remcos | 3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09

Analysis

max time kernel
150s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-01-2025 02:37

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General

Target

3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe
Size

1.0MB
MD5

0961238c5eb544064ec679ab3ae1d768
SHA1

97f2c51446ef7cc58451db902b83311540273dd3
SHA256

3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09
SHA512

89929f4730680d4d86efb9203ef615cee77fe68b141c1ba54932fb88455435afdd3f1249f8144f706cb10daf6fea6dea40f656fc3540dd559b46a808561a7fad
SSDEEP

24576:wYJN+UVsa/olu4AdAGswqi7Ramu9irQJ2GiaTQ:P3+UfP4MRMcrQ4ITQ

Score

10^/10

remcos host discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

Host

87.121.86.6:2404

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-QB5RVX
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
Remcos family
remcos

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

pid	Process
2812	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3668 set thread context of 3372	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	87

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe
3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe
2812	powershell.exe
2812	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe
Token: SeDebugPrivilege	2812	powershell.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 2812	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	84
PID 3668 wrote to memory of 2812	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	84
PID 3668 wrote to memory of 2812	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	84
PID 3668 wrote to memory of 3160	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	86
PID 3668 wrote to memory of 3160	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	86
PID 3668 wrote to memory of 3160	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	86
PID 3668 wrote to memory of 3372	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	87
PID 3668 wrote to memory of 3372	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	87
PID 3668 wrote to memory of 3372	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	87
PID 3668 wrote to memory of 3372	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	87
PID 3668 wrote to memory of 3372	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	87
PID 3668 wrote to memory of 3372	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	87
PID 3668 wrote to memory of 3372	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	87
PID 3668 wrote to memory of 3372	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	87
PID 3668 wrote to memory of 3372	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	87
PID 3668 wrote to memory of 3372	3668	3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe	87

C:\Users\Admin\AppData\Local\Temp\3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe
"C:\Users\Admin\AppData\Local\Temp\3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3668
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2812
- C:\Users\Admin\AppData\Local\Temp\3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe
  "C:\Users\Admin\AppData\Local\Temp\3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe"
  2⤵
  PID:3160
- C:\Users\Admin\AppData\Local\Temp\3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe
  "C:\Users\Admin\AppData\Local\Temp\3cad0fb9280972f24f68c74e7b9c93dbd446c22f704f3b66cc7f1effc54d7a09.exe"
  2⤵
  PID:3372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mwdv3f1v.dc1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2812-57-0x0000000007A30000-0x0000000007AC6000-memory.dmp

Filesize
600KB

Download
memory/2812-65-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/2812-32-0x0000000005E50000-0x00000000061A4000-memory.dmp

Filesize
3.3MB

Download
memory/2812-37-0x0000000006470000-0x000000000648E000-memory.dmp

Filesize
120KB

Download
memory/2812-38-0x0000000006500000-0x000000000654C000-memory.dmp

Filesize
304KB

Download
memory/2812-62-0x0000000007AD0000-0x0000000007AD8000-memory.dmp

Filesize
32KB

Download
memory/2812-61-0x0000000007AF0000-0x0000000007B0A000-memory.dmp

Filesize
104KB

Download
memory/2812-60-0x00000000079F0000-0x0000000007A04000-memory.dmp

Filesize
80KB

Download
memory/2812-59-0x00000000079E0000-0x00000000079EE000-memory.dmp

Filesize
56KB

Download
memory/2812-58-0x00000000079B0000-0x00000000079C1000-memory.dmp

Filesize
68KB

Download
memory/2812-56-0x0000000007820000-0x000000000782A000-memory.dmp

Filesize
40KB

Download
memory/2812-55-0x00000000077C0000-0x00000000077DA000-memory.dmp

Filesize
104KB

Download
memory/2812-54-0x0000000007E20000-0x000000000849A000-memory.dmp

Filesize
6.5MB

Download
memory/2812-53-0x00000000076F0000-0x0000000007793000-memory.dmp

Filesize
652KB

Download
memory/2812-52-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/2812-21-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

Filesize
4KB

Download
memory/2812-20-0x0000000002C50000-0x0000000002C60000-memory.dmp

Filesize
64KB

Download
memory/2812-19-0x0000000002C50000-0x0000000002C60000-memory.dmp

Filesize
64KB

Download
memory/2812-22-0x0000000005650000-0x0000000005C78000-memory.dmp

Filesize
6.2MB

Download
memory/2812-18-0x0000000002B80000-0x0000000002BB6000-memory.dmp

Filesize
216KB

Download
memory/2812-51-0x0000000006A30000-0x0000000006A4E000-memory.dmp

Filesize
120KB

Download
memory/2812-24-0x0000000005CF0000-0x0000000005D56000-memory.dmp

Filesize
408KB

Download
memory/2812-25-0x0000000005D60000-0x0000000005DC6000-memory.dmp

Filesize
408KB

Download
memory/2812-23-0x00000000054D0000-0x00000000054F2000-memory.dmp

Filesize
136KB

Download
memory/2812-41-0x0000000071340000-0x000000007138C000-memory.dmp

Filesize
304KB

Download
memory/2812-39-0x0000000006A50000-0x0000000006A82000-memory.dmp

Filesize
200KB

Download
memory/2812-40-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3372-15-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3372-70-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3372-74-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3372-73-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3372-72-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3372-16-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3372-17-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3372-66-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3372-13-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3372-12-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3372-11-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3372-71-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3372-69-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3372-68-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3372-67-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3668-2-0x0000000005990000-0x0000000005F34000-memory.dmp

Filesize
5.6MB

Download
memory/3668-6-0x0000000006960000-0x0000000006986000-memory.dmp

Filesize
152KB

Download
memory/3668-5-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3668-7-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

Filesize
4KB

Download
memory/3668-8-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3668-9-0x0000000009460000-0x0000000009522000-memory.dmp

Filesize
776KB

Download
memory/3668-10-0x000000000C5C0000-0x000000000C65C000-memory.dmp

Filesize
624KB

Download
memory/3668-4-0x00000000054A0000-0x00000000054AA000-memory.dmp

Filesize
40KB

Download
memory/3668-0-0x0000000074B5E000-0x0000000074B5F000-memory.dmp

Filesize
4KB

Download
memory/3668-26-0x0000000074B50000-0x0000000075300000-memory.dmp

Filesize
7.7MB

Download
memory/3668-1-0x00000000009A0000-0x0000000000AAE000-memory.dmp

Filesize
1.1MB

Download
memory/3668-3-0x00000000054C0000-0x0000000005552000-memory.dmp

Filesize
584KB

Download