remcos | 7370a55c5064125019b2c807f85c25ccf71cbdbdd639bfce7cd507ce15e7ae39

General

Target

COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.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:

COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\HandyBackupEditorDesigner = "C:\\Users\\Admin\\Music\\HandyBackupDesignUpdater\\HandyBackupVideo.exe"	COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.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:

COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exeCOMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe

pid	Process
2916	COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe

description	pid	Process	procid_target
PID 2112 wrote to memory of 2916	2112	COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe	31
PID 2112 wrote to memory of 2916	2112	COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe	31
PID 2112 wrote to memory of 2916	2112	COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe	31
PID 2112 wrote to memory of 2916	2112	COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe	31
PID 2112 wrote to memory of 2916	2112	COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe	31
PID 2112 wrote to memory of 2916	2112	COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe	31

C:\Users\Admin\AppData\Local\Temp\COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe
"C:\Users\Admin\AppData\Local\Temp\COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe
  "C:\Users\Admin\AppData\Local\Temp\COMPROBANTE TRANSFERENCIA PROGRAMADA EXITOSA.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2916

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
e59bc42f39f78ecee390ec148a7093af

SHA1
5e234df84a2c929a1b9e3368dd355936302ae3e6

SHA256
8e95946efe1fbbecb9b651b793ad440e321ac6929c13bc2eb9d4e8a6974ff1ee

SHA512
f94219c2a579eb17e34b63065f465ed9781ce28ccf2faa7b74c6bf0e6a8c699ee9012a58788ad17638a9bc3c15b1a99f6b87599e20a6b8bcb522a8aebe29332f

Download Submit
memory/2112-1-0x000000000046D000-0x0000000000485000-memory.dmp

Filesize
96KB

Download
memory/2112-0-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/2112-2-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/2112-5-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/2112-4-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/2112-6-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/2112-14-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/2112-12-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/2916-11-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2916-25-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2916-17-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2916-21-0x0000000000400000-0x000000000083F000-memory.dmp

Filesize
4.2MB

Download
memory/2916-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2916-7-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2916-22-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2916-24-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2916-23-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2916-20-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2916-16-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2916-33-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2916-34-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2916-41-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2916-49-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2916-50-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2916-65-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2916-66-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads