Malware Analysis Report

2024-11-16 13:44

Sample ID 240607-x1bx5adc76
Target c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f
SHA256 c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f
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

c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f

Threat Level: Known bad

The file c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Detect Vidar Stealer

Stealc

Vidar

Downloads MZ/PE file

Reads user/profile data of web browsers

Executes dropped EXE

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

2024-06-07 19:18

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-07 19:18

Reported

2024-06-07 19:21

Platform

win10v2004-20240426-en

Max time kernel

92s

Max time network

94s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.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\kat493E.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 1328 set thread context of 3284 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat493E.tmp

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat493E.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat493E.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat493E.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1328 wrote to memory of 3284 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat493E.tmp
PID 1328 wrote to memory of 3284 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat493E.tmp
PID 1328 wrote to memory of 3284 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat493E.tmp
PID 1328 wrote to memory of 3284 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat493E.tmp
PID 1328 wrote to memory of 3284 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat493E.tmp
PID 1328 wrote to memory of 3284 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat493E.tmp
PID 1328 wrote to memory of 3284 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat493E.tmp
PID 1328 wrote to memory of 3284 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat493E.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe

"C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe"

C:\Users\Admin\AppData\Local\Temp\kat493E.tmp

C:\Users\Admin\AppData\Local\Temp\kat493E.tmp

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 t.me udp
NL 149.154.167.99:443 t.me tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 18.190.202.116.in-addr.arpa udp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/1328-0-0x0000000000810000-0x0000000000811000-memory.dmp

memory/1328-2-0x00000000029D0000-0x0000000002B33000-memory.dmp

memory/3284-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3284-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1328-9-0x0000000000400000-0x000000000067A000-memory.dmp

memory/3284-10-0x0000000000400000-0x0000000000648000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat493E.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3284-13-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3284-14-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3284-16-0x000000001DBB0000-0x000000001DE0F000-memory.dmp

memory/3284-31-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3284-32-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-07 19:18

Reported

2024-06-07 19:21

Platform

win11-20240508-en

Max time kernel

92s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.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\kat7C06.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 3548 set thread context of 3304 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat7C06.tmp

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\kat7C06.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat7C06.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat7C06.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3548 wrote to memory of 3304 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat7C06.tmp
PID 3548 wrote to memory of 3304 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat7C06.tmp
PID 3548 wrote to memory of 3304 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat7C06.tmp
PID 3548 wrote to memory of 3304 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat7C06.tmp
PID 3548 wrote to memory of 3304 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat7C06.tmp
PID 3548 wrote to memory of 3304 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat7C06.tmp
PID 3548 wrote to memory of 3304 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat7C06.tmp
PID 3548 wrote to memory of 3304 N/A C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe C:\Users\Admin\AppData\Local\Temp\kat7C06.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe

"C:\Users\Admin\AppData\Local\Temp\c6fe30e16142b9b9dc6e2ba76c1210a2aa1948de35db44f1ebc1a13a31ef132f.exe"

C:\Users\Admin\AppData\Local\Temp\kat7C06.tmp

C:\Users\Admin\AppData\Local\Temp\kat7C06.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 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
DE 116.202.190.18:5432 116.202.190.18 tcp
US 52.111.227.14:443 tcp

Files

memory/3548-0-0x0000000000860000-0x0000000000861000-memory.dmp

memory/3548-2-0x0000000002BE0000-0x0000000002D43000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat7C06.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/3304-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3548-10-0x0000000000400000-0x000000000067A000-memory.dmp

memory/3304-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3304-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3304-15-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3304-16-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3304-18-0x000000001B800000-0x000000001BA5F000-memory.dmp

memory/3304-33-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3304-34-0x0000000000400000-0x0000000000648000-memory.dmp