Malware Analysis Report

2025-01-02 05:47

Sample ID 240426-zag3kabf32
Target 1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b
SHA256 1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b
Tags
sectoprat discovery 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

1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b

Threat Level: Known bad

The file 1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b was found to be: Known bad.

Malicious Activity Summary

sectoprat discovery rat trojan

SectopRAT

SectopRAT payload

Downloads MZ/PE file

Loads dropped DLL

Executes dropped EXE

Checks installed software on the system

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Program crash

Checks processor information in registry

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: MapViewOfSection

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-26 20:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-26 20:30

Reported

2024-04-26 20:33

Platform

win10v2004-20240419-en

Max time kernel

66s

Max time network

49s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe

"C:\Users\Admin\AppData\Local\Temp\1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2812 -ip 2812

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 720

Network

Country Destination Domain Proto
DE 185.172.128.228:80 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
DE 185.172.128.203:80 tcp
US 8.8.8.8:53 g.bing.com udp

Files

memory/2812-2-0x0000000005BC0000-0x0000000005C2D000-memory.dmp

memory/2812-1-0x0000000004150000-0x0000000004250000-memory.dmp

memory/2812-3-0x0000000000400000-0x0000000004061000-memory.dmp

memory/2812-5-0x0000000004150000-0x0000000004250000-memory.dmp

memory/2812-6-0x0000000000400000-0x0000000004061000-memory.dmp

memory/2812-9-0x0000000000400000-0x0000000004061000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-26 20:30

Reported

2024-04-26 20:33

Platform

win11-20240426-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe"

Signatures

SectopRAT

trojan rat sectoprat

SectopRAT payload

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

Downloads MZ/PE file

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\u2b8.0.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe N/A

Checks installed software on the system

discovery

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2876 set thread context of 3884 N/A C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 3884 set thread context of 3612 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\u2b8.0.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\u2b8.0.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\u2b8.2\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\u2b8.2\run.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\u2b8.2\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 2996 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe C:\Users\Admin\AppData\Local\Temp\u2b8.0.exe
PID 2996 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe C:\Users\Admin\AppData\Local\Temp\u2b8.0.exe
PID 2996 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe C:\Users\Admin\AppData\Local\Temp\u2b8.0.exe
PID 2996 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe
PID 2996 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe
PID 2996 wrote to memory of 2876 N/A C:\Users\Admin\AppData\Local\Temp\1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe
PID 2876 wrote to memory of 3884 N/A C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 2876 wrote to memory of 3884 N/A C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 2876 wrote to memory of 3884 N/A C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 2876 wrote to memory of 3884 N/A C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 3884 wrote to memory of 3612 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 3884 wrote to memory of 3612 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 3884 wrote to memory of 3612 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 3884 wrote to memory of 3612 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 3884 wrote to memory of 3612 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe

"C:\Users\Admin\AppData\Local\Temp\1c602724dba50ac83918d0977379dedfeaeb1bd79ec0825ca9014737e699c63b.exe"

C:\Users\Admin\AppData\Local\Temp\u2b8.0.exe

"C:\Users\Admin\AppData\Local\Temp\u2b8.0.exe"

C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe

"C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2996 -ip 2996

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 1628

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
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
DE 185.172.128.111:80 185.172.128.111 tcp
US 8.8.8.8:53 203.128.172.185.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
RO 176.97.76.106:80 note.padd.cn.com tcp
DE 185.172.128.111:80 185.172.128.111 tcp
RU 91.215.85.66:15647 tcp
RU 91.215.85.66:9000 tcp
DE 185.172.128.111:80 185.172.128.111 tcp
DE 185.172.128.111:80 185.172.128.111 tcp
DE 185.172.128.111:80 185.172.128.111 tcp

Files

memory/2996-2-0x0000000005DB0000-0x0000000005E1D000-memory.dmp

memory/2996-1-0x00000000042D0000-0x00000000043D0000-memory.dmp

memory/2996-3-0x0000000000400000-0x0000000004061000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\u2b8.0.exe

MD5 1427aa25af7a45c5b9916622cf6ebf40
SHA1 705e11a5566fee8f97e1df539317610425325c4e
SHA256 773843d85c034a719c925910c85ca16eeecd515c49acb05ab7381a57a7c53fc7
SHA512 f5619f49f79374f4d65b4cd63b65e626e1488fda15084f88533043deeeaad9eab456d991600b9df159b8303564d1f66474ca81d9e7cbd25bfeede33e5f2dda51

C:\Users\Admin\AppData\Local\Temp\u2b8.1.zip

MD5 78d3ca6355c93c72b494bb6a498bf639
SHA1 2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e
SHA256 a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
SHA512 1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

C:\Users\Admin\AppData\Local\Temp\u2b8.2\run.exe

MD5 9fb4770ced09aae3b437c1c6eb6d7334
SHA1 fe54b31b0db8665aa5b22bed147e8295afc88a03
SHA256 a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
SHA512 140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

C:\Users\Admin\AppData\Local\Temp\u2b8.2\relay.dll

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

C:\Users\Admin\AppData\Local\Temp\u2b8.2\bunch.dat

MD5 1e8237d3028ab52821d69099e0954f97
SHA1 30a6ae353adda0c471c6ed5b7a2458b07185abf2
SHA256 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
SHA512 a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

C:\Users\Admin\AppData\Local\Temp\u2b8.2\whale.dbf

MD5 a723bf46048e0bfb15b8d77d7a648c3e
SHA1 8952d3c34e9341e4425571e10f22b782695bb915
SHA256 b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
SHA512 ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

memory/2876-98-0x0000000072540000-0x00000000726BD000-memory.dmp

memory/2876-99-0x00007FF85AEE0000-0x00007FF85B0E9000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\u2b8.2\UIxMarketPlugin.dll

MD5 d1ba9412e78bfc98074c5d724a1a87d6
SHA1 0572f98d78fb0b366b5a086c2a74cc68b771d368
SHA256 cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
SHA512 8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

memory/2996-106-0x0000000000400000-0x0000000004061000-memory.dmp

memory/2876-107-0x0000000072540000-0x00000000726BD000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\d72d669f

MD5 74ed3b83eb97d305108b25f581edae6c
SHA1 e5423fc3e715ba251c53bd80767edf2c750e4dbc
SHA256 b5caf1128ab5002167db6e9606c8b38616d00dd903218a126d643da8b609f1ed
SHA512 6509789c3f05934eead4293813154ab70be6ff18e9ad56a7cc58351d3af1c1cc9f102d2bce101731c74c151637c48f67fb44940d38546b9ed81d92cf33084676

memory/1924-109-0x0000000000400000-0x000000000403D000-memory.dmp

memory/3884-111-0x00007FF85AEE0000-0x00007FF85B0E9000-memory.dmp

memory/3884-115-0x0000000072540000-0x00000000726BD000-memory.dmp

memory/3612-117-0x0000000070FC0000-0x00000000722D7000-memory.dmp

memory/3612-120-0x0000000000D00000-0x0000000000DC6000-memory.dmp

memory/3612-121-0x0000000005400000-0x0000000005492000-memory.dmp

memory/3612-122-0x0000000005A50000-0x0000000005FF6000-memory.dmp

memory/3612-123-0x0000000005670000-0x0000000005832000-memory.dmp

memory/3612-124-0x0000000005520000-0x0000000005596000-memory.dmp

memory/3612-125-0x00000000055F0000-0x0000000005640000-memory.dmp

memory/1924-126-0x0000000000400000-0x000000000403D000-memory.dmp

memory/3612-127-0x00000000053E0000-0x00000000053EA000-memory.dmp

memory/3612-128-0x0000000006630000-0x0000000006B5C000-memory.dmp

memory/3612-129-0x0000000006100000-0x000000000611E000-memory.dmp

memory/3612-130-0x00000000061C0000-0x0000000006226000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp1BC2.tmp

MD5 42c395b8db48b6ce3d34c301d1eba9d5
SHA1 b7cfa3de344814bec105391663c0df4a74310996
SHA256 5644546ecefc6786c7be5b1a89e935e640963ccd34b130f21baab9370cb9055d
SHA512 7b9214db96e9bec8745b4161a41c4c0520cdda9950f0cd3f12c7744227a25d639d07c0dd68b552cf1e032181c2e4f8297747f27bad6c7447b0f415a86bd82845

C:\Users\Admin\AppData\Local\Temp\tmp1BF4.tmp

MD5 22be08f683bcc01d7a9799bbd2c10041
SHA1 2efb6041cf3d6e67970135e592569c76fc4c41de
SHA256 451c2c0cf3b7cb412a05347c6e75ed8680f0d2e5f2ab0f64cc2436db9309a457
SHA512 0eef192b3d5abe5d2435acf54b42c729c3979e4ad0b73d36666521458043ee7df1e10386bef266d7df9c31db94fb2833152bb2798936cb2082715318ef05d936

memory/3612-151-0x0000000007A90000-0x0000000007A9A000-memory.dmp

memory/1924-152-0x0000000000400000-0x000000000403D000-memory.dmp

memory/1924-155-0x0000000000400000-0x000000000403D000-memory.dmp

memory/1924-158-0x0000000000400000-0x000000000403D000-memory.dmp