remcos | c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee

General

Target

c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee.exe
Size

1007KB
MD5

9ff5ddda0a7d217532a2eb90cd4d225a
SHA1

b44daaaa318897d6239412308a3aecad6a564316
SHA256

c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee
SHA512

49e6aab1b93f7897018f4d3f3eaf21b614233368453b77a7c2ec0765a5463c366476f8096ca0b11bcff82731ddf268d67ea08409e68a7cdc58cdf9b82b50586d
SSDEEP

12288:Gp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRzwAY3AzC31:GpugRNJI1D39dlfGQrFUxwAeAzC31

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
2756	sbietrcl.exe
2680	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2376	c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 2680	2756	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	c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee.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
2376	c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee.exe
2376	c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee.exe
2376	c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee.exe
2376	c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee.exe
2376	c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee.exe
2376	c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee.exe
2756	sbietrcl.exe
2756	sbietrcl.exe
2756	sbietrcl.exe
2756	sbietrcl.exe
2756	sbietrcl.exe
2756	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee.exe
Token: SeDebugPrivilege	2756	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2680	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2756	2376	c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee.exe	31
PID 2376 wrote to memory of 2756	2376	c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee.exe	31
PID 2376 wrote to memory of 2756	2376	c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee.exe	31
PID 2376 wrote to memory of 2756	2376	c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee.exe	31
PID 2756 wrote to memory of 2680	2756	sbietrcl.exe	32
PID 2756 wrote to memory of 2680	2756	sbietrcl.exe	32
PID 2756 wrote to memory of 2680	2756	sbietrcl.exe	32
PID 2756 wrote to memory of 2680	2756	sbietrcl.exe	32
PID 2756 wrote to memory of 2680	2756	sbietrcl.exe	32
PID 2756 wrote to memory of 2680	2756	sbietrcl.exe	32
PID 2756 wrote to memory of 2680	2756	sbietrcl.exe	32
PID 2756 wrote to memory of 2680	2756	sbietrcl.exe	32
PID 2756 wrote to memory of 2680	2756	sbietrcl.exe	32
PID 2756 wrote to memory of 2680	2756	sbietrcl.exe	32

C:\Users\Admin\AppData\Local\Temp\c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee.exe
"C:\Users\Admin\AppData\Local\Temp\c1cc4223b12a814a2d19675c084249c04100240f27991e48853c7e20ef31efee.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:2376
- 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:2756
- - 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:2680

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\CabCD4D.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
1012KB

MD5
61332d9be6ba46d1fdfebe48876b9cd7

SHA1
20c9b883cfa9f7edd3e1761bbb2d52916d3adc6d

SHA256
8fd8c0b636f2d2c3917b86feab08a12238ffaa1f58d3983ec3760ea5417f362c

SHA512
a61ddf717e797828cc7269520bdaa45492012ca8cc3ebdcea230396a3f52ac706579cefe95d98d6c0851d41e1b622e55ec47889481869bb9e5e56e86fe6720ed

Download Submit
memory/2376-1-0x0000000074D40000-0x00000000752EB000-memory.dmp

Filesize
5.7MB

Download
memory/2376-9-0x0000000074D40000-0x00000000752EB000-memory.dmp

Filesize
5.7MB

Download
memory/2376-10-0x0000000074D40000-0x00000000752EB000-memory.dmp

Filesize
5.7MB

Download
memory/2376-26-0x0000000074D40000-0x00000000752EB000-memory.dmp

Filesize
5.7MB

Download
memory/2376-0-0x0000000074D41000-0x0000000074D42000-memory.dmp

Filesize
4KB

Download
memory/2680-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2680-41-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2680-64-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2680-39-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2680-51-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2680-49-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2680-45-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2680-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2680-61-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2680-56-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2680-54-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2680-60-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2756-55-0x0000000074D40000-0x00000000752EB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-29-0x0000000074D40000-0x00000000752EB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-30-0x0000000074D40000-0x00000000752EB000-memory.dmp

Filesize
5.7MB

Download
memory/2756-38-0x0000000074D40000-0x00000000752EB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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