remcos | b0724a50f077a8652bbe0972e059aadde07ea247057e239b8b28ed720a083ae8

General

Target

SC_TR126089907.exe
Size

1.1MB
MD5

d8f15666d25a32702106b56dfd962cd6
SHA1

b680052ba6f10f87595df8e6f06065546109c9e2
SHA256

b0724a50f077a8652bbe0972e059aadde07ea247057e239b8b28ed720a083ae8
SHA512

0bda9df65f34d05ff4448783bd0c747631621bdea98d716f3b3fb77f6b05784efd4aa67cf55e60e966375e2590df7bb30f4651865345f0995f50fcad31458f8b
SSDEEP

24576:e2xjcLCnYnIXrbmcfjyTinYxorzPMFZYXX+Wjj8GLgv:lZnYIXrbFm6YSzPwYXX+G4GL

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

yayabeloo.duckdns.org:6847

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-VPA6N9
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

Processes:

SC_TR126089907.exe

description	pid	Process	procid_target
PID 4224 set thread context of 1084	4224	SC_TR126089907.exe	97

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

Processes:

SC_TR126089907.exeSC_TR126089907.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SC_TR126089907.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SC_TR126089907.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

SC_TR126089907.exe

pid	Process
4224	SC_TR126089907.exe
4224	SC_TR126089907.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SC_TR126089907.exe

description	pid	Process
Token: SeDebugPrivilege	4224	SC_TR126089907.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

SC_TR126089907.exe

pid	Process
1084	SC_TR126089907.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

SC_TR126089907.exe

description	pid	Process	procid_target
PID 4224 wrote to memory of 4884	4224	SC_TR126089907.exe	96
PID 4224 wrote to memory of 4884	4224	SC_TR126089907.exe	96
PID 4224 wrote to memory of 4884	4224	SC_TR126089907.exe	96
PID 4224 wrote to memory of 1084	4224	SC_TR126089907.exe	97
PID 4224 wrote to memory of 1084	4224	SC_TR126089907.exe	97
PID 4224 wrote to memory of 1084	4224	SC_TR126089907.exe	97
PID 4224 wrote to memory of 1084	4224	SC_TR126089907.exe	97
PID 4224 wrote to memory of 1084	4224	SC_TR126089907.exe	97
PID 4224 wrote to memory of 1084	4224	SC_TR126089907.exe	97
PID 4224 wrote to memory of 1084	4224	SC_TR126089907.exe	97
PID 4224 wrote to memory of 1084	4224	SC_TR126089907.exe	97
PID 4224 wrote to memory of 1084	4224	SC_TR126089907.exe	97
PID 4224 wrote to memory of 1084	4224	SC_TR126089907.exe	97

C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe
"C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4224
- C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe
  "C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe"
  2⤵
  PID:4884
- C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe
  "C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1084

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

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
0aee946a891e342fa9b03ab24fae04cb

SHA1
33dc299f61ba69f07bc107d9e446f998cbf8de72

SHA256
471f928bce5dfec6e57f15f25e009812532d0682aaec1f8f62d39b7ad8cc07de

SHA512
cab9233ebb0823590cdd8cfb4d427c40061b84972d3ca67c2cb16cecdc9238377c901f24512a88a4d91a54685ea1fe8861e184d115dff173ef1740cb873b608b

Download Submit
memory/1084-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1084-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4224-7-0x00000000050E0000-0x00000000050F8000-memory.dmp

Filesize
96KB

Download
memory/4224-10-0x0000000007E30000-0x0000000007EF2000-memory.dmp

Filesize
776KB

Download
memory/4224-2-0x0000000005310000-0x00000000058B4000-memory.dmp

Filesize
5.6MB

Download
memory/4224-0-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/4224-9-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4224-1-0x0000000000370000-0x000000000048A000-memory.dmp

Filesize
1.1MB

Download
memory/4224-8-0x00000000744AE000-0x00000000744AF000-memory.dmp

Filesize
4KB

Download
memory/4224-6-0x0000000005030000-0x00000000050CC000-memory.dmp

Filesize
624KB

Download
memory/4224-5-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download
memory/4224-4-0x0000000004D40000-0x0000000004D4A000-memory.dmp

Filesize
40KB

Download
memory/4224-3-0x0000000004D60000-0x0000000004DF2000-memory.dmp

Filesize
584KB

Download
memory/4224-20-0x00000000744A0000-0x0000000074C50000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads