remcos | d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 01:48

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General

Target

d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe
Size

915KB
MD5

02d513fa3a4c04f1ffce97c25caccdff
SHA1

853948f7ff1d69a293c4f4617185c24b9859e6dd
SHA256

d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a
SHA512

9a9b925e7d5acec5216ecb64f7352a8a27598106452984f08155f2bef640fe1ad93ff3a7869cacfaec2514641740c41fcc0e7e4f0172eaa7072c1c9c05087ab3
SSDEEP

24576:SgW2J4Sl29MaW6EEJJQEtTShtxMwwW7yUVzmoeli:SgjJYSoxtuDxZlyUVzmo

Score

10^/10

remcos generalwire-slaves discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

GeneralWire-Slaves

milliondollar23.duckdns.org:3984

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-TWU43D
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

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
4320	powershell.exe
1624	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	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5560 set thread context of 3020	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	104

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	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.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	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.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
3708	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe
4320	powershell.exe
4320	powershell.exe
1624	powershell.exe
1624	powershell.exe
5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe
5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe
5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe
5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe
4320	powershell.exe
1624	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe
Token: SeDebugPrivilege	4320	powershell.exe
Token: SeDebugPrivilege	1624	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3020	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 5560 wrote to memory of 4320	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	97
PID 5560 wrote to memory of 4320	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	97
PID 5560 wrote to memory of 4320	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	97
PID 5560 wrote to memory of 1624	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	99
PID 5560 wrote to memory of 1624	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	99
PID 5560 wrote to memory of 1624	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	99
PID 5560 wrote to memory of 3708	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	101
PID 5560 wrote to memory of 3708	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	101
PID 5560 wrote to memory of 3708	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	101
PID 5560 wrote to memory of 5396	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	103
PID 5560 wrote to memory of 5396	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	103
PID 5560 wrote to memory of 5396	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	103
PID 5560 wrote to memory of 3020	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	104
PID 5560 wrote to memory of 3020	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	104
PID 5560 wrote to memory of 3020	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	104
PID 5560 wrote to memory of 3020	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	104
PID 5560 wrote to memory of 3020	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	104
PID 5560 wrote to memory of 3020	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	104
PID 5560 wrote to memory of 3020	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	104
PID 5560 wrote to memory of 3020	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	104
PID 5560 wrote to memory of 3020	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	104
PID 5560 wrote to memory of 3020	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	104
PID 5560 wrote to memory of 3020	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	104
PID 5560 wrote to memory of 3020	5560	d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe	104

C:\Users\Admin\AppData\Local\Temp\d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe
"C:\Users\Admin\AppData\Local\Temp\d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.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:5560
- 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\d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4320
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LdtceRaylJq.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1624
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LdtceRaylJq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB551.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3708
- C:\Users\Admin\AppData\Local\Temp\d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe
  "C:\Users\Admin\AppData\Local\Temp\d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe"
  2⤵
  PID:5396
- C:\Users\Admin\AppData\Local\Temp\d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe
  "C:\Users\Admin\AppData\Local\Temp\d00a443bf00b909b32fbd9894462283fca5788e28b96a9e729f43fc4f2ca585a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3020

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=3820,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=4384 /prefetch:8
1⤵
PID:1736

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:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
e03fe4919d3370cb5c9141985fe1daac

SHA1
2c0e165a52cdf65719c617a329e84cdc0ee956ea

SHA256
4cd8afd88b8d28871744b2b2d84b817e081ed89bba24f209a47aa3d8aff5a46f

SHA512
8bfa6c5e2d9c596ee534df97579b9d94a6f0f11439d9feb4a7a4db692138b746cb78cd4f479d5202ba81261cdf33f3528f0a2711fc6af8ce3fc54b39b69190dd

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
4fd9885ab5f5b10824e6310fa18d62bc

SHA1
5e24c85b958dd970c227bd09a2c7ceedd3ed2853

SHA256
7e3584e7f403787c9bb09dbae899537dbeea9d44a982ad5d354f3ffe385fc456

SHA512
60099cedf5bfecb45cacb0c53addfeb5c7bd394730c33d52f854a46530073b7b44760b9ea4cdc9486481db9af28bc8e47dd26431fa966f6d1f2e723b7815e3d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lasjqb3j.arf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB551.tmp

Filesize
1KB

MD5
5624f0ac920dd47b12fc5c68dcc4975b

SHA1
9ef222eaaf4fedcc57e2093371693735eb0a8a83

SHA256
b699e06a5923c45383a358f005a2f1cb4ea606d333646dbfd24287798d1c578e

SHA512
3103ba9b9afa34576fbdab740f3941fd3bf554a8878b73d9ef53c33707978f78c3726821caeea4b6295abbd374a73a9cacf094eeffb8df11c531ad0784429ea3

Download Submit
memory/1624-86-0x0000000007A50000-0x0000000007A6A000-memory.dmp

Filesize
104KB

Download
memory/1624-54-0x0000000006420000-0x000000000646C000-memory.dmp

Filesize
304KB

Download
memory/1624-80-0x0000000007780000-0x000000000778A000-memory.dmp

Filesize
40KB

Download
memory/1624-79-0x0000000007710000-0x000000000772A000-memory.dmp

Filesize
104KB

Download
memory/1624-78-0x0000000007D50000-0x00000000083CA000-memory.dmp

Filesize
6.5MB

Download
memory/1624-82-0x0000000007910000-0x0000000007921000-memory.dmp

Filesize
68KB

Download
memory/1624-55-0x0000000007560000-0x0000000007592000-memory.dmp

Filesize
200KB

Download
memory/1624-83-0x0000000007940000-0x000000000794E000-memory.dmp

Filesize
56KB

Download
memory/1624-76-0x00000000075A0000-0x00000000075BE000-memory.dmp

Filesize
120KB

Download
memory/1624-56-0x0000000075AF0000-0x0000000075B3C000-memory.dmp

Filesize
304KB

Download
memory/1624-20-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1624-81-0x0000000007990000-0x0000000007A26000-memory.dmp

Filesize
600KB

Download
memory/1624-53-0x00000000062D0000-0x00000000062EE000-memory.dmp

Filesize
120KB

Download
memory/1624-84-0x0000000007950000-0x0000000007964000-memory.dmp

Filesize
80KB

Download
memory/1624-23-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1624-77-0x0000000007600000-0x00000000076A3000-memory.dmp

Filesize
652KB

Download
memory/1624-94-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1624-31-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/1624-87-0x0000000007A30000-0x0000000007A38000-memory.dmp

Filesize
32KB

Download
memory/3020-99-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-97-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-51-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-48-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-98-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-46-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-102-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-96-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-106-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-113-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-45-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-114-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-121-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-122-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4320-95-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/4320-17-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/4320-66-0x0000000075AF0000-0x0000000075B3C000-memory.dmp

Filesize
304KB

Download
memory/4320-16-0x0000000004D50000-0x0000000005378000-memory.dmp

Filesize
6.2MB

Download
memory/4320-85-0x0000000007200000-0x000000000721A000-memory.dmp

Filesize
104KB

Download
memory/4320-15-0x0000000002280000-0x00000000022B6000-memory.dmp

Filesize
216KB

Download
memory/4320-29-0x00000000055D0000-0x0000000005924000-memory.dmp

Filesize
3.3MB

Download
memory/4320-18-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/4320-19-0x0000000004CC0000-0x0000000004CE2000-memory.dmp

Filesize
136KB

Download
memory/4320-21-0x00000000054F0000-0x0000000005556000-memory.dmp

Filesize
408KB

Download
memory/4320-22-0x0000000005560000-0x00000000055C6000-memory.dmp

Filesize
408KB

Download
memory/5560-5-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/5560-6-0x0000000006D90000-0x0000000006DA2000-memory.dmp

Filesize
72KB

Download
memory/5560-2-0x0000000005950000-0x0000000005EF4000-memory.dmp

Filesize
5.6MB

Download
memory/5560-4-0x0000000005310000-0x000000000531A000-memory.dmp

Filesize
40KB

Download
memory/5560-3-0x00000000053A0000-0x0000000005432000-memory.dmp

Filesize
584KB

Download
memory/5560-0-0x000000007524E000-0x000000007524F000-memory.dmp

Filesize
4KB

Download
memory/5560-52-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/5560-1-0x0000000000940000-0x0000000000A2A000-memory.dmp

Filesize
936KB

Download
memory/5560-10-0x0000000009940000-0x00000000099DC000-memory.dmp

Filesize
624KB

Download
memory/5560-9-0x0000000007240000-0x0000000007300000-memory.dmp

Filesize
768KB

Download
memory/5560-8-0x0000000075240000-0x00000000759F0000-memory.dmp

Filesize
7.7MB

Download
memory/5560-7-0x000000007524E000-0x000000007524F000-memory.dmp

Filesize
4KB

Download