remcos | 1700c299182e51bcc8edbb9f97d3286e2f0a5440a74298a935f6df23cebe4d9b

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 19:52

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General

Target

7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe
Size

2.3MB
MD5

212b8cea43ea6afa550e0173c4886db8
SHA1

c6172ec15ca7d306c946b878bb25f7826dda5ae8
SHA256

7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97
SHA512

c9ff6e34fa03d7344593410a3ed7aceba9602635751aec8a7b28efbcfd66dce3a8a59824ce178bee018c14804886266488ec66057de1f99afdaf4cab094a3875
SSDEEP

49152:AqI9SmVXDmHGwpOLvjab9ziSwivC+h10jeTvQbv7aBfJXA:AqISmg5b9ziziq+Q0+aBfK

Score

10^/10

remcos thursday blessings discovery rat

Malware Config

Extracted

Family

remcos

Botnet

Thursday Blessings

aryexpcrt.ddns.net:3216

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-HDUA4I
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

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4536 set thread context of 3676	4536	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe	97

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 3 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	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1772	powershell.exe
1772	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4536	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe
Token: SeDebugPrivilege	1772	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3676	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 1772	4536	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe	87
PID 4536 wrote to memory of 1772	4536	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe	87
PID 4536 wrote to memory of 1772	4536	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe	87
PID 4536 wrote to memory of 3676	4536	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe	97
PID 4536 wrote to memory of 3676	4536	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe	97
PID 4536 wrote to memory of 3676	4536	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe	97
PID 4536 wrote to memory of 3676	4536	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe	97
PID 4536 wrote to memory of 3676	4536	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe	97
PID 4536 wrote to memory of 3676	4536	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe	97
PID 4536 wrote to memory of 3676	4536	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe	97
PID 4536 wrote to memory of 3676	4536	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe	97
PID 4536 wrote to memory of 3676	4536	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe	97
PID 4536 wrote to memory of 3676	4536	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe	97
PID 4536 wrote to memory of 3676	4536	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe	97
PID 4536 wrote to memory of 3676	4536	7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe	97

C:\Users\Admin\AppData\Local\Temp\7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe
"C:\Users\Admin\AppData\Local\Temp\7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA1AA==
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1772
- C:\Users\Admin\AppData\Local\Temp\7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe
  C:\Users\Admin\AppData\Local\Temp\7ad2ba6adbff737ab1c6b287c7f1ac7a76db8f2ad034d82b7da82ecdf4261a97.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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
8bdf5ff9df04abf986303907b77b90e5

SHA1
ee8f98d500b3dd43f04a33936c1b764917fb374f

SHA256
0fecbd5738cda578b64bb9acf652f074a1394b5ce00b3f676c9397524fdfbeaa

SHA512
fdac0a9ba5f86cbc1bcbebcea5839d6e0700739961c2ebdd17f17a37af15cd61cc27b9e6356a0f301531934e7786a5188bcd99b2b2580390ce89bcf5494a8b0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xravytvc.oww.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1772-8866-0x0000000006940000-0x000000000698C000-memory.dmp

Filesize
304KB

Download
memory/1772-8865-0x0000000006910000-0x000000000692E000-memory.dmp

Filesize
120KB

Download
memory/1772-8873-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1772-8869-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1772-8868-0x0000000006E10000-0x0000000006E2A000-memory.dmp

Filesize
104KB

Download
memory/1772-8867-0x0000000007F70000-0x00000000085EA000-memory.dmp

Filesize
6.5MB

Download
memory/1772-8849-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1772-8850-0x0000000005350000-0x0000000005386000-memory.dmp

Filesize
216KB

Download
memory/1772-8851-0x0000000005B20000-0x0000000006148000-memory.dmp

Filesize
6.2MB

Download
memory/1772-8855-0x0000000005A40000-0x0000000005AA6000-memory.dmp

Filesize
408KB

Download
memory/1772-8854-0x00000000059D0000-0x0000000005A36000-memory.dmp

Filesize
408KB

Download
memory/1772-8853-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/1772-8852-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/3676-8887-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3676-8883-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4536-44-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-71-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-39-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-31-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-29-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-27-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-25-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-21-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-19-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-15-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-13-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-33-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-23-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-9-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-11-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-69-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-67-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-65-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-63-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-61-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-59-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-57-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-55-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-35-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-2446-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/4536-2735-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4536-8848-0x00000000065E0000-0x0000000006934000-memory.dmp

Filesize
3.3MB

Download
memory/4536-38-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-41-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/4536-45-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-47-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-49-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-53-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-51-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-17-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-8-0x0000000005E60000-0x000000000609E000-memory.dmp

Filesize
2.2MB

Download
memory/4536-7-0x00000000062A0000-0x00000000062C2000-memory.dmp

Filesize
136KB

Download
memory/4536-6-0x0000000006200000-0x000000000620A000-memory.dmp

Filesize
40KB

Download
memory/4536-5-0x0000000005E60000-0x00000000060A4000-memory.dmp

Filesize
2.3MB

Download
memory/4536-4-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4536-8884-0x0000000074680000-0x0000000074E30000-memory.dmp

Filesize
7.7MB

Download
memory/4536-3-0x00000000056F0000-0x0000000005782000-memory.dmp

Filesize
584KB

Download
memory/4536-2-0x00000000058B0000-0x0000000005E54000-memory.dmp

Filesize
5.6MB

Download
memory/4536-1-0x0000000000790000-0x00000000009E8000-memory.dmp

Filesize
2.3MB

Download