remcos | a1ef556ed0fc0f7394571acdf9ea7c773843c0a93708f873e5218efd09dfc7d6

General

Target

a1ef556ed0fc0f7394571acdf9ea7c773843c0a93708f873e5218efd09dfc7d6.exe
Size

216KB
MD5

d280ee0e72c9754a03b0f1e16625340e
SHA1

29853efdf3bd2bd197f3db0ddb04a5d34111137e
SHA256

a1ef556ed0fc0f7394571acdf9ea7c773843c0a93708f873e5218efd09dfc7d6
SHA512

5994bebcb0c201bea421f38e4968eb71d4dc06dd7c275c79985c08a4b9d77ecc9a2d20a2b91ffc2f2fe50f269b2fd2488f0dee67ed32483ee08cb7a30dc448e7
SSDEEP

3072:r7J0hwT6LPmFntc2rnEtfqQ8M14+WUsOpBPG17z8jIygGwqSUdXQIlDlq/tmooun:3Jc9LPYnK0EtYMWqbBPGKYGxxVInoS

Score

10^/10

remcos blessedman discovery rat upx

Malware Config

Extracted

Family

remcos

Botnet

Blessedman

C2

realtimeinc.duckdns.org:2025

realtimeinc.duckdns.org:2026

offlinetimedns.duckdns.org:3920

moneybanks.mysynology.net:3925

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-707M3H
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
Remcos family
remcos

UPX packed file 16 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2036-0-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2036-3-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2036-4-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2036-7-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2036-10-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2036-13-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2036-16-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2036-19-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2036-22-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2036-24-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2036-28-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2036-31-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2036-34-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2036-37-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2036-40-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral1/memory/2036-43-0x0000000000400000-0x0000000000489000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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	a1ef556ed0fc0f7394571acdf9ea7c773843c0a93708f873e5218efd09dfc7d6.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2036	a1ef556ed0fc0f7394571acdf9ea7c773843c0a93708f873e5218efd09dfc7d6.exe

C:\Users\Admin\AppData\Local\Temp\a1ef556ed0fc0f7394571acdf9ea7c773843c0a93708f873e5218efd09dfc7d6.exe
"C:\Users\Admin\AppData\Local\Temp\a1ef556ed0fc0f7394571acdf9ea7c773843c0a93708f873e5218efd09dfc7d6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
b47751090a960d51a0f161a7d4f0647a

SHA1
62c013692a2f0dfcb6db2f01c602aac89e90cf4a

SHA256
088c4e827ed037caf2c7d2107506ddf723640aacc0521137ab6f30a95a5add35

SHA512
a69bc19bcc0aaf5d706055a7d628b605182aa1f5eba17ea8cf8be2a9e90cda76774f6fe0f9d1ad2dcdd1af9bc148ecb53f71215ce53fdf891ec4881c48a335fd

Download Submit
memory/2036-19-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2036-16-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2036-7-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2036-3-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2036-22-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2036-13-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2036-4-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2036-0-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2036-10-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2036-24-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2036-28-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2036-31-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2036-34-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2036-37-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2036-40-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/2036-43-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download

Analysis

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