remcos | b3beee036a0272c7b1d6433c284ac60f8bab4c84c606bc20e11217074c44cac4

General

Target

sZQwYoxiYuZzeyN.exe
Size

876KB
MD5

33786d2e47bd4d96ec9f76c8a3404dad
SHA1

aff647e71a3218333a326fd966fdc1af02d78e95
SHA256

b6941157c26f237a27dee0d7ef4bf4e71610e96abe2111903b1d15c57c40dd7f
SHA512

803c8225f5c7f8939945f7b78f1c4e7ca5924f27f5d86c7b25fbfd32977d019ff0244c40d687bb84b92a681a993cf589c58da7f2e3f1208e669e1e6f8fe10394
SSDEEP

24576:f4Z4lJnTrzcwwR2Sk1CzTRslmIjhqWMcVcTAalVug95S:AavnS2j1C3RamMPMegAaV95S

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.220.30:2080

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-WOJOLL
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 2304 set thread context of 3020	2304	sZQwYoxiYuZzeyN.exe	31

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

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 3020	2304	sZQwYoxiYuZzeyN.exe	31
PID 2304 wrote to memory of 3020	2304	sZQwYoxiYuZzeyN.exe	31
PID 2304 wrote to memory of 3020	2304	sZQwYoxiYuZzeyN.exe	31
PID 2304 wrote to memory of 3020	2304	sZQwYoxiYuZzeyN.exe	31
PID 2304 wrote to memory of 3020	2304	sZQwYoxiYuZzeyN.exe	31
PID 2304 wrote to memory of 3020	2304	sZQwYoxiYuZzeyN.exe	31
PID 2304 wrote to memory of 3020	2304	sZQwYoxiYuZzeyN.exe	31
PID 2304 wrote to memory of 3020	2304	sZQwYoxiYuZzeyN.exe	31
PID 2304 wrote to memory of 3020	2304	sZQwYoxiYuZzeyN.exe	31
PID 2304 wrote to memory of 3020	2304	sZQwYoxiYuZzeyN.exe	31
PID 2304 wrote to memory of 3020	2304	sZQwYoxiYuZzeyN.exe	31
PID 2304 wrote to memory of 3020	2304	sZQwYoxiYuZzeyN.exe	31
PID 2304 wrote to memory of 3020	2304	sZQwYoxiYuZzeyN.exe	31

C:\Users\Admin\AppData\Local\Temp\sZQwYoxiYuZzeyN.exe
"C:\Users\Admin\AppData\Local\Temp\sZQwYoxiYuZzeyN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Users\Admin\AppData\Local\Temp\sZQwYoxiYuZzeyN.exe
  "C:\Users\Admin\AppData\Local\Temp\sZQwYoxiYuZzeyN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3020

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/2304-0-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/2304-1-0x0000000000CC0000-0x0000000000DA2000-memory.dmp

Filesize
904KB

Download
memory/2304-2-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2304-3-0x0000000005220000-0x00000000052F8000-memory.dmp

Filesize
864KB

Download
memory/2304-4-0x0000000000620000-0x0000000000630000-memory.dmp

Filesize
64KB

Download
memory/2304-5-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/2304-6-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2304-7-0x0000000005770000-0x0000000005830000-memory.dmp

Filesize
768KB

Download
memory/2304-24-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/3020-14-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-22-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-21-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-19-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-16-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-10-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3020-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-12-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-27-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-28-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-30-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-32-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3020-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

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