Malware Analysis Report

2024-12-08 01:44

Sample ID 240426-3gm4yaec78
Target 5c9bc1087288ae32c8273c2eb32b8091e97948e286f92d6395d305b9f99598ef
SHA256 5c9bc1087288ae32c8273c2eb32b8091e97948e286f92d6395d305b9f99598ef
Tags
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

5c9bc1087288ae32c8273c2eb32b8091e97948e286f92d6395d305b9f99598ef

Threat Level: Known bad

The file 5c9bc1087288ae32c8273c2eb32b8091e97948e286f92d6395d305b9f99598ef was found to be: Known bad.

Malicious Activity Summary

sectoprat rat trojan

SectopRAT

SectopRAT payload

Downloads MZ/PE file

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Suspicious use of SetThreadContext

Enumerates physical storage devices

Program crash

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-26 23:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-26 23:29

Reported

2024-04-26 23:31

Platform

win10v2004-20240226-en

Max time kernel

141s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5c9bc1087288ae32c8273c2eb32b8091e97948e286f92d6395d305b9f99598ef.exe"

Signatures

SectopRAT

trojan rat sectoprat

SectopRAT payload

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

Downloads MZ/PE file

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\5c9bc1087288ae32c8273c2eb32b8091e97948e286f92d6395d305b9f99598ef.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\u20s.0.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\u20s.2\run.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\u20s.2\run.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5992 set thread context of 4508 N/A C:\Users\Admin\AppData\Local\Temp\u20s.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 4508 set thread context of 6140 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\u20s.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\u20s.2\run.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\u20s.2\run.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2620 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\5c9bc1087288ae32c8273c2eb32b8091e97948e286f92d6395d305b9f99598ef.exe C:\Users\Admin\AppData\Local\Temp\u20s.0.exe
PID 2620 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\5c9bc1087288ae32c8273c2eb32b8091e97948e286f92d6395d305b9f99598ef.exe C:\Users\Admin\AppData\Local\Temp\u20s.0.exe
PID 2620 wrote to memory of 2728 N/A C:\Users\Admin\AppData\Local\Temp\5c9bc1087288ae32c8273c2eb32b8091e97948e286f92d6395d305b9f99598ef.exe C:\Users\Admin\AppData\Local\Temp\u20s.0.exe
PID 2620 wrote to memory of 5992 N/A C:\Users\Admin\AppData\Local\Temp\5c9bc1087288ae32c8273c2eb32b8091e97948e286f92d6395d305b9f99598ef.exe C:\Users\Admin\AppData\Local\Temp\u20s.2\run.exe
PID 2620 wrote to memory of 5992 N/A C:\Users\Admin\AppData\Local\Temp\5c9bc1087288ae32c8273c2eb32b8091e97948e286f92d6395d305b9f99598ef.exe C:\Users\Admin\AppData\Local\Temp\u20s.2\run.exe
PID 2620 wrote to memory of 5992 N/A C:\Users\Admin\AppData\Local\Temp\5c9bc1087288ae32c8273c2eb32b8091e97948e286f92d6395d305b9f99598ef.exe C:\Users\Admin\AppData\Local\Temp\u20s.2\run.exe
PID 5992 wrote to memory of 4508 N/A C:\Users\Admin\AppData\Local\Temp\u20s.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 5992 wrote to memory of 4508 N/A C:\Users\Admin\AppData\Local\Temp\u20s.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 5992 wrote to memory of 4508 N/A C:\Users\Admin\AppData\Local\Temp\u20s.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 5992 wrote to memory of 4508 N/A C:\Users\Admin\AppData\Local\Temp\u20s.2\run.exe C:\Windows\SysWOW64\cmd.exe
PID 4508 wrote to memory of 6140 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 4508 wrote to memory of 6140 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 4508 wrote to memory of 6140 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 4508 wrote to memory of 6140 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
PID 4508 wrote to memory of 6140 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

Processes

C:\Users\Admin\AppData\Local\Temp\5c9bc1087288ae32c8273c2eb32b8091e97948e286f92d6395d305b9f99598ef.exe

"C:\Users\Admin\AppData\Local\Temp\5c9bc1087288ae32c8273c2eb32b8091e97948e286f92d6395d305b9f99598ef.exe"

C:\Users\Admin\AppData\Local\Temp\u20s.0.exe

"C:\Users\Admin\AppData\Local\Temp\u20s.0.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2728 -ip 2728

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 1116

C:\Users\Admin\AppData\Local\Temp\u20s.2\run.exe

"C:\Users\Admin\AppData\Local\Temp\u20s.2\run.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2620 -ip 2620

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2620 -s 1456

C:\Windows\SysWOW64\cmd.exe

C:\Windows\SysWOW64\cmd.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3904 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8

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

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=3044 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=5048 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:3

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 8.8.8.8:53 203.128.172.185.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.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 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 106.76.97.176.in-addr.arpa udp
DE 185.172.128.111:80 185.172.128.111 tcp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 111.128.172.185.in-addr.arpa udp
GB 142.250.187.202:443 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 151.143.109.104.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
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 104.193.132.51.in-addr.arpa udp

Files

memory/2620-1-0x00000000041B0000-0x00000000042B0000-memory.dmp

memory/2620-2-0x0000000004130000-0x000000000419D000-memory.dmp

memory/2620-3-0x0000000000400000-0x000000000405C000-memory.dmp

memory/2620-5-0x0000000000400000-0x000000000405C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\u20s.0.exe

MD5 2aca40672b2c2e3572c74163400036b5
SHA1 8df75669066e269c877e139a76fb2b73515ef8e1
SHA256 a4d80d247976d2bbab7301228a92a2bb58377cf77612d59ec1a297372e20a669
SHA512 10342acf88d30a743c68732c1cd76927455efa877a11afea03a31cef633c4d51bbfd51b2422f23375f14bd7923a74d593637c3f203bd22f6b96757b7f6df589a

C:\Users\Admin\AppData\Local\Temp\u20s.1.zip

MD5 78d3ca6355c93c72b494bb6a498bf639
SHA1 2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e
SHA256 a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
SHA512 1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

C:\Users\Admin\AppData\Local\Temp\u20s.2\run.exe

MD5 9fb4770ced09aae3b437c1c6eb6d7334
SHA1 fe54b31b0db8665aa5b22bed147e8295afc88a03
SHA256 a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
SHA512 140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

C:\Users\Admin\AppData\Local\Temp\u20s.2\relay.dll

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

C:\Users\Admin\AppData\Local\Temp\u20s.2\whale.dbf

MD5 a723bf46048e0bfb15b8d77d7a648c3e
SHA1 8952d3c34e9341e4425571e10f22b782695bb915
SHA256 b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
SHA512 ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

C:\Users\Admin\AppData\Local\Temp\u20s.2\bunch.dat

MD5 1e8237d3028ab52821d69099e0954f97
SHA1 30a6ae353adda0c471c6ed5b7a2458b07185abf2
SHA256 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
SHA512 a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

memory/5992-99-0x0000000072BF0000-0x0000000072D6B000-memory.dmp

memory/5992-100-0x00007FFDA2A10000-0x00007FFDA2C05000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\u20s.2\UIxMarketPlugin.dll

MD5 d1ba9412e78bfc98074c5d724a1a87d6
SHA1 0572f98d78fb0b366b5a086c2a74cc68b771d368
SHA256 cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
SHA512 8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

memory/2620-107-0x0000000004130000-0x000000000419D000-memory.dmp

memory/2620-106-0x0000000000400000-0x000000000405C000-memory.dmp

memory/2728-109-0x0000000000400000-0x0000000004038000-memory.dmp

memory/5992-110-0x0000000072BF0000-0x0000000072D6B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\37df2a79

MD5 8aa40745dedc305c494f192576cdb610
SHA1 9f2671687fd0704d6cd3a1e5daf9d3b9f4c6f539
SHA256 2399d69ef3cb311f2b98e98953bf15dec9e07d3deb8978d9ce2a9de02ebc56ec
SHA512 103a09db9943c1be74aef8b82f05f66da0317ac819bec3aee9e0a117a6844ac12760d40953a580e31783be77d49c2cf25d026e3d2b765db94a520ba229cc22be

memory/4508-113-0x00007FFDA2A10000-0x00007FFDA2C05000-memory.dmp

memory/4508-115-0x0000000072BF0000-0x0000000072D6B000-memory.dmp

memory/6140-117-0x0000000073B40000-0x0000000074D94000-memory.dmp

memory/6140-120-0x0000000000D00000-0x0000000000DC6000-memory.dmp

memory/6140-121-0x0000000005370000-0x0000000005402000-memory.dmp

memory/6140-122-0x00000000059C0000-0x0000000005F64000-memory.dmp

memory/6140-123-0x0000000005650000-0x0000000005812000-memory.dmp

memory/6140-124-0x0000000005500000-0x0000000005576000-memory.dmp

memory/6140-125-0x0000000005580000-0x00000000055D0000-memory.dmp

memory/6140-126-0x0000000005360000-0x000000000536A000-memory.dmp

memory/6140-127-0x00000000065A0000-0x0000000006ACC000-memory.dmp

memory/6140-128-0x00000000060F0000-0x000000000610E000-memory.dmp

memory/6140-129-0x00000000061E0000-0x0000000006246000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp16F.tmp

MD5 c9ff7748d8fcef4cf84a5501e996a641
SHA1 02867e5010f62f97ebb0cfb32cb3ede9449fe0c9
SHA256 4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
SHA512 d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

C:\Users\Admin\AppData\Local\Temp\tmp1421.tmp

MD5 91dbaf73c1a8c55254d90272f998e412
SHA1 2b86b31c8c00c937291e5ac3b1d134a5df959acf
SHA256 0628922305d2478ba75a48efadf932d439616eaf1ff908be334793f7bde28107
SHA512 109f4f59616cc1d1682b4d9468804f7668c77ce1878afec06a57037193f31a9c1c39f5d269277462936373b129d26488cddcc34d455c27185534e7754baaa988

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports

MD5 d751713988987e9331980363e24189ce
SHA1 97d170e1550eee4afc0af065b78cda302a97674c
SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
SHA512 b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries

MD5 20d4b8fa017a12a108c87f540836e250
SHA1 1ac617fac131262b6d3ce1f52f5907e31d5f6f00
SHA256 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
SHA512 507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-26 23:29

Reported

2024-04-26 23:31

Platform

win11-20240419-en

Max time kernel

55s

Max time network

65s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5c9bc1087288ae32c8273c2eb32b8091e97948e286f92d6395d305b9f99598ef.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\5c9bc1087288ae32c8273c2eb32b8091e97948e286f92d6395d305b9f99598ef.exe

"C:\Users\Admin\AppData\Local\Temp\5c9bc1087288ae32c8273c2eb32b8091e97948e286f92d6395d305b9f99598ef.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3476 -ip 3476

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3476 -s 484

Network

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

Files

memory/3476-1-0x00000000041E0000-0x00000000042E0000-memory.dmp

memory/3476-2-0x0000000005C50000-0x0000000005CBD000-memory.dmp

memory/3476-3-0x0000000000400000-0x000000000405C000-memory.dmp

memory/3476-5-0x00000000041E0000-0x00000000042E0000-memory.dmp

memory/3476-6-0x0000000000400000-0x000000000405C000-memory.dmp

memory/3476-9-0x0000000000400000-0x000000000405C000-memory.dmp