remcos | b563d460e40277fd18dfa645f16081ed6328f519e218afc6570dafe951f5feea

General

Target

new order.scr.exe
Size

851KB
MD5

ab7e3cccd94cc5df7853333415b99fb1
SHA1

ff381ca8da20161a8358a890367cee019fcfb042
SHA256

b563d460e40277fd18dfa645f16081ed6328f519e218afc6570dafe951f5feea
SHA512

8b8c155337a21f7018d19c98a3f0c560d6cad2bdd5418fcb6cf05bea5fb7d027a1800d6dc0231e9d480407dc78f5caa3d03b7d6013893b053d51a54f1a45f086
SSDEEP

12288:xi6j8RfQAG1TilbZCL/JoxFKYT8JOs7sYt1hB28Qa5KLAAAgz0aIXWX6:xi6ofQArbZmKFg4iv/NcXog

Score

10^/10

remcos ip-remcos collection rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

IP-REMCOS

C2

91.192.100.12:2404

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-JS00ZN
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/364-91-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral1/memory/364-95-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral1/memory/1476-90-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/1476-93-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1640-87-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/364-91-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral1/memory/1476-90-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/1476-93-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/364-95-0x0000000000400000-0x0000000000457000-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:

new order.scr.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	new order.scr.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

new order.scr.exenew order.scr.exe

description	pid	process	target process
PID 1764 set thread context of 768	1764	new order.scr.exe	new order.scr.exe
PID 768 set thread context of 1476	768	new order.scr.exe	new order.scr.exe
PID 768 set thread context of 364	768	new order.scr.exe	new order.scr.exe
PID 768 set thread context of 1640	768	new order.scr.exe	new order.scr.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1336 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exenew order.scr.exe

pid process

1512 powershell.exe
1476 new order.scr.exe
1476 new order.scr.exe
Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

new order.scr.exe

pid process

768 new order.scr.exe
768 new order.scr.exe
768 new order.scr.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exenew order.scr.exe

description pid process

Token: SeDebugPrivilege 1512 powershell.exe
Token: SeDebugPrivilege 1640 new order.scr.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

new order.scr.exe

pid process

768 new order.scr.exe

pid	process
1336	schtasks.exe

pid	process
1512	powershell.exe
1476	new order.scr.exe
1476	new order.scr.exe

pid	process
768	new order.scr.exe
768	new order.scr.exe
768	new order.scr.exe

description	pid	process
Token: SeDebugPrivilege	1512	powershell.exe
Token: SeDebugPrivilege	1640	new order.scr.exe

pid	process
768	new order.scr.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

new order.scr.exenew order.scr.exe

description	pid	process	target process
PID 1764 wrote to memory of 1512	1764	new order.scr.exe	powershell.exe
PID 1764 wrote to memory of 1512	1764	new order.scr.exe	powershell.exe
PID 1764 wrote to memory of 1512	1764	new order.scr.exe	powershell.exe
PID 1764 wrote to memory of 1512	1764	new order.scr.exe	powershell.exe
PID 1764 wrote to memory of 1336	1764	new order.scr.exe	schtasks.exe
PID 1764 wrote to memory of 1336	1764	new order.scr.exe	schtasks.exe
PID 1764 wrote to memory of 1336	1764	new order.scr.exe	schtasks.exe
PID 1764 wrote to memory of 1336	1764	new order.scr.exe	schtasks.exe
PID 1764 wrote to memory of 768	1764	new order.scr.exe	new order.scr.exe
PID 1764 wrote to memory of 768	1764	new order.scr.exe	new order.scr.exe
PID 1764 wrote to memory of 768	1764	new order.scr.exe	new order.scr.exe
PID 1764 wrote to memory of 768	1764	new order.scr.exe	new order.scr.exe
PID 1764 wrote to memory of 768	1764	new order.scr.exe	new order.scr.exe
PID 1764 wrote to memory of 768	1764	new order.scr.exe	new order.scr.exe
PID 1764 wrote to memory of 768	1764	new order.scr.exe	new order.scr.exe
PID 1764 wrote to memory of 768	1764	new order.scr.exe	new order.scr.exe
PID 1764 wrote to memory of 768	1764	new order.scr.exe	new order.scr.exe
PID 1764 wrote to memory of 768	1764	new order.scr.exe	new order.scr.exe
PID 1764 wrote to memory of 768	1764	new order.scr.exe	new order.scr.exe
PID 1764 wrote to memory of 768	1764	new order.scr.exe	new order.scr.exe
PID 1764 wrote to memory of 768	1764	new order.scr.exe	new order.scr.exe
PID 768 wrote to memory of 1476	768	new order.scr.exe	new order.scr.exe
PID 768 wrote to memory of 1476	768	new order.scr.exe	new order.scr.exe
PID 768 wrote to memory of 1476	768	new order.scr.exe	new order.scr.exe
PID 768 wrote to memory of 1476	768	new order.scr.exe	new order.scr.exe
PID 768 wrote to memory of 1476	768	new order.scr.exe	new order.scr.exe
PID 768 wrote to memory of 364	768	new order.scr.exe	new order.scr.exe
PID 768 wrote to memory of 364	768	new order.scr.exe	new order.scr.exe
PID 768 wrote to memory of 364	768	new order.scr.exe	new order.scr.exe
PID 768 wrote to memory of 364	768	new order.scr.exe	new order.scr.exe
PID 768 wrote to memory of 364	768	new order.scr.exe	new order.scr.exe
PID 768 wrote to memory of 1640	768	new order.scr.exe	new order.scr.exe
PID 768 wrote to memory of 1640	768	new order.scr.exe	new order.scr.exe
PID 768 wrote to memory of 1640	768	new order.scr.exe	new order.scr.exe
PID 768 wrote to memory of 1640	768	new order.scr.exe	new order.scr.exe
PID 768 wrote to memory of 1640	768	new order.scr.exe	new order.scr.exe

C:\Users\Admin\AppData\Local\Temp\new order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\new order.scr.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1764

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AWhQVxor.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1512

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AWhQVxor" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA4B9.tmp"
2⤵
- Creates scheduled task(s)
PID:1336

C:\Users\Admin\AppData\Local\Temp\new order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\new order.scr.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:768

C:\Users\Admin\AppData\Local\Temp\new order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\new order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\uwgqjwuogvgzulpghe"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:1476

C:\Users\Admin\AppData\Local\Temp\new order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\new order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\fqmajpfpcdymfzlkqpmgu"
3⤵
- Accesses Microsoft Outlook accounts
PID:364

C:\Users\Admin\AppData\Local\Temp\new order.scr.exe
"C:\Users\Admin\AppData\Local\Temp\new order.scr.exe" /stext "C:\Users\Admin\AppData\Local\Temp\psztkhpjqlqrhfzohaziflck"
3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1640

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

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\tmpA4B9.tmp
Filesize
1KB

MD5
df246bce81c0397959ac4d0fd23b6ca1

SHA1
1308f1bf85ecc542cc75c1d826c633152002ddee

SHA256
d6a2de623c73677a686f87bf53e68c1b4577304ed26df94e5bfde3542e458c92

SHA512
d24daecbd4a2446047ee901054d3e38ca816ee2ade921d2311c2b59fd1cd41fe4f4f88696045fe26283b1da3b650650423ada386ddb0d51a2718fef07525c58b

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

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/364-83-0x0000000000455238-mapping.dmp

Download
memory/364-95-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/364-91-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/768-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/768-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/768-96-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/768-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/768-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/768-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/768-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/768-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/768-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/768-77-0x00000000004327A4-mapping.dmp

Download
memory/768-89-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/768-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/768-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1336-61-0x0000000000000000-mapping.dmp

Download
memory/1476-93-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1476-81-0x0000000000476274-mapping.dmp

Download
memory/1476-90-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1512-88-0x000000006ED10000-0x000000006F2BB000-memory.dmp

Filesize
5.7MB

Download
memory/1512-59-0x0000000000000000-mapping.dmp

Download
memory/1512-92-0x000000006ED10000-0x000000006F2BB000-memory.dmp

Filesize
5.7MB

Download
memory/1640-87-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1640-85-0x0000000000422206-mapping.dmp

Download
memory/1764-54-0x00000000013D0000-0x00000000014AC000-memory.dmp

Filesize
880KB

Download
memory/1764-63-0x0000000005C70000-0x0000000005CEC000-memory.dmp

Filesize
496KB

Download
memory/1764-58-0x0000000008110000-0x00000000081D6000-memory.dmp

Filesize
792KB

Download
memory/1764-57-0x00000000002B0000-0x00000000002BC000-memory.dmp

Filesize
48KB

Download
memory/1764-56-0x0000000000950000-0x0000000000968000-memory.dmp

Filesize
96KB

Download
memory/1764-55-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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