remcos | 74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f

General

Target

74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f.exe
Size

1013KB
MD5

e9c0befbe98043f4a4179491187e8635
SHA1

f58ea4e73e9fb40dc450cee931fdef8170f728c9
SHA256

74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f
SHA512

f2818aacb6930012ce9e8a5dd4543980cf74c19407434909ca1214e4889f5c5a6a83c9de0fc8d087facf86b2c2a280aa7f39e27abca8ac5db6bba66f7e74578e
SSDEEP

12288:9p+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRzwAY3AzC3r:9pugRNJI1D39dlfGQrFUxwAeAzC3r

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
2020	sbietrcl.exe
2832	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2708	74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f.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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2020 set thread context of 2832	2020	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	74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f.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
2708	74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f.exe
2708	74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f.exe
2708	74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f.exe
2708	74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f.exe
2708	74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f.exe
2708	74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f.exe
2020	sbietrcl.exe
2020	sbietrcl.exe
2020	sbietrcl.exe
2020	sbietrcl.exe
2020	sbietrcl.exe
2020	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2708	74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f.exe
Token: SeDebugPrivilege	2020	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2832	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2020	2708	74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f.exe	30
PID 2708 wrote to memory of 2020	2708	74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f.exe	30
PID 2708 wrote to memory of 2020	2708	74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f.exe	30
PID 2708 wrote to memory of 2020	2708	74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f.exe	30
PID 2020 wrote to memory of 2832	2020	sbietrcl.exe	31
PID 2020 wrote to memory of 2832	2020	sbietrcl.exe	31
PID 2020 wrote to memory of 2832	2020	sbietrcl.exe	31
PID 2020 wrote to memory of 2832	2020	sbietrcl.exe	31
PID 2020 wrote to memory of 2832	2020	sbietrcl.exe	31
PID 2020 wrote to memory of 2832	2020	sbietrcl.exe	31
PID 2020 wrote to memory of 2832	2020	sbietrcl.exe	31
PID 2020 wrote to memory of 2832	2020	sbietrcl.exe	31
PID 2020 wrote to memory of 2832	2020	sbietrcl.exe	31
PID 2020 wrote to memory of 2832	2020	sbietrcl.exe	31

C:\Users\Admin\AppData\Local\Temp\74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f.exe
"C:\Users\Admin\AppData\Local\Temp\74f00395b788009acf25e23ce1859e6ab6190ed10ff7e7519b2947261406714f.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:2708
- 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:2020
- - 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:2832

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\CabBF1B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
1019KB

MD5
3639833c8ed5ce8011b966140fe974e7

SHA1
e0c774ecd60083f3038d7b12124b8eb84c3512be

SHA256
4f8b02e0970bb5096ea17d83c2eb081f6f6039621906a902be9a3b4e48002608

SHA512
c44d2ba02f9776a24f6094b699be10765ffecb4c242327934691cb28f203d68fde9d90b3b73aaf437d39f0343a4d01ff521ec7cbb17b18467120909da5949f45

Download Submit
memory/2020-51-0x0000000074EC0000-0x000000007546B000-memory.dmp

Filesize
5.7MB

Download
memory/2020-31-0x0000000074EC0000-0x000000007546B000-memory.dmp

Filesize
5.7MB

Download
memory/2020-39-0x0000000074EC0000-0x000000007546B000-memory.dmp

Filesize
5.7MB

Download
memory/2020-40-0x0000000074EC0000-0x000000007546B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-2-0x0000000074EC0000-0x000000007546B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-10-0x0000000074EC0000-0x000000007546B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-11-0x0000000074EC0000-0x000000007546B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-23-0x0000000074EC0000-0x000000007546B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-30-0x0000000074EC0000-0x000000007546B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-1-0x0000000074EC0000-0x000000007546B000-memory.dmp

Filesize
5.7MB

Download
memory/2708-0-0x0000000074EC1000-0x0000000074EC2000-memory.dmp

Filesize
4KB

Download
memory/2832-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2832-46-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-45-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2832-44-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2832-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2832-41-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2832-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2832-56-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2832-53-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2832-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2832-57-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2832-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2832-61-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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