remcos | d2a87b1b1a1106b874e949e49a55e7e68202eaa84062c270bbf62481bb769a45

General

Target

fd590a606d1d440d77d341a682c0e1e7.exe
Size

1.0MB
MD5

fd590a606d1d440d77d341a682c0e1e7
SHA1

3f9fedc607ba64b88b607d99ed4071b9d04f9589
SHA256

d2a87b1b1a1106b874e949e49a55e7e68202eaa84062c270bbf62481bb769a45
SHA512

b5ae2854414d2baffb33bee8c723eff60f67ead3dcc13705390c6bbd61482599cbc9cb9165a29ac4c7290a57e0c4af8f2b65a7e5e9cb0f553bf14ce5741deb3f
SSDEEP

24576:4zqwz4J8WFCIvIwxoKCWS2zzIy4zhnmCeNv7KCuCqsRG/:4z7zMLFCIKWS6zIXhnOOCTqsk

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

198.12.81.146:7643

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-5YTKJV
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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
26	3304	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2300 set thread context of 2848	2300	fd590a606d1d440d77d341a682c0e1e7.exe	93

System Location Discovery: System Language Discovery 1 TTPs 2 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	fd590a606d1d440d77d341a682c0e1e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4576	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2300	fd590a606d1d440d77d341a682c0e1e7.exe
2300	fd590a606d1d440d77d341a682c0e1e7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2300	fd590a606d1d440d77d341a682c0e1e7.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2848	fd590a606d1d440d77d341a682c0e1e7.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 1592	2300	fd590a606d1d440d77d341a682c0e1e7.exe	92
PID 2300 wrote to memory of 1592	2300	fd590a606d1d440d77d341a682c0e1e7.exe	92
PID 2300 wrote to memory of 1592	2300	fd590a606d1d440d77d341a682c0e1e7.exe	92
PID 2300 wrote to memory of 2848	2300	fd590a606d1d440d77d341a682c0e1e7.exe	93
PID 2300 wrote to memory of 2848	2300	fd590a606d1d440d77d341a682c0e1e7.exe	93
PID 2300 wrote to memory of 2848	2300	fd590a606d1d440d77d341a682c0e1e7.exe	93
PID 2300 wrote to memory of 2848	2300	fd590a606d1d440d77d341a682c0e1e7.exe	93
PID 2300 wrote to memory of 2848	2300	fd590a606d1d440d77d341a682c0e1e7.exe	93
PID 2300 wrote to memory of 2848	2300	fd590a606d1d440d77d341a682c0e1e7.exe	93
PID 2300 wrote to memory of 2848	2300	fd590a606d1d440d77d341a682c0e1e7.exe	93
PID 2300 wrote to memory of 2848	2300	fd590a606d1d440d77d341a682c0e1e7.exe	93
PID 2300 wrote to memory of 2848	2300	fd590a606d1d440d77d341a682c0e1e7.exe	93
PID 2300 wrote to memory of 2848	2300	fd590a606d1d440d77d341a682c0e1e7.exe	93

C:\Users\Admin\AppData\Local\Temp\fd590a606d1d440d77d341a682c0e1e7.exe
"C:\Users\Admin\AppData\Local\Temp\fd590a606d1d440d77d341a682c0e1e7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Users\Admin\AppData\Local\Temp\fd590a606d1d440d77d341a682c0e1e7.exe
  "C:\Users\Admin\AppData\Local\Temp\fd590a606d1d440d77d341a682c0e1e7.exe"
  2⤵
  PID:1592
- C:\Users\Admin\AppData\Local\Temp\fd590a606d1d440d77d341a682c0e1e7.exe
  "C:\Users\Admin\AppData\Local\Temp\fd590a606d1d440d77d341a682c0e1e7.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2848

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY0MzMiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODc1OTU2NTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0ODcwMTMwMzg0Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4576

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
ad259e165fc7422988e6d6c784aded7c

SHA1
5c0276508aef7015eca735cde1c1f844c22833a4

SHA256
d72b3ebc8ce437626e165a9b550f1a7fdfe58edc3d0c4cdeed5cba5df0809408

SHA512
c10e1c80b4bbba1a1edb4873ea2ba3b627da629e56901412ea99abaa9999dd451c04b9ad64896c2240734e48986b44e3f29a1f81b4ef5773630b92c3aabe1920

Download Submit
memory/2300-6-0x0000000005280000-0x000000000529E000-memory.dmp

Filesize
120KB

Download
memory/2300-2-0x00000000052B0000-0x0000000005854000-memory.dmp

Filesize
5.6MB

Download
memory/2300-3-0x0000000004DB0000-0x0000000004E42000-memory.dmp

Filesize
584KB

Download
memory/2300-4-0x0000000004F60000-0x0000000004F6A000-memory.dmp

Filesize
40KB

Download
memory/2300-5-0x0000000074260000-0x0000000074A10000-memory.dmp

Filesize
7.7MB

Download
memory/2300-0-0x000000007426E000-0x000000007426F000-memory.dmp

Filesize
4KB

Download
memory/2300-7-0x000000007426E000-0x000000007426F000-memory.dmp

Filesize
4KB

Download
memory/2300-8-0x0000000074260000-0x0000000074A10000-memory.dmp

Filesize
7.7MB

Download
memory/2300-10-0x0000000007600000-0x00000000076C2000-memory.dmp

Filesize
776KB

Download
memory/2300-11-0x000000000BFE0000-0x000000000C07C000-memory.dmp

Filesize
624KB

Download
memory/2300-1-0x00000000002D0000-0x00000000003DC000-memory.dmp

Filesize
1.0MB

Download
memory/2300-22-0x0000000074260000-0x0000000074A10000-memory.dmp

Filesize
7.7MB

Download
memory/2848-16-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2848-25-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2848-21-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2848-13-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2848-20-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2848-19-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2848-24-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2848-15-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2848-26-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2848-28-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2848-12-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2848-35-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2848-34-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2848-48-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2848-50-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download

Analysis

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