remcos | e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124

General

Target

e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124.exe
Size

1.5MB
MD5

8c68c01c09f7f8542589548aca1ea076
SHA1

7765c552d6f99d6b04f617af17e59cea4a59585d
SHA256

e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124
SHA512

2b66082b5ceef9399011e34750185606652f8d2a3166719d582326db682d0807ce698986d2c8047d78b76527a16e387d6f783b19afb04b02cf3df59696aaa1a0
SSDEEP

24576:ID39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJBk:IF+QrFUBgq25eKbk

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
2764	sbietrcl.exe
2628	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
1732	e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2628	2764	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	e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
1732	e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124.exe
1732	e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124.exe
1732	e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124.exe
1732	e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124.exe
1732	e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124.exe
1732	e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124.exe
2764	sbietrcl.exe
2764	sbietrcl.exe
2764	sbietrcl.exe
2764	sbietrcl.exe
2764	sbietrcl.exe
2764	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1732	e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124.exe
Token: SeDebugPrivilege	2764	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2628	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2764	1732	e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124.exe	31
PID 1732 wrote to memory of 2764	1732	e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124.exe	31
PID 1732 wrote to memory of 2764	1732	e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124.exe	31
PID 1732 wrote to memory of 2764	1732	e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124.exe	31
PID 2764 wrote to memory of 2628	2764	sbietrcl.exe	32
PID 2764 wrote to memory of 2628	2764	sbietrcl.exe	32
PID 2764 wrote to memory of 2628	2764	sbietrcl.exe	32
PID 2764 wrote to memory of 2628	2764	sbietrcl.exe	32
PID 2764 wrote to memory of 2628	2764	sbietrcl.exe	32
PID 2764 wrote to memory of 2628	2764	sbietrcl.exe	32
PID 2764 wrote to memory of 2628	2764	sbietrcl.exe	32
PID 2764 wrote to memory of 2628	2764	sbietrcl.exe	32
PID 2764 wrote to memory of 2628	2764	sbietrcl.exe	32
PID 2764 wrote to memory of 2628	2764	sbietrcl.exe	32

C:\Users\Admin\AppData\Local\Temp\e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124.exe
"C:\Users\Admin\AppData\Local\Temp\e7e1894e1d0f29a19852739fff0eb940c8943166f6dd8ec9686c05fe7f440124.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:1732
- 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:2764
- - 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:2628

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\CabDCC8.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
1.5MB

MD5
5e1bbc259a76b7b9ff631773a1ca8388

SHA1
df50ad4787c9515daab5f4ef386a6598e262cf22

SHA256
e31510c2ca8bdf75f965dce124a97ccd5625331a649512be076aede278df450c

SHA512
0f1d8fdc3bfe828e2e4c134cbb292b0139fef1232ce652ef9db87bde97fbf25d5e144c9f202995b27164a481c1c771f6e97c2390b6db465b3aac0d209123b6a0

Download Submit
memory/1732-1-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/1732-2-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/1732-10-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/1732-11-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/1732-23-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/1732-0-0x0000000074231000-0x0000000074232000-memory.dmp

Filesize
4KB

Download
memory/1732-30-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/2628-50-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2628-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2628-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2628-65-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2628-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2628-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2628-44-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2628-62-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2628-40-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2628-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2628-60-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2628-61-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2628-57-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2764-56-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/2764-39-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download
memory/2764-31-0x0000000074230000-0x00000000747DB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads