sectoprat | 7d7cc308f2cd107a42ea8c32e8c06d6b684417a1fa8951072a707a1838a2d3f5

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-04-2024 09:26

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General

Target

4219e5a081c62567d3fb9e490c2a7a3e.exe
Size

456KB
MD5

4219e5a081c62567d3fb9e490c2a7a3e
SHA1

9bca001a792bcb69b87b78e6f8e9d7e214e8655e
SHA256

7d7cc308f2cd107a42ea8c32e8c06d6b684417a1fa8951072a707a1838a2d3f5
SHA512

d94d23ac7060e309fbbe87bd8762f35fdcd516f66e626adf3522bef7c011619eb176441d0f0786765e9bc041644c81fc426ea0c99f9d3f052cb4c684badd04a1
SSDEEP

6144:Hb1m+ZBBrVw6UuNeqsGqJJ2hUOWXzt1YyQut4Mq75gQ/l67I2XDihjZd:7c+5vdsGguOt1YyN4MyN/EQZd

Score

10^/10

sectoprat stealc discovery rat stealer trojan

Malware Config

Extracted

Family

stealc

http://185.172.128.76

Attributes

url_path
/8681490a59ad0e34.php

Signatures

SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
trojan rat sectoprat
SectopRAT payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/3540-126-0x0000000000900000-0x00000000009C6000-memory.dmp family_sectoprat
Stealc
Stealc is an infostealer written in C++.
stealer stealc
Downloads MZ/PE file
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

4219e5a081c62567d3fb9e490c2a7a3e.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 4219e5a081c62567d3fb9e490c2a7a3e.exe
Executes dropped EXE 2 IoCs

Processes:

u3vg.0.exerun.exe

pid process

4868 u3vg.0.exe
1764 run.exe
Loads dropped DLL 1 IoCs

Processes:

run.exe

pid process

1764 run.exe
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of SetThreadContext 2 IoCs

Processes:

run.execmd.exe

description pid process target process

PID 1764 set thread context of 4856 1764 run.exe cmd.exe
PID 4856 set thread context of 3540 4856 cmd.exe MSBuild.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1052 5020 WerFault.exe 4219e5a081c62567d3fb9e490c2a7a3e.exe

resource	yara_rule
behavioral2/memory/3540-126-0x0000000000900000-0x00000000009C6000-memory.dmp	family_sectoprat

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	4219e5a081c62567d3fb9e490c2a7a3e.exe

pid	process
4868	u3vg.0.exe
1764	run.exe

pid	process
1764	run.exe

description	pid	process	target process
PID 1764 set thread context of 4856	1764	run.exe	cmd.exe
PID 4856 set thread context of 3540	4856	cmd.exe	MSBuild.exe

pid	pid_target	process	target process
1052	5020	WerFault.exe	4219e5a081c62567d3fb9e490c2a7a3e.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

u3vg.0.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	u3vg.0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u3vg.0.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

run.execmd.exeMSBuild.exeu3vg.0.exe

pid process

1764 run.exe
1764 run.exe
4856 cmd.exe
4856 cmd.exe
4856 cmd.exe
4856 cmd.exe
3540 MSBuild.exe
3540 MSBuild.exe
3540 MSBuild.exe
3540 MSBuild.exe
3540 MSBuild.exe
4868 u3vg.0.exe
4868 u3vg.0.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

run.execmd.exe

pid process

1764 run.exe
4856 cmd.exe
4856 cmd.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 3540 MSBuild.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

run.exeMSBuild.exe

pid process

1764 run.exe
1764 run.exe
3540 MSBuild.exe

pid	process
1764	run.exe
1764	run.exe
4856	cmd.exe
4856	cmd.exe
4856	cmd.exe
4856	cmd.exe
3540	MSBuild.exe
3540	MSBuild.exe
3540	MSBuild.exe
3540	MSBuild.exe
3540	MSBuild.exe
4868	u3vg.0.exe
4868	u3vg.0.exe

pid	process
1764	run.exe
4856	cmd.exe
4856	cmd.exe

description	pid	process
Token: SeDebugPrivilege	3540	MSBuild.exe

pid	process
1764	run.exe
1764	run.exe
3540	MSBuild.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

4219e5a081c62567d3fb9e490c2a7a3e.exerun.execmd.exe

description	pid	process	target process
PID 5020 wrote to memory of 4868	5020	4219e5a081c62567d3fb9e490c2a7a3e.exe	u3vg.0.exe
PID 5020 wrote to memory of 4868	5020	4219e5a081c62567d3fb9e490c2a7a3e.exe	u3vg.0.exe
PID 5020 wrote to memory of 4868	5020	4219e5a081c62567d3fb9e490c2a7a3e.exe	u3vg.0.exe
PID 5020 wrote to memory of 1764	5020	4219e5a081c62567d3fb9e490c2a7a3e.exe	run.exe
PID 5020 wrote to memory of 1764	5020	4219e5a081c62567d3fb9e490c2a7a3e.exe	run.exe
PID 5020 wrote to memory of 1764	5020	4219e5a081c62567d3fb9e490c2a7a3e.exe	run.exe
PID 1764 wrote to memory of 4856	1764	run.exe	cmd.exe
PID 1764 wrote to memory of 4856	1764	run.exe	cmd.exe
PID 1764 wrote to memory of 4856	1764	run.exe	cmd.exe
PID 1764 wrote to memory of 4856	1764	run.exe	cmd.exe
PID 4856 wrote to memory of 3540	4856	cmd.exe	MSBuild.exe
PID 4856 wrote to memory of 3540	4856	cmd.exe	MSBuild.exe
PID 4856 wrote to memory of 3540	4856	cmd.exe	MSBuild.exe
PID 4856 wrote to memory of 3540	4856	cmd.exe	MSBuild.exe
PID 4856 wrote to memory of 3540	4856	cmd.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\4219e5a081c62567d3fb9e490c2a7a3e.exe
"C:\Users\Admin\AppData\Local\Temp\4219e5a081c62567d3fb9e490c2a7a3e.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5020

C:\Users\Admin\AppData\Local\Temp\u3vg.0.exe
"C:\Users\Admin\AppData\Local\Temp\u3vg.0.exe"
2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4868

C:\Users\Admin\AppData\Local\Temp\u3vg.2\run.exe
"C:\Users\Admin\AppData\Local\Temp\u3vg.2\run.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1764

C:\Windows\SysWOW64\cmd.exe
C:\Windows\SysWOW64\cmd.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4856

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5020 -s 1232
2⤵
- Program crash
PID:1052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5020 -ip 5020
1⤵
PID:4708

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=3488 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
1⤵
PID:4336

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=4012 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
1⤵
PID:1520

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=2424 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:3
1⤵
PID:3452

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports
Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
Filesize
40B

MD5
20d4b8fa017a12a108c87f540836e250

SHA1
1ac617fac131262b6d3ce1f52f5907e31d5f6f00

SHA256
6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d

SHA512
507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856

Download Submit
C:\Users\Admin\AppData\Local\Temp\35e019bb
Filesize
1.4MB

MD5
a1288f440981301c2f67ce0932834071

SHA1
3a755ad8ebf848cd69b54f7c94741ddbe9860b9a

SHA256
214de79dd0821239277913b178491617be6ec0c08c3bdf3c5e48c48864eb2801

SHA512
4f67f8b10328043aa5fbc6926bced039389adba8cd908e289d8add654e82deaed2e432f0c448ab076ec91ef15878a09c5188a1883addb5d6778983cbe0d20dee

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2670.tmp
Filesize
20KB

MD5
91dbaf73c1a8c55254d90272f998e412

SHA1
2b86b31c8c00c937291e5ac3b1d134a5df959acf

SHA256
0628922305d2478ba75a48efadf932d439616eaf1ff908be334793f7bde28107

SHA512
109f4f59616cc1d1682b4d9468804f7668c77ce1878afec06a57037193f31a9c1c39f5d269277462936373b129d26488cddcc34d455c27185534e7754baaa988

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDE3.tmp
Filesize
20KB

MD5
c9ff7748d8fcef4cf84a5501e996a641

SHA1
02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

SHA256
4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

SHA512
d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

Download Submit
C:\Users\Admin\AppData\Local\Temp\u3vg.0.exe
Filesize
311KB

MD5
1fef036f016845e04ac3e1972726487b

SHA1
f366798d5dfa8223b16b5d45af8ba6011305f731

SHA256
f16983211fa24cd3183dfee8fae7828381e9a49f90af8c69eb121f505566289d

SHA512
d28cecdc24ff1509245184ea0270ac4dee65d3ba462670ad8b078e001bcf2d78518d453b89d288be7212bd3c1b4b1db0ff586fe03493bf0bc0df29dcc3256105

Download Submit
C:\Users\Admin\AppData\Local\Temp\u3vg.1.zip
Filesize
3.7MB

MD5
78d3ca6355c93c72b494bb6a498bf639

SHA1
2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

SHA256
a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

SHA512
1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

Download Submit
C:\Users\Admin\AppData\Local\Temp\u3vg.2\UIxMarketPlugin.dll
Filesize
1.6MB

MD5
d1ba9412e78bfc98074c5d724a1a87d6

SHA1
0572f98d78fb0b366b5a086c2a74cc68b771d368

SHA256
cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

SHA512
8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\u3vg.2\bunch.dat
Filesize
1.3MB

MD5
1e8237d3028ab52821d69099e0954f97

SHA1
30a6ae353adda0c471c6ed5b7a2458b07185abf2

SHA256
9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

SHA512
a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\u3vg.2\relay.dll
Filesize
1.5MB

MD5
10d51becd0bbce0fab147ff9658c565e

SHA1
4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

SHA256
7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

SHA512
29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

Download Submit
C:\Users\Admin\AppData\Local\Temp\u3vg.2\run.exe
Filesize
2.4MB

MD5
9fb4770ced09aae3b437c1c6eb6d7334

SHA1
fe54b31b0db8665aa5b22bed147e8295afc88a03

SHA256
a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

SHA512
140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

Download Submit
C:\Users\Admin\AppData\Local\Temp\u3vg.2\whale.dbf
Filesize
85KB

MD5
a723bf46048e0bfb15b8d77d7a648c3e

SHA1
8952d3c34e9341e4425571e10f22b782695bb915

SHA256
b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

SHA512
ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

Download Submit
memory/1764-112-0x0000000072B40000-0x0000000072CBB000-memory.dmp

Filesize
1.5MB

Download
memory/1764-102-0x0000000072B40000-0x0000000072CBB000-memory.dmp

Filesize
1.5MB

Download
memory/1764-103-0x00007FFFF6CB0000-0x00007FFFF6EA5000-memory.dmp

Filesize
2.0MB

Download
memory/3540-134-0x00000000061A0000-0x00000000066CC000-memory.dmp

Filesize
5.2MB

Download
memory/3540-127-0x0000000004F70000-0x0000000005002000-memory.dmp

Filesize
584KB

Download
memory/3540-162-0x00000000078C0000-0x00000000078CA000-memory.dmp

Filesize
40KB

Download
memory/3540-136-0x0000000005D80000-0x0000000005DE6000-memory.dmp

Filesize
408KB

Download
memory/3540-135-0x0000000005C90000-0x0000000005CAE000-memory.dmp

Filesize
120KB

Download
memory/3540-132-0x0000000005020000-0x000000000502A000-memory.dmp

Filesize
40KB

Download
memory/3540-131-0x0000000005150000-0x00000000051A0000-memory.dmp

Filesize
320KB

Download
memory/3540-130-0x00000000050D0000-0x0000000005146000-memory.dmp

Filesize
472KB

Download
memory/3540-129-0x00000000052A0000-0x0000000005462000-memory.dmp

Filesize
1.8MB

Download
memory/3540-128-0x00000000055C0000-0x0000000005B64000-memory.dmp

Filesize
5.6MB

Download
memory/3540-122-0x0000000071610000-0x0000000072864000-memory.dmp

Filesize
18.3MB

Download
memory/3540-126-0x0000000000900000-0x00000000009C6000-memory.dmp

Filesize
792KB

Download
memory/4856-120-0x0000000072B40000-0x0000000072CBB000-memory.dmp

Filesize
1.5MB

Download
memory/4856-115-0x00007FFFF6CB0000-0x00007FFFF6EA5000-memory.dmp

Filesize
2.0MB

Download
memory/4868-13-0x0000000001B50000-0x0000000001C50000-memory.dmp

Filesize
1024KB

Download
memory/4868-163-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4868-174-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4868-15-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4868-123-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4868-171-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/4868-118-0x0000000001B50000-0x0000000001C50000-memory.dmp

Filesize
1024KB

Download
memory/4868-14-0x0000000001AF0000-0x0000000001B17000-memory.dmp

Filesize
156KB

Download
memory/4868-111-0x0000000000400000-0x0000000001A19000-memory.dmp

Filesize
22.1MB

Download
memory/5020-1-0x0000000001C90000-0x0000000001D90000-memory.dmp

Filesize
1024KB

Download
memory/5020-109-0x0000000000400000-0x0000000001A3D000-memory.dmp

Filesize
22.2MB

Download
memory/5020-3-0x0000000000400000-0x0000000001A3D000-memory.dmp

Filesize
22.2MB

Download
memory/5020-2-0x0000000001BD0000-0x0000000001C3D000-memory.dmp

Filesize
436KB

Download
memory/5020-87-0x0000000000400000-0x0000000001A3D000-memory.dmp

Filesize
22.2MB

Download
memory/5020-110-0x0000000001BD0000-0x0000000001C3D000-memory.dmp

Filesize
436KB

Download