Malware Analysis Report

2024-08-06 14:54

Sample ID 240628-vlttaazfkk
Target system.exe
SHA256 1af12da85652a16a3b4b42aabe905ce35ae4784586d06a33859753d5e89d6c22
Tags
phemedrone spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

1af12da85652a16a3b4b42aabe905ce35ae4784586d06a33859753d5e89d6c22

Threat Level: Known bad

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

Malicious Activity Summary

phemedrone spyware stealer

Phemedrone family

Phemedrone

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Modifies system certificate store

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Subvert Trust Controls
T1553
Install Root Certificate
T1553.004
Modify Registry
T1112
Credential Access
TA0006
Unsecured Credentials
T1552
Credentials In Files
T1552.001
Discovery
TA0007
Lateral Movement
TA0008
Collection
TA0009
Data from Local System
T1005
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-28 17:05

Signatures

Phemedrone family

phemedrone

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-28 17:05

Reported

2024-06-28 17:07

Platform

win7-20240611-en

Max time kernel

121s

Max time network

122s

Command Line

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

Signatures

Phemedrone

stealer phemedrone

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 C:\Users\Admin\AppData\Local\Temp\system.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 C:\Users\Admin\AppData\Local\Temp\system.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1868 wrote to memory of 1824 N/A C:\Users\Admin\AppData\Local\Temp\system.exe C:\Windows\system32\WerFault.exe
PID 1868 wrote to memory of 1824 N/A C:\Users\Admin\AppData\Local\Temp\system.exe C:\Windows\system32\WerFault.exe
PID 1868 wrote to memory of 1824 N/A C:\Users\Admin\AppData\Local\Temp\system.exe C:\Windows\system32\WerFault.exe

Processes

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

"C:\Users\Admin\AppData\Local\Temp\system.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 1868 -s 536

Network

Country Destination Domain Proto
US 8.8.8.8:53 get.geojs.io udp
US 104.26.0.100:443 get.geojs.io tcp
US 8.8.8.8:53 apps.identrust.com udp
NL 23.63.101.171:80 apps.identrust.com tcp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp

Files

memory/1868-0-0x000007FEF5203000-0x000007FEF5204000-memory.dmp

memory/1868-1-0x00000000013A0000-0x00000000013C0000-memory.dmp

memory/1868-2-0x000007FEF5200000-0x000007FEF5BEC000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab23E7.tmp

MD5 2d3dcf90f6c99f47e7593ea250c9e749
SHA1 51be82be4a272669983313565b4940d4b1385237
SHA256 8714e7be9f9b6de26673d9d09bd4c9f41b1b27ae10b1d56a7ad83abd7430ebd4
SHA512 9c11dd7d448ffebe2167acde37be77d42175edacf5aaf6fb31d3bdfe6bb1f63f5fdbc9a0a2125ed9d5ce0529b6b548818c8021532e1ea6b324717cc9bec0aaa5

memory/1868-35-0x000007FEF5203000-0x000007FEF5204000-memory.dmp

memory/1868-36-0x000007FEF5200000-0x000007FEF5BEC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-28 17:05

Reported

2024-06-28 17:07

Platform

win10v2004-20240508-en

Max time kernel

92s

Max time network

94s

Command Line

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

Signatures

Phemedrone

stealer phemedrone

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 get.geojs.io udp
US 104.26.0.100:443 get.geojs.io tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 100.0.26.104.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.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 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp

Files

memory/1864-0-0x00007FFAD9F93000-0x00007FFAD9F95000-memory.dmp

memory/1864-1-0x000001A407A00000-0x000001A407A20000-memory.dmp

memory/1864-2-0x00007FFAD9F90000-0x00007FFADAA51000-memory.dmp

memory/1864-4-0x00007FFAD9F90000-0x00007FFADAA51000-memory.dmp