Malware Analysis Report

2024-11-16 13:51

Sample ID 240628-gablnswfmr
Target cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23
SHA256 cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23
Tags
stealc vidar discovery 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

cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23

Threat Level: Known bad

The file cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23 was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Stealc

Detect Vidar Stealer

Vidar

Downloads MZ/PE file

Executes dropped EXE

Reads user/profile data of web browsers

Checks installed software on the system

Suspicious use of SetThreadContext

Unsigned PE

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-28 05:35

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-28 05:35

Reported

2024-06-28 05:38

Platform

win10v2004-20240508-en

Max time kernel

93s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.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
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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat4873.tmp N/A

Reads user/profile data of web browsers

spyware stealer

Checks installed software on the system

discovery

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4420 set thread context of 1644 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat4873.tmp

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\kat4873.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat4873.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4420 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat4873.tmp
PID 4420 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat4873.tmp
PID 4420 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat4873.tmp
PID 4420 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat4873.tmp
PID 4420 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat4873.tmp
PID 4420 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat4873.tmp
PID 4420 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat4873.tmp
PID 4420 wrote to memory of 1644 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat4873.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe

"C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe"

C:\Users\Admin\AppData\Local\Temp\kat4873.tmp

C:\Users\Admin\AppData\Local\Temp\kat4873.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 24.249.124.192.in-addr.arpa udp
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
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
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/4420-0-0x0000000000840000-0x0000000000841000-memory.dmp

memory/4420-1-0x00000000040B0000-0x00000000041C0000-memory.dmp

memory/1644-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1644-8-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat4873.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1644-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/4420-9-0x0000000000400000-0x000000000058E000-memory.dmp

memory/1644-22-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1644-23-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1644-25-0x0000000020110000-0x000000002036F000-memory.dmp

memory/1644-40-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1644-41-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-28 05:35

Reported

2024-06-28 05:38

Platform

win11-20240611-en

Max time kernel

93s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.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
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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat5256.tmp N/A

Reads user/profile data of web browsers

spyware stealer

Checks installed software on the system

discovery

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3520 set thread context of 3964 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat5256.tmp

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\kat5256.tmp N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat5256.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3520 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat5256.tmp
PID 3520 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat5256.tmp
PID 3520 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat5256.tmp
PID 3520 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat5256.tmp
PID 3520 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat5256.tmp
PID 3520 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat5256.tmp
PID 3520 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat5256.tmp
PID 3520 wrote to memory of 3964 N/A C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe C:\Users\Admin\AppData\Local\Temp\kat5256.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe

"C:\Users\Admin\AppData\Local\Temp\cebb630b2f96a857ba5a3478ba263702a66a022c22e6d76ecd6f7252c213ac23.exe"

C:\Users\Admin\AppData\Local\Temp\kat5256.tmp

C:\Users\Admin\AppData\Local\Temp\kat5256.tmp

Network

Country Destination Domain Proto
US 8.8.8.8:53 t.me udp
NL 149.154.167.99:443 t.me tcp
DE 195.201.251.214:9000 195.201.251.214 tcp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 41.249.124.192.in-addr.arpa udp
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
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
NL 52.111.243.29:443 tcp

Files

memory/3520-0-0x00000000023F0000-0x00000000023F1000-memory.dmp

memory/3520-2-0x0000000002B00000-0x0000000002C10000-memory.dmp

memory/3964-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3520-9-0x0000000000400000-0x000000000058E000-memory.dmp

memory/3964-10-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3964-4-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat5256.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3964-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3964-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3964-27-0x000000002D120000-0x000000002D37F000-memory.dmp

memory/3964-35-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3964-36-0x0000000000400000-0x0000000000648000-memory.dmp