remcos | c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31

General

Target

c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe
Size

1.2MB
MD5

f160ddfe3d7e39dc40d9a018fe2fef16
SHA1

b2c1b86d8a35bf2a779ad14b940b9d7072954fbd
SHA256

c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31
SHA512

e6852928db68127f98977490b4ac8161dd0426c2fa29842b6c6a15abda6eb10fb1dfae3c6aa183b38b4e91b9d2ff32ff19aca668e0a976bc00df2092edae3eb1
SSDEEP

24576:ou6J33O0c+JY5UZ+XC0kGso6FayvQSSGXFFkIzSGo1c3Q6qGcZsDWY:Cu0c++OCvkGs9FayvtSGV6IGT1x6wY

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:45111

196.251.92.84:45111

ikechi2.duckdns.org:45111

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-ZKI7L3
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

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	c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
860	c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe
860	c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe
4424	c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe
4424	c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
860	c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe
860	c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe
4424	c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe
4424	c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 4424	860	c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe	89
PID 860 wrote to memory of 4424	860	c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe	89
PID 860 wrote to memory of 4424	860	c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe	89

C:\Users\Admin\AppData\Local\Temp\c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe
"C:\Users\Admin\AppData\Local\Temp\c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:860
- C:\Users\Admin\AppData\Local\Temp\c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe
  "C:\Users\Admin\AppData\Local\Temp\c7daaf3bafa2af2b0dc4b9c933f629ddfb05cdd1c5728eb128e74636cd0e3a31.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:4424

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:\Users\Admin\AppData\Local\Temp\Nasalis

Filesize
469KB

MD5
f9b005765667d5d6d2557e693d88829c

SHA1
e20b7611aa07786fd20e6c42b13473ce83367f28

SHA256
09a80753d9d8249ac2964c6de3c40e86407b4d1b6eccb031318335698781c288

SHA512
aaeecc26fb189f470299bd94f8666bea89f3583acc230545d7455a29076c022ee5fc42795f64f04c8578bff30c0d04ad894bd579d81a3f4caaa00f63fd7b9cb0

Download Submit
memory/860-6-0x0000000000B50000-0x0000000000F50000-memory.dmp

Filesize
4.0MB

Download
memory/4424-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-16-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-20-0x0000000000F80000-0x0000000001380000-memory.dmp

Filesize
4.0MB

Download
memory/4424-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-14-0x0000000000F80000-0x0000000001380000-memory.dmp

Filesize
4.0MB

Download
memory/4424-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4424-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

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