remcos | 18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9

General

Target

18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9.exe
Size

2.3MB
MD5

329ae5cbe461e97d9ff4b20a0147ff55
SHA1

bf8bf68d19980d63a779c1377a96459068d2940a
SHA256

18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9
SHA512

68b801614d9f78ba28676a906601610d0a9d62dbd529d0567f6b0f28aa2ee7e96428009c0c925a7af13b312be7e50257da2259a0e4f8f4efbd66d526692bd9b0
SSDEEP

24576:pD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF49rO/B:pp7E+QrFUBgq2m

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
2788	sbietrcl.exe
2952	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2548	18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2788 set thread context of 2952	2788	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	18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9.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
2548	18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9.exe
2548	18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9.exe
2548	18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9.exe
2548	18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9.exe
2548	18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9.exe
2548	18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9.exe
2788	sbietrcl.exe
2788	sbietrcl.exe
2788	sbietrcl.exe
2788	sbietrcl.exe
2788	sbietrcl.exe
2788	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9.exe
Token: SeDebugPrivilege	2788	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2952	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2788	2548	18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9.exe	31
PID 2548 wrote to memory of 2788	2548	18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9.exe	31
PID 2548 wrote to memory of 2788	2548	18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9.exe	31
PID 2548 wrote to memory of 2788	2548	18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9.exe	31
PID 2788 wrote to memory of 2952	2788	sbietrcl.exe	32
PID 2788 wrote to memory of 2952	2788	sbietrcl.exe	32
PID 2788 wrote to memory of 2952	2788	sbietrcl.exe	32
PID 2788 wrote to memory of 2952	2788	sbietrcl.exe	32
PID 2788 wrote to memory of 2952	2788	sbietrcl.exe	32
PID 2788 wrote to memory of 2952	2788	sbietrcl.exe	32
PID 2788 wrote to memory of 2952	2788	sbietrcl.exe	32
PID 2788 wrote to memory of 2952	2788	sbietrcl.exe	32
PID 2788 wrote to memory of 2952	2788	sbietrcl.exe	32
PID 2788 wrote to memory of 2952	2788	sbietrcl.exe	32

C:\Users\Admin\AppData\Local\Temp\18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9.exe
"C:\Users\Admin\AppData\Local\Temp\18a284f9269def1de29b66d8c26b53ea361c286cd4a2e981ea0cd53032a620a9.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:2548
- 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:2788
- - 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:2952

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\CabD163.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
2.3MB

MD5
4658c5566ebb6e98b9adf017a54481a1

SHA1
2a45e1b062ba4a0dbe8e2a5dbf53164613604673

SHA256
ec3deb5c94275194c6313674a2b843eccba09d4233bab512076de2d46e0848ef

SHA512
849aeae1dc643ff63f2c917e6c9ed5adc190aa4b06c69f08035b5af02fea9d9dcb2ddd65d135f4258d0d76e7b1974781c2b5c313641aca83baf52663f3fa85b8

Download Submit
memory/2548-0-0x0000000074DD1000-0x0000000074DD2000-memory.dmp

Filesize
4KB

Download
memory/2548-1-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2548-9-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2548-10-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2548-28-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-29-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-30-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-38-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-39-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-60-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2952-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2952-50-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2952-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2952-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2952-44-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2952-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2952-56-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2952-40-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2952-61-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2952-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2952-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2952-62-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2952-65-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads