remcos | db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b

General

Target

db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe
Size

1.1MB
MD5

a290d7cec1d2cd6544fa0e315d5e518e
SHA1

e122b7be973e6b69862ff1cca3f4870655e97e02
SHA256

db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b
SHA512

583696f95ef1a827b5e540bf12343912c00cd2fae6135aace6800a601878644bf419303bac0a45d796e3d4655708f4d273637ff8492704a9866d75ce88c17d6e
SSDEEP

24576:/q0qwHvmNKfrhP6W6qh+AasOkie2QBudJ9WamSL:/qqmYfrQWdh3CkvXYdJ9o

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.220.30:8080

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-SF7E52
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3224 set thread context of 1268	3224	db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe	97

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	db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3224 wrote to memory of 1268	3224	db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe	97
PID 3224 wrote to memory of 1268	3224	db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe	97
PID 3224 wrote to memory of 1268	3224	db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe	97
PID 3224 wrote to memory of 1268	3224	db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe	97
PID 3224 wrote to memory of 1268	3224	db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe	97
PID 3224 wrote to memory of 1268	3224	db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe	97
PID 3224 wrote to memory of 1268	3224	db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe	97
PID 3224 wrote to memory of 1268	3224	db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe	97
PID 3224 wrote to memory of 1268	3224	db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe	97
PID 3224 wrote to memory of 1268	3224	db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe	97
PID 3224 wrote to memory of 1268	3224	db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe	97
PID 3224 wrote to memory of 1268	3224	db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe	97

C:\Users\Admin\AppData\Local\Temp\db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe
"C:\Users\Admin\AppData\Local\Temp\db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3224
- C:\Users\Admin\AppData\Local\Temp\db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe
  "C:\Users\Admin\AppData\Local\Temp\db404ec3f27d0e9173f55db560ff6777560226f3a52bfde901897f637a24d89b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1268-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-24-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/1268-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3224-18-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3224-1-0x00000000007E0000-0x00000000008FC000-memory.dmp

Filesize
1.1MB

Download
memory/3224-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/3224-2-0x0000000005760000-0x0000000005D04000-memory.dmp

Filesize
5.6MB

Download
memory/3224-10-0x000000000AAC0000-0x000000000AB80000-memory.dmp

Filesize
768KB

Download
memory/3224-9-0x0000000006490000-0x00000000064AC000-memory.dmp

Filesize
112KB

Download
memory/3224-8-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3224-7-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/3224-6-0x0000000005460000-0x00000000054FC000-memory.dmp

Filesize
624KB

Download
memory/3224-5-0x0000000005350000-0x000000000535A000-memory.dmp

Filesize
40KB

Download
memory/3224-4-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3224-3-0x00000000051B0000-0x0000000005242000-memory.dmp

Filesize
584KB

Download

Analysis

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