Malware Analysis Report

2024-12-08 01:38

Sample ID 240428-bmydbadb2y
Target 9da06de178863cc711517ea9fbbca36c9bd95040e9a2e696c28de37f39e3b85b
SHA256 9da06de178863cc711517ea9fbbca36c9bd95040e9a2e696c28de37f39e3b85b
Tags
sectoprat stealc discovery rat spyware stealer trojan
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

9da06de178863cc711517ea9fbbca36c9bd95040e9a2e696c28de37f39e3b85b

Threat Level: Known bad

The file 9da06de178863cc711517ea9fbbca36c9bd95040e9a2e696c28de37f39e3b85b was found to be: Known bad.

Malicious Activity Summary

sectoprat stealc discovery rat spyware stealer trojan

SectopRAT payload

SectopRAT

Stealc

Downloads MZ/PE file

Checks computer location settings

Reads data files stored by FTP clients

Executes dropped EXE

Reads user/profile data of web browsers

Loads dropped DLL

Checks installed software on the system

Accesses cryptocurrency files/wallets, possible credential harvesting

Suspicious use of SetThreadContext

Program crash

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-28 01:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-28 01:16

Reported

2024-04-28 01:18

Platform

win10v2004-20240426-en

Max time kernel

120s

Max time network

114s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9da06de178863cc711517ea9fbbca36c9bd95040e9a2e696c28de37f39e3b85b.exe"

Signatures

SectopRAT

trojan rat sectoprat

SectopRAT payload

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

Stealc

stealer stealc

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\9da06de178863cc711517ea9fbbca36c9bd95040e9a2e696c28de37f39e3b85b.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\u2uc.0.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\u2uc.2\run.exe N/A

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Checks installed software on the system

discovery

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4888 set thread context of 4900 N/A C:\Users\Admin\AppData\Local\Temp\u2uc.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 4900 set thread context of 4848 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\u2uc.0.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\u2uc.0.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\u2uc.2\run.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\u2uc.2\run.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\u2uc.2\run.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3684 wrote to memory of 1608 N/A C:\Users\Admin\AppData\Local\Temp\9da06de178863cc711517ea9fbbca36c9bd95040e9a2e696c28de37f39e3b85b.exe C:\Users\Admin\AppData\Local\Temp\u2uc.0.exe
PID 3684 wrote to memory of 1608 N/A C:\Users\Admin\AppData\Local\Temp\9da06de178863cc711517ea9fbbca36c9bd95040e9a2e696c28de37f39e3b85b.exe C:\Users\Admin\AppData\Local\Temp\u2uc.0.exe
PID 3684 wrote to memory of 1608 N/A C:\Users\Admin\AppData\Local\Temp\9da06de178863cc711517ea9fbbca36c9bd95040e9a2e696c28de37f39e3b85b.exe C:\Users\Admin\AppData\Local\Temp\u2uc.0.exe
PID 3684 wrote to memory of 4888 N/A C:\Users\Admin\AppData\Local\Temp\9da06de178863cc711517ea9fbbca36c9bd95040e9a2e696c28de37f39e3b85b.exe C:\Users\Admin\AppData\Local\Temp\u2uc.2\run.exe
PID 3684 wrote to memory of 4888 N/A C:\Users\Admin\AppData\Local\Temp\9da06de178863cc711517ea9fbbca36c9bd95040e9a2e696c28de37f39e3b85b.exe C:\Users\Admin\AppData\Local\Temp\u2uc.2\run.exe
PID 3684 wrote to memory of 4888 N/A C:\Users\Admin\AppData\Local\Temp\9da06de178863cc711517ea9fbbca36c9bd95040e9a2e696c28de37f39e3b85b.exe C:\Users\Admin\AppData\Local\Temp\u2uc.2\run.exe
PID 4888 wrote to memory of 4900 N/A C:\Users\Admin\AppData\Local\Temp\u2uc.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 4888 wrote to memory of 4900 N/A C:\Users\Admin\AppData\Local\Temp\u2uc.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 4888 wrote to memory of 4900 N/A C:\Users\Admin\AppData\Local\Temp\u2uc.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 4888 wrote to memory of 4900 N/A C:\Users\Admin\AppData\Local\Temp\u2uc.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 4900 wrote to memory of 4848 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 4900 wrote to memory of 4848 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 4900 wrote to memory of 4848 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 4900 wrote to memory of 4848 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 4900 wrote to memory of 4848 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9da06de178863cc711517ea9fbbca36c9bd95040e9a2e696c28de37f39e3b85b.exe

"C:\Users\Admin\AppData\Local\Temp\9da06de178863cc711517ea9fbbca36c9bd95040e9a2e696c28de37f39e3b85b.exe"

C:\Users\Admin\AppData\Local\Temp\u2uc.0.exe

"C:\Users\Admin\AppData\Local\Temp\u2uc.0.exe"

C:\Users\Admin\AppData\Local\Temp\u2uc.2\run.exe

"C:\Users\Admin\AppData\Local\Temp\u2uc.2\run.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3684 -ip 3684

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3684 -s 1572

C:\Windows\SysWOW64\cmd.exe

C:\Windows\SysWOW64\cmd.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1608 -ip 1608

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1608 -s 2416

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

Network

Country Destination Domain Proto
DE 185.172.128.228:80 185.172.128.228 tcp
DE 185.172.128.203:80 185.172.128.203 tcp
US 8.8.8.8:53 228.128.172.185.in-addr.arpa udp
US 8.8.8.8:53 note.padd.cn.com udp
RO 176.97.76.106:80 note.padd.cn.com tcp
DE 185.172.128.76:80 185.172.128.76 tcp
US 8.8.8.8:53 203.128.172.185.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 76.128.172.185.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 106.76.97.176.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 133.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
RU 91.215.85.66:15647 tcp
US 8.8.8.8:53 66.85.215.91.in-addr.arpa udp
RU 91.215.85.66:9000 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/3684-1-0x0000000001C90000-0x0000000001D90000-memory.dmp

memory/3684-2-0x0000000003530000-0x000000000359D000-memory.dmp

memory/3684-3-0x0000000000400000-0x0000000001A3C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\u2uc.0.exe

MD5 2ff02a230388a96b3762a5d12eef74b5
SHA1 9a53bacfeaa9c4d9cc2521424c9512fb1ef66bc2
SHA256 74b45e62fedd53688e8db6ebf12c6a21ad5c2968fa6b4edcfbdc2e9b185f7443
SHA512 30227a39ac06547cfdd34bb06c7099292c842e68b2220b9b1be7ddf3992456f3bf027cd77660e8071f310a88afc441193c2967eb873846d92681f04e0e9fa119

memory/1608-14-0x0000000001A60000-0x0000000001A87000-memory.dmp

memory/1608-13-0x0000000001CC0000-0x0000000001DC0000-memory.dmp

memory/1608-15-0x0000000000400000-0x0000000001A18000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\u2uc.1.zip

MD5 78d3ca6355c93c72b494bb6a498bf639
SHA1 2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e
SHA256 a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
SHA512 1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

memory/1608-49-0x0000000061E00000-0x0000000061EF3000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\u2uc.2\run.exe

MD5 9fb4770ced09aae3b437c1c6eb6d7334
SHA1 fe54b31b0db8665aa5b22bed147e8295afc88a03
SHA256 a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
SHA512 140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

C:\Users\Admin\AppData\Local\Temp\u2uc.2\relay.dll

MD5 10d51becd0bbce0fab147ff9658c565e
SHA1 4689a18112ff876d3c066bc8c14a08fd6b7b7a4a
SHA256 7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
SHA512 29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

C:\Users\Admin\AppData\Local\Temp\u2uc.2\whale.dbf

MD5 a723bf46048e0bfb15b8d77d7a648c3e
SHA1 8952d3c34e9341e4425571e10f22b782695bb915
SHA256 b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
SHA512 ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

C:\Users\Admin\AppData\Local\Temp\u2uc.2\bunch.dat

MD5 1e8237d3028ab52821d69099e0954f97
SHA1 30a6ae353adda0c471c6ed5b7a2458b07185abf2
SHA256 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
SHA512 a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

memory/4888-140-0x0000000073030000-0x00000000731AB000-memory.dmp

memory/4888-141-0x00007FFD1D070000-0x00007FFD1D265000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\u2uc.2\UIxMarketPlugin.dll

