remcos | d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354

General

Target

d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354N.exe
Size

1.4MB
MD5

d24fc9836a5fe7ffa3798c8ea49d9460
SHA1

1a85ac23f48b896695a8645a8818a5fc8166e541
SHA256

d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354
SHA512

f53750ddac4fb2850afb4137beea6bdb7735a2192b2ae82ca30b535021ef5c426fc23f51d500b39a529b3a0f130f1f08d523baba0654de475543fbd3920e668c
SSDEEP

24576:1D39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJOW:1F+QrFUBgq25eKwW

Score

10^/10

remcos host discovery persistence rat spyware stealer

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

213.183.58.19:4000

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
remcos.exe
copy_folder
remcos
delete_file
false
hide_file
false
hide_keylog_file
true
install_flag
false
install_path
%AppData%
keylog_crypt
true
keylog_file
read.dat
keylog_flag
false
keylog_folder
CastC
keylog_path
%AppData%
mouse_option
false
mutex
remcos_sccafsoidz
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
startup_value
remcos
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

Executes dropped EXE 2 IoCs

pid	Process
2852	sbietrcl.exe
944	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2900	d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354N.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2852 set thread context of 944	2852	sbietrcl.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2900	d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354N.exe
2900	d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354N.exe
2900	d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354N.exe
2900	d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354N.exe
2900	d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354N.exe
2900	d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354N.exe
2852	sbietrcl.exe
2852	sbietrcl.exe
2852	sbietrcl.exe
2852	sbietrcl.exe
2852	sbietrcl.exe
2852	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2900	d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354N.exe
Token: SeDebugPrivilege	2852	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
944	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 2852	2900	d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354N.exe	30
PID 2900 wrote to memory of 2852	2900	d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354N.exe	30
PID 2900 wrote to memory of 2852	2900	d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354N.exe	30
PID 2900 wrote to memory of 2852	2900	d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354N.exe	30
PID 2852 wrote to memory of 944	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 944	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 944	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 944	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 944	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 944	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 944	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 944	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 944	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 944	2852	sbietrcl.exe	31

C:\Users\Admin\AppData\Local\Temp\d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354N.exe
"C:\Users\Admin\AppData\Local\Temp\d9c9afaa00e606c9eec0e592a1382583243ed92496cd3be8df37584deeb76354N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2852
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
04b8ec3dfcfcd6610e65cd827d1b66b1

SHA1
60119f78137ff6549208e6c5fca2f63dc554b119

SHA256
cecbdb9f61bebdc0d88aa74de01fcd7bd21902627ec73c9f225e5a56e181da1a

SHA512
e5b842b5d2efe57c436aad0d469cff5ab17d7776d12a6422d738a869c1cecef77f50fd9e732dd2aae42c61c6e71f5c4224a79779c1ab0ab18edeb8edaff1b8f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabABD9.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe

Filesize
1.4MB

MD5
7b31bbd2599032e4ed49f973aaf4e83d

SHA1
b8c6c41d694e6ece2f35e53bca426d296d3332f3

SHA256
a0c5f9c91ba53a53ed59cc9f475030694c0cd18b7950d49d463097002b170905

SHA512
981561e93f32773f043b7aba4f494f76330db6ff9f332996d95fb5b111f907e427c90b6deb7e0297a93f7925da2ba40cfacd151eefaa5f20f9d6e865878b2826

Download Submit
memory/944-49-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-64-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-60-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-63-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-51-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/944-53-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/944-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2852-34-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2852-57-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2852-45-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2852-35-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2852-46-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2900-36-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2900-0-0x0000000074C61000-0x0000000074C62000-memory.dmp

Filesize
4KB

Download
memory/2900-2-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2900-33-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2900-1-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2900-13-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2900-12-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2900-26-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download
memory/2900-25-0x0000000074C60000-0x000000007520B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads