remcos | 612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
22/01/2025, 14:56

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

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

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 2544 set thread context of 2300	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	31

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 4 IoCs

pid	Process
2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe
2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe
2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe
2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2300	RegAsm.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 1016	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	29
PID 2544 wrote to memory of 1016	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	29
PID 2544 wrote to memory of 1016	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	29
PID 2544 wrote to memory of 1016	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	29
PID 2544 wrote to memory of 1016	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	29
PID 2544 wrote to memory of 1016	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	29
PID 2544 wrote to memory of 1016	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	29
PID 2544 wrote to memory of 2244	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	30
PID 2544 wrote to memory of 2244	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	30
PID 2544 wrote to memory of 2244	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	30
PID 2544 wrote to memory of 2244	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	30
PID 2544 wrote to memory of 2244	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	30
PID 2544 wrote to memory of 2244	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	30
PID 2544 wrote to memory of 2244	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	30
PID 2544 wrote to memory of 2300	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	31
PID 2544 wrote to memory of 2300	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	31
PID 2544 wrote to memory of 2300	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	31
PID 2544 wrote to memory of 2300	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	31
PID 2544 wrote to memory of 2300	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	31
PID 2544 wrote to memory of 2300	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	31
PID 2544 wrote to memory of 2300	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	31
PID 2544 wrote to memory of 2300	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	31
PID 2544 wrote to memory of 2300	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	31
PID 2544 wrote to memory of 2300	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	31
PID 2544 wrote to memory of 2300	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	31
PID 2544 wrote to memory of 2300	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	31
PID 2544 wrote to memory of 2300	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	31
PID 2544 wrote to memory of 2300	2544	612dd2bcb13296aa19723e0d1085706e3a871bbe9bf88eaba240715833e1cae5.exe	31

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:2544
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:1016
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2244
- 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:2300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
4f14b8a2b561a184e74cb5aafc6a4597

SHA1
8f820a63284f4a2d3fd09e11521a826baf82b21b

SHA256
779e315e4e26f9ab7758d85b61537c19de5fe7e24c83c1acb9e819cf83f65af1

SHA512
8e38a693f18faf7a611961507929e12613fea086db6bc6576169027ce1dc9cbb170118aa4d3baa49b40d7eb0ec159b4854898750b7035ad2227f8e431c02c217

Download Submit
memory/2300-24-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-32-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-5-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-12-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-15-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-48-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2300-9-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-8-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-7-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-6-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-3-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-40-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-19-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-18-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-23-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-22-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-33-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-25-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-28-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2300-17-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2544-1-0x0000000000B70000-0x0000000000CBE000-memory.dmp

Filesize
1.3MB

Download
memory/2544-0-0x0000000073C4E000-0x0000000073C4F000-memory.dmp

Filesize
4KB

Download
memory/2544-2-0x0000000073C40000-0x000000007432E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-14-0x0000000073C40000-0x000000007432E000-memory.dmp

Filesize
6.9MB

Download