remcos | 612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5

General

Target

612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe
Size

1.3MB
MD5

2c3d017ca38df34ff79c87ca724e7888
SHA1

1b613f79a3c4b316b3e47756e75a4f2e84e1f19b
SHA256

612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5
SHA512

72d35c02b52549557bf26ebbe65fc7348b94b1e3359515f47424f92d41aaa74b05a397b5d9b301359fcdcd3febd36d395b076ef3f7d99ee310a3a8b578d97481
SSDEEP

12288:5cwvBYnX3HHvb+Qmj1mZ/srMF5Zmoza2Cr71PW7rYNzY/z8CCCQ2annc2AuIEGxN:5I3HphrYRYXxaEEMVj/RTQfZwSi1N

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

154.216.19.243:50417

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-UG4F0K
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 3972 set thread context of 3184	3972	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	83

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	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3972	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe
3972	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3972	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3184	RegAsm.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 4960	3972	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	82
PID 3972 wrote to memory of 4960	3972	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	82
PID 3972 wrote to memory of 4960	3972	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	82
PID 3972 wrote to memory of 3184	3972	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	83
PID 3972 wrote to memory of 3184	3972	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	83
PID 3972 wrote to memory of 3184	3972	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	83
PID 3972 wrote to memory of 3184	3972	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	83
PID 3972 wrote to memory of 3184	3972	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	83
PID 3972 wrote to memory of 3184	3972	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	83
PID 3972 wrote to memory of 3184	3972	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	83
PID 3972 wrote to memory of 3184	3972	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	83
PID 3972 wrote to memory of 3184	3972	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	83
PID 3972 wrote to memory of 3184	3972	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	83

C:\Users\Admin\AppData\Local\Temp\612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe
"C:\Users\Admin\AppData\Local\Temp\612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3972
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4960
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3184

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\remcos\logs.dat

Filesize
144B

MD5
6a5b2c323b48de4f4b06bd3f60980522

SHA1
f8596540a8edd9b36d6a4363debcc07863b2a836

SHA256
55f52f157a20978c5cf0c15e01bb9c2c04df2f3637070afc2055d8b22f3ddc04

SHA512
7080bbc5af63f3c6d2d1f674c389590d4466ee019f66193f8e821d2b0b099a068441f740d7c5611c0300bd6d4fea2c5bd9c09b6c6ac6dabe730f52fa3534543c

Download Submit
memory/3184-16-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-50-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-15-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-5-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-49-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-6-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-9-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-14-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-13-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-17-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-3-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-42-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-10-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-19-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-41-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-25-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-26-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-33-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3184-34-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3972-1-0x0000000000050000-0x000000000019E000-memory.dmp

Filesize
1.3MB

Download
memory/3972-2-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/3972-7-0x0000000074F90000-0x0000000075740000-memory.dmp

Filesize
7.7MB

Download
memory/3972-0-0x0000000074F9E000-0x0000000074F9F000-memory.dmp

Filesize
4KB

Download

Analysis

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