remcos | 0c31fc86850da72595f728c90d79881a5e8e8c80369bd5e9e4a16f73f6c15396

General

Target

RFQ_Order.exe
Size

1.5MB
MD5

58a530e3f4d17e572a11f69a7caca700
SHA1

4613d307a37656ecaf8ee873abdf92b188d091dd
SHA256

0c31fc86850da72595f728c90d79881a5e8e8c80369bd5e9e4a16f73f6c15396
SHA512

2eb97f9bf5305bf2b135717c4cf0f7876b655adcce618d51f5f1420ff3c4367b6ce067d9e5f58e41c76ff9e2ead296cf29eacadac56a83024e9aba985e8a62b5
SSDEEP

24576:uaKhdf/xIM1PDH6s5KIJXLzHh8Y6b0uvyl9QtfPiS+YiCKPPRZ5bKJ0t:FmXuMXLtPSjalmyS7iDKE

Score

10^/10

remcos remotehost evasion execution rat trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

185.29.9.103:2404

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-GCWMZ9
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
UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1548.002

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

RFQ_Order.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" RFQ_Order.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	RFQ_Order.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

RFQ_Order.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	RFQ_Order.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\RFQ_Order.exe = "0"	RFQ_Order.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

832 powershell.exe

pid	process
832	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:

RFQ_Order.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	RFQ_Order.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Windows security modification 2 TTPs 3 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

RFQ_Order.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	RFQ_Order.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	RFQ_Order.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\RFQ_Order.exe = "0"	RFQ_Order.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

RFQ_Order.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RFQ_Order.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	RFQ_Order.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ_Order.exe

description pid process target process

PID 3792 set thread context of 392 3792 RFQ_Order.exe vbc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

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

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 832 powershell.exe

description	pid	process	target process
PID 3792 set thread context of 392	3792	RFQ_Order.exe	vbc.exe

pid	process
832	powershell.exe
832	powershell.exe

description	pid	process
Token: SeDebugPrivilege	832	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

RFQ_Order.exe

description	pid	process	target process
PID 3792 wrote to memory of 832	3792	RFQ_Order.exe	powershell.exe
PID 3792 wrote to memory of 832	3792	RFQ_Order.exe	powershell.exe
PID 3792 wrote to memory of 392	3792	RFQ_Order.exe	vbc.exe
PID 3792 wrote to memory of 392	3792	RFQ_Order.exe	vbc.exe
PID 3792 wrote to memory of 392	3792	RFQ_Order.exe	vbc.exe
PID 3792 wrote to memory of 392	3792	RFQ_Order.exe	vbc.exe
PID 3792 wrote to memory of 392	3792	RFQ_Order.exe	vbc.exe
PID 3792 wrote to memory of 392	3792	RFQ_Order.exe	vbc.exe
PID 3792 wrote to memory of 392	3792	RFQ_Order.exe	vbc.exe
PID 3792 wrote to memory of 392	3792	RFQ_Order.exe	vbc.exe
PID 3792 wrote to memory of 392	3792	RFQ_Order.exe	vbc.exe
PID 3792 wrote to memory of 392	3792	RFQ_Order.exe	vbc.exe
PID 3792 wrote to memory of 392	3792	RFQ_Order.exe	vbc.exe
PID 3792 wrote to memory of 392	3792	RFQ_Order.exe	vbc.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

RFQ_Order.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" RFQ_Order.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	RFQ_Order.exe

C:\Users\Admin\AppData\Local\Temp\RFQ_Order.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ_Order.exe"
1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3792

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RFQ_Order.exe" -Force
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:832

C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
2⤵
PID:392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

Scripting

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

3

T1562

Disable or Modify Tools

Modify Registry

Scripting

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4tpqv3eq.3ad.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/392-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/392-5-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/392-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/392-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/392-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/392-6-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/392-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/392-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/392-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/392-39-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/392-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/392-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/392-38-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/392-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/392-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/392-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/392-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/392-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/832-28-0x00007FFCDC030000-0x00007FFCDCAF1000-memory.dmp

Filesize
10.8MB

Download
memory/832-17-0x0000021FD1F70000-0x0000021FD1F92000-memory.dmp

Filesize
136KB

Download
memory/832-22-0x00007FFCDC030000-0x00007FFCDCAF1000-memory.dmp

Filesize
10.8MB

Download
memory/832-11-0x00007FFCDC030000-0x00007FFCDCAF1000-memory.dmp

Filesize
10.8MB

Download
memory/832-10-0x00007FFCDC033000-0x00007FFCDC035000-memory.dmp

Filesize
8KB

Download
memory/3792-31-0x00007FFCDC030000-0x00007FFCDCAF1000-memory.dmp

Filesize
10.8MB

Download
memory/3792-0-0x00007FFCDC033000-0x00007FFCDC035000-memory.dmp

Filesize
8KB

Download
memory/3792-2-0x00007FFCDC030000-0x00007FFCDCAF1000-memory.dmp

Filesize
10.8MB

Download
memory/3792-3-0x00007FFCDC030000-0x00007FFCDCAF1000-memory.dmp

Filesize
10.8MB

Download
memory/3792-1-0x00000220E6900000-0x00000220E690A000-memory.dmp

Filesize
40KB

Download
memory/3792-4-0x00000220FF4E0000-0x00000220FF5B2000-memory.dmp

Filesize
840KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads