remcos | 9186d22215e3710701624ff6cbe64806d3d38c48797eea595bfd6715db8dae2b

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 02:19

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General

Target

b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe
Size

3.4MB
MD5

b9fb950578a5b3c4744528ca19853523
SHA1

0aa69cd449c65069b77d0e257a9c64d81ea07cc1
SHA256

9186d22215e3710701624ff6cbe64806d3d38c48797eea595bfd6715db8dae2b
SHA512

746ccc35f49ecfaeb212b4ababfb989aa10a72bd3bc193305ab5e6c83e577432ccc636abf8c2a7e236692dbf4f66e1d040cc69889bf0bd8bc1749c19f367e25f
SSDEEP

49152:8QDZlITvSLO8YHnS1HEIPhaJPeEtyRn+hTz:lDZlR1kIZaJPeEtRV

Score

10^/10

remcos 5852esgeshb$srhbgsef discovery rat

Malware Config

Extracted

Family

remcos

Version

3.0.0 Pro

Botnet

5852ESGESHB$SRHBGSEF

89.163.144.125:5852

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
true
keylog_file
rackless.bin
keylog_flag
false
keylog_folder
Aspero
keylog_path
%Temp%
mouse_option
false
mutex
5852ETEY$GWEFAWGW-EPZ21B
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
wikipedia;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Blocklisted process makes network request 30 IoCs

flow	pid	Process
50	2728	cmd.exe
51	2728	cmd.exe
52	2728	cmd.exe
53	2728	cmd.exe
54	2728	cmd.exe
58	2728	cmd.exe
62	2728	cmd.exe
63	2728	cmd.exe
64	2728	cmd.exe
65	2728	cmd.exe
66	2728	cmd.exe
67	2728	cmd.exe
68	2728	cmd.exe
74	2728	cmd.exe
80	2728	cmd.exe
87	2728	cmd.exe
88	2728	cmd.exe
89	2728	cmd.exe
90	2728	cmd.exe
91	2728	cmd.exe
92	2728	cmd.exe
93	2728	cmd.exe
94	2728	cmd.exe
95	2728	cmd.exe
96	2728	cmd.exe
97	2728	cmd.exe
98	2728	cmd.exe
99	2728	cmd.exe
100	2728	cmd.exe
101	2728	cmd.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\vmsync.job	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe
1552	notepad.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1552	notepad.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe
2728	cmd.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1552	4416	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\system32\notepad.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:1552
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    - Blocklisted process makes network request
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Aspero\rackless.bin

Filesize
74B

MD5
6b88a254d5a7f7bb31ea66b3b98dcaed

SHA1
12f4374785c728db449c2ba11862af8fc5502d77

SHA256
b82616e7d961344db24ad35d641b4413fc9c7b5e33a124d713f724a1da1c429d

SHA512
0d3fc8d06137354dc2ae364ddd858c944a2035432f114c1584d66f7edf2e421133c75f9e179a6e79e8ae6c8655f5db1ab7ab43883a2b195eb340dff80a0919af

Download Submit
memory/1552-11-0x00000000172B0000-0x0000000017E5E000-memory.dmp

Filesize
11.7MB

Download
memory/1552-2-0x0000000000C10000-0x0000000000C12000-memory.dmp

Filesize
8KB

Download
memory/1552-7-0x0000000000EC0000-0x0000000000EC8000-memory.dmp

Filesize
32KB

Download
memory/1552-8-0x00000000172B0000-0x0000000017E5E000-memory.dmp

Filesize
11.7MB

Download
memory/2728-10-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2728-16-0x00000000018B0000-0x00000000018B8000-memory.dmp

Filesize
32KB

Download
memory/2728-17-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/2728-20-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/4416-3-0x0000000000F30000-0x0000000000F31000-memory.dmp

Filesize
4KB

Download
memory/4416-4-0x0000000000F60000-0x0000000000F6A000-memory.dmp

Filesize
40KB

Download
memory/4416-5-0x0000000000400000-0x000000000078B000-memory.dmp

Filesize
3.5MB

Download
memory/4416-0-0x0000000000F30000-0x0000000000F31000-memory.dmp

Filesize
4KB

Download
memory/4416-1-0x0000000000F60000-0x0000000000F6A000-memory.dmp

Filesize
40KB

Download