Malware Analysis Report

2024-10-19 02:13

Sample ID 231230-2gk4xafac8
Target 1e90790e7d177d29fc32f926a419c534
SHA256 859b840ac0113845859e79c66583996665f246ccc6f3ebfe419e2e07e8f515cc
Tags
vidar 706 stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

859b840ac0113845859e79c66583996665f246ccc6f3ebfe419e2e07e8f515cc

Threat Level: Known bad

The file 1e90790e7d177d29fc32f926a419c534 was found to be: Known bad.

Malicious Activity Summary

vidar 706 stealer

Vidar

Vidar Stealer

Program crash

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-30 22:33

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-30 22:33

Reported

2024-01-04 17:30

Platform

win10v2004-20231222-en

Max time kernel

148s

Max time network

101s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1e90790e7d177d29fc32f926a419c534.exe"

Signatures

Vidar

stealer vidar

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

Processes

C:\Users\Admin\AppData\Local\Temp\1e90790e7d177d29fc32f926a419c534.exe

"C:\Users\Admin\AppData\Local\Temp\1e90790e7d177d29fc32f926a419c534.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2712 -ip 2712

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 1584

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
US 8.8.8.8:53 1.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 202.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 eduarroma.tumblr.com udp
US 74.114.154.18:443 eduarroma.tumblr.com tcp
US 8.8.8.8:53 23.149.64.172.in-addr.arpa udp
US 8.8.8.8:53 18.154.114.74.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 233.38.18.104.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 182.245.100.95.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 183.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 51.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 58.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 17.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 66.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
US 8.8.8.8:53 udp
N/A 20.223.36.55:443 tcp
N/A 20.223.36.55:443 tcp
N/A 20.223.36.55:443 tcp
GB 88.221.135.80:80 tcp
US 8.8.8.8:53 udp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
US 8.8.8.8:53 udp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
US 204.79.197.200:443 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
GB 88.221.135.80:80 tcp
US 8.8.8.8:53 udp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp
US 8.8.8.8:53 udp
N/A 88.221.134.33:80 tcp
N/A 88.221.134.33:80 tcp

Files

memory/2712-2-0x0000000004150000-0x00000000041ED000-memory.dmp

memory/2712-1-0x0000000002570000-0x0000000002670000-memory.dmp

memory/2712-3-0x0000000000400000-0x0000000002400000-memory.dmp

memory/2712-14-0x0000000004150000-0x00000000041ED000-memory.dmp

memory/2712-13-0x0000000000400000-0x0000000002400000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-30 22:33

Reported

2024-01-04 17:30

Platform

win7-20231129-en

Max time kernel

9s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1e90790e7d177d29fc32f926a419c534.exe"

Signatures

Vidar

stealer vidar

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

Processes

C:\Users\Admin\AppData\Local\Temp\1e90790e7d177d29fc32f926a419c534.exe

"C:\Users\Admin\AppData\Local\Temp\1e90790e7d177d29fc32f926a419c534.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 880

Network

Country Destination Domain Proto
US 8.8.8.8:53 eduarroma.tumblr.com udp
US 74.114.154.18:443 eduarroma.tumblr.com tcp
US 8.8.8.8:53 www.microsoft.com udp

Files

memory/2212-2-0x0000000000290000-0x000000000032D000-memory.dmp

memory/2212-1-0x0000000002860000-0x0000000002960000-memory.dmp

memory/2212-3-0x0000000000400000-0x0000000002400000-memory.dmp

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

MD5 ac05d27423a85adc1622c714f2cb6184
SHA1 b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA512 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

C:\Users\Admin\AppData\Local\Temp\Tar2B69.tmp

MD5 ece7150c2acdb783e5d2c06c811f5631
SHA1 57bd522da2fc53de8031a2eedcf53cfe3f874344
SHA256 c609ddc356ad3775a8d4562e950186a78e65b7838358d75f23fb95c450bdee4b
SHA512 a1759e2dc9494cdae9748d87d2ab8964d35063fb1555048bac77d83d82e43ff8d0342459e4f3668bac7ec7f0483ee93d981085098bb7dcdec2adaa26d4ed8843

memory/2212-43-0x0000000000400000-0x0000000002400000-memory.dmp

memory/2212-63-0x0000000002860000-0x0000000002960000-memory.dmp

memory/2212-65-0x0000000000290000-0x000000000032D000-memory.dmp