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
behavioral1/memory/1760-57-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/1760-69-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/2116-49-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2116-66-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2116-49-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/1760-57-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2112-60-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2112-59-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2112-61-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2116-66-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/1760-69-0x0000000000400000-0x0000000000462000-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 SY103 first order 2024.scr

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\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 2084 set thread context of 1968	2084	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 set thread context of 2116	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 set thread context of 1760	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 set thread context of 2112	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RFQ SY103 first order 2024.scr

pid process

2116 RFQ SY103 first order 2024.scr
2116 RFQ SY103 first order 2024.scr
Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

RFQ SY103 first order 2024.scr

pid process

1968 RFQ SY103 first order 2024.scr
1968 RFQ SY103 first order 2024.scr
1968 RFQ SY103 first order 2024.scr
1968 RFQ SY103 first order 2024.scr
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RFQ SY103 first order 2024.scr

description pid process

Token: SeDebugPrivilege 2112 RFQ SY103 first order 2024.scr
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RFQ SY103 first order 2024.scr

pid process

1968 RFQ SY103 first order 2024.scr

pid	process
2116	RFQ SY103 first order 2024.scr
2116	RFQ SY103 first order 2024.scr

pid	process
1968	RFQ SY103 first order 2024.scr
1968	RFQ SY103 first order 2024.scr
1968	RFQ SY103 first order 2024.scr
1968	RFQ SY103 first order 2024.scr

description	pid	process
Token: SeDebugPrivilege	2112	RFQ SY103 first order 2024.scr

pid	process
1968	RFQ SY103 first order 2024.scr

Suspicious use of WriteProcessMemory 32 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:2084

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:1968

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\zyzakscn"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2116

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\jaekdlnpubv"
3⤵
PID:2452

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\jaekdlnpubv"
3⤵
- Accesses Microsoft Outlook accounts
PID:1760

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\mvsdedyiijnwvgb"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2112

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
1260915b48bd9f2b11e53fb766bb92ed

SHA1
47a9b3c88b3d4667597698b1b9755a9dbb4b94e1

SHA256
1d1e31bffab891a2b071d448000ee4e2571ffe3b80a6ca4173f5f1570fba5e36

SHA512
5930fa175fe8c57d29650e745251d9daa340abbf5e5f93ae8a69b1d5498af7c5636895283c964958f5db6050523abe52a6ef15ee51d59f26ce22882eec0ede27

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

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/1760-48-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1760-69-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1760-57-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1760-54-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1968-73-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1968-93-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-18-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1968-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-109-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-108-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-101-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-100-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-92-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-85-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1968-84-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-83-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-79-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-76-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1968-75-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1968-74-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1968-70-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2084-5-0x0000000005530000-0x00000000055F0000-memory.dmp

Filesize
768KB

Download
memory/2084-4-0x00000000002B0000-0x00000000002BC000-memory.dmp

Filesize
48KB

Download
memory/2084-3-0x0000000000290000-0x00000000002A0000-memory.dmp

Filesize
64KB

Download
memory/2084-2-0x0000000004EF0000-0x0000000004F30000-memory.dmp

Filesize
256KB

Download
memory/2084-0-0x00000000002D0000-0x00000000003C6000-memory.dmp

Filesize
984KB

Download
memory/2084-1-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/2084-26-0x0000000074900000-0x0000000074FEE000-memory.dmp

Filesize
6.9MB

Download
memory/2112-61-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2112-58-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2112-60-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2112-59-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2112-53-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2116-47-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2116-66-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2116-49-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2116-43-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2116-41-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

description	pid	process	target process
PID 2084 wrote to memory of 1968	2084	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 2084 wrote to memory of 1968	2084	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 2084 wrote to memory of 1968	2084	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 2084 wrote to memory of 1968	2084	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 2084 wrote to memory of 1968	2084	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 2084 wrote to memory of 1968	2084	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 2084 wrote to memory of 1968	2084	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 2084 wrote to memory of 1968	2084	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 2084 wrote to memory of 1968	2084	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 2084 wrote to memory of 1968	2084	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 2084 wrote to memory of 1968	2084	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 2084 wrote to memory of 1968	2084	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 2084 wrote to memory of 1968	2084	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 2116	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 2116	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 2116	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 2116	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 2116	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 2452	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 2452	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 2452	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 2452	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 1760	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 1760	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 1760	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 1760	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 1760	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 2112	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 2112	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 2112	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 2112	1968	RFQ SY103 first order 2024.scr	RFQ SY103 first order 2024.scr
PID 1968 wrote to memory of 2112	1968	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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