sectoprat | fa5a7ade729b8f91728866b5eb4047a598248bc574a495452b76a980c7bf444a

Analysis

max time kernel
143s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
26/04/2024, 09:00

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
fa5a7ade729b8f91728866b5eb4047a598248bc574a495452b76a980c7bf444a.exe
Size 442KB
Sample240426-kymkmadb41
SHA256 fa5a7ade729b8f91728866b5eb4047a598248bc574a495452b76a980c7bf444a
MD5 c24473674ac278799684d5456d2d362e
SHA1 e54104a9365c21c1c48cc0faad058e509ba29bfd
SHA512 a816731fb4f2f2c78e54abcc0660c57332d392ccc96c235fa1ca4eba747817b77bbdac334f6896bf830498f89af1a2145a1f47998ad1fd419aaf941ee9007557
SSDEEP 6144:Ovlp7/pMTkjSJX3KkOyhJOF1zL1vMVi0jYZF3Z0DKh8n/QrV:Ovlp7/KQOJnHsLhUKh8n/QrV
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sectoprat stealc rat stealer trojan

Malware Config

Signatures

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

SectopRAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/1152-130-0x0000000000760000-0x0000000000826000-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
2900	u3gw.0.exe
4916	run.exe

Loads dropped DLL 1 IoCs

pid	Process
4916	run.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
10	pastebin.com
17	pastebin.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4916 set thread context of 3512	4916	run.exe	87
PID 3512 set thread context of 1152	3512	cmd.exe	90

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
924	2900	WerFault.exe	80

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4916	run.exe
4916	run.exe
3512	cmd.exe
3512	cmd.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
4916	run.exe
3512	cmd.exe
3512	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1152	MSBuild.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4916	run.exe
4916	run.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4496 wrote to memory of 2900	4496	fa5a7ade729b8f91728866b5eb4047a598248bc574a495452b76a980c7bf444a.exe	80
PID 4496 wrote to memory of 2900	4496	fa5a7ade729b8f91728866b5eb4047a598248bc574a495452b76a980c7bf444a.exe	80
PID 4496 wrote to memory of 2900	4496	fa5a7ade729b8f91728866b5eb4047a598248bc574a495452b76a980c7bf444a.exe	80
PID 4496 wrote to memory of 4916	4496	fa5a7ade729b8f91728866b5eb4047a598248bc574a495452b76a980c7bf444a.exe	86
PID 4496 wrote to memory of 4916	4496	fa5a7ade729b8f91728866b5eb4047a598248bc574a495452b76a980c7bf444a.exe	86
PID 4496 wrote to memory of 4916	4496	fa5a7ade729b8f91728866b5eb4047a598248bc574a495452b76a980c7bf444a.exe	86
PID 4916 wrote to memory of 3512	4916	run.exe	87
PID 4916 wrote to memory of 3512	4916	run.exe	87
PID 4916 wrote to memory of 3512	4916	run.exe	87
PID 4916 wrote to memory of 3512	4916	run.exe	87
PID 3512 wrote to memory of 1152	3512	cmd.exe	90
PID 3512 wrote to memory of 1152	3512	cmd.exe	90
PID 3512 wrote to memory of 1152	3512	cmd.exe	90
PID 3512 wrote to memory of 1152	3512	cmd.exe	90
PID 3512 wrote to memory of 1152	3512	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\fa5a7ade729b8f91728866b5eb4047a598248bc574a495452b76a980c7bf444a.exe
"C:\Users\Admin\AppData\Local\Temp\fa5a7ade729b8f91728866b5eb4047a598248bc574a495452b76a980c7bf444a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4496
- C:\Users\Admin\AppData\Local\Temp\u3gw.0.exe
  "C:\Users\Admin\AppData\Local\Temp\u3gw.0.exe"
  2⤵
  - Executes dropped EXE
  PID:2900
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 1240
    3⤵
    - Program crash
    PID:924
- C:\Users\Admin\AppData\Local\Temp\u3gw.2\run.exe
  "C:\Users\Admin\AppData\Local\Temp\u3gw.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:4916
- - 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:3512
  - - 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:1152

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2900 -ip 2900
1⤵
PID:1368

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

Web Service

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

6868f45a

Path C:\Users\Admin\AppData\Local\Temp\6868f45a
Size 1.4MB
SHA256 6111b3eec230d49cef894def4873130b88a3ef1df81d889547994c2a25eb741a
MD5 65ffa4d570ceb5eda4ffa1882d3fdbd4
SHA1 ce682b08938349cafe0d44ee870616928cfa6588
SHA512 a73b6ac2f15020c8729e4dd05d6de519526c60412b9895a54133945d950160318e91783ed379adc996bd5d5336174f99b4ec2bae4deac382950f4e8b0145ce87
SSDEEP 24576:1xOz8Ah1JtIInZroFr+zlCwUCoBhTF4a4QbCjziySyNPW4UN+RayR:LOz8UtGEZ8BhTF4ohya+RayR
MD5 SHA1 SHA512 SSDEEP

Submit Download

u3gw.0.exe

Path C:\Users\Admin\AppData\Local\Temp\u3gw.0.exe
Size 298KB
SHA256 8a6721d38d828ce4dbbef786174faf854f366b0bf6f07189033aafa53459a14e
MD5 80e0fece33768e20034d106db0d36341
SHA1 ba12ccea1e640cdb5fedb0e9ac03aad09bdc9510
SHA512 1292b73f6e0673a118ad726ab14dbcbbbe9d1245cac978e5752838b51cccabd4a286397faf7de27b98cd9ab88ea04fb46aa02ec3287d641b3056593f69606e7f
SSDEEP 3072:8HNWG9ZvpIjEH+P0VePSBxIoNzGW90KWupBuJxnf6+sXmSIN8niFWhr:LAaQHXxRN5WuLQf6+h8nPr
MD5 SHA1 SHA512 SSDEEP

Submit Download

u3gw.1.zip

Path C:\Users\Admin\AppData\Local\Temp\u3gw.1.zip
Size 3.7MB
SHA256 a1dd547a63b256aa6a16871ed03f8b025226f7617e67b8817a08444df077b001
MD5 78d3ca6355c93c72b494bb6a498bf639
SHA1 2fa4e5df74bfe75c207c881a1b0d3bc1c62c8b0e
SHA512 1b2df7bee2514aee7efd3579f5dd33c76b40606d07dba69a34c45747662fad61174db4931bca02b058830107959205e889fee74f8ccc9f6e03f9fd111761f4ea
SSDEEP 98304:7goFFJ7lj6j1elkeoTNxPxDZhAryYACWcTIxlN+ba:7guJ7wpfTDPxD0P2YG
MD5 SHA1 SHA512 SSDEEP

Submit Download

UIxMarketPlugin.dll

Path C:\Users\Admin\AppData\Local\Temp\u3gw.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\u3gw.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\u3gw.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

run.exe

Path C:\Users\Admin\AppData\Local\Temp\u3gw.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

whale.dbf

Path C:\Users\Admin\AppData\Local\Temp\u3gw.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

memory/1152-130-0x0000000000760000-0x0000000000826000-memory.dmp

Download

memory/1152-133-0x0000000005450000-0x00000000059F6000-memory.dmp

Download

memory/1152-141-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Download

memory/1152-140-0x0000000072930000-0x00000000730E1000-memory.dmp

Download

memory/1152-126-0x0000000070DF0000-0x0000000072107000-memory.dmp

Download

memory/1152-131-0x0000000072930000-0x00000000730E1000-memory.dmp

Download

memory/1152-137-0x0000000004F30000-0x0000000004F80000-memory.dmp

Download

memory/1152-132-0x0000000004E00000-0x0000000004E92000-memory.dmp

Download

memory/1152-136-0x0000000004EA0000-0x0000000004F16000-memory.dmp

Download

memory/1152-135-0x0000000005190000-0x0000000005352000-memory.dmp

Download

memory/1152-134-0x0000000004FB0000-0x0000000004FC0000-memory.dmp

Download

memory/2900-14-0x0000000000400000-0x000000000403C000-memory.dmp

Download

memory/2900-12-0x00000000043B0000-0x00000000044B0000-memory.dmp

Download

memory/2900-13-0x0000000005D50000-0x0000000005D77000-memory.dmp

Download

memory/3512-122-0x00000000723D0000-0x000000007254D000-memory.dmp

Download

memory/3512-116-0x00000000723D0000-0x000000007254D000-memory.dmp

Download

memory/3512-123-0x00000000723D0000-0x000000007254D000-memory.dmp

Download

memory/3512-125-0x00000000723D0000-0x000000007254D000-memory.dmp

Download

memory/3512-118-0x00007FF8898E0000-0x00007FF889AE9000-memory.dmp

Download

memory/4496-1-0x0000000004380000-0x0000000004480000-memory.dmp

Download

memory/4496-2-0x0000000004310000-0x000000000437D000-memory.dmp

Download

memory/4496-18-0x0000000004310000-0x000000000437D000-memory.dmp

Download

memory/4496-113-0x0000000000400000-0x000000000405F000-memory.dmp

Download

memory/4496-15-0x0000000000400000-0x000000000405F000-memory.dmp

Download

memory/4496-17-0x0000000004380000-0x0000000004480000-memory.dmp

Download

memory/4916-114-0x00000000723D0000-0x000000007254D000-memory.dmp

Download

memory/4916-112-0x00000000723D0000-0x000000007254D000-memory.dmp

Download

memory/4916-106-0x00007FF8898E0000-0x00007FF889AE9000-memory.dmp

Download

memory/4916-105-0x00000000723D0000-0x000000007254D000-memory.dmp

Download