Malware Analysis Report

2025-01-02 05:52

Sample ID 240426-bjxmlsgg59
Target 47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483.exe
SHA256 47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483
Tags
stealc stealer sectoprat rat 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

47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483

Threat Level: Known bad

The file 47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483.exe was found to be: Known bad.

Malicious Activity Summary

stealc stealer sectoprat rat trojan

Stealc

SectopRAT

SectopRAT payload

Downloads MZ/PE file

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Suspicious use of SetThreadContext

Unsigned PE

Program crash

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-26 01:11

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-26 01:11

Reported

2024-04-26 01:13

Platform

win7-20240221-en

Max time kernel

141s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483.exe"

Signatures

Stealc

stealer stealc

Downloads MZ/PE file

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\u24s.0.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483.exe

"C:\Users\Admin\AppData\Local\Temp\47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483.exe"

C:\Users\Admin\AppData\Local\Temp\u24s.0.exe

"C:\Users\Admin\AppData\Local\Temp\u24s.0.exe"

Network

Country Destination Domain Proto
DE 185.172.128.90:80 185.172.128.90 tcp
DE 185.172.128.228:80 185.172.128.228 tcp
DE 185.172.128.59:80 185.172.128.59 tcp
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

Files

memory/2764-2-0x0000000000240000-0x00000000002AD000-memory.dmp

memory/2764-1-0x0000000000A10000-0x0000000000B10000-memory.dmp

memory/2764-3-0x0000000000400000-0x0000000000869000-memory.dmp

\Users\Admin\AppData\Local\Temp\u24s.0.exe

MD5 92c44b47adc5e94d871e853a990630b7
SHA1 5a7baf9d065fe9ee4e9e68dafb4f1836c19654ad
SHA256 fd496043352e900780ba0ded51df57cd7ac6507ad916ff46fe2cff52e2b8e720
SHA512 3d8c0a5bb8c33504c44fda7e0e9ebc784b7dd0a30761922cb1858e032dfdc2a4b0cf5cd251c7c9cbb42923b0f24b07242d3fc76501cacaa4da83201c69572e5f

memory/2924-21-0x00000000002C0000-0x00000000002E7000-memory.dmp

memory/2924-20-0x0000000002B90000-0x0000000002C90000-memory.dmp

memory/2924-22-0x0000000000400000-0x0000000002AFD000-memory.dmp

memory/2764-23-0x0000000000400000-0x0000000000869000-memory.dmp

memory/2924-24-0x0000000000400000-0x0000000002AFD000-memory.dmp

memory/2764-25-0x0000000000A10000-0x0000000000B10000-memory.dmp

memory/2764-26-0x0000000000240000-0x00000000002AD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-26 01:11

Reported

2024-04-26 01:13

Platform

win10v2004-20240412-en

Max time kernel

149s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483.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-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483.exe N/A

Executes dropped EXE

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

Loads dropped DLL

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 888 set thread context of 1168 N/A C:\Users\Admin\AppData\Local\Temp\ufg.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 1168 set thread context of 4184 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

Enumerates physical storage devices

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ufg.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\ufg.2\run.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ufg.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 556 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483.exe C:\Users\Admin\AppData\Local\Temp\ufg.0.exe
PID 556 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483.exe C:\Users\Admin\AppData\Local\Temp\ufg.0.exe
PID 556 wrote to memory of 4216 N/A C:\Users\Admin\AppData\Local\Temp\47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483.exe C:\Users\Admin\AppData\Local\Temp\ufg.0.exe
PID 556 wrote to memory of 888 N/A C:\Users\Admin\AppData\Local\Temp\47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483.exe C:\Users\Admin\AppData\Local\Temp\ufg.2\run.exe
PID 556 wrote to memory of 888 N/A C:\Users\Admin\AppData\Local\Temp\47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483.exe C:\Users\Admin\AppData\Local\Temp\ufg.2\run.exe
PID 556 wrote to memory of 888 N/A C:\Users\Admin\AppData\Local\Temp\47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483.exe C:\Users\Admin\AppData\Local\Temp\ufg.2\run.exe
PID 888 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\ufg.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 888 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\ufg.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 888 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\ufg.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 888 wrote to memory of 1168 N/A C:\Users\Admin\AppData\Local\Temp\ufg.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 1168 wrote to memory of 4184 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1168 wrote to memory of 4184 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1168 wrote to memory of 4184 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1168 wrote to memory of 4184 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 1168 wrote to memory of 4184 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

Processes

C:\Users\Admin\AppData\Local\Temp\47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483.exe

"C:\Users\Admin\AppData\Local\Temp\47307dc63a88e7e1ba5eb0230a0ac39092bd5c284896909d5e9f274f47939483.exe"

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

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

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4216 -ip 4216

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 1268

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4216 -ip 4216

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 1304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4216 -ip 4216

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 1336

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

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

C:\Windows\SysWOW64\cmd.exe

C:\Windows\SysWOW64\cmd.exe

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
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 34.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 206.221.208.4.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
DE 185.172.128.90:80 185.172.128.90 tcp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 90.128.172.185.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
DE 185.172.128.228:80 185.172.128.228 tcp
DE 185.172.128.59:80 185.172.128.59 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 228.128.172.185.in-addr.arpa udp
US 8.8.8.8:53 59.128.172.185.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
US 8.8.8.8:53 106.76.97.176.in-addr.arpa udp
DE 185.172.128.76:80 185.172.128.76 tcp
US 8.8.8.8:53 76.128.172.185.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 13.89.179.13:443 tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 153.97.55.23.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 65.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 147.190.18.2.in-addr.arpa udp
DE 185.172.128.228:80 185.172.128.228 tcp
BE 2.17.197.240:80 tcp
US 8.8.8.8:53 98.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 200.121.18.2.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 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 2.18.190.147:80 tcp

Files

memory/556-1-0x0000000000950000-0x0000000000A50000-memory.dmp

memory/556-2-0x00000000024C0000-0x000000000252D000-memory.dmp

memory/556-3-0x0000000000400000-0x0000000000869000-memory.dmp

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

MD5 92c44b47adc5e94d871e853a990630b7
SHA1 5a7baf9d065fe9ee4e9e68dafb4f1836c19654ad
SHA256 fd496043352e900780ba0ded51df57cd7ac6507ad916ff46fe2cff52e2b8e720
SHA512 3d8c0a5bb8c33504c44fda7e0e9ebc784b7dd0a30761922cb1858e032dfdc2a4b0cf5cd251c7c9cbb42923b0f24b07242d3fc76501cacaa4da83201c69572e5f

memory/4216-13-0x0000000002CD0000-0x0000000002DD0000-memory.dmp

memory/4216-14-0x0000000002C80000-0x0000000002CA7000-memory.dmp

memory/4216-15-0x0000000000400000-0x0000000002AFD000-memory.dmp

memory/4216-16-0x0000000000400000-0x0000000002AFD000-memory.dmp

memory/556-17-0x0000000000400000-0x0000000000869000-memory.dmp

memory/556-19-0x00000000024C0000-0x000000000252D000-memory.dmp

memory/556-20-0x0000000000950000-0x0000000000A50000-memory.dmp

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

MD5 78d3ca6355c93c72b494bb6a498bf639
SHA1 2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e
SHA256 a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
SHA512 1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

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

MD5 9fb4770ced09aae3b437c1c6eb6d7334
SHA1 fe54b31b0db8665aa5b22bed147e8295afc88a03
SHA256 a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
SHA512 140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

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

MD5 a723bf46048e0bfb15b8d77d7a648c3e
SHA1 8952d3c34e9341e4425571e10f22b782695bb915
SHA256 b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
SHA512 ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

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

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

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

MD5 1e8237d3028ab52821d69099e0954f97
SHA1 30a6ae353adda0c471c6ed5b7a2458b07185abf2
SHA256 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
SHA512 a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

memory/888-108-0x0000000072780000-0x00000000728FB000-memory.dmp

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

MD5 d1ba9412e78bfc98074c5d724a1a87d6
SHA1 0572f98d78fb0b366b5a086c2a74cc68b771d368
SHA256 cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
SHA512 8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

memory/888-109-0x00007FFC688F0000-0x00007FFC68AE5000-memory.dmp

memory/888-115-0x0000000072780000-0x00000000728FB000-memory.dmp

memory/888-116-0x0000000072780000-0x00000000728FB000-memory.dmp

memory/888-117-0x0000000072780000-0x00000000728FB000-memory.dmp

memory/1168-119-0x0000000072780000-0x00000000728FB000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\68e4bf61

MD5 0afb44386d34aebb22dd2a192469f360
SHA1 243c374cfe20a329173cc1d35c883d753deb20a1
SHA256 6b320634c88b97956709de31033de34506a7f6632c5b959bd995ff21bd690e54
SHA512 882eda1592c75dd6543ea3eabb61506fe9da780726b06e5d2f845fd3729e58588524fde7aa758ed84b0856a163efa5be4e37ebda4a9e9e5701289161d10d8daf

memory/556-121-0x0000000000400000-0x0000000000869000-memory.dmp

memory/1168-122-0x00007FFC688F0000-0x00007FFC68AE5000-memory.dmp

memory/1168-125-0x0000000072780000-0x00000000728FB000-memory.dmp

memory/1168-126-0x0000000072780000-0x00000000728FB000-memory.dmp

memory/1168-128-0x0000000072780000-0x00000000728FB000-memory.dmp

memory/4184-129-0x0000000071250000-0x00000000724A4000-memory.dmp

memory/4184-133-0x0000000000500000-0x00000000005C6000-memory.dmp

memory/4184-134-0x0000000072B60000-0x0000000073310000-memory.dmp

memory/4184-135-0x0000000004C20000-0x0000000004CB2000-memory.dmp

memory/4184-136-0x0000000005270000-0x0000000005814000-memory.dmp

memory/4184-137-0x0000000004B80000-0x0000000004B90000-memory.dmp

memory/4184-138-0x0000000004E90000-0x0000000005052000-memory.dmp

memory/4184-139-0x0000000004CC0000-0x0000000004D36000-memory.dmp

memory/4184-140-0x0000000004D90000-0x0000000004DE0000-memory.dmp

memory/4184-141-0x0000000004B70000-0x0000000004B7A000-memory.dmp

memory/4184-142-0x0000000005E50000-0x000000000637C000-memory.dmp

memory/4184-143-0x0000000005920000-0x000000000593E000-memory.dmp

memory/4184-144-0x0000000005A00000-0x0000000005A66000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmpF162.tmp

MD5 42c395b8db48b6ce3d34c301d1eba9d5
SHA1 b7cfa3de344814bec105391663c0df4a74310996
SHA256 5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d
SHA512 7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

C:\Users\Admin\AppData\Local\Temp\tmpF184.tmp

MD5 49693267e0adbcd119f9f5e02adf3a80
SHA1 3ba3d7f89b8ad195ca82c92737e960e1f2b349df
SHA256 d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f
SHA512 b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

memory/4184-163-0x0000000007230000-0x000000000723A000-memory.dmp

memory/4184-166-0x0000000072B60000-0x0000000073310000-memory.dmp

memory/4184-167-0x0000000004B80000-0x0000000004B90000-memory.dmp