remcos | 13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4

General

Target

13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe
Size

620KB
MD5

0465ec2d24c181b6575a4a8bd1973ec6
SHA1

f86c46166593d69dc0cc04fc3991fef8a8673a41
SHA256

13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4
SHA512

1ecedc50b7bedbda2f252ef243a980b683b07eed64cd98997ee241c446e705c246e57234d6626598a38cf5b9c27a86fe56399c592cdcd64b936cd080d69f9954
SSDEEP

12288:M417/cAhnVxR24T93+suohEX7RGFO3dugtOh0S:M417/ciXRQnoWXEg3dOb

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

www.chileeclassproject.com: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
5451
mouse_option
false
mutex
Rmc-1FU53L
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 4816 set thread context of 4872	4816	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe	87

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	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4816	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe
4816	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4816	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4872	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 3260	4816	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe	86
PID 4816 wrote to memory of 3260	4816	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe	86
PID 4816 wrote to memory of 3260	4816	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe	86
PID 4816 wrote to memory of 4872	4816	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe	87
PID 4816 wrote to memory of 4872	4816	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe	87
PID 4816 wrote to memory of 4872	4816	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe	87
PID 4816 wrote to memory of 4872	4816	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe	87
PID 4816 wrote to memory of 4872	4816	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe	87
PID 4816 wrote to memory of 4872	4816	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe	87
PID 4816 wrote to memory of 4872	4816	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe	87
PID 4816 wrote to memory of 4872	4816	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe	87
PID 4816 wrote to memory of 4872	4816	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe	87
PID 4816 wrote to memory of 4872	4816	13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe	87

C:\Users\Admin\AppData\Local\Temp\13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe
"C:\Users\Admin\AppData\Local\Temp\13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4816
- C:\Users\Admin\AppData\Local\Temp\13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe
  "C:\Users\Admin\AppData\Local\Temp\13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe"
  2⤵
  PID:3260
- C:\Users\Admin\AppData\Local\Temp\13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe
  "C:\Users\Admin\AppData\Local\Temp\13ada013639ef3805f361234db589d84426e5dd2045a4b39369fe600c461f4a4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4872

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\5451\logs.dat

Filesize
144B

MD5
ce08e3d0dfed7a402384561ef3af4f04

SHA1
48137c18517a2c0658996d85eaf354288294d131

SHA256
6fda0e96dc0209b500f335451aaafbe5aaf9b5c3a2dd6c157f7499b2d85ab249

SHA512
262419557c69809966a1fbf0a6d5625d7bc16657a29904bf5a6a8201bb5d2b46b253c17ccf2fb43b9eb49b2208b8a18b535a1e1e3b2722aa3cdaf99ea1948b67

Download Submit
memory/4816-17-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/4816-1-0x00000000006C0000-0x0000000000762000-memory.dmp

Filesize
648KB

Download
memory/4816-2-0x0000000005790000-0x0000000005D34000-memory.dmp

Filesize
5.6MB

Download
memory/4816-3-0x00000000051E0000-0x0000000005272000-memory.dmp

Filesize
584KB

Download
memory/4816-4-0x0000000005170000-0x000000000517A000-memory.dmp

Filesize
40KB

Download
memory/4816-5-0x0000000074620000-0x0000000074DD0000-memory.dmp

Filesize
7.7MB

Download
memory/4816-6-0x0000000005400000-0x0000000005486000-memory.dmp

Filesize
536KB

Download
memory/4816-0-0x000000007462E000-0x000000007462F000-memory.dmp

Filesize
4KB

Download
memory/4872-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-7-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-10-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4872-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

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