remcos | 2f0643ad28f12f80974d3fd6d0c71d9afcc770837fe50bd27eea398f7946ff92

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 1492 set thread context of 1508	1492	SC_TR126089907.exe	100

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 6 IoCs

Processes:

SC_TR126089907.exe

pid	Process
1492	SC_TR126089907.exe
1492	SC_TR126089907.exe
1492	SC_TR126089907.exe
1492	SC_TR126089907.exe
1492	SC_TR126089907.exe
1492	SC_TR126089907.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SC_TR126089907.exe

description	pid	Process
Token: SeDebugPrivilege	1492	SC_TR126089907.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

SC_TR126089907.exe

pid	Process
1508	SC_TR126089907.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

SC_TR126089907.exe

description	pid	Process	procid_target
PID 1492 wrote to memory of 5024	1492	SC_TR126089907.exe	97
PID 1492 wrote to memory of 5024	1492	SC_TR126089907.exe	97
PID 1492 wrote to memory of 5024	1492	SC_TR126089907.exe	97
PID 1492 wrote to memory of 3884	1492	SC_TR126089907.exe	98
PID 1492 wrote to memory of 3884	1492	SC_TR126089907.exe	98
PID 1492 wrote to memory of 3884	1492	SC_TR126089907.exe	98
PID 1492 wrote to memory of 1404	1492	SC_TR126089907.exe	99
PID 1492 wrote to memory of 1404	1492	SC_TR126089907.exe	99
PID 1492 wrote to memory of 1404	1492	SC_TR126089907.exe	99
PID 1492 wrote to memory of 1508	1492	SC_TR126089907.exe	100
PID 1492 wrote to memory of 1508	1492	SC_TR126089907.exe	100
PID 1492 wrote to memory of 1508	1492	SC_TR126089907.exe	100
PID 1492 wrote to memory of 1508	1492	SC_TR126089907.exe	100
PID 1492 wrote to memory of 1508	1492	SC_TR126089907.exe	100
PID 1492 wrote to memory of 1508	1492	SC_TR126089907.exe	100
PID 1492 wrote to memory of 1508	1492	SC_TR126089907.exe	100
PID 1492 wrote to memory of 1508	1492	SC_TR126089907.exe	100
PID 1492 wrote to memory of 1508	1492	SC_TR126089907.exe	100
PID 1492 wrote to memory of 1508	1492	SC_TR126089907.exe	100

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:1492
- C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe
  "C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe"
  2⤵
  PID:5024
- C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe
  "C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe"
  2⤵
  PID:3884
- C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe
  "C:\Users\Admin\AppData\Local\Temp\SC_TR126089907.exe"
  2⤵
  PID:1404
- 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:1508

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
25827d87b72a17522bfc97b4da2993b2

SHA1
eac2a9761f4ed9e41e6df80e2e73e29b985f7089

SHA256
5130d57e042b0476bd772732936264df343ba92558e9ce657f1f62edb29a0908

SHA512
974cce4e5cad08247838c3ed82616548cd86145cb4faec7d27f9aa025c1574738ecf43b28bbbd0f22198ae22e2f58144bbd292b6eddbe5c604dd37fe70c0d0ff

Download Submit
memory/1492-6-0x00000000059C0000-0x0000000005A5C000-memory.dmp

Filesize
624KB

Download
memory/1492-2-0x0000000005DB0000-0x0000000006354000-memory.dmp

Filesize
5.6MB

Download
memory/1492-3-0x0000000005730000-0x00000000057C2000-memory.dmp

Filesize
584KB

Download
memory/1492-4-0x00000000745E0000-0x0000000074D90000-memory.dmp

Filesize
7.7MB

Download
memory/1492-5-0x0000000005900000-0x000000000590A000-memory.dmp

Filesize
40KB

Download
memory/1492-20-0x00000000745E0000-0x0000000074D90000-memory.dmp

Filesize
7.7MB

Download
memory/1492-7-0x0000000005C10000-0x0000000005C28000-memory.dmp

Filesize
96KB

Download
memory/1492-8-0x00000000745EE000-0x00000000745EF000-memory.dmp

Filesize
4KB

Download
memory/1492-9-0x00000000745E0000-0x0000000074D90000-memory.dmp

Filesize
7.7MB

Download
memory/1492-10-0x00000000087D0000-0x0000000008892000-memory.dmp

Filesize
776KB

Download
memory/1492-1-0x0000000000C40000-0x0000000000D5A000-memory.dmp

Filesize
1.1MB

Download
memory/1492-0-0x00000000745EE000-0x00000000745EF000-memory.dmp

Filesize
4KB

Download
memory/1508-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-14-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-21-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-22-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-23-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-19-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/1508-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads