cozios Image Logger.exe was found to be: Known bad.

Malicious Activity Summary

rat default asyncrat

Async RAT payload

Asyncrat family

AsyncRat

Async RAT payload

Executes dropped EXE

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Delays execution with timeout.exe

Suspicious use of SetWindowsHookEx

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-17 01:18

Signatures

Async RAT payload

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

Asyncrat family

asyncrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-17 01:18

Reported

2024-04-17 01:23

Platform

win10v2004-20240412-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe"

Signatures

AsyncRat

rat asyncrat

Async RAT payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1826666146-2574340311-1877551059-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\image logger.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\system32\schtasks.exe N/A

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\timeout.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\image logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\image logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\image logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\image logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\image logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\image logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\image logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\image logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\image logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\image logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\image logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\image logger.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\image logger.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\image logger.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\image logger.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe

"C:\Users\Admin\AppData\Local\Temp\cozios Image Logger.exe"

C:\Windows\System32\cmd.exe

"C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "image logger" /tr '"C:\Users\Admin\AppData\Roaming\image logger.exe"' & exit

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp62E0.tmp.bat""

C:\Windows\system32\schtasks.exe

schtasks /create /f /sc onlogon /rl highest /tn "image logger" /tr '"C:\Users\Admin\AppData\Roaming\image logger.exe"'

C:\Windows\system32\timeout.exe

timeout 3

C:\Users\Admin\AppData\Roaming\image logger.exe

"C:\Users\Admin\AppData\Roaming\image logger.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
FI 87.100.214.103:4449 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
FI 87.100.214.103:4449 tcp
N/A 127.0.0.144:4449 tcp
N/A 127.0.0.1:4449 tcp
FI 87.100.214.103:4449 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
FI 87.100.214.103:4449 tcp
N/A 127.0.0.144:4449 tcp
N/A 127.0.0.1:4449 tcp
N/A 127.0.0.1:4449 tcp
FI 87.100.214.103:4449 tcp
US 8.8.8.8:53 169.117.168.52.in-addr.arpa udp

Files

memory/3912-0-0x0000000000260000-0x0000000000278000-memory.dmp

memory/3912-2-0x00007FF87E020000-0x00007FF87EAE1000-memory.dmp

memory/3912-3-0x000000001AF70000-0x000000001AF80000-memory.dmp

memory/3912-8-0x00007FF89C410000-0x00007FF89C605000-memory.dmp

memory/3912-9-0x00007FF87E020000-0x00007FF87EAE1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp62E0.tmp.bat

MD5 8ca642c8c66689e178b8f60f31cb6c3b
SHA1 c893914f1d4e43ec174f3d1e921ee1d1158b1e7c
SHA256 880d71437c8761ebf0af5d4289ce458a682b47365dbe1ae119fa0a022beae111
SHA512 41c59ba6884dac1a656c54f02ef4c7b5783a644875088d0b8b4c61bdee1400e05bf36464728fbcb1f573aff1c0702d2d56c0676e0045012f34240ab7b350dc48

C:\Users\Admin\AppData\Roaming\image logger.exe

MD5 9a6f6caca9dd58075c1b428acd8a5f16
SHA1 20b4dcf9b06efad871116eb14d271bf8344e5907
SHA256 9c633404d41a3c07f7ea28683ba909ff5dd64f06e6680d0c143c6fdc66ef33a2
SHA512 ead8ac3ffb6940532e265b273e4f0d0ec8c2187eb60f9da1226f2c94d7129c1d6aff69125f454f62162a4d411e1d33a5f2e17f171e57109ceaf09cec7069a4b7

C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf

MD5 cf759e4c5f14fe3eec41b87ed756cea8
SHA1 c27c796bb3c2fac929359563676f4ba1ffada1f5
SHA256 c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
SHA512 c7f832aee13a5eb36d145f35d4464374a9e12fa2017f3c2257442d67483b35a55eccae7f7729243350125b37033e075efbc2303839fd86b81b9b4dca3626953b

memory/500-15-0x00007FF87E270000-0x00007FF87ED31000-memory.dmp

memory/500-16-0x000000001AFD0000-0x000000001AFE0000-memory.dmp

memory/500-17-0x00007FF87E270000-0x00007FF87ED31000-memory.dmp

memory/500-18-0x000000001AFD0000-0x000000001AFE0000-memory.dmp