Malware Analysis Report

2024-11-16 13:45

Sample ID 240628-skftxsvfjb
Target file.ZIP
SHA256 83d63b96073af07804a73c76da2241a8cfc2fa8bb01fd0a82bdc2a10ba7d2964
Tags
stealc vidar discovery evasion spyware stealer trojan
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

83d63b96073af07804a73c76da2241a8cfc2fa8bb01fd0a82bdc2a10ba7d2964

Threat Level: Known bad

The file file.ZIP was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery evasion spyware stealer trojan

Stealc

Vidar

Detect Vidar Stealer

Downloads MZ/PE file

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Checks whether UAC is enabled

Suspicious use of SetThreadContext

Enumerates physical storage devices

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-28 15:11

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-28 15:10

Reported

2024-06-28 15:25

Platform

win10v2004-20240611-en

Max time kernel

595s

Max time network

458s

Command Line

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

Signatures

Detect Vidar Stealer

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

Stealc

stealer stealc

Vidar

stealer vidar

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\VIDA.au3 N/A

Executes dropped EXE

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

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\Setup.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4140 set thread context of 1040 N/A C:\Users\Admin\AppData\Roaming\nodealt\JRWeb.exe C:\Windows\SysWOW64\more.com

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\VIDA.au3 N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\VIDA.au3 N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\nodealt\JRWeb.exe N/A
N/A N/A C:\Windows\SysWOW64\more.com N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\VIDA.au3 N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4840 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\Setup.exe C:\Users\Admin\AppData\Local\Temp\nodealt\JRWeb.exe
PID 4840 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\Setup.exe C:\Users\Admin\AppData\Local\Temp\nodealt\JRWeb.exe
PID 1644 wrote to memory of 4140 N/A C:\Users\Admin\AppData\Local\Temp\nodealt\JRWeb.exe C:\Users\Admin\AppData\Roaming\nodealt\JRWeb.exe
PID 1644 wrote to memory of 4140 N/A C:\Users\Admin\AppData\Local\Temp\nodealt\JRWeb.exe C:\Users\Admin\AppData\Roaming\nodealt\JRWeb.exe
PID 4140 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Roaming\nodealt\JRWeb.exe C:\Windows\SysWOW64\more.com
PID 4140 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Roaming\nodealt\JRWeb.exe C:\Windows\SysWOW64\more.com
PID 4140 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Roaming\nodealt\JRWeb.exe C:\Windows\SysWOW64\more.com
PID 4140 wrote to memory of 1040 N/A C:\Users\Admin\AppData\Roaming\nodealt\JRWeb.exe C:\Windows\SysWOW64\more.com
PID 1040 wrote to memory of 4664 N/A C:\Windows\SysWOW64\more.com C:\Users\Admin\AppData\Local\Temp\VIDA.au3
PID 1040 wrote to memory of 4664 N/A C:\Windows\SysWOW64\more.com C:\Users\Admin\AppData\Local\Temp\VIDA.au3
PID 1040 wrote to memory of 4664 N/A C:\Windows\SysWOW64\more.com C:\Users\Admin\AppData\Local\Temp\VIDA.au3
PID 1040 wrote to memory of 4664 N/A C:\Windows\SysWOW64\more.com C:\Users\Admin\AppData\Local\Temp\VIDA.au3
PID 1040 wrote to memory of 4664 N/A C:\Windows\SysWOW64\more.com C:\Users\Admin\AppData\Local\Temp\VIDA.au3
PID 1040 wrote to memory of 4664 N/A C:\Windows\SysWOW64\more.com C:\Users\Admin\AppData\Local\Temp\VIDA.au3

Processes

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

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

C:\Users\Admin\AppData\Local\Temp\nodealt\JRWeb.exe

C:\Users\Admin\AppData\Local\Temp\nodealt\JRWeb.exe

C:\Users\Admin\AppData\Roaming\nodealt\JRWeb.exe

C:\Users\Admin\AppData\Roaming\nodealt\JRWeb.exe

C:\Windows\SysWOW64\more.com

C:\Windows\SysWOW64\more.com

C:\Users\Admin\AppData\Local\Temp\VIDA.au3

C:\Users\Admin\AppData\Local\Temp\VIDA.au3

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.155:443 www.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 155.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 214.251.201.195.in-addr.arpa udp
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 professionalresources.pw udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 12.173.189.20.in-addr.arpa udp

Files

memory/4840-0-0x00007FF744C20000-0x00007FF745AD1000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\a20ba0ba

MD5 296aee37aa4a381e48dd9b696841c788
SHA1 9d2eb33549f04089179ce4f6b5d7ad05981401d2
SHA256 c43902f540257932cc7e61f782bf3050af5cf0f15632bc76af1e633febf4def1
SHA512 e502eecaa8936c038b53e5ebe747ce188f524a6beebac9144948604870efc9454008220ef9713ebcb2a6943114d3417c04c198c5bc02f88fb5024cbb4274d02a

memory/4840-6-0x00007FFAC4D20000-0x00007FFAC4E92000-memory.dmp

memory/4840-8-0x00007FFAC4D20000-0x00007FFAC4E92000-memory.dmp

memory/4840-17-0x00007FFAC4D20000-0x00007FFAC4E92000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\nodealt\WebView2Loader.dll

MD5 4a99cb402c0d843b61a83015e0d3d731
SHA1 ac59e7722c85fef8050a715e6f4c3a3e5085d98e
SHA256 4ae3f7437a6991db64eac8e5d2fa02e9edce56ad98aaa273006963fed39548a8
SHA512 1eceb6ff5f53a98e61f21c90de9242e46c9607817eeb7ce77f500a5b225e123ac52b357c7729b334063cd8c8b37c2fbe38e76c1a5ee77244b176aa3e08d7eb18

C:\Users\Admin\AppData\Local\Temp\nodealt\perfidy.svg

MD5 d7046da347cd1c24f9af82a326413734
SHA1 a8ecd6cd212e0b866ef9611bf07b6826262da0c4
SHA256 580209f46352f01b832c81a836e72d05819d33502f51bdda6212eefe0b7675d6
SHA512 cd0327dce2c68ee800e204972a88afc30b59e93847a4837fb72ddb2ee0de73e40b8e4450d7f800d50adf239ee0bdf6a1818e21c05677d1893906fc898f59c9de

C:\Users\Admin\AppData\Local\Temp\nodealt\JRWeb.exe

MD5 c047ae13fc1e25bc494b17ca10aa179e
SHA1 e293c7815c0eb8fbc44d60a3e9b27bd91b44b522
SHA256 6c30c8a2e827f48fcfc934dd34fb2cb10acb8747fd11faae085d8ad352c01fbf
SHA512 0cfb96d23b043bcb954cc307f85e5bbc349c0c8a0c6eaa335ea9a8fa19ce65b047f30ed0049562d40880400d4f70e3bb28975d6970f3ae4af6da1ba06e36d48c

memory/4840-16-0x00007FFAC4D38000-0x00007FFAC4D39000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\nodealt\butadiene.wav

MD5 1acf3a2fc94574480aeeaa875c041521
SHA1 7d7c2e2cb200a6d79467ada52b37a4e4aea8d80b
SHA256 5c88b8bbeb0c631f7918c7e2ce9b1b7a90a84504639cf8d589d09c484625c6e2
SHA512 123b7a86e805e80a0b07606450acc474f8a20fa9475034b278043ff4cb049834738d04f8af04347c9e151b2d711f287e767d8d3a395a81ad0fd6b983dea078c5

memory/1644-23-0x00007FFAC4D20000-0x00007FFAC4E92000-memory.dmp

memory/4140-35-0x00007FFAC4D20000-0x00007FFAC4E92000-memory.dmp

memory/4140-36-0x00007FFAC4D20000-0x00007FFAC4E92000-memory.dmp

memory/4840-37-0x00007FFAC4D20000-0x00007FFAC4E92000-memory.dmp

memory/4140-38-0x00007FFAC4D20000-0x00007FFAC4E92000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\a8fa2cd4

MD5 a22859ce03a554ba9275350ed4160187
SHA1 acd78e1d5d441421e6672a4307922219d77f6b0e
SHA256 605687f3b543728042bee39cbebd270b9b09fd2df81537785eff7663187ca48c
SHA512 4988bc6aaa40b699b396aff0fcda6325b92cf2098027158baa337b18e009f218b251e0c1e4fe20eed6b08cf592574506fd2378fbecf53254c7c05fd707fa1b6b

memory/1040-41-0x00007FFAE2410000-0x00007FFAE2605000-memory.dmp

memory/1040-43-0x0000000075270000-0x00000000753EB000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\VIDA.au3

MD5 c56b5f0201a3b3de53e561fe76912bfd
SHA1 2a4062e10a5de813f5688221dbeb3f3ff33eb417
SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
SHA512 195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

memory/4664-50-0x0000000001400000-0x0000000001649000-memory.dmp

memory/4664-51-0x00007FFAE2410000-0x00007FFAE2605000-memory.dmp

memory/4664-52-0x0000000001400000-0x0000000001649000-memory.dmp

memory/4664-56-0x000000001D7B0000-0x000000001DA0F000-memory.dmp

memory/4664-70-0x0000000001400000-0x0000000001649000-memory.dmp

memory/4664-97-0x0000000001400000-0x0000000001649000-memory.dmp