sectoprat | 8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119

Analysis

max time kernel
283s
max time network
284s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
25/04/2024, 22:23

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General

Target
8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe
Size 405KB
Sample240425-2ba2rafh7y
SHA256 8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119
MD5 252ee57fe3ca6ac598b0c32da01c7a32
SHA1 b9eec61fa3102da89045b72ecac37b954335af2f
SHA512 0c841d23d6475dc8dcac0833fec1729dc46fcb75a3d40d9936f45b8de894a4c2de8b9edb3db76c74c3c26d0e5d66317c65b6f6ddbf2730d37938238ef101ca82
SSDEEP 6144:6lvgNss1kOj6Ljn7bgDKzgH3SYfmwdG2mFdEL4tOJDs:6lvgmaeH4KzgXxfFGDdELuOJDs
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sectoprat stealc rat stealer trojan

Malware Config

Extracted

Family

stealc

http://185.172.128.111

Attributes

url_path
/f993692117a3fda2.php

Signatures

Detects Arechclient2 RAT 1 IoCs

Arechclient2.

resource	yara_rule
behavioral1/memory/812-179-0x0000000000400000-0x00000000004C6000-memory.dmp	MALWARE_Win_Arechclient

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

SectopRAT payload 1 IoCs

resource	yara_rule
behavioral1/memory/812-179-0x0000000000400000-0x00000000004C6000-memory.dmp	family_sectoprat

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
2504	u1oc.0.exe
1724	run.exe

Loads dropped DLL 10 IoCs

pid	Process
2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe
2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe
2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe
2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe
2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe
2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe
2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe
2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe
1724	run.exe
1368	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1724 set thread context of 1368	1724	run.exe	30
PID 1368 set thread context of 812	1368	cmd.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1724	run.exe
1724	run.exe
1368	cmd.exe
1368	cmd.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1724	run.exe
1368	cmd.exe
1368	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	812	MSBuild.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1724	run.exe
1724	run.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2504	2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe	28
PID 2172 wrote to memory of 2504	2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe	28
PID 2172 wrote to memory of 2504	2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe	28
PID 2172 wrote to memory of 2504	2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe	28
PID 2172 wrote to memory of 1724	2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe	29
PID 2172 wrote to memory of 1724	2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe	29
PID 2172 wrote to memory of 1724	2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe	29
PID 2172 wrote to memory of 1724	2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe	29
PID 2172 wrote to memory of 1724	2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe	29
PID 2172 wrote to memory of 1724	2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe	29
PID 2172 wrote to memory of 1724	2172	8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe	29
PID 1724 wrote to memory of 1368	1724	run.exe	30
PID 1724 wrote to memory of 1368	1724	run.exe	30
PID 1724 wrote to memory of 1368	1724	run.exe	30
PID 1724 wrote to memory of 1368	1724	run.exe	30
PID 1724 wrote to memory of 1368	1724	run.exe	30
PID 1368 wrote to memory of 812	1368	cmd.exe	32
PID 1368 wrote to memory of 812	1368	cmd.exe	32
PID 1368 wrote to memory of 812	1368	cmd.exe	32
PID 1368 wrote to memory of 812	1368	cmd.exe	32
PID 1368 wrote to memory of 812	1368	cmd.exe	32
PID 1368 wrote to memory of 812	1368	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe
"C:\Users\Admin\AppData\Local\Temp\8d69727c2a46b71e091671436d75d53a55809a052ab2b36db999cdc622ef7119.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\u1oc.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u1oc.0.exe"
  2⤵
  - Executes dropped EXE
  PID:2504
- C:\Users\Admin\AppData\Local\Temp\u1oc.2\run.exe
  "C:\Users\Admin\AppData\Local\Temp\u1oc.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:1724
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\SysWOW64\cmd.exe
    3⤵
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:1368
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