MD5 d1ba9412e78bfc98074c5d724a1a87d6
SHA1 0572f98d78fb0b366b5a086c2a74cc68b771d368
SHA256 cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
SHA512 8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

memory/3684-154-0x0000000000400000-0x0000000001A3C000-memory.dmp

C:\ProgramData\nss3.dll

MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

C:\ProgramData\mozglue.dll

MD5 c8fd9be83bc728cc04beffafc2907fe9
SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

memory/4888-181-0x0000000073030000-0x00000000731AB000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\94887efb

MD5 ce334f6f7d990e07461d3211f3a87926
SHA1 5d1e652f0a4bf11e09c6cf5f3e957e683017456b
SHA256 d5512110b08e5a43dae13f8ffef5a45bf11ed442b1341412323b2327aafeac54
SHA512 24c69aa6b94616b449e36f3e6efd9249bee817af3b3d52a199881fb28647a13ffaf7ef680a75d97f5b251e6c3346447ca626dd45cccb351e1caa11ceb98f6331

C:\ProgramData\Are.docx

MD5 a33e5b189842c5867f46566bdbf7a095
SHA1 e1c06359f6a76da90d19e8fd95e79c832edb3196
SHA256 5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
SHA512 f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

memory/1608-193-0x0000000000400000-0x0000000001A18000-memory.dmp

memory/1608-194-0x0000000000400000-0x0000000001A18000-memory.dmp

memory/4900-195-0x00007FFD1D070000-0x00007FFD1D265000-memory.dmp

memory/4900-197-0x0000000073030000-0x00000000731AB000-memory.dmp

memory/4848-199-0x0000000073DA0000-0x0000000074FF4000-memory.dmp

memory/4848-202-0x0000000000C00000-0x0000000000CC6000-memory.dmp

memory/4848-203-0x00000000052B0000-0x0000000005342000-memory.dmp

memory/4848-204-0x0000000005900000-0x0000000005EA4000-memory.dmp

memory/4848-205-0x0000000005630000-0x00000000057F2000-memory.dmp

memory/4848-206-0x00000000053D0000-0x0000000005446000-memory.dmp

memory/4848-207-0x0000000005460000-0x00000000054B0000-memory.dmp

memory/4848-208-0x0000000005350000-0x000000000535A000-memory.dmp

memory/4848-209-0x00000000064E0000-0x0000000006A0C000-memory.dmp

memory/4848-210-0x0000000006040000-0x000000000605E000-memory.dmp

memory/4848-211-0x0000000006130000-0x0000000006196000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpCE1E.tmp

MD5 42c395b8db48b6ce3d34c301d1eba9d5
SHA1 b7cfa3de344814bec105391663c0df4a74310996
SHA256 5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d
SHA512 7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

C:\Users\Admin\AppData\Local\Temp\tmpCE41.tmp

MD5 49693267e0adbcd119f9f5e02adf3a80
SHA1 3ba3d7f89b8ad195ca82c92737e960e1f2b349df
SHA256 d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f
SHA512 b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

memory/4848-230-0x0000000007A00000-0x0000000007A0A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-28 01:16

Reported

2024-04-28 01:18

Platform

win11-20240419-en

Max time kernel

42s

Max time network

58s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9da06de178863cc711517ea9fbbca36c9bd95040e9a2e696c28de37f39e3b85b.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9da06de178863cc711517ea9fbbca36c9bd95040e9a2e696c28de37f39e3b85b.exe

"C:\Users\Admin\AppData\Local\Temp\9da06de178863cc711517ea9fbbca36c9bd95040e9a2e696c28de37f39e3b85b.exe"

Network

Country Destination Domain Proto
DE 185.172.128.228:80 tcp
DE 185.172.128.203:80 tcp

Files

memory/4388-2-0x0000000003750000-0x00000000037BD000-memory.dmp

memory/4388-1-0x0000000001C60000-0x0000000001D60000-memory.dmp

memory/4388-3-0x0000000000400000-0x0000000001A3C000-memory.dmp

memory/4388-5-0x0000000001C60000-0x0000000001D60000-memory.dmp

memory/4388-6-0x0000000000400000-0x0000000001A3C000-memory.dmp

memory/4388-9-0x0000000000400000-0x0000000001A3C000-memory.dmp