Malware Analysis Report

2024-08-06 12:42

Sample ID 240429-wc7t8age79
Target PITON.rar
SHA256 d62b956652d3524b475135df44215e6e30b565402844e5661b3c45b0e5171879
Tags
stealerium collection 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 Overview

score
10/10

SHA256

d62b956652d3524b475135df44215e6e30b565402844e5661b3c45b0e5171879

Threat Level: Known bad

The file PITON.rar was found to be: Known bad.

Malicious Activity Summary

stealerium collection spyware stealer

Stealerium family

Stealerium

Reads user/profile data of web browsers

Legitimate hosting services abused for malware hosting/C2

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Unsigned PE

Suspicious use of WriteProcessMemory

outlook_win_path

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

outlook_office_path

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Unsecured Credentials
T1552
Credentials In Files
T1552.001
Discovery
TA0007
Query Registry
T1012
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Data from Local System
T1005
Email Collection
T1114
Exfiltration
TA0010
Command and Control
TA0011
Web Service
T1102
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-04-29 17:47

Signatures

Stealerium family

stealerium

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-29 17:47

Reported

2024-04-29 17:48

Platform

win10-20240404-en

Max time kernel

55s

Max time network

25s

Command Line

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

Signatures

Stealerium

stealer stealerium

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\build.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\build.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\build.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A icanhazip.com N/A N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\build.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\build.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\build.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\system32\msiexec.exe N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 524 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SysWOW64\cmd.exe
PID 524 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SysWOW64\cmd.exe
PID 524 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SysWOW64\cmd.exe
PID 4160 wrote to memory of 2900 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 4160 wrote to memory of 2900 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 4160 wrote to memory of 2900 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 4160 wrote to memory of 4716 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\netsh.exe
PID 4160 wrote to memory of 4716 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\netsh.exe
PID 4160 wrote to memory of 4716 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\netsh.exe
PID 4160 wrote to memory of 372 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\findstr.exe
PID 4160 wrote to memory of 372 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\findstr.exe
PID 4160 wrote to memory of 372 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\findstr.exe
PID 524 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SysWOW64\cmd.exe
PID 524 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SysWOW64\cmd.exe
PID 524 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\build.exe C:\Windows\SysWOW64\cmd.exe
PID 1644 wrote to memory of 3296 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1644 wrote to memory of 3296 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1644 wrote to memory of 3296 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\chcp.com
PID 1644 wrote to memory of 1440 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\netsh.exe
PID 1644 wrote to memory of 1440 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\netsh.exe
PID 1644 wrote to memory of 1440 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\netsh.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\build.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1687926120-3022217735-1146543763-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\build.exe N/A

Processes

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

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

C:\Windows\SysWOW64\cmd.exe

"cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All

C:\Windows\SysWOW64\chcp.com

chcp 65001

C:\Windows\SysWOW64\netsh.exe

netsh wlan show profile

C:\Windows\SysWOW64\findstr.exe

findstr All

C:\Windows\system32\msiexec.exe

C:\Windows\system32\msiexec.exe /V

C:\Windows\SysWOW64\cmd.exe

"cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid

C:\Windows\SysWOW64\chcp.com

chcp 65001

C:\Windows\SysWOW64\netsh.exe

netsh wlan show networks mode=bssid

Network

Country Destination Domain Proto
US 8.8.8.8:53 discord.com udp
US 162.159.138.232:443 discord.com tcp
US 8.8.8.8:53 232.138.159.162.in-addr.arpa udp
US 8.8.8.8:53 icanhazip.com udp
US 104.16.184.241:80 icanhazip.com tcp
US 8.8.8.8:53 241.184.16.104.in-addr.arpa udp
US 8.8.8.8:53 134.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 evcs-ocsp.ws.symantec.com udp
US 152.199.19.74:80 evcs-ocsp.ws.symantec.com tcp
US 104.16.184.241:80 icanhazip.com tcp
US 8.8.8.8:53 74.19.199.152.in-addr.arpa udp
US 8.8.8.8:53 api.gofile.io udp
FR 51.38.43.18:443 api.gofile.io tcp
US 8.8.8.8:53 store4.gofile.io udp
FR 31.14.70.245:443 store4.gofile.io tcp
US 8.8.8.8:53 18.43.38.51.in-addr.arpa udp
US 8.8.8.8:53 245.70.14.31.in-addr.arpa udp
US 104.16.184.241:80 icanhazip.com tcp
US 162.159.138.232:443 discord.com tcp

Files

memory/524-0-0x0000000000840000-0x00000000009D2000-memory.dmp

memory/524-1-0x0000000073430000-0x0000000073B1E000-memory.dmp

memory/524-2-0x0000000005210000-0x0000000005276000-memory.dmp

memory/524-3-0x0000000005200000-0x0000000005210000-memory.dmp

memory/524-7-0x0000000005750000-0x00000000057E2000-memory.dmp

memory/524-8-0x00000000057E0000-0x0000000005806000-memory.dmp

memory/524-9-0x0000000005810000-0x0000000005818000-memory.dmp

memory/524-10-0x00000000066D0000-0x00000000066DA000-memory.dmp

memory/524-11-0x00000000066E0000-0x00000000066E8000-memory.dmp

memory/524-12-0x0000000006700000-0x000000000671E000-memory.dmp

C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\Admin@DFZPKZRM_en-US\Browsers\Firefox\Bookmarks.txt

MD5 2e9d094dda5cdc3ce6519f75943a4ff4
SHA1 5d989b4ac8b699781681fe75ed9ef98191a5096c
SHA256 c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142
SHA512 d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

memory/524-53-0x0000000006D60000-0x0000000006DF2000-memory.dmp

memory/524-60-0x00000000076D0000-0x0000000007BCE000-memory.dmp

C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\Admin@DFZPKZRM_en-US\System\Process.txt

MD5 4942ec00a5c6bf353b755a72e83ffa20
SHA1 f7ef031f3c55705d0d9ce1eafc42448a85113584
SHA256 a791833d84df69333d123b25ac6416a24b3bf4da0b28720491e535b2aaa35913
SHA512 5c5b399caef5faa861a06875383938a7f117a2fc5d0a592df82ee76ca89c07f42f98e7299ab47db5f9a949ec4005b97a994915f09e65e75b531fed9a52b3a63d

C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\Admin@DFZPKZRM_en-US\System\Apps.txt

MD5 2640460603b8200f9cb24cd01275174f
SHA1 cd39498cba3d4f4742039a1091731f74db2fa9c0
SHA256 94f5ec486f4b2387c004fac0cfc5012c120cb7190c370ed09639056c10c5afcb
SHA512 e65173b4cc98aaaf92cc0e2b5446e1854a45253ab0a8e133a1c85a0cfc95beaac6842af432d61accbf9a193f1f711f6dced6a26d699ff1ee21e27ffbc74d6c62

memory/524-163-0x00000000067E0000-0x000000000685A000-memory.dmp

C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\Admin@DFZPKZRM_en-US\Directories\OneDrive.txt

MD5 966247eb3ee749e21597d73c4176bd52
SHA1 1e9e63c2872cef8f015d4b888eb9f81b00a35c79
SHA256 8ddfc481b1b6ae30815ecce8a73755862f24b3bb7fdebdbf099e037d53eb082e
SHA512 bd30aec68c070e86e3dec787ed26dd3d6b7d33d83e43cb2d50f9e2cff779fee4c96afbbe170443bd62874073a844beb29a69b10c72c54d7d444a8d86cfd7b5aa

C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\Admin@DFZPKZRM_en-US\Directories\Startup.txt

MD5 68c93da4981d591704cea7b71cebfb97
SHA1 fd0f8d97463cd33892cc828b4ad04e03fc014fa6
SHA256 889ed51f9c16a4b989bda57957d3e132b1a9c117ee84e208207f2fa208a59483
SHA512 63455c726b55f2d4de87147a75ff04f2daa35278183969ccf185d23707840dd84363bec20d4e8c56252196ce555001ca0e61b3f4887d27577081fdef9e946402

C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\Admin@DFZPKZRM_en-US\Directories\Videos.txt

MD5 1fddbf1169b6c75898b86e7e24bc7c1f
SHA1 d2091060cb5191ff70eb99c0088c182e80c20f8c
SHA256 a67aa329b7d878de61671e18cd2f4b011d11cbac67ea779818c6dafad2d70733
SHA512 20bfeafde7fec1753fef59de467bd4a3dd7fe627e8c44e95fe62b065a5768c4508e886ec5d898e911a28cf6365f455c9ab1ebe2386d17a76f53037f99061fd4d

C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\Admin@DFZPKZRM_en-US\System\Debug.txt

MD5 64fd9ce6b9a15ea61b20b8e41cf51373
SHA1 6d1f272ae5cc5a0d972f0d2da329886dd38a8320
SHA256 547425f2a867faada45d99f74200d171dc782f234446eb55f7487f1260db4c06
SHA512 c5cffac3193c8d34970fa7c85916d2df8feab13da99f27ac699763be7d0fe4d4a3772ebfa350ee9d61c42fe7c0a860867f13067bd0504176c6621b0ce9a2c3af

C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\Admin@DFZPKZRM_en-US\System\ProductKey.txt

MD5 71eb5479298c7afc6d126fa04d2a9bde
SHA1 a9b3d5505cf9f84bb6c2be2acece53cb40075113
SHA256 f6cadfd4e4c25ff3b8cffe54a2af24a757a349abbf4e1142ec4c9789347fe8b3
SHA512 7c6687e21d31ec1d6d2eff04b07b465f875fd80df26677f1506b14158444cf55044eb6674880bd5bd44f04ff73023b26cb19b8837427a1d6655c96df52f140bd

memory/524-232-0x0000000006A00000-0x0000000006AB2000-memory.dmp

memory/524-234-0x0000000006980000-0x00000000069A2000-memory.dmp

memory/524-235-0x0000000007DD0000-0x0000000008120000-memory.dmp

memory/524-237-0x0000000073430000-0x0000000073B1E000-memory.dmp

C:\Users\Admin\AppData\Local\05c346571b0f85e8f8a87e8dac30ab22\msgid.dat

MD5 ca87e6a70aaa7e455b2802022dcafd72
SHA1 92d493f5112b8e81e8c2fd77b324d63184d6ef0e
SHA256 328e9350cca15b090acf17a79384e9d2d09e813546caad2db7b0a7da87bda303
SHA512 e1257c628729138a8f8ebd7a547d93123c39c38bee5e00a2e90e75d4362aff5b87df0ac2f371492fbf95d03836aaaee5549ae507c2fd1af5cb859f19f89f6b88

memory/524-248-0x00000000071B0000-0x00000000071BA000-memory.dmp

memory/524-249-0x0000000005200000-0x0000000005210000-memory.dmp