remcos | 48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543

General

Target

48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543.exe
Size

1.5MB
MD5

a8bb2b3d9ea6cef43fd1b023d374de4b
SHA1

099988309812569af57af98437c54e840d0283b9
SHA256

48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543
SHA512

96e2ae00e65f6a256f82a3dd4fd4a89badaf262c4ed0a4333441dcc106fb877b3a9a12bad8836036f17e70408e990375fe186cf833fa197c81a1f99f761f991c
SSDEEP

24576:LD39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJdD:LF+QrFUBgq25eKDD

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
2636	sbietrcl.exe
2768	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
392	48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543.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"	48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2636 set thread context of 2768	2636	sbietrcl.exe	30

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	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
392	48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543.exe
392	48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543.exe
392	48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543.exe
392	48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543.exe
392	48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543.exe
392	48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543.exe
2636	sbietrcl.exe
2636	sbietrcl.exe
2636	sbietrcl.exe
2636	sbietrcl.exe
2636	sbietrcl.exe
2636	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	392	48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543.exe
Token: SeDebugPrivilege	2636	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2768	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 392 wrote to memory of 2636	392	48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543.exe	29
PID 392 wrote to memory of 2636	392	48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543.exe	29
PID 392 wrote to memory of 2636	392	48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543.exe	29
PID 392 wrote to memory of 2636	392	48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543.exe	29
PID 2636 wrote to memory of 2768	2636	sbietrcl.exe	30
PID 2636 wrote to memory of 2768	2636	sbietrcl.exe	30
PID 2636 wrote to memory of 2768	2636	sbietrcl.exe	30
PID 2636 wrote to memory of 2768	2636	sbietrcl.exe	30
PID 2636 wrote to memory of 2768	2636	sbietrcl.exe	30
PID 2636 wrote to memory of 2768	2636	sbietrcl.exe	30
PID 2636 wrote to memory of 2768	2636	sbietrcl.exe	30
PID 2636 wrote to memory of 2768	2636	sbietrcl.exe	30
PID 2636 wrote to memory of 2768	2636	sbietrcl.exe	30
PID 2636 wrote to memory of 2768	2636	sbietrcl.exe	30

C:\Users\Admin\AppData\Local\Temp\48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543.exe
"C:\Users\Admin\AppData\Local\Temp\48636ac6e9bd609bc8f2bbfe157084dd91acc90da6153f8a544a70a24e53a543.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:392
- 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:2636
- - 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:2768

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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
820c6318bcf98fc8ea3d48e32d68a7e8

SHA1
3d9a85379fff1f7779b64b1a9f22f2f965bcee47

SHA256
864d478c43dbfe5d744ae363d72bccef97cbc06a837af71258f55ff2b515ccba

SHA512
e131602c625221ddd57353f145484e8cc76c69b3f24b5630d35fe326e5cc8288458662547c94fe4d941cae70f440ff3232fcc205e893cacc5692e5ba96620fd8

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab5A02.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
1.5MB

MD5
8a1fbab18254b322df98b27c5887d9d7

SHA1
1e47229c960ad8a3bfa3dae7e147393605ab14df

SHA256
7c5aa31f5d52fd6e569606db43e86b9041508f5c9cd6f766140c2984b197ebd5

SHA512
309757e3ce0735c142e739ac0df306cf6448efeaa8d17b7960e6fb7a3ec6d396f7c239ed84c8f65156284bb1d64736ac2283fcc7e20e66dfe8fdec6192656dc0

Download Submit
memory/392-1-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/392-11-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/392-12-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/392-24-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/392-0-0x00000000745E1000-0x00000000745E2000-memory.dmp

Filesize
4KB

Download
memory/392-31-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2636-43-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2636-32-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2636-42-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2636-33-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2636-66-0x00000000745E0000-0x0000000074B8B000-memory.dmp

Filesize
5.7MB

Download
memory/2768-56-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-61-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-60-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-50-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-54-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-64-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-65-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-44-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2768-69-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads