remcos | aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 08:40

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General

Target

aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
Size

972KB
MD5

d62f3667a3442858a997db89c58f4eef
SHA1

dae557169720173b6ce70228670154bd95cae0c3
SHA256

aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19
SHA512

c85a29e92edf84235de9891b13b09c000bd948363d5fe1c3eb5af1ffeb35c0b95da7f8a166cec5df83c0e5feb5d7234cc9a8e44c884189b9c34cc8d7daa11bbc
SSDEEP

12288:5umVWXiUJmBCk1sV2tfIUFspQ2zgKZhKV9+xhJJPeWiHD7aqZMJkD:hifJmBPfepFgahKmJejcs

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

162.251.122.76:7119

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-P2SX34
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 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

1792 powershell.exe
3832 powershell.exe

pid	process
1792	powershell.exe
3832	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:

aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe

description	pid	process	target process
PID 4792 set thread context of 1540	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.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:

aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exepowershell.exepowershell.exeschtasks.exeaad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.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	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.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

716 schtasks.exe

pid	process
716	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exepowershell.exepowershell.exe

pid	process
4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
1792	powershell.exe
3832	powershell.exe
4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
3832	powershell.exe
1792	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
Token: SeDebugPrivilege	3832	powershell.exe
Token: SeDebugPrivilege	1792	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe

description	pid	process	target process
PID 4792 wrote to memory of 1792	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	powershell.exe
PID 4792 wrote to memory of 1792	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	powershell.exe
PID 4792 wrote to memory of 1792	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	powershell.exe
PID 4792 wrote to memory of 3832	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	powershell.exe
PID 4792 wrote to memory of 3832	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	powershell.exe
PID 4792 wrote to memory of 3832	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	powershell.exe
PID 4792 wrote to memory of 716	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	schtasks.exe
PID 4792 wrote to memory of 716	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	schtasks.exe
PID 4792 wrote to memory of 716	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	schtasks.exe
PID 4792 wrote to memory of 1540	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 4792 wrote to memory of 1540	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 4792 wrote to memory of 1540	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 4792 wrote to memory of 1540	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 4792 wrote to memory of 1540	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 4792 wrote to memory of 1540	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 4792 wrote to memory of 1540	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 4792 wrote to memory of 1540	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 4792 wrote to memory of 1540	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 4792 wrote to memory of 1540	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 4792 wrote to memory of 1540	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
PID 4792 wrote to memory of 1540	4792	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe	aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe

C:\Users\Admin\AppData\Local\Temp\aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
"C:\Users\Admin\AppData\Local\Temp\aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.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:4792
- 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\aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1792
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZxiJIiRCztV.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3832
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZxiJIiRCztV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6339.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:716
- C:\Users\Admin\AppData\Local\Temp\aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe
  "C:\Users\Admin\AppData\Local\Temp\aad7bf71a682b4e3b5814d3096cd40b27c194a68a536fb16127f969627ebbf19.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1540

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\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
0ac62285a7af941f7d8034cf4767ff0d

SHA1
2f9c1be38b84a298fdceff7177097b1bfdae2706

SHA256
21ec633d3c04b8ee31b6a7b3f13645d663cf852b4501265c5f2e94f694c5129b

SHA512
0e572fb939153b7066ba9d4f5b5b6fffb94b41a2e4e3c977fcdbca0830a4bc72762faca0373e9e79f466e75f10a334d312187e8d9668ff77aba7b25d429cb0fa

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gv1hijky.wds.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6339.tmp

Filesize
1KB

MD5
62fd0c743fc28dfe77f7846bc568bed7

SHA1
c40312577a3168c742c91672b66166004ae09c34

SHA256
9d5671aff9fd76bb01bd8cc8d9f5099b531bbb759eab7155deeb7f3c3dea7611

SHA512
40b32915ef089a3b278491869d242c64b48cd99efea36058be2b0538cec07b2c38b39c681bbbd40bd65b6bcfc36c716d3d8078dea4ce282534d981062a81de73

Download Submit
memory/1540-95-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1540-96-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1540-97-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1540-98-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1540-99-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1540-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1540-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1540-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1540-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1540-100-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1792-83-0x0000000007780000-0x000000000778E000-memory.dmp

Filesize
56KB

Download
memory/1792-85-0x0000000007890000-0x00000000078AA000-memory.dmp

Filesize
104KB

Download
memory/1792-93-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/1792-19-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/1792-84-0x0000000007790000-0x00000000077A4000-memory.dmp

Filesize
80KB

Download
memory/1792-23-0x0000000005360000-0x0000000005382000-memory.dmp

Filesize
136KB

Download
memory/1792-16-0x0000000002920000-0x0000000002956000-memory.dmp

Filesize
216KB

Download
memory/1792-81-0x00000000077D0000-0x0000000007866000-memory.dmp

Filesize
600KB

Download
memory/1792-35-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/1792-17-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/1792-79-0x0000000007550000-0x000000000756A000-memory.dmp

Filesize
104KB

Download
memory/1792-68-0x0000000007400000-0x00000000074A3000-memory.dmp

Filesize
652KB

Download
memory/1792-56-0x0000000075250000-0x000000007529C000-memory.dmp

Filesize
304KB

Download
memory/1792-66-0x00000000073D0000-0x00000000073EE000-memory.dmp

Filesize
120KB

Download
memory/1792-55-0x0000000007390000-0x00000000073C2000-memory.dmp

Filesize
200KB

Download
memory/3832-94-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/3832-67-0x0000000075250000-0x000000007529C000-memory.dmp

Filesize
304KB

Download
memory/3832-25-0x00000000053C0000-0x0000000005426000-memory.dmp

Filesize
408KB

Download
memory/3832-24-0x0000000005350000-0x00000000053B6000-memory.dmp

Filesize
408KB

Download
memory/3832-26-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/3832-20-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/3832-54-0x00000000061B0000-0x00000000061FC000-memory.dmp

Filesize
304KB

Download
memory/3832-53-0x0000000005C40000-0x0000000005C5E000-memory.dmp

Filesize
120KB

Download
memory/3832-22-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/3832-78-0x00000000075A0000-0x0000000007C1A000-memory.dmp

Filesize
6.5MB

Download
memory/3832-86-0x0000000007280000-0x0000000007288000-memory.dmp

Filesize
32KB

Download
memory/3832-80-0x0000000006FD0000-0x0000000006FDA000-memory.dmp

Filesize
40KB

Download
memory/3832-33-0x00000000055B0000-0x0000000005904000-memory.dmp

Filesize
3.3MB

Download
memory/3832-82-0x0000000007160000-0x0000000007171000-memory.dmp

Filesize
68KB

Download
memory/3832-18-0x0000000004D20000-0x0000000005348000-memory.dmp

Filesize
6.2MB

Download
memory/4792-10-0x0000000006770000-0x0000000006782000-memory.dmp

Filesize
72KB

Download
memory/4792-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/4792-11-0x0000000007CB0000-0x0000000007D70000-memory.dmp

Filesize
768KB

Download
memory/4792-8-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/4792-7-0x0000000006800000-0x000000000689C000-memory.dmp

Filesize
624KB

Download
memory/4792-52-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4792-9-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4792-5-0x0000000006690000-0x000000000669A000-memory.dmp

Filesize
40KB

Download
memory/4792-6-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4792-4-0x0000000005C50000-0x0000000005CFA000-memory.dmp

Filesize
680KB

Download
memory/4792-3-0x0000000005AA0000-0x0000000005B32000-memory.dmp

Filesize
584KB

Download
memory/4792-2-0x0000000005FB0000-0x0000000006554000-memory.dmp

Filesize
5.6MB

Download
memory/4792-1-0x0000000000FA0000-0x0000000001094000-memory.dmp

Filesize
976KB

Download