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
behavioral2/memory/5096-0-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/5096-2-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/5096-3-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/5096-6-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/5096-10-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/5096-13-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/5096-16-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/5096-19-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/5096-22-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/5096-25-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/5096-28-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/5096-31-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/5096-34-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/5096-36-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/5096-39-0x0000000000400000-0x0000000000489000-memory.dmp	upx
behavioral2/memory/5096-42-0x0000000000400000-0x0000000000489000-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
5096	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:5096

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
a6f5fbce3555accd8e78b3e9411006d2

SHA1
9c1346488f9014ded47a86e55ccdf7dbfb61ab7b

SHA256
f8240dbe7fc08823811181b46a48fb5f963765ff3c7e8c2814c8fe7bcc2d6299

SHA512
04e846bfe93098496fe6f504f6de2611ba1c3357aac9a9462d24ec10231767bf9c7426f5f65812cf6661cc455d76cd1bafcfb08d27829029a73fc6efb33b027c

Download Submit
memory/5096-19-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/5096-16-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/5096-6-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/5096-2-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/5096-22-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/5096-13-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/5096-3-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/5096-0-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/5096-10-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/5096-25-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/5096-28-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/5096-31-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/5096-34-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/5096-36-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/5096-39-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download
memory/5096-42-0x0000000000400000-0x0000000000489000-memory.dmp

Filesize
548KB

Download

Analysis

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