remcos | 7d2784f37a68e93b654bb2eb0c7ef1220194f82b80e1b394c3f1d2866861286f

General

Target

C00E45FE6B36F599558F546CD45D7C52.exe
Size

482KB
MD5

c00e45fe6b36f599558f546cd45d7c52
SHA1

094c1c6d8814b4d73e1aafaabf9f8506f8551fb2
SHA256

7d2784f37a68e93b654bb2eb0c7ef1220194f82b80e1b394c3f1d2866861286f
SHA512

4efae9768498f16e94802fe90e35ee1b5a7188fff4051b4cc5f0fb140ce74baff72108b2bb82908d64ecfc842aaa53cb05151e28cdcdd78de244616681524893
SSDEEP

6144:dXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZ5AXIcN+5Gv:dX7tPMK8ctGe4Dzl4h2QnuPs/Z5vcv

Score

10^/10

remcos 27 de junio discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

27 de Junio

C2

colombiaeslibre9889.dynuddns.com:8997

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
27 de Junio.exe
copy_folder
27 de Junio
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
true
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-IN9IWC
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

Executes dropped EXE 1 IoCs

pid	Process
2360	27 de Junio.exe

Loads dropped DLL 2 IoCs

pid	Process
624	C00E45FE6B36F599558F546CD45D7C52.exe
624	C00E45FE6B36F599558F546CD45D7C52.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-IN9IWC = "\"C:\\ProgramData\\27 de Junio\\27 de Junio.exe\""	27 de Junio.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-IN9IWC = "\"C:\\ProgramData\\27 de Junio\\27 de Junio.exe\""	C00E45FE6B36F599558F546CD45D7C52.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-IN9IWC = "\"C:\\ProgramData\\27 de Junio\\27 de Junio.exe\""	C00E45FE6B36F599558F546CD45D7C52.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-IN9IWC = "\"C:\\ProgramData\\27 de Junio\\27 de Junio.exe\""	27 de Junio.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	C00E45FE6B36F599558F546CD45D7C52.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27 de Junio.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2360	27 de Junio.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 624 wrote to memory of 2360	624	C00E45FE6B36F599558F546CD45D7C52.exe	30
PID 624 wrote to memory of 2360	624	C00E45FE6B36F599558F546CD45D7C52.exe	30
PID 624 wrote to memory of 2360	624	C00E45FE6B36F599558F546CD45D7C52.exe	30
PID 624 wrote to memory of 2360	624	C00E45FE6B36F599558F546CD45D7C52.exe	30

C:\Users\Admin\AppData\Local\Temp\C00E45FE6B36F599558F546CD45D7C52.exe
"C:\Users\Admin\AppData\Local\Temp\C00E45FE6B36F599558F546CD45D7C52.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:624
- C:\ProgramData\27 de Junio\27 de Junio.exe
  "C:\ProgramData\27 de Junio\27 de Junio.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

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
e108b91aa1c2fbc2205edcb963820716

SHA1
2af2481b5efe7d8e59def184d7b0e346a61c8b8a

SHA256
e909abf19c659ce712cdc6043cf47ae33a72f890cc488925449e775489a469f8

SHA512
8533ce93fb5857538da07ed64b362181679676bfb29bd8464d9dd13fe9845a9919417798165be505c05cfcf1dce20a96df0a295517770b0f5d18f3d9260209f7

Download Submit
\ProgramData\27 de Junio\27 de Junio.exe

Filesize
482KB

MD5
c00e45fe6b36f599558f546cd45d7c52

SHA1
094c1c6d8814b4d73e1aafaabf9f8506f8551fb2

SHA256
7d2784f37a68e93b654bb2eb0c7ef1220194f82b80e1b394c3f1d2866861286f

SHA512
4efae9768498f16e94802fe90e35ee1b5a7188fff4051b4cc5f0fb140ce74baff72108b2bb82908d64ecfc842aaa53cb05151e28cdcdd78de244616681524893

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads