remcos | 47c4b61d6b83792b9ace018c553ba3db14dc063464a85495a2013eef17e7372e

General

Target

CERTIFICADO DE DEPOSITO JUDICIAL.exe
Size

4.2MB
MD5

92d332649b2988f19343cc654634813a
SHA1

35633a70e00bb9ddad433276c0d4c85ecd6e3974
SHA256

1cb11f58b364c6049d87ce1064472d9e0f6c47455e0b42454cfc9d48c24493dd
SHA512

9e59623193253b212af34fa84b69f237d8de84221706ebcab0a6af195c2ec2b7bc4ee4a2f287fdb67e1d51bbbe7ce813cdb1f36d93216ca875b1b5c2081c4e51
SSDEEP

49152:LR28UtN5sFpdJE2dNzk6YUiKYCuOpHoG4HLL0ibq59dXuzLvo4wA83W7JSfaTIF6:3o0A2fDl2hOpHoxrYibq9I

Score

10^/10

remcos dns discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

DNS

C2

LUNAPETRO.chickenkiller.com:1991

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-QPU8J1
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

CERTIFICADO DE DEPOSITO JUDICIAL.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HandyBackupEditorDesigner = "C:\\Users\\Admin\\Music\\HandyBackupDesignUpdater\\HandyBackupVideo.exe"	CERTIFICADO DE DEPOSITO JUDICIAL.exe

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:

CERTIFICADO DE DEPOSITO JUDICIAL.exeCERTIFICADO DE DEPOSITO JUDICIAL.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CERTIFICADO DE DEPOSITO JUDICIAL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CERTIFICADO DE DEPOSITO JUDICIAL.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

CERTIFICADO DE DEPOSITO JUDICIAL.exe

pid	Process
3284	CERTIFICADO DE DEPOSITO JUDICIAL.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

CERTIFICADO DE DEPOSITO JUDICIAL.exe

description	pid	Process	procid_target
PID 4260 wrote to memory of 3284	4260	CERTIFICADO DE DEPOSITO JUDICIAL.exe	93
PID 4260 wrote to memory of 3284	4260	CERTIFICADO DE DEPOSITO JUDICIAL.exe	93
PID 4260 wrote to memory of 3284	4260	CERTIFICADO DE DEPOSITO JUDICIAL.exe	93
PID 4260 wrote to memory of 3284	4260	CERTIFICADO DE DEPOSITO JUDICIAL.exe	93
PID 4260 wrote to memory of 3284	4260	CERTIFICADO DE DEPOSITO JUDICIAL.exe	93

C:\Users\Admin\AppData\Local\Temp\CERTIFICADO DE DEPOSITO JUDICIAL.exe
"C:\Users\Admin\AppData\Local\Temp\CERTIFICADO DE DEPOSITO JUDICIAL.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4260
- C:\Users\Admin\AppData\Local\Temp\CERTIFICADO DE DEPOSITO JUDICIAL.exe
  "C:\Users\Admin\AppData\Local\Temp\CERTIFICADO DE DEPOSITO JUDICIAL.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3284

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 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
97a6cfdbd75de848d65800030865969f

SHA1
ece08cd8db610aa93572318ec4a075f86b757d02

SHA256
7cc8e2b3a60411414e6866827b911825c519c79bf497393bc98e818cb4ec4705

SHA512
9d12e8bacff84517ac2056497258f865541c04071f27cd0a21ad4701b1e1358ef45a013b8b6f220c9de5be146c584e44d4aa4d48f893d1fdc242820523d5a3a0

Download Submit
memory/3284-11-0x0000000000840000-0x00000000008BF000-memory.dmp

Filesize
508KB

Download
memory/3284-62-0x0000000000840000-0x00000000008BF000-memory.dmp

Filesize
508KB

Download
memory/3284-17-0x0000000000840000-0x00000000008BF000-memory.dmp

Filesize
508KB

Download
memory/3284-18-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/3284-12-0x0000000000840000-0x00000000008BF000-memory.dmp

Filesize
508KB

Download
memory/3284-13-0x0000000000840000-0x00000000008BF000-memory.dmp

Filesize
508KB

Download
memory/3284-61-0x0000000000840000-0x00000000008BF000-memory.dmp

Filesize
508KB

Download
memory/3284-7-0x0000000000840000-0x00000000008BF000-memory.dmp

Filesize
508KB

Download
memory/3284-46-0x0000000000840000-0x00000000008BF000-memory.dmp

Filesize
508KB

Download
memory/3284-45-0x0000000000840000-0x00000000008BF000-memory.dmp

Filesize
508KB

Download
memory/3284-38-0x0000000000840000-0x00000000008BF000-memory.dmp

Filesize
508KB

Download
memory/3284-16-0x0000000000840000-0x00000000008BF000-memory.dmp

Filesize
508KB

Download
memory/3284-19-0x0000000000840000-0x00000000008BF000-memory.dmp

Filesize
508KB

Download
memory/3284-30-0x0000000000840000-0x00000000008BF000-memory.dmp

Filesize
508KB

Download
memory/3284-37-0x0000000000840000-0x00000000008BF000-memory.dmp

Filesize
508KB

Download
memory/3284-20-0x0000000000840000-0x00000000008BF000-memory.dmp

Filesize
508KB

Download
memory/3284-21-0x0000000000840000-0x00000000008BF000-memory.dmp

Filesize
508KB

Download
memory/3284-29-0x0000000000840000-0x00000000008BF000-memory.dmp

Filesize
508KB

Download
memory/4260-24-0x000000000046D000-0x0000000000485000-memory.dmp

Filesize
96KB

Download
memory/4260-4-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/4260-3-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/4260-10-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/4260-1-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/4260-5-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/4260-6-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/4260-0-0x000000000046D000-0x0000000000485000-memory.dmp

Filesize
96KB

Download
memory/4260-8-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads