remcos | c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4

General

Target

c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe
Size

2.2MB
MD5

4cc37ec50a6261f3a3165bf88fd8c4c4
SHA1

471b3058cc49aad6189323676472deae6dee1170
SHA256

c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4
SHA512

99c52e6263afe7960bc59ed56a60ffa248524798338ff61010619129ad17237a9d8402f1b93fce824c9c5f23b0b39ba19db5926dd6bc31634f0c761256fd2e29
SSDEEP

24576:YD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJJjRHM:Yp7E+QrFUBgq2SnJM

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

Executes dropped EXE 2 IoCs

pid	Process
2132	sbietrcl.exe
2848	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2172	c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2132 set thread context of 2848	2132	sbietrcl.exe	32

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	c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2172	c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe
2172	c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe
2172	c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe
2172	c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe
2172	c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe
2172	c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe
2132	sbietrcl.exe
2132	sbietrcl.exe
2132	sbietrcl.exe
2132	sbietrcl.exe
2132	sbietrcl.exe
2132	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe
Token: SeDebugPrivilege	2132	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2848	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2132	2172	c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe	31
PID 2172 wrote to memory of 2132	2172	c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe	31
PID 2172 wrote to memory of 2132	2172	c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe	31
PID 2172 wrote to memory of 2132	2172	c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe	31
PID 2132 wrote to memory of 2848	2132	sbietrcl.exe	32
PID 2132 wrote to memory of 2848	2132	sbietrcl.exe	32
PID 2132 wrote to memory of 2848	2132	sbietrcl.exe	32
PID 2132 wrote to memory of 2848	2132	sbietrcl.exe	32
PID 2132 wrote to memory of 2848	2132	sbietrcl.exe	32
PID 2132 wrote to memory of 2848	2132	sbietrcl.exe	32
PID 2132 wrote to memory of 2848	2132	sbietrcl.exe	32
PID 2132 wrote to memory of 2848	2132	sbietrcl.exe	32
PID 2132 wrote to memory of 2848	2132	sbietrcl.exe	32
PID 2132 wrote to memory of 2848	2132	sbietrcl.exe	32

C:\Users\Admin\AppData\Local\Temp\c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.exe
"C:\Users\Admin\AppData\Local\Temp\c59d16493e4339aec1c817910af350618239980d4b663aa9ff3dfef9f99f6ae4.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:2172
- 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:2132
- - 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:2848

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabEC62.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
2.2MB

MD5
bc47400c3143e985a8116e1e6ddec0f6

SHA1
97eeb9328bdcb9d3e550410718a10bec64f61dde

SHA256
fbfd6435abad80d06638708316e19dabcc39ba932e161eaf863e158817a02518

SHA512
3c17b3920074d4735a678ffe98f93ec89f84c65aa5666fa2d2e14aa985b2f4c35ee581a0c4498f836b3f8d1c4a9aa8aa1ea3f19b8038e5440ae922497e4a8b6f

Download Submit
memory/2132-55-0x0000000074DE0000-0x000000007538B000-memory.dmp

Filesize
5.7MB

Download
memory/2132-39-0x0000000074DE0000-0x000000007538B000-memory.dmp

Filesize
5.7MB

Download
memory/2132-38-0x0000000074DE0000-0x000000007538B000-memory.dmp

Filesize
5.7MB

Download
memory/2132-29-0x0000000074DE0000-0x000000007538B000-memory.dmp

Filesize
5.7MB

Download
memory/2132-30-0x0000000074DE0000-0x000000007538B000-memory.dmp

Filesize
5.7MB

Download
memory/2172-0-0x0000000074DE1000-0x0000000074DE2000-memory.dmp

Filesize
4KB

Download
memory/2172-10-0x0000000074DE0000-0x000000007538B000-memory.dmp

Filesize
5.7MB

Download
memory/2172-28-0x0000000074DE0000-0x000000007538B000-memory.dmp

Filesize
5.7MB

Download
memory/2172-9-0x0000000074DE0000-0x000000007538B000-memory.dmp

Filesize
5.7MB

Download
memory/2172-1-0x0000000074DE0000-0x000000007538B000-memory.dmp

Filesize
5.7MB

Download
memory/2848-44-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2848-50-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-40-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2848-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2848-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2848-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2848-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2848-56-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2848-61-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2848-57-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2848-62-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2848-65-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads