sectoprat | df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d

Analysis

max time kernel
279s
max time network
280s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02/05/2024, 00:06

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General

Target

df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe
Size

455KB
MD5

4fe50d7ebbbbc20cd513cc300952a3c8
SHA1

87d218b2066ca1511e2c6659eb2bb29f5b5255e3
SHA256

df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d
SHA512

78ca6e4c350b182e7c4206b5b15f72110acebc16463dc4b6a36e7271f147936fad9bc990513a11ebaf752a925b8d650e2aa389cfb5909da1cae200aff1efdb03
SSDEEP

6144:wPKlSI6wvdEjpq79xyN+PKbaKNt8RUeW2s4A9YoxYrP9nys3ODE:wylSI66yj4nOaaJh9x6tT3wE

Score

10^/10

sectoprat stealc discovery rat spyware stealer trojan

Malware Config

Extracted

Family

stealc

http://185.172.128.151

Attributes

url_path
/7043a0c6a68d9c65.php

Signatures

Detects Arechclient2 RAT 1 IoCs

Arechclient2.

resource	yara_rule
behavioral1/memory/812-235-0x0000000000400000-0x00000000004C6000-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/812-235-0x0000000000400000-0x00000000004C6000-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
2208	u1i4.0.exe
2012	run.exe

Loads dropped DLL 13 IoCs

pid	Process
1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe
1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe
1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe
1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe
1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe
2208	u1i4.0.exe
2208	u1i4.0.exe
1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe
1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe
1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe
1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe
2012	run.exe
2004	cmd.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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

description	pid	Process	procid_target
PID 2012 set thread context of 2004	2012	run.exe	31
PID 2004 set thread context of 812	2004	cmd.exe	33

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

System Information Discovery
T1082

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	u1i4.0.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	u1i4.0.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2208	u1i4.0.exe
2012	run.exe
2012	run.exe
2208	u1i4.0.exe
2004	cmd.exe
2004	cmd.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2012	run.exe
2004	cmd.exe
2004	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	812	MSBuild.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2012	run.exe
2012	run.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2208	1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe	28
PID 1948 wrote to memory of 2208	1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe	28
PID 1948 wrote to memory of 2208	1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe	28
PID 1948 wrote to memory of 2208	1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe	28
PID 1948 wrote to memory of 2012	1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe	30
PID 1948 wrote to memory of 2012	1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe	30
PID 1948 wrote to memory of 2012	1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe	30
PID 1948 wrote to memory of 2012	1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe	30
PID 1948 wrote to memory of 2012	1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe	30
PID 1948 wrote to memory of 2012	1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe	30
PID 1948 wrote to memory of 2012	1948	df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe	30
PID 2012 wrote to memory of 2004	2012	run.exe	31
PID 2012 wrote to memory of 2004	2012	run.exe	31
PID 2012 wrote to memory of 2004	2012	run.exe	31
PID 2012 wrote to memory of 2004	2012	run.exe	31
PID 2012 wrote to memory of 2004	2012	run.exe	31
PID 2004 wrote to memory of 812	2004	cmd.exe	33
PID 2004 wrote to memory of 812	2004	cmd.exe	33
PID 2004 wrote to memory of 812	2004	cmd.exe	33
PID 2004 wrote to memory of 812	2004	cmd.exe	33
PID 2004 wrote to memory of 812	2004	cmd.exe	33
PID 2004 wrote to memory of 812	2004	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe
"C:\Users\Admin\AppData\Local\Temp\df9bf21bdbcd5a27ad3a7d230070135ab62ae4bb4ca18efefaa58d065242bd4d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\u1i4.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u1i4.0.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2208
- C:\Users\Admin\AppData\Local\Temp\u1i4.2\run.exe
  "C:\Users\Admin\AppData\Local\Temp\u1i4.2\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:2012
- - 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:2004
  - - 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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\U1I41~1.ZIP

Filesize
3.7MB

MD5
78d3ca6355c93c72b494bb6a498bf639

SHA1
2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e

SHA256
a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001

SHA512
1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea

Download Submit
C:\Users\Admin\AppData\Local\Temp\d11ae55e

Filesize
1.4MB

MD5
15932c748186cdc82afb48f58589108e

SHA1
c2930812df840cafbf7b6072285b7ff5a53feae5

SHA256
1eac536dc22435ce2d8fabca00087b466c2454feaa69f224d79eeb79b68b2b2e

SHA512
9fc89dc7fb866ee0baadc161497fa36ac6e0b821bddc1d7c55c02f90a171d02b2a02221ad4ceb24597f706f5516c18adff12ecb18390f89a48bf92a22e4c89d1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA526.tmp

Filesize
20KB

MD5
c9ff7748d8fcef4cf84a5501e996a641

SHA1
02867e5010f62f97ebb0cfb32cb3ede9449fe0c9

SHA256
4d3f3194cb1133437aa69bb880c8cbb55ddf06ff61a88ca6c3f1bbfbfd35d988

SHA512
d36054499869a8f56ac8547ccd5455f1252c24e17d2b185955390b32da7e2a732ace4e0f30f9493fcc61425a2e31ed623465f998f41af69423ee0e3ed1483a73

Download Submit
C:\Users\Admin\AppData\Local\Temp\u1i4.0.exe

Filesize
290KB

MD5
74f013600b2512858b1b5e8edbf8e295

SHA1
e01c85052f2ef37185c31396be30a6c74b3a9780

SHA256
a9c78b7ca03d38a6e3141cf706f5ed139d4a1353e3a4a9fcbe98533b790aee1c

SHA512
baf20f3e77dbe4ccc984537ce91aa5f8b960666e78bc6e4abc35d17821e07733350734cc5e38d16cbcfee81c3e34e98824e801fcbf225ea3671d4d6d0f775fea

Download Submit
C:\Users\Admin\AppData\Local\Temp\u1i4.2\UIxMarketPlugin.dll

Filesize
1.6MB

MD5
d1ba9412e78bfc98074c5d724a1a87d6

SHA1
0572f98d78fb0b366b5a086c2a74cc68b771d368

SHA256
cbcea8f28d8916219d1e8b0a8ca2db17e338eb812431bc4ad0cb36c06fd67f15

SHA512
8765de36d3824b12c0a4478c31b985878d4811bd0e5b6fba4ea07f8c76340bd66a2da3490d4871b95d9a12f96efc25507dfd87f431de211664dbe9a9c914af6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\u1i4.2\bunch.dat

Filesize
1.3MB

MD5
1e8237d3028ab52821d69099e0954f97

SHA1
30a6ae353adda0c471c6ed5b7a2458b07185abf2

SHA256
9387488f9d338e211be2cb45109bf590a5070180bc0d4a703f70d3cb3c4e1742

SHA512
a6406d7c18694ee014d59df581f1f76e980b68e3361ae680dc979606a423eba48d35e37f143154dd97fe5f066baf0ea51a2e9f8bc822d593e1cba70ead6559f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\u1i4.2\relay.dll

Filesize
1.5MB

MD5
10d51becd0bbce0fab147ff9658c565e

SHA1
4689a18112ff876d3c066bc8c14a08fd6b7b7a4a

SHA256
7b2db9c88f60ed6dd24b1dec321a304564780fdb191a96ec35c051856128f1ed

SHA512
29faf493bb28f7842c905adc5312f31741effb09f841059b53d73b22aea2c4d41d73db10bbf37703d6aeb936ffacbc756a3cc85ba3c0b6a6863ef4d27fefcd29

Download Submit
C:\Users\Admin\AppData\Local\Temp\u1i4.2\run.exe

Filesize
2.4MB

MD5
9fb4770ced09aae3b437c1c6eb6d7334

SHA1
fe54b31b0db8665aa5b22bed147e8295afc88a03

SHA256
a05b592a971fe5011554013bcfe9a4aaf9cfc633bdd1fe3a8197f213d557b8d3

SHA512
140fee6daf23fe8b7e441b3b4de83554af804f00ecedc421907a385ac79a63164bd9f28b4be061c2ea2262755d85e14d3a8e7dc910547837b664d78d93667256

Download Submit
C:\Users\Admin\AppData\Local\Temp\u1i4.2\whale.dbf

Filesize
85KB

MD5
a723bf46048e0bfb15b8d77d7a648c3e

SHA1
8952d3c34e9341e4425571e10f22b782695bb915

SHA256
b440170853bdb43b66497f701aee2901080326975140b095a1669cb9dee13422

SHA512
ca8ea2f7f3c7af21b5673a0a3f2611b6580a7ed02efa2cfd8b343eb644ff09682bde43b25ef7aab68530d5ce31dcbd252c382dd336ecb610d4c4ebde78347273

Download Submit
\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/812-234-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/812-235-0x0000000000400000-0x00000000004C6000-memory.dmp

Filesize
792KB

Download
memory/812-232-0x0000000072AC0000-0x0000000073B22000-memory.dmp

Filesize
16.4MB

Download
memory/812-233-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1948-1-0x00000000002C0000-0x00000000003C0000-memory.dmp

Filesize
1024KB

Download
memory/1948-161-0x00000000002C0000-0x00000000003C0000-memory.dmp

Filesize
1024KB

Download
memory/1948-2-0x0000000003210000-0x000000000327D000-memory.dmp

Filesize
436KB

Download
memory/1948-160-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/1948-159-0x0000000000400000-0x0000000001A3D000-memory.dmp

Filesize
22.2MB

Download
memory/1948-3-0x0000000000400000-0x0000000000470000-memory.dmp

Filesize
448KB

Download
memory/2004-230-0x0000000073B30000-0x0000000073CA4000-memory.dmp

Filesize
1.5MB

Download
memory/2004-184-0x00000000776C0000-0x0000000077869000-memory.dmp

Filesize
1.7MB

Download
memory/2012-168-0x00000000776C0000-0x0000000077869000-memory.dmp

Filesize
1.7MB

Download
memory/2012-181-0x0000000073B30000-0x0000000073CA4000-memory.dmp

Filesize
1.5MB

Download
memory/2012-167-0x0000000073B30000-0x0000000073CA4000-memory.dmp

Filesize
1.5MB

Download
memory/2208-180-0x0000000000400000-0x0000000002B06000-memory.dmp

Filesize
39.0MB

Download
memory/2208-174-0x0000000000400000-0x0000000002B06000-memory.dmp

Filesize
39.0MB

Download
memory/2208-22-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download