remcos | 7d2784f37a68e93b654bb2eb0c7ef1220194f82b80e1b394c3f1d2866861286f

General

Target

7d2784f37a68e93b654bb2eb0c7ef1220194f82b80e1b394c3f1d2866861286f.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
2836	27 de Junio.exe

Loads dropped DLL 2 IoCs

pid	Process
1280	7d2784f37a68e93b654bb2eb0c7ef1220194f82b80e1b394c3f1d2866861286f.exe
1280	7d2784f37a68e93b654bb2eb0c7ef1220194f82b80e1b394c3f1d2866861286f.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\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-IN9IWC = "\"C:\\ProgramData\\27 de Junio\\27 de Junio.exe\""	7d2784f37a68e93b654bb2eb0c7ef1220194f82b80e1b394c3f1d2866861286f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-IN9IWC = "\"C:\\ProgramData\\27 de Junio\\27 de Junio.exe\""	7d2784f37a68e93b654bb2eb0c7ef1220194f82b80e1b394c3f1d2866861286f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-IN9IWC = "\"C:\\ProgramData\\27 de Junio\\27 de Junio.exe\""	27 de Junio.exe
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

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	7d2784f37a68e93b654bb2eb0c7ef1220194f82b80e1b394c3f1d2866861286f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27 de Junio.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2836	27 de Junio.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1280 wrote to memory of 2836	1280	7d2784f37a68e93b654bb2eb0c7ef1220194f82b80e1b394c3f1d2866861286f.exe	31
PID 1280 wrote to memory of 2836	1280	7d2784f37a68e93b654bb2eb0c7ef1220194f82b80e1b394c3f1d2866861286f.exe	31
PID 1280 wrote to memory of 2836	1280	7d2784f37a68e93b654bb2eb0c7ef1220194f82b80e1b394c3f1d2866861286f.exe	31
PID 1280 wrote to memory of 2836	1280	7d2784f37a68e93b654bb2eb0c7ef1220194f82b80e1b394c3f1d2866861286f.exe	31

C:\Users\Admin\AppData\Local\Temp\7d2784f37a68e93b654bb2eb0c7ef1220194f82b80e1b394c3f1d2866861286f.exe
"C:\Users\Admin\AppData\Local\Temp\7d2784f37a68e93b654bb2eb0c7ef1220194f82b80e1b394c3f1d2866861286f.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1280
- 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:2836

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\27 de Junio\27 de Junio.exe

Filesize
482KB

MD5
c00e45fe6b36f599558f546cd45d7c52

SHA1
094c1c6d8814b4d73e1aafaabf9f8506f8551fb2

SHA256
7d2784f37a68e93b654bb2eb0c7ef1220194f82b80e1b394c3f1d2866861286f

SHA512
4efae9768498f16e94802fe90e35ee1b5a7188fff4051b4cc5f0fb140ce74baff72108b2bb82908d64ecfc842aaa53cb05151e28cdcdd78de244616681524893

Download Submit
C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
006ef2d2f6e98777f4502c848e0e581d

SHA1
93beb650fa27f5975f79685bf73a14cae9586578

SHA256
56c7e0aeb93b7b53c0dd5accf47bb335f29e228c007d2e1c1f96a040b715010c

SHA512
352616503946d33ba358d1e6a24718ed2d1b905fa0f637ceba750ce48f90eb61b43ad88a15b61d24c6613214f054ace655ec5d3f6aeb60141fa00772bbe12770

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads