remcos | e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebf

Analysis

max time kernel
120s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-11-2024 19:26

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General

Target

e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe
Size

1.0MB
MD5

bcdbacfe3adb40985b399abc97da9950
SHA1

cae3236ee70aab4ce94c6e7a11d93a18532d8a57
SHA256

e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebf
SHA512

dba8944eea9a1e9b880b74ecd0d5bd96c898f9b763ccdd3d7ee83ec95c8054258c96b5240dd62f0d2a2b5f71bb79b4ad417330cd142477ef9952d6595b489b19
SSDEEP

24576:tWVkEGYmNVuq4oNH+J15qmQDfwpYI3Gn2mtITaAC0:tWVgYmXZeNqffKTTa3

Score

10^/10

remcos newfile discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

newfile

novsereverconfigconnect.duckdns.org:45682

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
465-V3XM2U
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
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
2120	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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4740 set thread context of 3876	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	93

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 4 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2548	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe
4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe
2120	powershell.exe
2120	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe
Token: SeDebugPrivilege	2120	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 2120	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	88
PID 4740 wrote to memory of 2120	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	88
PID 4740 wrote to memory of 2120	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	88
PID 4740 wrote to memory of 2548	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	90
PID 4740 wrote to memory of 2548	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	90
PID 4740 wrote to memory of 2548	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	90
PID 4740 wrote to memory of 3392	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	92
PID 4740 wrote to memory of 3392	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	92
PID 4740 wrote to memory of 3392	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	92
PID 4740 wrote to memory of 3876	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	93
PID 4740 wrote to memory of 3876	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	93
PID 4740 wrote to memory of 3876	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	93
PID 4740 wrote to memory of 3876	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	93
PID 4740 wrote to memory of 3876	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	93
PID 4740 wrote to memory of 3876	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	93
PID 4740 wrote to memory of 3876	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	93
PID 4740 wrote to memory of 3876	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	93
PID 4740 wrote to memory of 3876	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	93
PID 4740 wrote to memory of 3876	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	93
PID 4740 wrote to memory of 3876	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	93
PID 4740 wrote to memory of 3876	4740	e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe	93

C:\Users\Admin\AppData\Local\Temp\e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe
"C:\Users\Admin\AppData\Local\Temp\e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.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:4740
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cRBWNNQsqe.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2120
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cRBWNNQsqe" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE2CE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2548
- C:\Users\Admin\AppData\Local\Temp\e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe
  "C:\Users\Admin\AppData\Local\Temp\e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe"
  2⤵
  PID:3392
- C:\Users\Admin\AppData\Local\Temp\e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe
  "C:\Users\Admin\AppData\Local\Temp\e18db2a079a2f7c4e47e676e1a252ba3f09efa95fbff3efb6ef738df96fb5ebfN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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_g3g24h5q.f0p.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE2CE.tmp

Filesize
1KB

MD5
215f5ff2dc0ab9491b6e26cce535437b

SHA1
2c355d6f002dc64f09ae9b6501f9e28bac85660b

SHA256
ea4c209c6027e68a3ae40d72822ce5f2f9e77d2cad546209222e664568e35149

SHA512
f4f63424cef7121e6f9abfd7e9c117501e6cc8de3ae10cd39fd138b5e656fcc04a732f268e5d9fc2e7582b886ff8354adb40e704fb95f21271fdff5a25fd9794

Download Submit
memory/2120-23-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/2120-68-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/2120-59-0x0000000006FD0000-0x0000000006FDA000-memory.dmp

Filesize
40KB

Download
memory/2120-16-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/2120-26-0x0000000004D70000-0x0000000004D92000-memory.dmp

Filesize
136KB

Download
memory/2120-65-0x0000000007280000-0x0000000007288000-memory.dmp

Filesize
32KB

Download
memory/2120-64-0x00000000072A0000-0x00000000072BA000-memory.dmp

Filesize
104KB

Download
memory/2120-57-0x00000000075A0000-0x0000000007C1A000-memory.dmp

Filesize
6.5MB

Download
memory/2120-62-0x0000000007190000-0x000000000719E000-memory.dmp

Filesize
56KB

Download
memory/2120-61-0x0000000007160000-0x0000000007171000-memory.dmp

Filesize
68KB

Download
memory/2120-40-0x0000000005650000-0x00000000059A4000-memory.dmp

Filesize
3.3MB

Download
memory/2120-60-0x00000000071E0000-0x0000000007276000-memory.dmp

Filesize
600KB

Download
memory/2120-19-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/2120-18-0x0000000004E40000-0x0000000005468000-memory.dmp

Filesize
6.2MB

Download
memory/2120-63-0x00000000071A0000-0x00000000071B4000-memory.dmp

Filesize
80KB

Download
memory/2120-58-0x0000000006F60000-0x0000000006F7A000-memory.dmp

Filesize
104KB

Download
memory/2120-29-0x00000000055E0000-0x0000000005646000-memory.dmp

Filesize
408KB

Download
memory/2120-44-0x0000000006C00000-0x0000000006C32000-memory.dmp

Filesize
200KB

Download
memory/2120-55-0x0000000006220000-0x000000000623E000-memory.dmp

Filesize
120KB

Download
memory/2120-56-0x0000000006E40000-0x0000000006EE3000-memory.dmp

Filesize
652KB

Download
memory/2120-45-0x0000000073A10000-0x0000000073A5C000-memory.dmp

Filesize
304KB

Download
memory/2120-43-0x0000000005C80000-0x0000000005CCC000-memory.dmp

Filesize
304KB

Download
memory/2120-42-0x0000000005C30000-0x0000000005C4E000-memory.dmp

Filesize
120KB

Download
memory/2120-15-0x0000000002330000-0x0000000002366000-memory.dmp

Filesize
216KB

Download
memory/2120-28-0x0000000005470000-0x00000000054D6000-memory.dmp

Filesize
408KB

Download
memory/3876-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-90-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-127-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-126-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-125-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-124-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-123-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-122-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-121-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-120-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-119-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-118-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-117-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-116-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-79-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-80-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-81-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-82-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-83-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-84-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-85-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-86-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-87-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-88-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-89-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-91-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-92-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-93-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-94-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-95-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-96-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-97-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-98-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-99-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-100-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-101-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-102-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-103-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-104-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-105-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-106-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-107-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-108-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-109-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-110-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-111-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-112-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-113-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-114-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3876-115-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4740-0-0x0000000074F4E000-0x0000000074F4F000-memory.dmp

Filesize
4KB

Download
memory/4740-1-0x0000000000560000-0x0000000000668000-memory.dmp

Filesize
1.0MB

Download
memory/4740-2-0x0000000005690000-0x0000000005C34000-memory.dmp

Filesize
5.6MB

Download
memory/4740-3-0x00000000050E0000-0x0000000005172000-memory.dmp

Filesize
584KB

Download
memory/4740-5-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/4740-4-0x0000000005070000-0x000000000507A000-memory.dmp

Filesize
40KB

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memory/4740-6-0x0000000074F4E000-0x0000000074F4F000-memory.dmp

Filesize
4KB

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memory/4740-7-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

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memory/4740-8-0x0000000005300000-0x000000000531C000-memory.dmp

Filesize
112KB

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memory/4740-9-0x000000000A4A0000-0x000000000A55E000-memory.dmp

Filesize
760KB

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memory/4740-10-0x000000000D600000-0x000000000D69C000-memory.dmp

Filesize
624KB

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memory/4740-30-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

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