remcos | 7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708

General

Target

7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708.exe
Size

2.1MB
MD5

18f67d707146fc908455ef5d16d6767f
SHA1

2f5d33f14155769ca54f4aee09d7efc2c41dcc7d
SHA256

7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708
SHA512

a06f78dc341d8f816dd3dfee5b54f82c43e6dbd212777174a9d812a9051be55b823c0f085b860e68735efd24d7bd4d01bad8b9c557551b46b740bc439dd77fef
SSDEEP

24576:3D39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYF4avnXJJjc:3p7E+QrFUBgq2Sng

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
2700	sbietrcl.exe
832	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2772	7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708.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"	7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 832	2700	sbietrcl.exe	31

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	7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708.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
2772	7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708.exe
2772	7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708.exe
2772	7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708.exe
2772	7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708.exe
2772	7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708.exe
2772	7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708.exe
2700	sbietrcl.exe
2700	sbietrcl.exe
2700	sbietrcl.exe
2700	sbietrcl.exe
2700	sbietrcl.exe
2700	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708.exe
Token: SeDebugPrivilege	2700	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
832	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2772 wrote to memory of 2700	2772	7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708.exe	30
PID 2772 wrote to memory of 2700	2772	7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708.exe	30
PID 2772 wrote to memory of 2700	2772	7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708.exe	30
PID 2772 wrote to memory of 2700	2772	7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708.exe	30
PID 2700 wrote to memory of 832	2700	sbietrcl.exe	31
PID 2700 wrote to memory of 832	2700	sbietrcl.exe	31
PID 2700 wrote to memory of 832	2700	sbietrcl.exe	31
PID 2700 wrote to memory of 832	2700	sbietrcl.exe	31
PID 2700 wrote to memory of 832	2700	sbietrcl.exe	31
PID 2700 wrote to memory of 832	2700	sbietrcl.exe	31
PID 2700 wrote to memory of 832	2700	sbietrcl.exe	31
PID 2700 wrote to memory of 832	2700	sbietrcl.exe	31
PID 2700 wrote to memory of 832	2700	sbietrcl.exe	31
PID 2700 wrote to memory of 832	2700	sbietrcl.exe	31

C:\Users\Admin\AppData\Local\Temp\7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708.exe
"C:\Users\Admin\AppData\Local\Temp\7af1c536e0fe8a4db1373de6b8005bff485084c28d36a37cb46052d41c609708.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:2772
- 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:2700
- - 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:832

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
6b977617b247d33b8e86f6c25290f1a6

SHA1
4e5ff32cce828dada728a5c1deeecfc79b72d3d5

SHA256
ade840472d2b13fa64c1b1c2c14f3b36e608de71b5ba39b49b94421ca109bbcb

SHA512
5b9b0e2b97159ba400914d213600c7b46efc52895f958ab686eb7b74b2c7e8e0f88af53d375a95a9aad873c65daf203e5328ade79797b26dab7f98f7a2f20203

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab864F.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
2.1MB

MD5
5afbd9fbd256ac425a842d9e226b8a0a

SHA1
d3ab0b738f87c5dcc66b4d8a767f3399062a4edd

SHA256
689d2209e9f889c51e14f432c7be9f8b4a159463233b79a382f04b58767877e1

SHA512
614287dfb23be41d090ae580bdea04eac3989c4031a0fd7836c3839e8151c149b2d8c5ba21635b52dac17d8c9beb44e300bfde60c9f9e8cd6bebde9db179b630

Download Submit
memory/832-63-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/832-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/832-66-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/832-67-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/832-61-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/832-68-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/832-50-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/832-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/832-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/832-71-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/832-54-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/832-56-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/832-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2700-45-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2700-44-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2700-35-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2700-34-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2700-62-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-0-0x0000000074C01000-0x0000000074C02000-memory.dmp

Filesize
4KB

Download
memory/2772-33-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-26-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-25-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-13-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-12-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-2-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-1-0x0000000074C00000-0x00000000751AB000-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