remcos | 80a68cc0e6e5bdcc19c94d6824cddd8d1c45d55090ea48f29554c67495991f5b

General

Target

RFQ SY103 first order 2024.scr
Size

966KB
MD5

9beaec299e48eb0072fd6e270d8e8cd3
SHA1

a719b69d48a210af3749bccd27b4ad5185c35d8d
SHA256

554b40336bad24df88cbde544cdf20d553d02ce7fee5dab9a82318d7c21471e0
SHA512

d0742bee412db3abdb8ddee99ceaf45721f6c72c2b9044838d755b6e8a51377831177eb087f709efee31dc36871e2e274338734731e3d89519bebfb1e74c0733
SSDEEP

24576:dtHKWYHu2k6ei445zcNjNGbr3SN2jcjR11O7Akmla:7KWYHu2kf745zCa3SN2jcjRuUkK

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
behavioral2/memory/5008-36-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/5008-43-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/5100-35-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/5100-48-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 7 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5100-35-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/5008-36-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/5008-43-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/4288-45-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4288-44-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4288-46-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/5100-48-0x0000000000400000-0x0000000000478000-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 SY103 first order 2024.scr

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	RFQ SY103 first order 2024.scr

Suspicious use of SetThreadContext 4 IoCs

Processes:

RFQ SY103 first order 2024.scrRFQ SY103 first order 2024.scr

description	pid	process	target process
PID 4656 set thread context of 4032	4656	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 set thread context of 5100	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 set thread context of 5008	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 set thread context of 4288	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

RFQ SY103 first order 2024.scrRFQ SY103 first order 2024.scr

pid	process
5100	RFQ SY103 first order 2024.scr
5100	RFQ SY103 first order 2024.scr
4288	RFQ SY103 first order 2024.scr
4288	RFQ SY103 first order 2024.scr
5100	RFQ SY103 first order 2024.scr
5100	RFQ SY103 first order 2024.scr

Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

RFQ SY103 first order 2024.scr

pid process

4032 RFQ SY103 first order 2024.scr
4032 RFQ SY103 first order 2024.scr
4032 RFQ SY103 first order 2024.scr
4032 RFQ SY103 first order 2024.scr
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RFQ SY103 first order 2024.scr

description pid process

Token: SeDebugPrivilege 4288 RFQ SY103 first order 2024.scr
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RFQ SY103 first order 2024.scr

pid process

4032 RFQ SY103 first order 2024.scr

pid	process
4032	RFQ SY103 first order 2024.scr
4032	RFQ SY103 first order 2024.scr
4032	RFQ SY103 first order 2024.scr
4032	RFQ SY103 first order 2024.scr

description	pid	process
Token: SeDebugPrivilege	4288	RFQ SY103 first order 2024.scr

pid	process
4032	RFQ SY103 first order 2024.scr

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

RFQ SY103 first order 2024.scrRFQ SY103 first order 2024.scr

C:\Users\Admin\AppData\Local\Temp\RFQ SY103 first order 2024.scr
"C:\Users\Admin\AppData\Local\Temp\RFQ SY103 first order 2024.scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4656

C:\Users\Admin\AppData\Local\Temp\RFQ SY103 first order 2024.scr
"C:\Users\Admin\AppData\Local\Temp\RFQ SY103 first order 2024.scr"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4032

C:\Users\Admin\AppData\Local\Temp\RFQ SY103 first order 2024.scr
"C:\Users\Admin\AppData\Local\Temp\RFQ SY103 first order 2024.scr" /stext "C:\Users\Admin\AppData\Local\Temp\uetnbddtiidjlxizefaxb"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:5100

C:\Users\Admin\AppData\Local\Temp\RFQ SY103 first order 2024.scr
"C:\Users\Admin\AppData\Local\Temp\RFQ SY103 first order 2024.scr" /stext "C:\Users\Admin\AppData\Local\Temp\eyygbvnvwqvoodwloqmzmzdk"
3⤵
- Accesses Microsoft Outlook accounts
PID:5008

C:\Users\Admin\AppData\Local\Temp\RFQ SY103 first order 2024.scr
"C:\Users\Admin\AppData\Local\Temp\RFQ SY103 first order 2024.scr" /stext "C:\Users\Admin\AppData\Local\Temp\gadqcoypkznbyrkpfbhaxexbveso"
3⤵
PID:1088

C:\Users\Admin\AppData\Local\Temp\RFQ SY103 first order 2024.scr
"C:\Users\Admin\AppData\Local\Temp\RFQ SY103 first order 2024.scr" /stext "C:\Users\Admin\AppData\Local\Temp\gadqcoypkznbyrkpfbhaxexbveso"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4288

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

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Downloads

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

MD5
9a04dd0be747940d18ebd4114ae360b1

SHA1
1596b4996e999719c9e0ee57c667c5be9d9687e8

SHA256
540cf6fe6099022fd156efdc5d92adb1c3f66c23033a2091e7c949646416187e

SHA512
423b7c6dc1611fd0a52b7e81fbc3bc8f1a4ca3a444611bb42a6af9b0816c12179e6607d32b6de66167ffe86bed856f80d5f97b581591594f7865000b3aa12b13

Download Submit
C:\Users\Admin\AppData\Local\Temp\uetnbddtiidjlxizefaxb
Filesize
4KB

MD5
636c8230de66506aa2bdb3deee259503

SHA1
244299ce9ed66e9bed0c458c28fa3c417eeabdee

SHA256
98e7ebb0441c43ba079892f7fd1e9c1360d9d0e6d37575e452944fa0b08638d4

SHA512
fb5756dc8c9726be7b7629230ca5cf12c59f7d01225b9b73f08953bd02087bef10e1d2cdb6ed717776d683bd5ce523a069a6ab081992839a238056d57fc4eb6e

Download Submit
memory/4032-54-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4032-53-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4032-90-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-89-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-81-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-74-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-73-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-66-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-65-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-57-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4032-82-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-55-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4032-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4032-50-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4288-46-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4288-45-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4288-42-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4288-37-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4288-44-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4656-8-0x0000000006560000-0x0000000006620000-memory.dmp

Filesize
768KB

Download
memory/4656-14-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/4656-2-0x0000000004FF0000-0x0000000005594000-memory.dmp

Filesize
5.6MB

Download
memory/4656-6-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

Filesize
64KB

Download
memory/4656-0-0x00000000000B0000-0x00000000001A6000-memory.dmp

Filesize
984KB

Download
memory/4656-3-0x0000000004AE0000-0x0000000004B72000-memory.dmp

Filesize
584KB

Download
memory/4656-4-0x00000000026E0000-0x00000000026F0000-memory.dmp

Filesize
64KB

Download
memory/4656-5-0x0000000004A80000-0x0000000004A8A000-memory.dmp

Filesize
40KB

Download
memory/4656-7-0x0000000006080000-0x000000000608C000-memory.dmp

Filesize
48KB

Download
memory/4656-9-0x0000000008C10000-0x0000000008CAC000-memory.dmp

Filesize
624KB

Download
memory/4656-1-0x0000000075220000-0x00000000759D0000-memory.dmp

Filesize
7.7MB

Download
memory/5008-36-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/5008-29-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/5008-33-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/5008-43-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/5100-28-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/5100-32-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/5100-48-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/5100-35-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

description	pid	process	target process
PID 4656 wrote to memory of 4032	4656	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4656 wrote to memory of 4032	4656	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4656 wrote to memory of 4032	4656	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4656 wrote to memory of 4032	4656	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4656 wrote to memory of 4032	4656	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4656 wrote to memory of 4032	4656	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4656 wrote to memory of 4032	4656	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4656 wrote to memory of 4032	4656	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4656 wrote to memory of 4032	4656	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4656 wrote to memory of 4032	4656	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4656 wrote to memory of 4032	4656	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4656 wrote to memory of 4032	4656	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 wrote to memory of 5100	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 wrote to memory of 5100	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 wrote to memory of 5100	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 wrote to memory of 5100	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 wrote to memory of 5008	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 wrote to memory of 5008	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 wrote to memory of 5008	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 wrote to memory of 5008	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 wrote to memory of 1088	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 wrote to memory of 1088	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 wrote to memory of 1088	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 wrote to memory of 4288	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 wrote to memory of 4288	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 wrote to memory of 4288	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 4032 wrote to memory of 4288	4032	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads