remcos | 47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
17-05-2024 01:21

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General

Target

47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe
Size

964KB
MD5

0eaba88fca68eff352d2cd9b693ddda3
SHA1

ee8ff1dc367c5f3ee33f93b2a120475b84a14a96
SHA256

47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159
SHA512

09c0327dab156625de632cc5a67c9fefc889fe823230ff482e801d79fa71d9da5be3d4a4b889e95932cbf89108accfc061f656d89be16f6f0aed043e9151195b
SSDEEP

24576:IUpp36RouMMf0wB62Q01KXnotjk8QocG6ahxGne3yu/9SZ:DppAoU8w42Q0UXnotgFBQk

Score

10^/10

remcos 76364 execution rat

Malware Config

Extracted

Family

remcos

Botnet

76364

103.150.8.12:5689

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-FF0K7G
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

detects Windows exceutables potentially bypassing UAC using eventvwr.exe 17 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3476-26-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/3476-40-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/3476-25-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/3476-24-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/3476-27-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/3476-69-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/3476-70-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/3476-71-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/3476-72-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/3476-73-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/3476-74-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/3476-75-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/3476-76-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/3476-77-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/3476-78-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/3476-79-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
behavioral2/memory/3476-80-0x0000000000400000-0x000000000047F000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer

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

4000 powershell.exe

pid	process
4000	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:

47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe

description	pid	process	target process
PID 744 set thread context of 3476	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe

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

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/Job
T1053

Processes:

schtasks.exe

pid process

1924 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4000 powershell.exe
4000 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4000 powershell.exe

pid	process
1924	schtasks.exe

pid	process
4000	powershell.exe
4000	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4000	powershell.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe

C:\Users\Admin\AppData\Local\Temp\47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe
"C:\Users\Admin\AppData\Local\Temp\47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:744
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zeGjhC.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4000
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zeGjhC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp60BD.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1924
- C:\Users\Admin\AppData\Local\Temp\47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe
  "C:\Users\Admin\AppData\Local\Temp\47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe"
  2⤵
  PID:3476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2o51hmak.u2q.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp60BD.tmp

Filesize
1KB

MD5
fcf35dc791a1181dd1354a7685914752

SHA1
7458491b8ed800abc73ab13623d22c50b67eb533

SHA256
157b573881038809ca3f9fa085e1111ef13f8223e7f9e99c99321f116801a345

SHA512
3038f5c76d91660ef1e1248d0cc57529f0052c5145efdd5889b79f42e1be8f6cacb85e38d07264bed031d37904c08b5733bee2fd969b33d6b9af368dc8ac41e6

Download Submit
memory/744-7-0x0000000005E90000-0x0000000005E9C000-memory.dmp

Filesize
48KB

Download
memory/744-6-0x0000000005EB0000-0x0000000005ED2000-memory.dmp

Filesize
136KB

Download
memory/744-0-0x000000007488E000-0x000000007488F000-memory.dmp

Filesize
4KB

Download
memory/744-5-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/744-41-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/744-1-0x0000000000F80000-0x0000000001078000-memory.dmp

Filesize
992KB

Download
memory/744-8-0x0000000003410000-0x0000000003420000-memory.dmp

Filesize
64KB

Download
memory/744-9-0x0000000008840000-0x00000000088FE000-memory.dmp

Filesize
760KB

Download
memory/744-10-0x00000000099A0000-0x0000000009A3C000-memory.dmp

Filesize
624KB

Download
memory/744-2-0x0000000005F70000-0x0000000006514000-memory.dmp

Filesize
5.6MB

Download
memory/744-4-0x0000000005B20000-0x0000000005B2A000-memory.dmp

Filesize
40KB

Download
memory/744-3-0x0000000005A60000-0x0000000005AF2000-memory.dmp

Filesize
584KB

Download
memory/3476-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3476-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3476-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3476-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3476-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3476-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3476-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3476-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3476-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3476-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3476-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3476-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3476-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3476-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3476-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3476-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3476-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4000-42-0x0000000005B90000-0x0000000005BAE000-memory.dmp

Filesize
120KB

Download
memory/4000-45-0x0000000075110000-0x000000007515C000-memory.dmp

Filesize
304KB

Download
memory/4000-56-0x0000000006BB0000-0x0000000006C53000-memory.dmp

Filesize
652KB

Download
memory/4000-57-0x00000000074F0000-0x0000000007B6A000-memory.dmp

Filesize
6.5MB

Download
memory/4000-58-0x0000000006EB0000-0x0000000006ECA000-memory.dmp

Filesize
104KB

Download
memory/4000-59-0x0000000006F20000-0x0000000006F2A000-memory.dmp

Filesize
40KB

Download
memory/4000-60-0x0000000007130000-0x00000000071C6000-memory.dmp

Filesize
600KB

Download
memory/4000-61-0x00000000070B0000-0x00000000070C1000-memory.dmp

Filesize
68KB

Download
memory/4000-62-0x00000000070E0000-0x00000000070EE000-memory.dmp

Filesize
56KB

Download
memory/4000-63-0x00000000070F0000-0x0000000007104000-memory.dmp

Filesize
80KB

Download
memory/4000-64-0x00000000071F0000-0x000000000720A000-memory.dmp

Filesize
104KB

Download
memory/4000-65-0x00000000071D0000-0x00000000071D8000-memory.dmp

Filesize
32KB

Download
memory/4000-68-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/4000-55-0x0000000006180000-0x000000000619E000-memory.dmp

Filesize
120KB

Download
memory/4000-44-0x0000000006140000-0x0000000006172000-memory.dmp

Filesize
200KB

Download
memory/4000-43-0x0000000005C20000-0x0000000005C6C000-memory.dmp

Filesize
304KB

Download
memory/4000-39-0x00000000055A0000-0x00000000058F4000-memory.dmp

Filesize
3.3MB

Download
memory/4000-21-0x0000000004D80000-0x0000000004DE6000-memory.dmp

Filesize
408KB

Download
memory/4000-22-0x0000000005530000-0x0000000005596000-memory.dmp

Filesize
408KB

Download
memory/4000-23-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/4000-20-0x0000000004BD0000-0x0000000004BF2000-memory.dmp

Filesize
136KB

Download
memory/4000-18-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/4000-17-0x0000000074880000-0x0000000075030000-memory.dmp

Filesize
7.7MB

Download
memory/4000-16-0x0000000004E10000-0x0000000005438000-memory.dmp

Filesize
6.2MB

Download
memory/4000-15-0x0000000002240000-0x0000000002276000-memory.dmp

Filesize
216KB

Download

description	pid	process	target process
PID 744 wrote to memory of 4000	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	powershell.exe
PID 744 wrote to memory of 4000	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	powershell.exe
PID 744 wrote to memory of 4000	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	powershell.exe
PID 744 wrote to memory of 1924	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	schtasks.exe
PID 744 wrote to memory of 1924	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	schtasks.exe
PID 744 wrote to memory of 1924	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	schtasks.exe
PID 744 wrote to memory of 3476	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe
PID 744 wrote to memory of 3476	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe
PID 744 wrote to memory of 3476	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe
PID 744 wrote to memory of 3476	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe
PID 744 wrote to memory of 3476	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe
PID 744 wrote to memory of 3476	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe
PID 744 wrote to memory of 3476	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe
PID 744 wrote to memory of 3476	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe
PID 744 wrote to memory of 3476	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe
PID 744 wrote to memory of 3476	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe
PID 744 wrote to memory of 3476	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe
PID 744 wrote to memory of 3476	744	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe	47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159.exe