remcos | caecd4bc46d1e621a68e1d844a6ff423d3496222aa26e8437ea2a259eabe8963

General

Target

af811dc82e84cb34dcdbb61b65e842b3ecbf44ee7375d4c60fab594ecb886661.exe
Size

263KB
MD5

80535092f67976be3bd4d417bffbf1fe
SHA1

47d9303d29001d8517a7d72087e1dc205399786c
SHA256

af811dc82e84cb34dcdbb61b65e842b3ecbf44ee7375d4c60fab594ecb886661
SHA512

e813d0bfa9b108850250acd55c63481fbe6bf8611524951028ce61427c47a71570ae79799d0a9f1525a865743efd4db7cb3c86f2e17bee8dc72d103027845f17
SSDEEP

6144:a5V4E4Bfp5u+G7QF3Wl8R4AXmbsl3z/dL/mq:akECfpxG7QlWlmWEVDmq

Score

10^/10

remcos august discovery rat

Malware Config

Extracted

Family

remcos

Version

2.7.2 Pro

Botnet

AUGUST

C2

typejimbo.ddns.net:8898

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-9VRIVL
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
take_screenshot_title
wikipedia;solitaire;

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 1632 set thread context of 2236	1632	af811dc82e84cb34dcdbb61b65e842b3ecbf44ee7375d4c60fab594ecb886661.exe	30

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	af811dc82e84cb34dcdbb61b65e842b3ecbf44ee7375d4c60fab594ecb886661.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1632	af811dc82e84cb34dcdbb61b65e842b3ecbf44ee7375d4c60fab594ecb886661.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 2236	1632	af811dc82e84cb34dcdbb61b65e842b3ecbf44ee7375d4c60fab594ecb886661.exe	30
PID 1632 wrote to memory of 2236	1632	af811dc82e84cb34dcdbb61b65e842b3ecbf44ee7375d4c60fab594ecb886661.exe	30
PID 1632 wrote to memory of 2236	1632	af811dc82e84cb34dcdbb61b65e842b3ecbf44ee7375d4c60fab594ecb886661.exe	30
PID 1632 wrote to memory of 2236	1632	af811dc82e84cb34dcdbb61b65e842b3ecbf44ee7375d4c60fab594ecb886661.exe	30
PID 1632 wrote to memory of 2236	1632	af811dc82e84cb34dcdbb61b65e842b3ecbf44ee7375d4c60fab594ecb886661.exe	30

C:\Users\Admin\AppData\Local\Temp\af811dc82e84cb34dcdbb61b65e842b3ecbf44ee7375d4c60fab594ecb886661.exe
"C:\Users\Admin\AppData\Local\Temp\af811dc82e84cb34dcdbb61b65e842b3ecbf44ee7375d4c60fab594ecb886661.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Users\Admin\AppData\Local\Temp\af811dc82e84cb34dcdbb61b65e842b3ecbf44ee7375d4c60fab594ecb886661.exe
  "C:\Users\Admin\AppData\Local\Temp\af811dc82e84cb34dcdbb61b65e842b3ecbf44ee7375d4c60fab594ecb886661.exe"
  2⤵
  PID:2236

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/1632-2-0x0000000000280000-0x0000000000283000-memory.dmp

Filesize
12KB

Download
memory/1632-1-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2236-3-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-7-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-6-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-5-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-8-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-10-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-11-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-13-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-14-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-15-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-17-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-18-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-19-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-20-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-21-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2236-22-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

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