remcos | bdc5fbb4cc07e1809b11706a29aa9ed5017c45aa69bb84b51eb73a66971ba987

General

Target

5d46f742f285d70937156f3034d5bf70N.exe
Size

915KB
MD5

5d46f742f285d70937156f3034d5bf70
SHA1

d95f0e1276cf6f0ebbcb768747bdd46764b9799a
SHA256

bdc5fbb4cc07e1809b11706a29aa9ed5017c45aa69bb84b51eb73a66971ba987
SHA512

42418beede0fd3a08add552bb7320259f32530e6912d9145961220146c94246e2d5a0b95986fd660739801270b6885452716fdadf00a50f4eb86fa7db33197df
SSDEEP

12288:IVVv9lVtHIJs8n2JzIMojUD6mrf3US1biPz/SUPhHU11dremO3aJ9GcAaLdOi+:KvTVX8CzIhBmrfM7ZPYrexKJ0cX5O

Score

10^/10

remcos remotehost discovery rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

magaji.duckdns.org:2404

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-ORKMG9
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1856 set thread context of 2756	1856	5d46f742f285d70937156f3034d5bf70N.exe	30

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	5d46f742f285d70937156f3034d5bf70N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5d46f742f285d70937156f3034d5bf70N.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2756	5d46f742f285d70937156f3034d5bf70N.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2756	1856	5d46f742f285d70937156f3034d5bf70N.exe	30
PID 1856 wrote to memory of 2756	1856	5d46f742f285d70937156f3034d5bf70N.exe	30
PID 1856 wrote to memory of 2756	1856	5d46f742f285d70937156f3034d5bf70N.exe	30
PID 1856 wrote to memory of 2756	1856	5d46f742f285d70937156f3034d5bf70N.exe	30
PID 1856 wrote to memory of 2756	1856	5d46f742f285d70937156f3034d5bf70N.exe	30
PID 1856 wrote to memory of 2756	1856	5d46f742f285d70937156f3034d5bf70N.exe	30
PID 1856 wrote to memory of 2756	1856	5d46f742f285d70937156f3034d5bf70N.exe	30
PID 1856 wrote to memory of 2756	1856	5d46f742f285d70937156f3034d5bf70N.exe	30
PID 1856 wrote to memory of 2756	1856	5d46f742f285d70937156f3034d5bf70N.exe	30
PID 1856 wrote to memory of 2756	1856	5d46f742f285d70937156f3034d5bf70N.exe	30
PID 1856 wrote to memory of 2756	1856	5d46f742f285d70937156f3034d5bf70N.exe	30
PID 1856 wrote to memory of 2756	1856	5d46f742f285d70937156f3034d5bf70N.exe	30
PID 1856 wrote to memory of 2756	1856	5d46f742f285d70937156f3034d5bf70N.exe	30

C:\Users\Admin\AppData\Local\Temp\5d46f742f285d70937156f3034d5bf70N.exe
"C:\Users\Admin\AppData\Local\Temp\5d46f742f285d70937156f3034d5bf70N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Users\Admin\AppData\Local\Temp\5d46f742f285d70937156f3034d5bf70N.exe
  "C:\Users\Admin\AppData\Local\Temp\5d46f742f285d70937156f3034d5bf70N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2756

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

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
49056299c3eef3309d93b89235b8db40

SHA1
23e18bd771b07848a3c1940c2f9169a233181038

SHA256
1a53a24552572652b6e36617b201d56dc44d711da969c92528369ff94bcad7ab

SHA512
7c338032c0c93c5a9aab782370aba81ce18cf9e92fb2ee2b479923d5b78930bb1b19713eea91017007673f24f1acd5007b297a9ca8f6ced71d38e3e72f968386

Download Submit
memory/1856-30-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/1856-1-0x0000000001090000-0x000000000117A000-memory.dmp

Filesize
936KB

Download
memory/1856-2-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/1856-3-0x0000000000B10000-0x0000000000B28000-memory.dmp

Filesize
96KB

Download
memory/1856-4-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/1856-5-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/1856-6-0x00000000059D0000-0x0000000005A90000-memory.dmp

Filesize
768KB

Download
memory/1856-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/2756-17-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-25-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-23-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-20-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-29-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-15-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-13-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-11-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-9-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-8-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-26-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-31-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-7-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-42-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-43-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-50-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-58-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download

Analysis

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