remcos | e29d9a6f02d0edfaa7ac6ebe6bf98d26c5f782ac5d4151d44110615221939d14

General

Target

PAGO NO 8976584357898765431324567897654321356789.exe
Size

5.0MB
MD5

c3d2fd23d6fa4ed900ac6e461f052378
SHA1

a7354d81c775342f305ff8392cd6c55942678ffd
SHA256

f2002467bcfe1a5425461a16eac5e65844615f5ac03a9460f58a7afe470340cd
SHA512

d2932644d289de0b37877b35fb3a8fe4f5d1b6ea383fa9b9bc9a4f3d80b552ab4dbf2a457434c41b0cb36535572cacb79a8a8253571ec4bb0601ec5095dcb210
SSDEEP

98304:y/k9oQSzllDi8miotam56KNGiomHbJd5ML+wa6Qvi3nQiIh:yfQSzDDi8miotam56KNh7JaQ6Aig

Score

10^/10

remcos voltarger discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

Voltarger

C2

dfgdfghghfhfh.con-ip.com:1665

Attributes

audio_folder
MicRecords
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-I3REIW
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HxdDesignerEditor = "C:\\Users\\Admin\\Music\\HxdDesignerUpdater\\HxdVideo.exe"	PAGO NO 8976584357898765431324567897654321356789.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PAGO NO 8976584357898765431324567897654321356789.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PAGO NO 8976584357898765431324567897654321356789.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3300	PAGO NO 8976584357898765431324567897654321356789.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 3300	1760	PAGO NO 8976584357898765431324567897654321356789.exe	88
PID 1760 wrote to memory of 3300	1760	PAGO NO 8976584357898765431324567897654321356789.exe	88
PID 1760 wrote to memory of 3300	1760	PAGO NO 8976584357898765431324567897654321356789.exe	88
PID 1760 wrote to memory of 3300	1760	PAGO NO 8976584357898765431324567897654321356789.exe	88
PID 1760 wrote to memory of 3300	1760	PAGO NO 8976584357898765431324567897654321356789.exe	88

C:\Users\Admin\AppData\Local\Temp\PAGO NO 8976584357898765431324567897654321356789.exe
"C:\Users\Admin\AppData\Local\Temp\PAGO NO 8976584357898765431324567897654321356789.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Users\Admin\AppData\Local\Temp\PAGO NO 8976584357898765431324567897654321356789.exe
  "C:\Users\Admin\AppData\Local\Temp\PAGO NO 8976584357898765431324567897654321356789.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3300

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
7d0b128a9c3635ac6bad6cac02903d09

SHA1
b89f5202aae361b44629f8fd2bd12cf91de6a5e4

SHA256
055ad55ef2ea55c6688b84ac9bd2113c2b56806c82c643fd03d6e7929b6db3be

SHA512
20b4d859d9fd0bfdd72a689d369fe775b46c79a4f8cf0b506cef8a4641f72fe1796fd6fb40211bf218ccad6d220b0e82d8694d4a5124d45977edefc4390d49bf

Download Submit
memory/1760-0-0x0000000000400000-0x0000000000968000-memory.dmp

Filesize
5.4MB

Download
memory/1760-1-0x0000000000400000-0x0000000000968000-memory.dmp

Filesize
5.4MB

Download
memory/1760-2-0x0000000000513000-0x000000000052C000-memory.dmp

Filesize
100KB

Download
memory/1760-3-0x0000000000400000-0x0000000000968000-memory.dmp

Filesize
5.4MB

Download
memory/1760-6-0x0000000000400000-0x0000000000968000-memory.dmp

Filesize
5.4MB

Download
memory/1760-5-0x0000000000400000-0x0000000000968000-memory.dmp

Filesize
5.4MB

Download
memory/1760-10-0x0000000000400000-0x0000000000968000-memory.dmp

Filesize
5.4MB

Download
memory/1760-9-0x0000000000400000-0x0000000000968000-memory.dmp

Filesize
5.4MB

Download
memory/1760-7-0x0000000000400000-0x0000000000968000-memory.dmp

Filesize
5.4MB

Download
memory/1760-25-0x0000000000513000-0x000000000052C000-memory.dmp

Filesize
100KB

Download
memory/3300-17-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-8-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-12-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-16-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-18-0x0000000000400000-0x0000000000968000-memory.dmp

Filesize
5.4MB

Download
memory/3300-19-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-20-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-21-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-11-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-13-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-31-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-32-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-39-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-40-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-47-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-48-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-55-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-56-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-63-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download
memory/3300-64-0x0000000000970000-0x00000000009F2000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads