remcos | f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5

General

Target

f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe
Size

994KB
MD5

6731b5df6330f9985ff98363800962dc
SHA1

308778a3bbafd1bb5b1d7d8bab7801ffd04d2955
SHA256

f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5
SHA512

ce479e75632c2e470eb84cdb42e94534bb21975124dd3f166f9a5aecd62cff3ebf37ee9bb3e4c7110fd23782c2798ced8559ba6b3f5d57b01c6d512d1bb02c0b
SSDEEP

24576:x4FXOPkfKVH2Ix+fPFGuR6BdNoLZT/dZGeBdgE7E8D:y9yVHQftTm8ZT1/dD7E8D

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

80.76.51.19:2404

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-2XABUM
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2396 set thread context of 1804	2396	f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe	28

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	f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 1804	2396	f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe	28
PID 2396 wrote to memory of 1804	2396	f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe	28
PID 2396 wrote to memory of 1804	2396	f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe	28
PID 2396 wrote to memory of 1804	2396	f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe	28
PID 2396 wrote to memory of 1804	2396	f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe	28
PID 2396 wrote to memory of 1804	2396	f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe	28
PID 2396 wrote to memory of 1804	2396	f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe	28
PID 2396 wrote to memory of 1804	2396	f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe	28
PID 2396 wrote to memory of 1804	2396	f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe	28
PID 2396 wrote to memory of 1804	2396	f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe	28
PID 2396 wrote to memory of 1804	2396	f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe	28

C:\Users\Admin\AppData\Local\Temp\f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe
"C:\Users\Admin\AppData\Local\Temp\f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Users\Admin\AppData\Local\Temp\f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe
  "C:\Users\Admin\AppData\Local\Temp\f7e621225671ac8ad38c562c75005271fc1a829343d4a3358ce20988985c5ab5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1804

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

memory/1804-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-7-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-13-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1804-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1804-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2396-1-0x00000000008D0000-0x00000000009CE000-memory.dmp

Filesize
1016KB

Download
memory/2396-2-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/2396-21-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/2396-6-0x0000000004860000-0x0000000004922000-memory.dmp

Filesize
776KB

Download
memory/2396-5-0x0000000074B40000-0x000000007522E000-memory.dmp

Filesize
6.9MB

Download
memory/2396-4-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/2396-3-0x0000000000520000-0x0000000000538000-memory.dmp

Filesize
96KB

Download
memory/2396-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download

Analysis

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