Malware Analysis Report

2024-10-19 07:06

Sample ID 231225-jx55xahed7
Target ARK_Trainer_v0.9.9.9.exe
SHA256 21a174a42902e4e830e224ea8943c76f1a0730edafa280a99b09b5597c96af95
Tags
marsstealer default 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

21a174a42902e4e830e224ea8943c76f1a0730edafa280a99b09b5597c96af95

Threat Level: Known bad

The file ARK_Trainer_v0.9.9.9.exe was found to be: Known bad.

Malicious Activity Summary

marsstealer default spyware stealer

Mars Stealer

Loads dropped DLL

Reads user/profile data of web browsers

Executes dropped EXE

Checks computer location settings

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-25 08:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-25 08:03

Reported

2023-12-25 08:06

Platform

win7-20231129-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ARK_Trainer_v0.9.9.9.exe"

Signatures

Mars Stealer

stealer marsstealer

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\Start Menu\IWLVPUQF6KMPJ.exe N/A

Reads user/profile data of web browsers

spyware stealer

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\ProgramData\Start Menu\IWLVPUQF6KMPJ.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ARK_Trainer_v0.9.9.9.exe

"C:\Users\Admin\AppData\Local\Temp\ARK_Trainer_v0.9.9.9.exe"

C:\ProgramData\Start Menu\IWLVPUQF6KMPJ.exe

"C:\ProgramData\Start Menu\IWLVPUQF6KMPJ.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 804

Network

Country Destination Domain Proto
US 8.8.8.8:53 moscow-post.ru udp
RU 185.71.67.60:80 moscow-post.ru tcp
US 8.8.8.8:53 www.moscow-post.ru udp
RU 185.71.67.60:80 www.moscow-post.ru tcp
US 8.8.8.8:53 www.moscow-post.su udp
RU 185.71.67.60:80 www.moscow-post.su tcp

Files

memory/1752-0-0x0000000001130000-0x00000000011BE000-memory.dmp

memory/1752-1-0x0000000074060000-0x000000007474E000-memory.dmp

memory/1752-2-0x00000000010E0000-0x0000000001120000-memory.dmp

memory/3000-14-0x0000000000400000-0x000000000043D000-memory.dmp

memory/1752-13-0x0000000074060000-0x000000007474E000-memory.dmp

memory/1752-12-0x0000000000C00000-0x0000000000C3D000-memory.dmp

memory/1752-11-0x0000000000C00000-0x0000000000C3D000-memory.dmp

C:\ProgramData\Microsoft\Windows\Start Menu\IWLVPUQF6KMPJ.exe

MD5 249d7643798c617e309e8c71e3a95eee
SHA1 edd1c277ad7622af6fc287d80cb094811df39cbc
SHA256 3aaf4a21759c804747aa2723f263c2c1766d155064e1dbbcf2a912c23781ff09
SHA512 934a29d5a69348f7371e19a6d80348b7f4e9fd2c76d06b40ae3c82eb6bf5fcf7da895a826ed150d64d9ae27b1b9c1d2193a68703983d929c6381526085667f81

C:\ProgramData\Microsoft\Windows\Start Menu\IWLVPUQF6KMPJ.exe

MD5 5041d4345a924b71f9c12773218df4c5
SHA1 ebb0069cb966d467e200b46e5e22c6f7cf77fb67
SHA256 e265be835410c7af1d86f0a97b926a1feaefc3b9c72ee8414fbbafa7b12ab4e1
SHA512 273f45d2594ae615b9b155b6adc78f1984aa602af0f84d721fd8b3b4852aadd310e2bb8964d514bc451e8b92116c044cb3de15a1c0c073fbd915f3a08f9bd229

\ProgramData\Microsoft\Windows\Start Menu\IWLVPUQF6KMPJ.exe

MD5 ab81b273d009a664727cfdc941c8e67a
SHA1 ebff03cb364fa420a5d69b2e4aa633d264eb7034
SHA256 fbc18ac69e4960abd6b2f79671cb724b6f37d2ed723d9d5f7a515f925ff58f32
SHA512 a05fc819a3fe8ad0723344689e9d5dd4c9296235cfab2945050f20c66d2f15eb336dca4eacedf112b4bc578eb56033d48d46bb23e15fa090bc961a5ff1f855f6

\ProgramData\Microsoft\Windows\Start Menu\IWLVPUQF6KMPJ.exe

MD5 2f8f1d086fd6bfb63a2281df5ae3220f
SHA1 6e2ea45bc04b74addda0cae668005d52c58fa4fd
SHA256 128cb13ec879ef14d50a35bfc0b4e31dea4cf7230f9a6c9254ac5db5ce502305
SHA512 09377493356112275600e522d5fa10f76ba5b3f75588625a6b3c158155de24d660c5785bb052ec545f69bb2cccb145c933352da2dd5e1772b9ab89d82c77d4d2

\ProgramData\Microsoft\Windows\Start Menu\IWLVPUQF6KMPJ.exe

MD5 80ffae827667bd2a86cc1d1b17745ba3
SHA1 dae012b46c61ce189319b7d04a7d405db3f733f2
SHA256 dd9285cabf5ff86f34600c4b947c5cb2d442fed6391b14b52c6f0c94c8fff276
SHA512 4ac4ecbd086bd340879676f2c7d3d83b684f0c3ba688dc9a289910c531b1d90ad67c34fc799c51a65c1339d52533aacaed117eedd847fa024232b882908c9442

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-25 08:03

Reported

2023-12-25 08:06

Platform

win10v2004-20231215-en

Max time kernel

143s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ARK_Trainer_v0.9.9.9.exe"

Signatures

Mars Stealer

stealer marsstealer

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ARK_Trainer_v0.9.9.9.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Adobe\UV6.exe N/A

Reads user/profile data of web browsers

spyware stealer

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Admin\AppData\Roaming\Adobe\UV6.exe

Processes

C:\Users\Admin\AppData\Local\Temp\ARK_Trainer_v0.9.9.9.exe

"C:\Users\Admin\AppData\Local\Temp\ARK_Trainer_v0.9.9.9.exe"

C:\Users\Admin\AppData\Roaming\Adobe\UV6.exe

"C:\Users\Admin\AppData\Roaming\Adobe\UV6.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2052 -ip 2052

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 1384

Network

Country Destination Domain Proto
US 20.231.121.79:80 tcp
US 8.8.8.8:53 2.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 moscow-post.ru udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
RU 185.71.67.60:80 moscow-post.ru tcp
US 8.8.8.8:53 www.moscow-post.ru udp
US 8.8.8.8:53 60.67.71.185.in-addr.arpa udp
RU 185.71.67.60:80 www.moscow-post.ru tcp
US 8.8.8.8:53 www.moscow-post.su udp
RU 185.71.67.60:80 www.moscow-post.su tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 www.microsoft.com udp
US 92.123.241.137:80 www.microsoft.com tcp
US 8.8.8.8:53 137.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/2452-0-0x0000000000DC0000-0x0000000000E4E000-memory.dmp

memory/2452-1-0x0000000074620000-0x0000000074DD0000-memory.dmp

memory/2452-2-0x0000000005720000-0x0000000005730000-memory.dmp

C:\Users\Admin\AppData\Roaming\Adobe\UV6.exe

MD5 d35337fa866aa5257f8ae83ebd058763
SHA1 43aeea752fb472a3abad60302a9f8eb32e526004
SHA256 c23916993c94cc01d3085076bce479a48422b54300a869d0466a39a596486f51
SHA512 33784671253d00bab88c2db23a38cd566016bba00dcc1c03f56534bdfe3601be4b21f98b2642134b2941986dedc491c27e718815627d6c73687b14515f338668

memory/2452-13-0x0000000074620000-0x0000000074DD0000-memory.dmp

memory/2052-12-0x0000000000400000-0x000000000043D000-memory.dmp

C:\Users\Admin\AppData\Roaming\Adobe\UV6.exe

MD5 1d592e36610d0b456b9f028420f51aab
SHA1 7fd896fcdaf27c838e5e060cd15525453ac86672
SHA256 541ac20ebe74cac3869a37ede7cee8001add7c4c1ddc19473b92f8fdd8d1617d
SHA512 a765de52b14465664590c765036a1765b641d565eaf8471ec2337bdc7dfa4850b2e08c97257366996911c68dc06368e40de9b60ae9c690053efce8d361fc79dd

C:\Users\Admin\AppData\Roaming\Adobe\UV6.exe

MD5 f88c882628c41a9707e9ed3af3318d0f
SHA1 f119cb15d41b081de70135e465dd152eb554a266
SHA256 aedfc767377935807e159965b08b1922b9482d06119eb6678511fcb9c0166cb1
SHA512 899d5818ad97f5236149138b122a972cdc25a75314c316d740cd6561f6101b68c6de3288fffe49d07a00a970d8db848c269d45b60618af937deac4f5d4baecd5

memory/2052-15-0x0000000000400000-0x000000000043D000-memory.dmp