remcos | 3b6f13caf1fff58da3a4ba290b6d7f2f4ef496517b0adc066137dc97e2ac7457

General

Target

591f8f7f1f6fd6a7f723bdc73253fcae.exe
Size

2.3MB
MD5

591f8f7f1f6fd6a7f723bdc73253fcae
SHA1

368fe6569d723c0b54a63a0c308cd648f35bdcc1
SHA256

3b6f13caf1fff58da3a4ba290b6d7f2f4ef496517b0adc066137dc97e2ac7457
SHA512

a474d88a3139ea5205f6a02a5a91780da8c4ec27d6f287f72feae0dd5e486989a1b73fad58d4f1364c6dc244ff2ca2801bcd459ee5042a9ea080cec50334ae0c
SSDEEP

49152:XHmN3mosk90948L+g+ok5tAQXhcqb8pdEDzyjHr2IvMAzlTu2Qidl5pBax:XHw3XsL+g+zAQfZiLtvMAzJuepBa

Score

10^/10

remcos mercy collection rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

mercy

C2

mazhararyousaf.ddns.net:52046

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-C3LYJ6
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/1040-88-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral1/memory/1040-91-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/692-87-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/692-89-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1360-86-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/692-87-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/1040-88-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral1/memory/692-89-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/1040-91-0x0000000000400000-0x0000000000457000-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:

591f8f7f1f6fd6a7f723bdc73253fcae.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	591f8f7f1f6fd6a7f723bdc73253fcae.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

591f8f7f1f6fd6a7f723bdc73253fcae.exe591f8f7f1f6fd6a7f723bdc73253fcae.exe

description	pid	process	target process
PID 1368 set thread context of 1696	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 set thread context of 692	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 set thread context of 1040	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 set thread context of 1360	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe591f8f7f1f6fd6a7f723bdc73253fcae.exe

pid process

896 powershell.exe
692 591f8f7f1f6fd6a7f723bdc73253fcae.exe
692 591f8f7f1f6fd6a7f723bdc73253fcae.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

591f8f7f1f6fd6a7f723bdc73253fcae.exe

pid process

1696 591f8f7f1f6fd6a7f723bdc73253fcae.exe
1696 591f8f7f1f6fd6a7f723bdc73253fcae.exe
1696 591f8f7f1f6fd6a7f723bdc73253fcae.exe

pid	process
896	powershell.exe
692	591f8f7f1f6fd6a7f723bdc73253fcae.exe
692	591f8f7f1f6fd6a7f723bdc73253fcae.exe

pid	process
1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe
1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe
1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

591f8f7f1f6fd6a7f723bdc73253fcae.exepowershell.exe591f8f7f1f6fd6a7f723bdc73253fcae.exe

description	pid	process
Token: SeDebugPrivilege	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe
Token: SeDebugPrivilege	896	powershell.exe
Token: SeDebugPrivilege	1360	591f8f7f1f6fd6a7f723bdc73253fcae.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

591f8f7f1f6fd6a7f723bdc73253fcae.exe

pid process

1696 591f8f7f1f6fd6a7f723bdc73253fcae.exe

pid	process
1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

591f8f7f1f6fd6a7f723bdc73253fcae.exe591f8f7f1f6fd6a7f723bdc73253fcae.exe

C:\Users\Admin\AppData\Local\Temp\591f8f7f1f6fd6a7f723bdc73253fcae.exe
"C:\Users\Admin\AppData\Local\Temp\591f8f7f1f6fd6a7f723bdc73253fcae.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1368

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwA3AA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:896

C:\Users\Admin\AppData\Local\Temp\591f8f7f1f6fd6a7f723bdc73253fcae.exe
C:\Users\Admin\AppData\Local\Temp\591f8f7f1f6fd6a7f723bdc73253fcae.exe
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1696

C:\Users\Admin\AppData\Local\Temp\591f8f7f1f6fd6a7f723bdc73253fcae.exe
C:\Users\Admin\AppData\Local\Temp\591f8f7f1f6fd6a7f723bdc73253fcae.exe /stext "C:\Users\Admin\AppData\Local\Temp\lkwruynjs"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:692

C:\Users\Admin\AppData\Local\Temp\591f8f7f1f6fd6a7f723bdc73253fcae.exe
C:\Users\Admin\AppData\Local\Temp\591f8f7f1f6fd6a7f723bdc73253fcae.exe /stext "C:\Users\Admin\AppData\Local\Temp\vecjuqykgucl"
3⤵
- Accesses Microsoft Outlook accounts
PID:1040

C:\Users\Admin\AppData\Local\Temp\591f8f7f1f6fd6a7f723bdc73253fcae.exe
C:\Users\Admin\AppData\Local\Temp\591f8f7f1f6fd6a7f723bdc73253fcae.exe /stext "C:\Users\Admin\AppData\Local\Temp\yyhcnjjeucupbmo"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1360

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

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\lkwruynjs
Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/692-80-0x0000000000476274-mapping.dmp

Download
memory/692-87-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/692-89-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/896-59-0x000000006E960000-0x000000006EF0B000-memory.dmp

Filesize
5.7MB

Download
memory/896-60-0x000000006E960000-0x000000006EF0B000-memory.dmp

Filesize
5.7MB

Download
memory/896-61-0x000000006E960000-0x000000006EF0B000-memory.dmp

Filesize
5.7MB

Download
memory/896-57-0x0000000000000000-mapping.dmp

Download
memory/1040-91-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/1040-88-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/1040-81-0x0000000000455238-mapping.dmp

Download
memory/1360-86-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1360-82-0x0000000000422206-mapping.dmp

Download
memory/1368-54-0x0000000000FB0000-0x000000000120C000-memory.dmp

Filesize
2.4MB

Download
memory/1368-56-0x0000000076071000-0x0000000076073000-memory.dmp

Filesize
8KB

Download
memory/1368-55-0x0000000004AB0000-0x0000000004D06000-memory.dmp

Filesize
2.3MB

Download
memory/1696-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1696-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1696-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1696-75-0x000000000043292E-mapping.dmp

Download
memory/1696-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1696-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1696-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1696-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1696-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1696-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1696-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1696-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1696-92-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

description	pid	process	target process
PID 1368 wrote to memory of 896	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	powershell.exe
PID 1368 wrote to memory of 896	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	powershell.exe
PID 1368 wrote to memory of 896	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	powershell.exe
PID 1368 wrote to memory of 896	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	powershell.exe
PID 1368 wrote to memory of 1696	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1368 wrote to memory of 1696	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1368 wrote to memory of 1696	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1368 wrote to memory of 1696	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1368 wrote to memory of 1696	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1368 wrote to memory of 1696	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1368 wrote to memory of 1696	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1368 wrote to memory of 1696	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1368 wrote to memory of 1696	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1368 wrote to memory of 1696	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1368 wrote to memory of 1696	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1368 wrote to memory of 1696	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1368 wrote to memory of 1696	1368	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 wrote to memory of 692	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 wrote to memory of 692	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 wrote to memory of 692	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 wrote to memory of 692	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 wrote to memory of 692	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 wrote to memory of 1040	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 wrote to memory of 1040	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 wrote to memory of 1040	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 wrote to memory of 1040	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 wrote to memory of 1040	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 wrote to memory of 1360	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 wrote to memory of 1360	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 wrote to memory of 1360	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 wrote to memory of 1360	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe
PID 1696 wrote to memory of 1360	1696	591f8f7f1f6fd6a7f723bdc73253fcae.exe	591f8f7f1f6fd6a7f723bdc73253fcae.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads