remcos | d1b50fc6ce79320a88defef33baf6a51e30845bd13ab2b52f7925ba0b8f527cd

Analysis

max time kernel
150s
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 01:48

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General

Target

27072024_0148_hot.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

4800 powershell.exe
208 powershell.exe

pid	process
4800	powershell.exe
208	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:

27072024_0148_hot.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation	27072024_0148_hot.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

27072024_0148_hot.exe

description pid process target process

PID 1604 set thread context of 4176 1604 27072024_0148_hot.exe 27072024_0148_hot.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 1604 set thread context of 4176	1604	27072024_0148_hot.exe	27072024_0148_hot.exe

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:

27072024_0148_hot.exepowershell.exepowershell.exeschtasks.exe27072024_0148_hot.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27072024_0148_hot.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
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	27072024_0148_hot.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

3068 schtasks.exe

pid	process
3068	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

27072024_0148_hot.exepowershell.exepowershell.exe

pid	process
1604	27072024_0148_hot.exe
1604	27072024_0148_hot.exe
1604	27072024_0148_hot.exe
1604	27072024_0148_hot.exe
1604	27072024_0148_hot.exe
1604	27072024_0148_hot.exe
1604	27072024_0148_hot.exe
4800	powershell.exe
4800	powershell.exe
208	powershell.exe
1604	27072024_0148_hot.exe
1604	27072024_0148_hot.exe
1604	27072024_0148_hot.exe
4800	powershell.exe
208	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

27072024_0148_hot.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1604	27072024_0148_hot.exe
Token: SeDebugPrivilege	4800	powershell.exe
Token: SeDebugPrivilege	208	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

27072024_0148_hot.exe

description	pid	process	target process
PID 1604 wrote to memory of 4800	1604	27072024_0148_hot.exe	powershell.exe
PID 1604 wrote to memory of 4800	1604	27072024_0148_hot.exe	powershell.exe
PID 1604 wrote to memory of 4800	1604	27072024_0148_hot.exe	powershell.exe
PID 1604 wrote to memory of 208	1604	27072024_0148_hot.exe	powershell.exe
PID 1604 wrote to memory of 208	1604	27072024_0148_hot.exe	powershell.exe
PID 1604 wrote to memory of 208	1604	27072024_0148_hot.exe	powershell.exe
PID 1604 wrote to memory of 3068	1604	27072024_0148_hot.exe	schtasks.exe
PID 1604 wrote to memory of 3068	1604	27072024_0148_hot.exe	schtasks.exe
PID 1604 wrote to memory of 3068	1604	27072024_0148_hot.exe	schtasks.exe
PID 1604 wrote to memory of 4176	1604	27072024_0148_hot.exe	27072024_0148_hot.exe
PID 1604 wrote to memory of 4176	1604	27072024_0148_hot.exe	27072024_0148_hot.exe
PID 1604 wrote to memory of 4176	1604	27072024_0148_hot.exe	27072024_0148_hot.exe
PID 1604 wrote to memory of 4176	1604	27072024_0148_hot.exe	27072024_0148_hot.exe
PID 1604 wrote to memory of 4176	1604	27072024_0148_hot.exe	27072024_0148_hot.exe
PID 1604 wrote to memory of 4176	1604	27072024_0148_hot.exe	27072024_0148_hot.exe
PID 1604 wrote to memory of 4176	1604	27072024_0148_hot.exe	27072024_0148_hot.exe
PID 1604 wrote to memory of 4176	1604	27072024_0148_hot.exe	27072024_0148_hot.exe
PID 1604 wrote to memory of 4176	1604	27072024_0148_hot.exe	27072024_0148_hot.exe
PID 1604 wrote to memory of 4176	1604	27072024_0148_hot.exe	27072024_0148_hot.exe
PID 1604 wrote to memory of 4176	1604	27072024_0148_hot.exe	27072024_0148_hot.exe
PID 1604 wrote to memory of 4176	1604	27072024_0148_hot.exe	27072024_0148_hot.exe

C:\Users\Admin\AppData\Local\Temp\27072024_0148_hot.exe
"C:\Users\Admin\AppData\Local\Temp\27072024_0148_hot.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:1604

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\27072024_0148_hot.exe"
2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4800

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:208

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HODoCxSdp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp269E.tmp"
2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3068

C:\Users\Admin\AppData\Local\Temp\27072024_0148_hot.exe
"C:\Users\Admin\AppData\Local\Temp\27072024_0148_hot.exe"
2⤵
- System Location Discovery: System Language Discovery
PID:4176

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
9d63afe57e278275bb7439f34aae9453

SHA1
8375ff5bcbda54caf5d054e26c4ccca97921f8e1

SHA256
657804cb820c248e4fa2605659cb29e314abac00bcf89dd6c58d614fd7fc43bb

SHA512
5f67b264ad6c45e09fb36bdd4281b9102c876778b8582f5cd361bd792791babdfa25d95a6de2a6a4d718a8a23c4b94f3e3437249da7c4ae3ac1031bfbffd464e

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x0mxcxdl.swi.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp269E.tmp

Filesize
1KB

MD5
1be8c744a31cf92caae49d3381c9588d

SHA1
cbe955d541b0ee8c944116838d945dbaea4d5030

SHA256
62876a3c10ff0af93923b6e302de6da9f4de267e82f64f316498e1bfe82c261f

SHA512
b06af86e79de04267b94540a480a51caace67423ca4d9c39a4e86cc2f493b15115ecdbc7ddfb85fc3a93669d5ddb0c260c55ed6fdb594467292c6b2520a1f3eb

Download Submit
memory/208-28-0x0000000005900000-0x0000000005966000-memory.dmp

Filesize
408KB

Download
memory/208-27-0x0000000005890000-0x00000000058F6000-memory.dmp

Filesize
408KB

Download
memory/208-53-0x0000000006590000-0x00000000065AE000-memory.dmp

Filesize
120KB

Download
memory/208-68-0x0000000074FB0000-0x0000000074FFC000-memory.dmp

Filesize
304KB

Download
memory/208-79-0x0000000006770000-0x000000000678A000-memory.dmp

Filesize
104KB

Download
memory/208-78-0x0000000007F20000-0x000000000859A000-memory.dmp

Filesize
6.5MB

Download
memory/208-80-0x0000000007970000-0x000000000797A000-memory.dmp

Filesize
40KB

Download
memory/208-54-0x0000000006630000-0x000000000667C000-memory.dmp

Filesize
304KB

Download
memory/208-84-0x0000000007B40000-0x0000000007B54000-memory.dmp

Filesize
80KB

Download
memory/208-25-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/208-92-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/208-22-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/208-20-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/208-21-0x00000000059D0000-0x0000000005FF8000-memory.dmp

Filesize
6.2MB

Download
memory/1604-11-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/1604-3-0x0000000005180000-0x0000000005724000-memory.dmp

Filesize
5.6MB

Download
memory/1604-0-0x000000007472E000-0x000000007472F000-memory.dmp

Filesize
4KB

Download
memory/1604-4-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/1604-12-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/1604-5-0x0000000004D00000-0x0000000004D0A000-memory.dmp

Filesize
40KB

Download
memory/1604-2-0x0000000004AA0000-0x0000000004B32000-memory.dmp

Filesize
584KB

Download
memory/1604-1-0x0000000000010000-0x00000000000FE000-memory.dmp

Filesize
952KB

Download
memory/1604-8-0x0000000005D20000-0x0000000005D2E000-memory.dmp

Filesize
56KB

Download
memory/1604-9-0x0000000005D40000-0x0000000005D4E000-memory.dmp

Filesize
56KB

Download
memory/1604-10-0x0000000005FA0000-0x000000000605E000-memory.dmp

Filesize
760KB

Download
memory/1604-7-0x0000000005EA0000-0x0000000005F70000-memory.dmp

Filesize
832KB

Download
memory/1604-52-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/1604-6-0x0000000005E00000-0x0000000005E9C000-memory.dmp

Filesize
624KB

Download
memory/4176-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4176-97-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4176-96-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4176-95-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4176-98-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4176-94-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4176-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4176-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4176-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4176-99-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4176-100-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4176-101-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4800-18-0x0000000004D10000-0x0000000004D46000-memory.dmp

Filesize
216KB

Download
memory/4800-85-0x0000000007940000-0x000000000795A000-memory.dmp

Filesize
104KB

Download
memory/4800-86-0x0000000007920000-0x0000000007928000-memory.dmp

Filesize
32KB

Download
memory/4800-83-0x0000000007830000-0x000000000783E000-memory.dmp

Filesize
56KB

Download
memory/4800-82-0x0000000007800000-0x0000000007811000-memory.dmp

Filesize
68KB

Download
memory/4800-81-0x0000000007880000-0x0000000007916000-memory.dmp

Filesize
600KB

Download
memory/4800-93-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/4800-55-0x0000000007270000-0x00000000072A2000-memory.dmp

Filesize
200KB

Download
memory/4800-56-0x0000000074FB0000-0x0000000074FFC000-memory.dmp

Filesize
304KB

Download
memory/4800-67-0x00000000072B0000-0x0000000007353000-memory.dmp

Filesize
652KB

Download
memory/4800-66-0x0000000006890000-0x00000000068AE000-memory.dmp

Filesize
120KB

Download
memory/4800-51-0x0000000005D40000-0x0000000006094000-memory.dmp

Filesize
3.3MB

Download
memory/4800-24-0x0000000005200000-0x0000000005222000-memory.dmp

Filesize
136KB

Download
memory/4800-19-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/4800-16-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download