remcos | 9186d22215e3710701624ff6cbe64806d3d38c48797eea595bfd6715db8dae2b

Analysis

max time kernel
149s
max time network
156s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-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

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\vmsync.job	notepad.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	notepad.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 7 IoCs

pid	Process
2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe
1664	notepad.exe
1664	notepad.exe
1664	notepad.exe
1664	notepad.exe
1664	notepad.exe
1664	notepad.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1664	notepad.exe
1664	notepad.exe
1664	notepad.exe
1664	notepad.exe
1664	notepad.exe
1664	notepad.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe
3008	notepad.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 2796 wrote to memory of 1664	2796	b9fb950578a5b3c4744528ca19853523_JaffaCakes118.exe	29
PID 1664 wrote to memory of 2104	1664	notepad.exe	30
PID 1664 wrote to memory of 2104	1664	notepad.exe	30
PID 1664 wrote to memory of 2104	1664	notepad.exe	30
PID 1664 wrote to memory of 2104	1664	notepad.exe	30
PID 1664 wrote to memory of 2104	1664	notepad.exe	30
PID 1664 wrote to memory of 2104	1664	notepad.exe	30
PID 1664 wrote to memory of 2104	1664	notepad.exe	30
PID 1664 wrote to memory of 2104	1664	notepad.exe	30
PID 1664 wrote to memory of 2104	1664	notepad.exe	30
PID 1664 wrote to memory of 2104	1664	notepad.exe	30
PID 1664 wrote to memory of 2104	1664	notepad.exe	30
PID 1664 wrote to memory of 2104	1664	notepad.exe	30
PID 1664 wrote to memory of 2104	1664	notepad.exe	30
PID 1664 wrote to memory of 2456	1664	notepad.exe	31
PID 1664 wrote to memory of 2456	1664	notepad.exe	31
PID 1664 wrote to memory of 2456	1664	notepad.exe	31
PID 1664 wrote to memory of 2456	1664	notepad.exe	31
PID 1664 wrote to memory of 2456	1664	notepad.exe	31
PID 1664 wrote to memory of 2456	1664	notepad.exe	31
PID 1664 wrote to memory of 2456	1664	notepad.exe	31
PID 1664 wrote to memory of 2456	1664	notepad.exe	31
PID 1664 wrote to memory of 2456	1664	notepad.exe	31
PID 1664 wrote to memory of 2456	1664	notepad.exe	31
PID 1664 wrote to memory of 2456	1664	notepad.exe	31
PID 1664 wrote to memory of 2456	1664	notepad.exe	31
PID 1664 wrote to memory of 2456	1664	notepad.exe	31
PID 1664 wrote to memory of 1700	1664	notepad.exe	32
PID 1664 wrote to memory of 1700	1664	notepad.exe	32
PID 1664 wrote to memory of 1700	1664	notepad.exe	32
PID 1664 wrote to memory of 1700	1664	notepad.exe	32

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:2796
- C:\Windows\SysWOW64\notepad.exe
  "C:\Windows\system32\notepad.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1664
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    PID:2104
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    PID:2456
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    PID:1700
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    PID:1640
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe"
    3⤵
    PID:2328
- - C:\Windows\SysWOW64\notepad.exe
    "C:\Windows\system32\notepad.exe"
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:3008

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
4e604965452604e0b0e9917408f69cfd

SHA1
73cf90d0a9d4361bf9a34634c6cce27c1e7ba448

SHA256
afc581d398d63d28b8aa84fd3324c22402dc09691d33c95cebe53eeff9fb7fae

SHA512
1fb40183417e98bfb5f23a0ad6957e5433c0bd458d9a947346f9ba2c754bc25d80789861ad0af554e8a71172b2c99858921ba138ac5658d13f7eb24035813923

Download Submit
memory/1664-9-0x0000000000190000-0x0000000000198000-memory.dmp

Filesize
32KB

Download
memory/1664-2-0x0000000000090000-0x0000000000092000-memory.dmp

Filesize
8KB

Download
memory/1664-25-0x0000000016AD0000-0x000000001767E000-memory.dmp

Filesize
11.7MB

Download
memory/1664-12-0x0000000016AD0000-0x000000001767E000-memory.dmp

Filesize
11.7MB

Download
memory/1664-11-0x0000000076E00000-0x0000000076FA9000-memory.dmp

Filesize
1.7MB

Download
memory/2796-4-0x00000000002B0000-0x00000000002BA000-memory.dmp

Filesize
40KB

Download
memory/2796-5-0x0000000000400000-0x000000000078B000-memory.dmp

Filesize
3.5MB

Download
memory/2796-0-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2796-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2796-1-0x00000000002B0000-0x00000000002BA000-memory.dmp

Filesize
40KB

Download
memory/3008-19-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3008-20-0x0000000076E00000-0x0000000076FA9000-memory.dmp

Filesize
1.7MB

Download
memory/3008-30-0x0000000000080000-0x0000000000088000-memory.dmp

Filesize
32KB

Download
memory/3008-31-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/3008-34-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download