Malware Analysis Report

2024-10-23 19:40

Sample ID 230909-rz1xzabh79
Target a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe
SHA256 a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38
Tags
phemedrone spyware stealer
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38

Threat Level: Known bad

The file a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe was found to be: Known bad.

Malicious Activity Summary

phemedrone spyware stealer

Phemedrone

Phemedrone family

Reads user/profile data of web browsers

Looks up external IP address via web service

Drops file in System32 directory

Unsigned PE

Program crash

Enumerates system info in registry

Uses Task Scheduler COM API

Checks processor information in registry

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-09 14:38

Signatures

Phemedrone family

phemedrone

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-09 14:38

Reported

2023-09-09 14:41

Platform

win7-20230831-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe"

Signatures

Phemedrone

stealer phemedrone

Reads user/profile data of web browsers

spyware stealer

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe

"C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe"

C:\Windows\system32\wbem\WmiApSrv.exe

C:\Windows\system32\wbem\WmiApSrv.exe

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2076 -s 1712

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp

Files

memory/2076-0-0x00000000013C0000-0x00000000013DC000-memory.dmp

memory/2076-1-0x000007FEF5530000-0x000007FEF5F1C000-memory.dmp

memory/2076-2-0x0000000001340000-0x00000000013C0000-memory.dmp

memory/2076-3-0x000007FEF5530000-0x000007FEF5F1C000-memory.dmp

memory/2076-4-0x0000000001340000-0x00000000013C0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-09 14:38

Reported

2023-09-09 14:41

Platform

win10v2004-20230831-en

Max time kernel

138s

Max time network

144s

Command Line

C:\Windows\System32\svchost.exe -k netsvcs -p

Signatures

Phemedrone

stealer phemedrone

Reads user/profile data of web browsers

spyware stealer

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{9AEF3A36-9741-4ECC-B174-6CA5409B4B6A}.catalogItem C:\Windows\System32\svchost.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Windows\System32\svchost.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\System32\svchost.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\System32\svchost.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Windows\System32\svchost.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Windows\System32\svchost.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe N/A

Uses Task Scheduler COM API

persistence

Processes

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k netsvcs -p

C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe

"C:\Users\Admin\AppData\Local\Temp\a72d37979c90b5850bc50bd063a5da3bfeebea11b2ebecff85f35b7586433f38exe_JC.exe"

C:\Windows\system32\wbem\WmiApSrv.exe

C:\Windows\system32\wbem\WmiApSrv.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.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 8.8.8.8:53 126.179.238.8.in-addr.arpa udp
US 8.8.8.8:53 89.65.42.20.in-addr.arpa udp

Files

memory/2640-0-0x0000000000370000-0x000000000038C000-memory.dmp

memory/2640-1-0x00007FF8514D0000-0x00007FF851F91000-memory.dmp

memory/2640-2-0x000000001B3E0000-0x000000001B3F0000-memory.dmp

memory/2640-10-0x00007FF8514D0000-0x00007FF851F91000-memory.dmp

memory/2640-11-0x000000001B3E0000-0x000000001B3F0000-memory.dmp

memory/2640-13-0x00007FF8514D0000-0x00007FF851F91000-memory.dmp