remcos | a04aaf2bf84a97c525d32b13c673e8f50c0980c50e321afe8d51de9e243924a8

General

Target

RFQ 202209.exe
Size

1.3MB
MD5

2eb993eae521117abeb184195490b57a
SHA1

7114649dc2116ff3ca020c05440464738c1ae13b
SHA256

5542dd26db06cbc6b03f1323db7ff6792a69bcf3dcd6a6c978b91018c7f0a0ee
SHA512

c29f10d3317c3f6fa06df0d30a0c3e2272068fe9b5860411d909b090d69211b1bae0d79a5bd77a73844ba075a73cb6c604d06c5e28e2b144baa00f7e00f9f2f0
SSDEEP

24576:Sl1XSjildH84qAc/8jAx6SgXIWA8KB4iEkz/K3h2:S/NH84I/8jA1geB4R2g

Score

10^/10

remcos new rem stub collection rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

NEW REM STUB

C2

valvesco.duckdns.org:5050

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-48V73L
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
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/848-87-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral1/memory/848-88-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 1 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/2020-85-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/556-84-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2020-85-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/848-87-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral1/memory/848-88-0x0000000000400000-0x0000000000457000-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
T1081

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

RFQ 202209.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	RFQ 202209.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

RFQ 202209.exeRFQ 202209.exe

description	pid	process	target process
PID 112 set thread context of 1800	112	RFQ 202209.exe	RFQ 202209.exe
PID 1800 set thread context of 2020	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 set thread context of 848	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 set thread context of 556	1800	RFQ 202209.exe	RFQ 202209.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RFQ 202209.exeRFQ 202209.exe

pid process

112 RFQ 202209.exe
112 RFQ 202209.exe
2020 RFQ 202209.exe
Suspicious behavior: MapViewOfSection 4 IoCs

Processes:

RFQ 202209.exe

pid process

1800 RFQ 202209.exe
1800 RFQ 202209.exe
1800 RFQ 202209.exe
1800 RFQ 202209.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RFQ 202209.exeRFQ 202209.exe

description pid process

Token: SeDebugPrivilege 112 RFQ 202209.exe
Token: SeDebugPrivilege 556 RFQ 202209.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RFQ 202209.exe

pid process

1800 RFQ 202209.exe

pid	process
112	RFQ 202209.exe
112	RFQ 202209.exe
2020	RFQ 202209.exe

pid	process
1800	RFQ 202209.exe
1800	RFQ 202209.exe
1800	RFQ 202209.exe
1800	RFQ 202209.exe

description	pid	process
Token: SeDebugPrivilege	112	RFQ 202209.exe
Token: SeDebugPrivilege	556	RFQ 202209.exe

pid	process
1800	RFQ 202209.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

RFQ 202209.exeRFQ 202209.exe

description	pid	process	target process
PID 112 wrote to memory of 1800	112	RFQ 202209.exe	RFQ 202209.exe
PID 112 wrote to memory of 1800	112	RFQ 202209.exe	RFQ 202209.exe
PID 112 wrote to memory of 1800	112	RFQ 202209.exe	RFQ 202209.exe
PID 112 wrote to memory of 1800	112	RFQ 202209.exe	RFQ 202209.exe
PID 112 wrote to memory of 1800	112	RFQ 202209.exe	RFQ 202209.exe
PID 112 wrote to memory of 1800	112	RFQ 202209.exe	RFQ 202209.exe
PID 112 wrote to memory of 1800	112	RFQ 202209.exe	RFQ 202209.exe
PID 112 wrote to memory of 1800	112	RFQ 202209.exe	RFQ 202209.exe
PID 112 wrote to memory of 1800	112	RFQ 202209.exe	RFQ 202209.exe
PID 112 wrote to memory of 1800	112	RFQ 202209.exe	RFQ 202209.exe
PID 112 wrote to memory of 1800	112	RFQ 202209.exe	RFQ 202209.exe
PID 112 wrote to memory of 1800	112	RFQ 202209.exe	RFQ 202209.exe
PID 112 wrote to memory of 1800	112	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 2020	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 2020	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 2020	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 2020	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 2020	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 1916	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 1916	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 1916	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 1916	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 848	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 848	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 848	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 848	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 848	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 556	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 556	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 556	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 556	1800	RFQ 202209.exe	RFQ 202209.exe
PID 1800 wrote to memory of 556	1800	RFQ 202209.exe	RFQ 202209.exe

C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:112

C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1800

C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe" /stext "C:\Users\Admin\AppData\Local\Temp\dtasvakivuopkbnumrgfxxmuugw"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2020

C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe" /stext "C:\Users\Admin\AppData\Local\Temp\nvfkvtubjcgcvhbydctyakhkdmobyps"
3⤵
- Accesses Microsoft Outlook accounts
PID:848

C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe" /stext "C:\Users\Admin\AppData\Local\Temp\nvfkvtubjcgcvhbydctyakhkdmobyps"
3⤵
PID:1916

C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ 202209.exe" /stext "C:\Users\Admin\AppData\Local\Temp\yqkvwlfdxkyhxnxcmngalobtebykraqvnn"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:556

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\dtasvakivuopkbnumrgfxxmuugw
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/112-54-0x0000000000840000-0x0000000000998000-memory.dmp

Filesize
1.3MB

Download
memory/112-55-0x0000000074C11000-0x0000000074C13000-memory.dmp

Filesize
8KB

Download
memory/112-56-0x0000000000500000-0x0000000000516000-memory.dmp

Filesize
88KB

Download
memory/112-57-0x0000000000550000-0x000000000055C000-memory.dmp

Filesize
48KB

Download
memory/112-58-0x0000000005970000-0x0000000005A82000-memory.dmp

Filesize
1.1MB

Download
memory/112-59-0x0000000005B40000-0x0000000005C00000-memory.dmp

Filesize
768KB

Download
memory/556-84-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/556-80-0x0000000000422206-mapping.dmp

Download
memory/848-88-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/848-87-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/848-79-0x0000000000455238-mapping.dmp

Download
memory/1800-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1800-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1800-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1800-73-0x00000000004327A4-mapping.dmp

Download
memory/1800-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1800-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1800-89-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1800-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1800-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1800-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1800-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1800-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1800-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2020-85-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2020-78-0x0000000000476274-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads