remcos | a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9

General

Target

a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe
Size

1.3MB
MD5

4e88c1858bf4ed7bc7549fba8c045e75
SHA1

ac5f9d4006d7a3aec5d20cb92d138be466a2d880
SHA256

a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9
SHA512

c4ee46e6679b99fc07ff0eca898e21a50cff2211af4fa0c44d6c3f79ceea7ce7ee02fc86727ee9635e3c4c7ad045427ba6673040e4d288c525876211acbf02d2
SSDEEP

24576:gWfbDrWZvkWoI8VtdIhvIqYF7YTVW8xqRiLmfUuyHXGxtLrsX8Nk3lS8J3zdQSXy:/j0vkWohtSVYF7YJJkiyfgqrsX8Nk3lE

Score

10^/10

remcos sol2 discovery rat

Malware Config

Extracted

Family

remcos

Botnet

sol2

C2

formationslistcomplet2.sexidude.com:30201

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
registros.dat
keylog_flag
false
keylog_folder
registro
mouse_option
false
mutex
qazxswedcvfrdsasx-WVOMOA
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Capturas de pantalla
screenshot_path
%AppData%
screenshot_time
10
startup_value
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	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2428	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2428	2324	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	28
PID 2324 wrote to memory of 2428	2324	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	28
PID 2324 wrote to memory of 2428	2324	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	28
PID 2324 wrote to memory of 2428	2324	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	28
PID 2324 wrote to memory of 2428	2324	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	28
PID 2324 wrote to memory of 2428	2324	a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe	28

C:\Users\Admin\AppData\Local\Temp\a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe
"C:\Users\Admin\AppData\Local\Temp\a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Users\Admin\AppData\Local\Temp\a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe
  "C:\Users\Admin\AppData\Local\Temp\a8fb1ec487bbdfcf2308fc70a7c013e4ebc395acac637d5364db6040ee2d03c9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2428

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\registro\registros.dat

Filesize
184B

MD5
c5bf94353bd6e6e9f68cde2915aaed63

SHA1
16ad649fbb06f6c4aecdbeca67f00da8b8b3f1ee

SHA256
7fa938f68ee73416478de9a0d98443b16423003081327bee53a67b812bfbe7a9

SHA512
0757fa22a37a7523a761676113393c8f9c5666a387b85a8fe0617c08a70e86e26d9e25dcba55dda338f716e410bf008cf7db0d2079aea6e688a4ecc734cfb1d3

Download Submit
memory/2324-20-0x000000000050F000-0x000000000053C000-memory.dmp

Filesize
180KB

Download
memory/2324-19-0x0000000000507000-0x000000000053C000-memory.dmp

Filesize
212KB

Download
memory/2324-6-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2324-4-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2324-3-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2324-1-0x0000000000408000-0x0000000000420000-memory.dmp

Filesize
96KB

Download
memory/2324-5-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2324-0-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2324-21-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2324-18-0x0000000000502000-0x0000000000508000-memory.dmp

Filesize
24KB

Download
memory/2324-17-0x00000000004FC000-0x0000000000508000-memory.dmp

Filesize
48KB

Download
memory/2324-16-0x000000000053B000-0x0000000000559000-memory.dmp

Filesize
120KB

Download
memory/2324-15-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2324-14-0x00000000004ED000-0x00000000004F5000-memory.dmp

Filesize
32KB

Download
memory/2324-12-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2428-23-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2428-7-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2428-11-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2428-24-0x0000000000400000-0x000000000055A000-memory.dmp

Filesize
1.4MB

Download
memory/2428-25-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2428-28-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2428-29-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2428-34-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2428-35-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2428-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2428-40-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2428-41-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2428-47-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2428-48-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2428-53-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2428-54-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2428-59-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2428-61-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2428-66-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2428-67-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download

Analysis

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