Malware Analysis Report

2024-11-16 13:43

Sample ID 240608-b2xekafc5t
Target 01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c
SHA256 01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c
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

01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c

Threat Level: Known bad

The file 01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c was found to be: Known bad.

Malicious Activity Summary

stealc vidar discovery spyware stealer

Detect Vidar Stealer

Vidar

Stealc

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

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-08 01:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-08 01:38

Reported

2024-06-08 01:41

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.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\kat4C8A.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 380 set thread context of 1992 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.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\kat4C8A.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 380 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp
PID 380 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp
PID 380 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp
PID 380 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp
PID 380 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp
PID 380 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp
PID 380 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp
PID 380 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe

"C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe"

C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp

C:\Users\Admin\AppData\Local\Temp\kat4C8A.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 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.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
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 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.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
DE 116.202.190.18:5432 116.202.190.18 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 137.71.105.51.in-addr.arpa udp

Files

memory/380-0-0x0000000000840000-0x0000000000841000-memory.dmp

memory/380-1-0x0000000002B80000-0x0000000002CE3000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat4C8A.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1992-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/380-10-0x0000000000400000-0x000000000067A000-memory.dmp

memory/1992-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1992-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1992-13-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1992-14-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1992-16-0x000000001B770000-0x000000001B9CF000-memory.dmp

memory/1992-31-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1992-32-0x0000000000400000-0x0000000000648000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-08 01:38

Reported

2024-06-08 01:41

Platform

win11-20240508-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.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\kat4A19.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 3788 set thread context of 1372 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4A19.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\kat4A19.tmp N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat4A19.tmp N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\kat4A19.tmp N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3788 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4A19.tmp
PID 3788 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4A19.tmp
PID 3788 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4A19.tmp
PID 3788 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4A19.tmp
PID 3788 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4A19.tmp
PID 3788 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4A19.tmp
PID 3788 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4A19.tmp
PID 3788 wrote to memory of 1372 N/A C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe C:\Users\Admin\AppData\Local\Temp\kat4A19.tmp

Processes

C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe

"C:\Users\Admin\AppData\Local\Temp\01168d4921b4d1032afa4e595ac97ff34fa17a0de6f1669d9ce874406fd91d3c.exe"

C:\Users\Admin\AppData\Local\Temp\kat4A19.tmp

C:\Users\Admin\AppData\Local\Temp\kat4A19.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 99.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 24.249.124.192.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
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

Files

memory/3788-0-0x00000000023D0000-0x00000000023D1000-memory.dmp

memory/3788-2-0x0000000002BA0000-0x0000000002D03000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\kat4A19.tmp

MD5 66064dbdb70a5eb15ebf3bf65aba254b
SHA1 0284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA256 6a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512 b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f

memory/1372-4-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1372-9-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1372-8-0x0000000000400000-0x0000000000648000-memory.dmp

memory/3788-10-0x0000000000400000-0x000000000067A000-memory.dmp

memory/1372-24-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1372-25-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1372-27-0x000000001B870000-0x000000001BACF000-memory.dmp

memory/1372-42-0x0000000000400000-0x0000000000648000-memory.dmp

memory/1372-43-0x0000000000400000-0x0000000000648000-memory.dmp