remcos | 5755305654c07b239c370661598bc698f8113b41fe5785e0e13098a66cdbd4eb

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25-03-2024 19:11

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General

Target

HUD34EDRFQ253.exe
Size

998KB
MD5

9a942028f55f59560c38677923c7ce6a
SHA1

069cf2b7306f61ac65a4598f519a83dd535325c9
SHA256

5755305654c07b239c370661598bc698f8113b41fe5785e0e13098a66cdbd4eb
SHA512

e3f0f2d9d97cfa7178d3fd1e12cd35c9b1a5b08e92767389bcf998e428e08e4527fa7b9204941e849a6f28c240c52c57b653777e7620210c5d024dbce0a22eda
SSDEEP

24576:yxWTl+NDnZjbBxcxyGFKjL8kFzzjBh3HrYMY:lpknZHEyGw3t3cz

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

194.147.140.180:1987

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-FRNTO2
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

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:

HUD34EDRFQ253.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	HUD34EDRFQ253.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

HUD34EDRFQ253.exe

description pid process target process

PID 1760 set thread context of 2484 1760 HUD34EDRFQ253.exe HUD34EDRFQ253.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

4376 schtasks.exe

description	pid	process	target process
PID 1760 set thread context of 2484	1760	HUD34EDRFQ253.exe	HUD34EDRFQ253.exe

pid	process
4376	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

HUD34EDRFQ253.exepowershell.exepowershell.exe

pid	process
1760	HUD34EDRFQ253.exe
1760	HUD34EDRFQ253.exe
1948	powershell.exe
1948	powershell.exe
2644	powershell.exe
2644	powershell.exe
1760	HUD34EDRFQ253.exe
1948	powershell.exe
2644	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

HUD34EDRFQ253.exepowershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1760 HUD34EDRFQ253.exe
Token: SeDebugPrivilege 1948 powershell.exe
Token: SeDebugPrivilege 2644 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

HUD34EDRFQ253.exe

pid process

2484 HUD34EDRFQ253.exe

description	pid	process
Token: SeDebugPrivilege	1760	HUD34EDRFQ253.exe
Token: SeDebugPrivilege	1948	powershell.exe
Token: SeDebugPrivilege	2644	powershell.exe

pid	process
2484	HUD34EDRFQ253.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

HUD34EDRFQ253.exe

description	pid	process	target process
PID 1760 wrote to memory of 1948	1760	HUD34EDRFQ253.exe	powershell.exe
PID 1760 wrote to memory of 1948	1760	HUD34EDRFQ253.exe	powershell.exe
PID 1760 wrote to memory of 1948	1760	HUD34EDRFQ253.exe	powershell.exe
PID 1760 wrote to memory of 2644	1760	HUD34EDRFQ253.exe	powershell.exe
PID 1760 wrote to memory of 2644	1760	HUD34EDRFQ253.exe	powershell.exe
PID 1760 wrote to memory of 2644	1760	HUD34EDRFQ253.exe	powershell.exe
PID 1760 wrote to memory of 4376	1760	HUD34EDRFQ253.exe	schtasks.exe
PID 1760 wrote to memory of 4376	1760	HUD34EDRFQ253.exe	schtasks.exe
PID 1760 wrote to memory of 4376	1760	HUD34EDRFQ253.exe	schtasks.exe
PID 1760 wrote to memory of 2484	1760	HUD34EDRFQ253.exe	HUD34EDRFQ253.exe
PID 1760 wrote to memory of 2484	1760	HUD34EDRFQ253.exe	HUD34EDRFQ253.exe
PID 1760 wrote to memory of 2484	1760	HUD34EDRFQ253.exe	HUD34EDRFQ253.exe
PID 1760 wrote to memory of 2484	1760	HUD34EDRFQ253.exe	HUD34EDRFQ253.exe
PID 1760 wrote to memory of 2484	1760	HUD34EDRFQ253.exe	HUD34EDRFQ253.exe
PID 1760 wrote to memory of 2484	1760	HUD34EDRFQ253.exe	HUD34EDRFQ253.exe
PID 1760 wrote to memory of 2484	1760	HUD34EDRFQ253.exe	HUD34EDRFQ253.exe
PID 1760 wrote to memory of 2484	1760	HUD34EDRFQ253.exe	HUD34EDRFQ253.exe
PID 1760 wrote to memory of 2484	1760	HUD34EDRFQ253.exe	HUD34EDRFQ253.exe
PID 1760 wrote to memory of 2484	1760	HUD34EDRFQ253.exe	HUD34EDRFQ253.exe
PID 1760 wrote to memory of 2484	1760	HUD34EDRFQ253.exe	HUD34EDRFQ253.exe
PID 1760 wrote to memory of 2484	1760	HUD34EDRFQ253.exe	HUD34EDRFQ253.exe

C:\Users\Admin\AppData\Local\Temp\HUD34EDRFQ253.exe
"C:\Users\Admin\AppData\Local\Temp\HUD34EDRFQ253.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1760

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\HUD34EDRFQ253.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1948

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XPTpFDOlta.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2644

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XPTpFDOlta" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6503.tmp"
2⤵
- Creates scheduled task(s)
PID:4376

C:\Users\Admin\AppData\Local\Temp\HUD34EDRFQ253.exe
"C:\Users\Admin\AppData\Local\Temp\HUD34EDRFQ253.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:2484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
3eac7be4cf5d826d7c43cbaab7df2fb6

SHA1
cbb70311bad8a23e7d7ab3116f109c1b50334392

SHA256
df2ad3ba2125d422008c6c839b500f0ebcf5ec3b27e62c4c1cdcc6289f8cbb80

SHA512
045aa788844960423ff24a9d131a4f52e389919f9e17902c10d9b380556c988fd175bf07000ec287a6ab6354a32e4536db94b870ad2a80fb9cb0b3cf4e4aa935

Download Submit
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
73615911c9f05af93b2817cc94f87825

SHA1
297cc920c258e836b7f8b3f41dbb7e62b2806bca

SHA256
bac7dc6cf7582085342be734a905785d0667fdb794acdb146550a251ad768100

SHA512
60d1d9a737113fbc897f25422081bfc3ffab4616f47b2e8c7bc9c7831696196b94beb20f10c7a73e5439bb793180989aeafedc58938ce3d5da2f904db6a6707b

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r4horm40.s3m.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6503.tmp

Filesize
1KB

MD5
48d925fe1cdd27a2030bf8577fcdd595

SHA1
50d2db3e174e4f5fe9c39f43297f1764ef9406b4

SHA256
d8584e9d9f5b27a826332ec53221c87b5cb15966d4a3b762bf7b6352a75746dc

SHA512
9ff3ba322c14450656acc61c50bb7e2b29151f2d30c589cacede9b831c44435cd4df92b8ade16b5e2de9cf10cc743c6ae40dd9089fc22ec83816231cfdd77379

Download Submit
memory/1760-9-0x0000000009840000-0x00000000098DC000-memory.dmp

Filesize
624KB

Download
memory/1760-3-0x0000000005660000-0x00000000056F2000-memory.dmp

Filesize
584KB

Download
memory/1760-7-0x0000000005BC0000-0x0000000005BCC000-memory.dmp

Filesize
48KB

Download
memory/1760-8-0x0000000007170000-0x0000000007230000-memory.dmp

Filesize
768KB

Download
memory/1760-0-0x0000000000B80000-0x0000000000C80000-memory.dmp

Filesize
1024KB

Download
memory/1760-49-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/1760-1-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/1760-5-0x0000000005820000-0x000000000582A000-memory.dmp

Filesize
40KB

Download
memory/1760-6-0x0000000005A90000-0x0000000005AA2000-memory.dmp

Filesize
72KB

Download
memory/1760-4-0x00000000058D0000-0x00000000058E0000-memory.dmp

Filesize
64KB

Download
memory/1760-2-0x0000000005C10000-0x00000000061B4000-memory.dmp

Filesize
5.6MB

Download
memory/1948-17-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/1948-14-0x0000000002490000-0x00000000024C6000-memory.dmp

Filesize
216KB

Download
memory/1948-101-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/1948-16-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/1948-95-0x00000000073D0000-0x00000000073D8000-memory.dmp

Filesize
32KB

Download
memory/1948-94-0x00000000073F0000-0x000000000740A000-memory.dmp

Filesize
104KB

Download
memory/1948-92-0x00000000072E0000-0x00000000072EE000-memory.dmp

Filesize
56KB

Download
memory/1948-90-0x0000000007330000-0x00000000073C6000-memory.dmp

Filesize
600KB

Download
memory/1948-89-0x0000000007120000-0x000000000712A000-memory.dmp

Filesize
40KB

Download
memory/1948-21-0x0000000005610000-0x0000000005632000-memory.dmp

Filesize
136KB

Download
memory/1948-88-0x00000000070B0000-0x00000000070CA000-memory.dmp

Filesize
104KB

Download
memory/1948-23-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/1948-86-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/1948-81-0x00000000025A0000-0x00000000025B0000-memory.dmp

Filesize
64KB

Download
memory/1948-53-0x0000000005D70000-0x0000000005D8E000-memory.dmp

Filesize
120KB

Download
memory/1948-82-0x0000000006F80000-0x0000000007023000-memory.dmp

Filesize
652KB

Download
memory/1948-57-0x0000000005E00000-0x0000000005E4C000-memory.dmp

Filesize
304KB

Download
memory/1948-58-0x0000000006F10000-0x0000000006F42000-memory.dmp

Filesize
200KB

Download
memory/1948-59-0x000000007F000000-0x000000007F010000-memory.dmp

Filesize
64KB

Download
memory/1948-72-0x0000000006F50000-0x0000000006F6E000-memory.dmp

Filesize
120KB

Download
memory/1948-60-0x0000000071630000-0x000000007167C000-memory.dmp

Filesize
304KB

Download
memory/2484-56-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-140-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-55-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-139-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-132-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-54-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-131-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-104-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-124-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-123-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-116-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-115-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-111-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-106-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2484-105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2644-25-0x00000000060C0000-0x0000000006126000-memory.dmp

Filesize
408KB

Download
memory/2644-102-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/2644-18-0x0000000075040000-0x00000000757F0000-memory.dmp

Filesize
7.7MB

Download
memory/2644-20-0x00000000052F0000-0x0000000005300000-memory.dmp

Filesize
64KB

Download
memory/2644-61-0x0000000071630000-0x000000007167C000-memory.dmp

Filesize
304KB

Download
memory/2644-41-0x0000000006230000-0x0000000006584000-memory.dmp

Filesize
3.3MB

Download
memory/2644-15-0x0000000005930000-0x0000000005F58000-memory.dmp

Filesize
6.2MB

Download
memory/2644-93-0x0000000007C70000-0x0000000007C84000-memory.dmp

Filesize
80KB

Download
memory/2644-91-0x0000000007C30000-0x0000000007C41000-memory.dmp

Filesize
68KB

Download
memory/2644-24-0x0000000005F60000-0x0000000005FC6000-memory.dmp

Filesize
408KB

Download
memory/2644-22-0x00000000052F0000-0x0000000005300000-memory.dmp

Filesize
64KB

Download
memory/2644-87-0x0000000008070000-0x00000000086EA000-memory.dmp

Filesize
6.5MB

Download
memory/2644-83-0x00000000052F0000-0x0000000005300000-memory.dmp

Filesize
64KB

Download
memory/2644-85-0x00000000052F0000-0x0000000005300000-memory.dmp

Filesize
64KB

Download
memory/2644-62-0x000000007F590000-0x000000007F5A0000-memory.dmp

Filesize
64KB

Download