remcos | fa2b7bf295ebf55e26e4ddeaaf8b5119b5332b3b6c184a530532d162411bc3b4

Analysis

max time kernel
147s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 13:23

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Confirmation Order.exe
Size

892KB
MD5

3b13b07b05ea3f2084ee3c38080fffe3
SHA1

dde112544004281ad7d02b36c607bc4a258f22a6
SHA256

b93408af1dfa127e3b11d16cd92dab65f448d77fa933259c139bb0f0e6d33a75
SHA512

c09987d78d52fc94bc991b40380b6f5752f1b15139850d24ed93e9ea8ce74add4b4b477493fb8c0a6980de9e14fb511123e2571622c3c5a46f4402f09d037fe0
SSDEEP

12288:5Eqv8RratEshTEMAiqoWpVvfS4D36FUOJT02id9IV/SxjTWAY+acgp8bQbQk:J8OZTEMAifWTvfuL42id94cgGIQ

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

127.0.0.1:59321

nnamoo.duckdns.org:59321

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-41EVS0
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

pid	Process
3060	powershell.exe
4972	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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	Confirmation Order.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5060 set thread context of 2732	5060	Confirmation Order.exe	103

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Confirmation Order.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Confirmation Order.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

pid	Process
3200	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3060	powershell.exe
3060	powershell.exe
4972	powershell.exe
4972	powershell.exe
3060	powershell.exe
4972	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3060	powershell.exe
Token: SeDebugPrivilege	4972	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 5060 wrote to memory of 3060	5060	Confirmation Order.exe	97
PID 5060 wrote to memory of 3060	5060	Confirmation Order.exe	97
PID 5060 wrote to memory of 3060	5060	Confirmation Order.exe	97
PID 5060 wrote to memory of 4972	5060	Confirmation Order.exe	99
PID 5060 wrote to memory of 4972	5060	Confirmation Order.exe	99
PID 5060 wrote to memory of 4972	5060	Confirmation Order.exe	99
PID 5060 wrote to memory of 3200	5060	Confirmation Order.exe	101
PID 5060 wrote to memory of 3200	5060	Confirmation Order.exe	101
PID 5060 wrote to memory of 3200	5060	Confirmation Order.exe	101
PID 5060 wrote to memory of 2732	5060	Confirmation Order.exe	103
PID 5060 wrote to memory of 2732	5060	Confirmation Order.exe	103
PID 5060 wrote to memory of 2732	5060	Confirmation Order.exe	103
PID 5060 wrote to memory of 2732	5060	Confirmation Order.exe	103
PID 5060 wrote to memory of 2732	5060	Confirmation Order.exe	103
PID 5060 wrote to memory of 2732	5060	Confirmation Order.exe	103
PID 5060 wrote to memory of 2732	5060	Confirmation Order.exe	103
PID 5060 wrote to memory of 2732	5060	Confirmation Order.exe	103
PID 5060 wrote to memory of 2732	5060	Confirmation Order.exe	103
PID 5060 wrote to memory of 2732	5060	Confirmation Order.exe	103
PID 5060 wrote to memory of 2732	5060	Confirmation Order.exe	103
PID 5060 wrote to memory of 2732	5060	Confirmation Order.exe	103

C:\Users\Admin\AppData\Local\Temp\Confirmation Order.exe
"C:\Users\Admin\AppData\Local\Temp\Confirmation Order.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5060
- 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\Confirmation Order.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3060
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bDXSeyoVzkpA.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4972
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bDXSeyoVzkpA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp45ED.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3200
- C:\Users\Admin\AppData\Local\Temp\Confirmation Order.exe
  "C:\Users\Admin\AppData\Local\Temp\Confirmation Order.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2732

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4164,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=1320 /prefetch:8
1⤵
PID:1688

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

Loading Replay Monitor...

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
4483ce74b8cb66b1450a693c9f6ee63f

SHA1
27bb7c51670a61001061089af639bf627edd5c60

SHA256
876dacabd772433601137bbe4829e528cb407b86ab64805e7132136dfc081d77

SHA512
a7b3ac619510f72a244b096b30198667cdc94ca9230c67d9f0b200e67cbea608a847bb046e0a3b467ba811e266cf6d0de14ded466ca71b10219669c681692ecd

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4s4eaxcb.tvk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp45ED.tmp

Filesize
1KB

MD5
76fa3f7c32611558a74b771bfe1509cb

SHA1
6a359645264d2caa13996591454eab7c03700df4

SHA256
866ee5360a0f61ee52248a754da82903d1568031fd62ba4aa218d4bfe6c34423

SHA512
ffb69ed69989b98b6fcedff12e4834e9db4e8ef693aff8d34f6b6e1cf5a01cd5d171aaaa4cb9409a93dd9bc23a3adb4e0d3e8375fad1bc7d1d24555c4ab136ae

Download Submit
memory/2732-96-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2732-82-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2732-97-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2732-95-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2732-101-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2732-102-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2732-103-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2732-100-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2732-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2732-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2732-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2732-104-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2732-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2732-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3060-52-0x00000000063C0000-0x00000000063DE000-memory.dmp

Filesize
120KB

Download
memory/3060-54-0x0000000006980000-0x00000000069B2000-memory.dmp

Filesize
200KB

Download
memory/3060-21-0x0000000005580000-0x00000000055E6000-memory.dmp

Filesize
408KB

Download
memory/3060-20-0x00000000053E0000-0x0000000005402000-memory.dmp

Filesize
136KB

Download
memory/3060-85-0x0000000007920000-0x0000000007934000-memory.dmp

Filesize
80KB

Download
memory/3060-22-0x00000000055F0000-0x0000000005656000-memory.dmp

Filesize
408KB

Download
memory/3060-23-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3060-84-0x0000000007910000-0x000000000791E000-memory.dmp

Filesize
56KB

Download
memory/3060-18-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3060-94-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3060-83-0x00000000078E0000-0x00000000078F1000-memory.dmp

Filesize
68KB

Download
memory/3060-33-0x0000000005D70000-0x00000000060C4000-memory.dmp

Filesize
3.3MB

Download
memory/3060-16-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/3060-53-0x0000000006640000-0x000000000668C000-memory.dmp

Filesize
304KB

Download
memory/3060-55-0x0000000075480000-0x00000000754CC000-memory.dmp

Filesize
304KB

Download
memory/3060-15-0x0000000002AB0000-0x0000000002AE6000-memory.dmp

Filesize
216KB

Download
memory/3060-65-0x0000000007390000-0x00000000073AE000-memory.dmp

Filesize
120KB

Download
memory/3060-66-0x00000000073B0000-0x0000000007453000-memory.dmp

Filesize
652KB

Download
memory/3060-67-0x0000000007D20000-0x000000000839A000-memory.dmp

Filesize
6.5MB

Download
memory/3060-68-0x00000000076E0000-0x00000000076FA000-memory.dmp

Filesize
104KB

Download
memory/3060-69-0x0000000007750000-0x000000000775A000-memory.dmp

Filesize
40KB

Download
memory/3060-17-0x00000000056E0000-0x0000000005D08000-memory.dmp

Filesize
6.2MB

Download
memory/3060-81-0x0000000007960000-0x00000000079F6000-memory.dmp

Filesize
600KB

Download
memory/4972-71-0x0000000075480000-0x00000000754CC000-memory.dmp

Filesize
304KB

Download
memory/4972-93-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/4972-38-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/4972-41-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/4972-35-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/4972-86-0x00000000072F0000-0x000000000730A000-memory.dmp

Filesize
104KB

Download
memory/4972-87-0x00000000072D0000-0x00000000072D8000-memory.dmp

Filesize
32KB

Download
memory/5060-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/5060-10-0x000000000A0C0000-0x000000000A15C000-memory.dmp

Filesize
624KB

Download
memory/5060-9-0x00000000079B0000-0x0000000007A6E000-memory.dmp

Filesize
760KB

Download
memory/5060-51-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/5060-8-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/5060-7-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/5060-6-0x0000000007510000-0x0000000007522000-memory.dmp

Filesize
72KB

Download
memory/5060-5-0x0000000005770000-0x000000000577A000-memory.dmp

Filesize
40KB

Download
memory/5060-4-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/5060-3-0x0000000005790000-0x0000000005822000-memory.dmp

Filesize
584KB

Download
memory/5060-2-0x0000000005D40000-0x00000000062E4000-memory.dmp

Filesize
5.6MB

Download
memory/5060-1-0x0000000000CC0000-0x0000000000DA6000-memory.dmp

Filesize
920KB

Download