remcos | f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2

General

Target

RFQ SY101 Quotation 2024.exe
Size

967KB
MD5

6d53853d0d56802e6ad845407f61eee7
SHA1

3cfb6e47d65afb417444d23908e28163ab83a341
SHA256

f5d0cc0b20705f516fd4b613c5e10473dd6a49aff8f9a03db004e6e8b80f46d2
SHA512

20279d70d086aec743a7c6df92384fe5100e4a9e9f7cb710ac3c947b2a36a0a3b307638a0f3dfcd93cf26ba2172db1d546ffa311939ebc28c5b3988d0b6b00e5
SSDEEP

24576:Zo5Cx4T0Nq036gAfCwpOypJ4k4ZS3yWw:C5Cx4QN/OCypJ4ZZSCWw

Score

10^/10

remcos buddy collection rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

BUDDY

C2

192.210.201.57:52499

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-LMLI87
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral1/memory/860-53-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/860-65-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/2380-45-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2380-62-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2380-45-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/860-53-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/1452-55-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/1452-56-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/1452-57-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2380-62-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/860-65-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft

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 Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

RFQ SY101 Quotation 2024.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	RFQ SY101 Quotation 2024.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

RFQ SY101 Quotation 2024.exeRFQ SY101 Quotation 2024.exe

description	pid	process	target process
PID 2412 set thread context of 2256	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 set thread context of 2380	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 set thread context of 860	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 set thread context of 1452	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RFQ SY101 Quotation 2024.exeRFQ SY101 Quotation 2024.exe

pid process

2412 RFQ SY101 Quotation 2024.exe
2380 RFQ SY101 Quotation 2024.exe
2380 RFQ SY101 Quotation 2024.exe
Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

RFQ SY101 Quotation 2024.exe

pid process

2256 RFQ SY101 Quotation 2024.exe
2256 RFQ SY101 Quotation 2024.exe
2256 RFQ SY101 Quotation 2024.exe
2256 RFQ SY101 Quotation 2024.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RFQ SY101 Quotation 2024.exeRFQ SY101 Quotation 2024.exe

description pid process

Token: SeDebugPrivilege 2412 RFQ SY101 Quotation 2024.exe
Token: SeDebugPrivilege 1452 RFQ SY101 Quotation 2024.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RFQ SY101 Quotation 2024.exe

pid process

2256 RFQ SY101 Quotation 2024.exe

pid	process
2412	RFQ SY101 Quotation 2024.exe
2380	RFQ SY101 Quotation 2024.exe
2380	RFQ SY101 Quotation 2024.exe

pid	process
2256	RFQ SY101 Quotation 2024.exe
2256	RFQ SY101 Quotation 2024.exe
2256	RFQ SY101 Quotation 2024.exe
2256	RFQ SY101 Quotation 2024.exe

description	pid	process
Token: SeDebugPrivilege	2412	RFQ SY101 Quotation 2024.exe
Token: SeDebugPrivilege	1452	RFQ SY101 Quotation 2024.exe

pid	process
2256	RFQ SY101 Quotation 2024.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

RFQ SY101 Quotation 2024.exeRFQ SY101 Quotation 2024.exe

description	pid	process	target process
PID 2412 wrote to memory of 2552	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2412 wrote to memory of 2552	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2412 wrote to memory of 2552	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2412 wrote to memory of 2552	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2412 wrote to memory of 2256	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2412 wrote to memory of 2256	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2412 wrote to memory of 2256	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2412 wrote to memory of 2256	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2412 wrote to memory of 2256	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2412 wrote to memory of 2256	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2412 wrote to memory of 2256	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2412 wrote to memory of 2256	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2412 wrote to memory of 2256	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2412 wrote to memory of 2256	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2412 wrote to memory of 2256	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2412 wrote to memory of 2256	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2412 wrote to memory of 2256	2412	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 2380	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 2380	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 2380	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 2380	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 2380	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 860	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 860	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 860	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 860	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 860	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 2020	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 2020	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 2020	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 2020	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 1452	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 1452	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 1452	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 1452	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe
PID 2256 wrote to memory of 1452	2256	RFQ SY101 Quotation 2024.exe	RFQ SY101 Quotation 2024.exe

C:\Users\Admin\AppData\Local\Temp\RFQ SY101 Quotation 2024.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ SY101 Quotation 2024.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2412

C:\Users\Admin\AppData\Local\Temp\RFQ SY101 Quotation 2024.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ SY101 Quotation 2024.exe"
2⤵
PID:2552

C:\Users\Admin\AppData\Local\Temp\RFQ SY101 Quotation 2024.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ SY101 Quotation 2024.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2256

C:\Users\Admin\AppData\Local\Temp\RFQ SY101 Quotation 2024.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ SY101 Quotation 2024.exe" /stext "C:\Users\Admin\AppData\Local\Temp\qsqwjjosyantxazydgsydifrwczmiwmxq"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2380

C:\Users\Admin\AppData\Local\Temp\RFQ SY101 Quotation 2024.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ SY101 Quotation 2024.exe" /stext "C:\Users\Admin\AppData\Local\Temp\amvhk"
3⤵
- Accesses Microsoft Outlook accounts
PID:860

C:\Users\Admin\AppData\Local\Temp\RFQ SY101 Quotation 2024.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ SY101 Quotation 2024.exe" /stext "C:\Users\Admin\AppData\Local\Temp\dojzlurn"
3⤵
PID:2020

C:\Users\Admin\AppData\Local\Temp\RFQ SY101 Quotation 2024.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ SY101 Quotation 2024.exe" /stext "C:\Users\Admin\AppData\Local\Temp\dojzlurn"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1452

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\remcos\logs.dat
Filesize
144B

MD5
165fa2be7ce4af55bfdd2b22b5b635f5

SHA1
87e72f0d732be98ac8bc16e549cc339ca11bf713

SHA256
2f0095f9912cbb3058af1c947730fe60dd193fdd64895d46c251f7bd84bdd201

SHA512
4f642babeed48ab3dd7b6c1153ca17d0374bf98c5c6a39c38e07237a307ebcaf88deab96909918c0af9a7c4ce4f628091b8cb837178017c21d79c6fb116fdebe

Download Submit
C:\Users\Admin\AppData\Local\Temp\qsqwjjosyantxazydgsydifrwczmiwmxq
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/860-43-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/860-65-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/860-53-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/860-50-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1452-57-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1452-56-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1452-55-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1452-54-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1452-49-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2256-70-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2256-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2256-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-106-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-98-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-97-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-90-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-89-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-82-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2256-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-80-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2256-66-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2256-72-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2256-69-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2256-71-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2380-45-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2380-36-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2380-38-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2380-42-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2380-62-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2412-1-0x0000000074840000-0x0000000074F2E000-memory.dmp

Filesize
6.9MB

Download
memory/2412-5-0x0000000000340000-0x000000000034C000-memory.dmp

Filesize
48KB

Download
memory/2412-6-0x0000000005C10000-0x0000000005CD0000-memory.dmp

Filesize
768KB

Download
memory/2412-4-0x00000000004F0000-0x00000000004F8000-memory.dmp

Filesize
32KB

Download
memory/2412-0-0x0000000000100000-0x00000000001F8000-memory.dmp

Filesize
992KB

Download
memory/2412-3-0x00000000004D0000-0x00000000004EC000-memory.dmp

Filesize
112KB

Download
memory/2412-2-0x0000000004DA0000-0x0000000004DE0000-memory.dmp

Filesize
256KB

Download
memory/2412-23-0x0000000074840000-0x0000000074F2E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads