remcos | d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27-07-2024 01:58

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General

Target

d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
Size

939KB
MD5

3f69729a8f2b22e625bb984f28758ebc
SHA1

ab8aab5952dfcf0d705daff76448920c67b6241d
SHA256

d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd
SHA512

c4622e82f66aa728ded76ef628bd31ddcd35581a10a6043e735e557a26c8f9c72c67713f29a3ed90f647bf268484b44cf812918a02aa8e1539c3fdac7bcc1fa1
SSDEEP

24576:Yglv8Jv17LLE1hUG+n1KD9Wa9PMEgDzx9mZREOUqqHXONlVUE:oPYf+n1KDghPx9ARDhqHXOR

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

204.10.160.230:7983

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-O7QOC3
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
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

Processes:

powershell.exepowershell.exe

pid process

4456 powershell.exe
1968 powershell.exe

pid	process
4456	powershell.exe
1968	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:

d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe

description	pid	process	target process
PID 3036 set thread context of 3244	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe

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 5 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

Processes:

schtasks.exed1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exed1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exepowershell.exepowershell.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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

Processes:

schtasks.exe

pid process

5008 schtasks.exe

pid	process
5008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exepowershell.exepowershell.exe

pid	process
3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
4456	powershell.exe
1968	powershell.exe
1968	powershell.exe
4456	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
Token: SeDebugPrivilege	1968	powershell.exe
Token: SeDebugPrivilege	4456	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe

description	pid	process	target process
PID 3036 wrote to memory of 4456	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	powershell.exe
PID 3036 wrote to memory of 4456	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	powershell.exe
PID 3036 wrote to memory of 4456	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	powershell.exe
PID 3036 wrote to memory of 1968	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	powershell.exe
PID 3036 wrote to memory of 1968	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	powershell.exe
PID 3036 wrote to memory of 1968	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	powershell.exe
PID 3036 wrote to memory of 5008	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	schtasks.exe
PID 3036 wrote to memory of 5008	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	schtasks.exe
PID 3036 wrote to memory of 5008	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	schtasks.exe
PID 3036 wrote to memory of 3244	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
PID 3036 wrote to memory of 3244	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
PID 3036 wrote to memory of 3244	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
PID 3036 wrote to memory of 3244	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
PID 3036 wrote to memory of 3244	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
PID 3036 wrote to memory of 3244	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
PID 3036 wrote to memory of 3244	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
PID 3036 wrote to memory of 3244	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
PID 3036 wrote to memory of 3244	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
PID 3036 wrote to memory of 3244	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
PID 3036 wrote to memory of 3244	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
PID 3036 wrote to memory of 3244	3036	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe	d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe

C:\Users\Admin\AppData\Local\Temp\d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
"C:\Users\Admin\AppData\Local\Temp\d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.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:3036

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\d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4456

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HODoCxSdp.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1968

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HODoCxSdp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1112.tmp"
2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:5008

C:\Users\Admin\AppData\Local\Temp\d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe
"C:\Users\Admin\AppData\Local\Temp\d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd.exe"
2⤵
- System Location Discovery: System Language Discovery
PID:3244

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

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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
44c7de15eee7fb8b53d9b39f5fce26ad

SHA1
575d56aea8599c8b35cb1e58c6e8186cb440f64f

SHA256
a2e1c3b717d018d33bdd87fa5794f5610c820290eac0ee69a7f478f078cfdbe4

SHA512
58bad23703bd8c283cba2368f63ac3e6b839b2ea810784b512455cce69c98ed3dd5d95b7674be92098da1900144e63a54cf5daefe4c664f6aaab7951ea788db2

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kk4wz34q.mut.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1112.tmp

Filesize
1KB

MD5
ed7f3ee978cefe2fb0d1dbc899f5ff2f

SHA1
9890e9c8a7c02e8a0a91844df2a373632a7ddddf

SHA256
20a8fb807102edd0afd3a5f6d0627c22bddc5b288a42bfd4df23d7a7e960f454

SHA512
e4c0c4a83eaa00bf5d97d93d81d41d291ee9973a7e3d14582bf6f3d6bd6638631041343a85ab6ddfacf72c25969ff1a64061427df08c063063ed24b7b56e11ed

Download Submit
memory/1968-54-0x0000000006100000-0x0000000006454000-memory.dmp

Filesize
3.3MB

Download
memory/1968-22-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/1968-95-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/1968-87-0x0000000007D70000-0x0000000007D8A000-memory.dmp

Filesize
104KB

Download
memory/1968-55-0x00000000066D0000-0x00000000066EE000-memory.dmp

Filesize
120KB

Download
memory/1968-86-0x0000000007C80000-0x0000000007C94000-memory.dmp

Filesize
80KB

Download
memory/1968-82-0x0000000007AB0000-0x0000000007ABA000-memory.dmp

Filesize
40KB

Download
memory/1968-59-0x0000000072530000-0x000000007257C000-memory.dmp

Filesize
304KB

Download
memory/1968-56-0x0000000006790000-0x00000000067DC000-memory.dmp

Filesize
304KB

Download
memory/1968-33-0x0000000005820000-0x0000000005842000-memory.dmp

Filesize
136KB

Download
memory/1968-25-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/1968-19-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/3036-8-0x0000000005760000-0x000000000576E000-memory.dmp

Filesize
56KB

Download
memory/3036-3-0x00000000057E0000-0x0000000005D84000-memory.dmp

Filesize
5.6MB

Download
memory/3036-4-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/3036-7-0x0000000006570000-0x0000000006640000-memory.dmp

Filesize
832KB

Download
memory/3036-2-0x0000000005190000-0x0000000005222000-memory.dmp

Filesize
584KB

Download
memory/3036-1-0x0000000000690000-0x000000000077E000-memory.dmp

Filesize
952KB

Download
memory/3036-10-0x0000000006670000-0x000000000672E000-memory.dmp

Filesize
760KB

Download
memory/3036-6-0x0000000006460000-0x00000000064FC000-memory.dmp

Filesize
624KB

Download
memory/3036-9-0x0000000005780000-0x000000000578E000-memory.dmp

Filesize
56KB

Download
memory/3036-11-0x000000007490E000-0x000000007490F000-memory.dmp

Filesize
4KB

Download
memory/3036-0-0x000000007490E000-0x000000007490F000-memory.dmp

Filesize
4KB

Download
memory/3036-32-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/3036-17-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/3036-5-0x00000000053C0000-0x00000000053CA000-memory.dmp

Filesize
40KB

Download
memory/3244-105-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3244-99-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3244-104-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3244-102-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3244-103-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3244-100-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3244-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3244-101-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3244-98-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3244-97-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3244-96-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3244-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3244-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3244-106-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3244-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3244-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4456-35-0x0000000005F60000-0x0000000005FC6000-memory.dmp

Filesize
408KB

Download
memory/4456-85-0x0000000007B50000-0x0000000007B5E000-memory.dmp

Filesize
56KB

Download
memory/4456-88-0x0000000007C40000-0x0000000007C48000-memory.dmp

Filesize
32KB

Download
memory/4456-84-0x0000000007920000-0x0000000007931000-memory.dmp

Filesize
68KB

Download
memory/4456-83-0x0000000007BA0000-0x0000000007C36000-memory.dmp

Filesize
600KB

Download
memory/4456-94-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/4456-81-0x0000000006A80000-0x0000000006A9A000-memory.dmp

Filesize
104KB

Download
memory/4456-80-0x0000000007F40000-0x00000000085BA000-memory.dmp

Filesize
6.5MB

Download
memory/4456-79-0x00000000075C0000-0x0000000007663000-memory.dmp

Filesize
652KB

Download
memory/4456-74-0x0000000007560000-0x000000000757E000-memory.dmp

Filesize
120KB

Download
memory/4456-58-0x0000000072530000-0x000000007257C000-memory.dmp

Filesize
304KB

Download
memory/4456-57-0x0000000007580000-0x00000000075B2000-memory.dmp

Filesize
200KB

Download
memory/4456-16-0x0000000002CC0000-0x0000000002CF6000-memory.dmp

Filesize
216KB

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memory/4456-34-0x0000000005E70000-0x0000000005ED6000-memory.dmp

Filesize
408KB

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memory/4456-21-0x0000000005750000-0x0000000005D78000-memory.dmp

Filesize
6.2MB

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memory/4456-31-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

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memory/4456-29-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

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memory/4456-18-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

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