remcos | 869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
10/05/2024, 10:10

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General

Target

869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
Size

604KB
MD5

ffc880a6448b251eee7f03809bf0a1bf
SHA1

09e75e38d588b0e99a3f6f85b2dc4a3eebe4ee08
SHA256

869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d
SHA512

21dbc92495d2afa76e2e0b7243586ce70889e6cf1240222f1c75aab217df9a0287f9b9b5f3c754011ecfec411c2677c3fd091bcb2b620205c2c97db564b7b180
SSDEEP

12288:O+DbgZB778Qed59T3C6g9XltKMYicJgTx5bx4OVEIHDe2RZQioKEAmD:3gZBS9TbgoMpcJ+Tbe7Ye2nOK

Score

10^/10

remcos nhs execution rat

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

NHS

185.189.112.19:30311

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
remcos.exe
copy_folder
remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
nhs
keylog_path
%AppData%
mouse_option
false
mutex
remcos_lejjhxgdnt
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3020	powershell.exe
1508	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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 4376	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	95

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

pid	Process
4684	schtasks.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
3020	powershell.exe
1508	powershell.exe
1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
1508	powershell.exe
3020	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
Token: SeDebugPrivilege	3020	powershell.exe
Token: SeDebugPrivilege	1508	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4376	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 3020	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	87
PID 1748 wrote to memory of 3020	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	87
PID 1748 wrote to memory of 3020	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	87
PID 1748 wrote to memory of 1508	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	89
PID 1748 wrote to memory of 1508	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	89
PID 1748 wrote to memory of 1508	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	89
PID 1748 wrote to memory of 4684	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	91
PID 1748 wrote to memory of 4684	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	91
PID 1748 wrote to memory of 4684	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	91
PID 1748 wrote to memory of 4536	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	93
PID 1748 wrote to memory of 4536	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	93
PID 1748 wrote to memory of 4536	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	93
PID 1748 wrote to memory of 1552	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	94
PID 1748 wrote to memory of 1552	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	94
PID 1748 wrote to memory of 1552	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	94
PID 1748 wrote to memory of 4376	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	95
PID 1748 wrote to memory of 4376	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	95
PID 1748 wrote to memory of 4376	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	95
PID 1748 wrote to memory of 4376	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	95
PID 1748 wrote to memory of 4376	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	95
PID 1748 wrote to memory of 4376	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	95
PID 1748 wrote to memory of 4376	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	95
PID 1748 wrote to memory of 4376	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	95
PID 1748 wrote to memory of 4376	1748	869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe	95

C:\Users\Admin\AppData\Local\Temp\869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
"C:\Users\Admin\AppData\Local\Temp\869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1748
- 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\869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3020
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\RqlVhjJtK.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1508
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RqlVhjJtK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAF4B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4684
- C:\Users\Admin\AppData\Local\Temp\869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
  "C:\Users\Admin\AppData\Local\Temp\869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe"
  2⤵
  PID:4536
- C:\Users\Admin\AppData\Local\Temp\869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
  "C:\Users\Admin\AppData\Local\Temp\869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe"
  2⤵
  PID:1552
- C:\Users\Admin\AppData\Local\Temp\869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe
  "C:\Users\Admin\AppData\Local\Temp\869d82f75b419b649177813ee10ff71987aa775e0c86868bb952aab22f6fe91d.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4376

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\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
7cba94cbaee4233b30e533fe5d53bf5d

SHA1
4e9c3d217229d53e563484ccf47209177a61ba5e

SHA256
0b72d01b414e56f79e3320767e195976fa467e8e6f9e32f09df4db53ed2f2c69

SHA512
8796c3d694267abbe344b5bbefe36dffe7254d9f3e3c2d051b6ebee0dc929cf9a564ab1b31fdeb82b0a2a4e132b0a77475398fc8f6b36d4690e3044cccbf3dc0

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hidh2quy.tpl.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAF4B.tmp

Filesize
1KB

MD5
1705d1b9a73959b690c9254ade83a2ae

SHA1
e84f64fcfd26efc3855546605762972b6ff7937c

SHA256
8a560024000a3c013af92204cd4a2d64c905d05199ddb5374ff39004fd4b3d15

SHA512
2981ad50701769e057615366fbb5028c0c78b0bc5edc5768c82130d052573640a8d5ff930e71d5606695db142c10b52bd39359f41fcaeecf475a1255d4a38d7d

Download Submit
memory/1508-81-0x00000000070F0000-0x00000000070FA000-memory.dmp

Filesize
40KB

Download
memory/1508-40-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/1508-56-0x0000000006320000-0x0000000006352000-memory.dmp

Filesize
200KB

Download
memory/1508-57-0x0000000074F00000-0x0000000074F4C000-memory.dmp

Filesize
304KB

Download
memory/1508-55-0x0000000005E20000-0x0000000005E6C000-memory.dmp

Filesize
304KB

Download
memory/1508-54-0x0000000005D40000-0x0000000005D5E000-memory.dmp

Filesize
120KB

Download
memory/1508-22-0x0000000004C90000-0x0000000004CB2000-memory.dmp

Filesize
136KB

Download
memory/1508-23-0x0000000005510000-0x0000000005576000-memory.dmp

Filesize
408KB

Download
memory/1508-80-0x0000000007080000-0x000000000709A000-memory.dmp

Filesize
104KB

Download
memory/1508-68-0x0000000006300000-0x000000000631E000-memory.dmp

Filesize
120KB

Download
memory/1508-94-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/1508-82-0x0000000007300000-0x0000000007396000-memory.dmp

Filesize
600KB

Download
memory/1508-87-0x00000000073A0000-0x00000000073A8000-memory.dmp

Filesize
32KB

Download
memory/1508-21-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/1508-86-0x00000000073C0000-0x00000000073DA000-memory.dmp

Filesize
104KB

Download
memory/1508-24-0x0000000005630000-0x0000000005696000-memory.dmp

Filesize
408KB

Download
memory/1748-12-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/1748-1-0x0000000000820000-0x00000000008BC000-memory.dmp

Filesize
624KB

Download
memory/1748-2-0x00000000057F0000-0x0000000005D94000-memory.dmp

Filesize
5.6MB

Download
memory/1748-3-0x00000000052E0000-0x0000000005372000-memory.dmp

Filesize
584KB

Download
memory/1748-5-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/1748-4-0x00000000052C0000-0x00000000052CA000-memory.dmp

Filesize
40KB

Download
memory/1748-53-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/1748-0-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/1748-11-0x000000007465E000-0x000000007465F000-memory.dmp

Filesize
4KB

Download
memory/1748-10-0x0000000008CD0000-0x0000000008D6C000-memory.dmp

Filesize
624KB

Download
memory/1748-9-0x0000000005790000-0x00000000057F0000-memory.dmp

Filesize
384KB

Download
memory/1748-8-0x0000000005710000-0x0000000005726000-memory.dmp

Filesize
88KB

Download
memory/1748-7-0x0000000005700000-0x000000000570E000-memory.dmp

Filesize
56KB

Download
memory/1748-6-0x00000000055C0000-0x00000000055D8000-memory.dmp

Filesize
96KB

Download
memory/3020-78-0x0000000007320000-0x00000000073C3000-memory.dmp

Filesize
652KB

Download
memory/3020-41-0x0000000005B50000-0x0000000005EA4000-memory.dmp

Filesize
3.3MB

Download
memory/3020-46-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3020-79-0x0000000007AA0000-0x000000000811A000-memory.dmp

Filesize
6.5MB

Download
memory/3020-17-0x0000000004B90000-0x0000000004BC6000-memory.dmp

Filesize
216KB

Download
memory/3020-18-0x00000000052D0000-0x00000000058F8000-memory.dmp

Filesize
6.2MB

Download
memory/3020-93-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3020-83-0x0000000007660000-0x0000000007671000-memory.dmp

Filesize
68KB

Download
memory/3020-84-0x0000000007690000-0x000000000769E000-memory.dmp

Filesize
56KB

Download
memory/3020-85-0x00000000076A0000-0x00000000076B4000-memory.dmp

Filesize
80KB

Download
memory/3020-67-0x0000000074F00000-0x0000000074F4C000-memory.dmp

Filesize
304KB

Download
memory/3020-20-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/3020-19-0x0000000074650000-0x0000000074E00000-memory.dmp

Filesize
7.7MB

Download
memory/4376-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4376-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4376-50-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download