U1OC1~1.ZIP

Path C:\Users\Admin\AppData\Local\Temp\U1OC1~1.ZIP
Size 3.7MB
SHA256 a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
MD5 78d3ca6355c93c72b494bb6a498bf639
SHA1 2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e
SHA512 1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea
SSDEEP 98304:7goFFJ7lj6j1elkeoTNxPxDZhAryYACWcTIxlN+ba:7guJ7wpfTDPxD0P2YG
MD5 SHA1 SHA512 SSDEEP

Submit Download

c3b97ba7

Path C:\Users\Admin\AppData\Local\Temp\c3b97ba7
Size 1.4MB
SHA256 2731ba3cde06ab4fd4183d495c9887c1a257733eed87f14c03b38840d0d52f41
MD5 b8a0edf3486f3cd86e98953eb9b86a8d
SHA1 3d594b22796c97f9dbb83322a7af8360f961bc30
SHA512 8bc8ce67d11ec595e500fb54248d90f6efd32dad2f62bc567bf13e3a00dcbeca88c7d167a87259d2b2b6589141c63ba008300f1728935de385ff163a17d7463b
SSDEEP 24576:P7vwM+V6nNrVqZtiLZECki2WG6mfbNIdrNEX4YXlALMJYOrOgy12ENZw2j/XsXpC:zvwMTNgOdG6mWrNEXrSMDp4w2jPUe0dI
MD5 SHA1 SHA512 SSDEEP

Submit Download

tmpB03E.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpB03E.tmp
Size 20KB
SHA256 4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988
MD5 c9ff7748d8fcef4cf84a5501e996a641
SHA1 02867e5010f62f97ebb0cfb32cb3ede9449fe0c9
SHA512 d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73
SSDEEP 12:TLVsFVP89GkwtwhuFdbXGwvfhowcFOaOmzdOtssh+bgc4Jp+FxOUwa5q0S9zXhZn:TLcF1kwNbXYFpFNYcw+6UwcQVXH5fB
MD5 SHA1 SHA512 SSDEEP

Submit Download

UIxMarketPlugin.dll

Path C:\Users\Admin\AppData\Local\Temp\u1oc.2\UIxMarketPlugin.dll
Size 1.6MB
SHA256 cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15
MD5 d1ba9412e78bfc98074c5d724a1a87d6
SHA1 0572f98d78fb0b366b5a086c2a74cc68b771d368
SHA512 8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f
SSDEEP 49152:/7Q2CH7FiYk7q8wOP2nyh9VgFdJYZL6MsQv4Pvg3KIA8wuSgKacXTT3Kos2lpm:sZH7FZk7LP2nyh9VgFdJYZL6NQgPVIAv
MD5 SHA1 SHA512 SSDEEP

Submit Download

bunch.dat

Path C:\Users\Admin\AppData\Local\Temp\u1oc.2\bunch.dat
Size 1.3MB
SHA256 9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742
MD5 1e8237d3028ab52821d69099e0954f97
SHA1 30a6ae353adda0c471c6ed5b7a2458b07185abf2
SHA512 a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3
SSDEEP 24576:7vktfYOP8kCc3P/X970uBuBFA3S8Fa+/D9kGmk3Lh9AvPG:7vk5H8LIt1e2Sl+if2YG
MD5 SHA1 SHA512 SSDEEP

Submit Download

relay.dll

Path C:\Users\Admin\AppData\Local\Temp\u1oc.2\relay.dll
Size 1.5MB
SHA256 7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed
MD5 10d51becd0bbce0fab147ff9658c565e
SHA1 4689a18112ff876d3c066bc8c14a08fd6b7b7a4a
SHA512 29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29
SSDEEP 49152:n2gm39uH+I5/GxEoadcqX7Q9F7r40YB+eTcq+PDXx1lWz0v2:DmtuH+e/RoadcqX7Qz7rDY8vq+Pbx1lc
MD5 SHA1 SHA512 SSDEEP

Submit Download

whale.dbf

Path C:\Users\Admin\AppData\Local\Temp\u1oc.2\whale.dbf
Size 85KB
SHA256 b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422
MD5 a723bf46048e0bfb15b8d77d7a648c3e
SHA1 8952d3c34e9341e4425571e10f22b782695bb915
SHA512 ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273
SSDEEP 1536:X5B5jj6bWG+5cAD2Fno6ktTgDa+0rldAe7VwDb4bWTfmdI7p:X5Ljj6bi512Fn3b0Ie7qgbWd9
MD5 SHA1 SHA512 SSDEEP

Submit Download

u1oc.0.exe

Path \Users\Admin\AppData\Local\Temp\u1oc.0.exe
Size 275KB
SHA256 55f2a97acc89f9991574ab48d97722932ed4006c589c9128475562cd6c5c2b8d
MD5 500ff9106af81f784b40acb38342f01e
SHA1 fa28d68a241db1ff4a40c5659b65d6cb1b4ae9bc
SHA512 a0e1a7d91522fe1c219f4f62568dc5b517b8a36a30c2a8ba19e4deec1ba7602186aeb31b19c00202ea777704c1366e435c131e901bb02e34a0e22ed9979ee6f3
SSDEEP 3072:WHSFldUSP9GcQaRzgQE5fQ3DzwNXgNDDwK45VBjc+zegP:9lp0+qQgfErNPFoBjc+Kg
MD5 SHA1 SHA512 SSDEEP

Submit Download

run.exe

Path \Users\Admin\AppData\Local\Temp\u1oc.2\run.exe
Size 2.4MB
SHA256 a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3
MD5 9fb4770ced09aae3b437c1c6eb6d7334
SHA1 fe54b31b0db8665aa5b22bed147e8295afc88a03
SHA512 140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256
SSDEEP 49152:Y8UMSn5cV2N9LNwtQ5gRR+moI1axGbYj6QAl4ImDkg7d5lROCDG5yzlC97W+uJUM:QMS5hN9OtQ5gRjoI8xGbYj6QAl4gg7dF
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/812-175-0x00000000723E0000-0x0000000073442000-memory.dmp

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memory/812-192-0x0000000004780000-0x00000000047C0000-memory.dmp

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memory/812-191-0x0000000073A90000-0x000000007417E000-memory.dmp

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memory/812-181-0x0000000004780000-0x00000000047C0000-memory.dmp

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memory/812-180-0x0000000073A90000-0x000000007417E000-memory.dmp

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memory/812-179-0x0000000000400000-0x00000000004C6000-memory.dmp

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memory/812-178-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

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memory/812-177-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

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memory/1368-126-0x0000000076E60000-0x0000000077009000-memory.dmp

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memory/1368-124-0x00000000746A0000-0x0000000074814000-memory.dmp

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memory/1368-172-0x00000000746A0000-0x0000000074814000-memory.dmp

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memory/1368-173-0x00000000746A0000-0x0000000074814000-memory.dmp

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memory/1368-176-0x00000000746A0000-0x0000000074814000-memory.dmp

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memory/1724-121-0x00000000746A0000-0x0000000074814000-memory.dmp

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memory/1724-122-0x00000000746A0000-0x0000000074814000-memory.dmp

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memory/1724-115-0x0000000076E60000-0x0000000077009000-memory.dmp

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memory/1724-114-0x00000000746A0000-0x0000000074814000-memory.dmp

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memory/2172-2-0x00000000002D0000-0x000000000033D000-memory.dmp

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memory/2172-107-0x0000000000400000-0x0000000004055000-memory.dmp

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memory/2172-108-0x00000000040F0000-0x00000000041F0000-memory.dmp

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memory/2172-1-0x00000000040F0000-0x00000000041F0000-memory.dmp

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memory/2504-20-0x00000000003C0000-0x00000000003E7000-memory.dmp

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memory/2504-22-0x0000000000400000-0x0000000000846000-memory.dmp

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memory/2504-21-0x0000000000400000-0x0000000000846000-memory.dmp

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memory/2504-19-0x0000000000250000-0x0000000000350000-memory.dmp

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