remcos | 938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb

General

Target

938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb.exe
Size

1004KB
MD5

7b7ba5ba43ad5c8a80c3314ae5544de9
SHA1

431292ede5d380f37e37d8b6a5e2cc139cf65626
SHA256

938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb
SHA512

cc51fbc4553b2461aa0355fc71093ded5c0b09c1e6266d9a762df2045943da3579b93928547efd3d4ba18352b2e70a10ce8f67d173944f16480953136e23a5b4
SSDEEP

12288:hp+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRzwAY3AzCO:hpugRNJI1D39dlfGQrFUxwAeAzCO

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
2676	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
2848	938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb.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"	938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2636 set thread context of 2676	2636	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	938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb.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
2848	938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb.exe
2848	938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb.exe
2848	938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb.exe
2848	938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb.exe
2848	938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb.exe
2848	938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb.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	2848	938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb.exe
Token: SeDebugPrivilege	2636	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2676	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2636	2848	938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb.exe	30
PID 2848 wrote to memory of 2636	2848	938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb.exe	30
PID 2848 wrote to memory of 2636	2848	938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb.exe	30
PID 2848 wrote to memory of 2636	2848	938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb.exe	30
PID 2636 wrote to memory of 2676	2636	sbietrcl.exe	31
PID 2636 wrote to memory of 2676	2636	sbietrcl.exe	31
PID 2636 wrote to memory of 2676	2636	sbietrcl.exe	31
PID 2636 wrote to memory of 2676	2636	sbietrcl.exe	31
PID 2636 wrote to memory of 2676	2636	sbietrcl.exe	31
PID 2636 wrote to memory of 2676	2636	sbietrcl.exe	31
PID 2636 wrote to memory of 2676	2636	sbietrcl.exe	31
PID 2636 wrote to memory of 2676	2636	sbietrcl.exe	31
PID 2636 wrote to memory of 2676	2636	sbietrcl.exe	31
PID 2636 wrote to memory of 2676	2636	sbietrcl.exe	31

C:\Users\Admin\AppData\Local\Temp\938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb.exe
"C:\Users\Admin\AppData\Local\Temp\938f7701486c58227b61647b0f34fdaab18fa981ac621d45b7101a14116501fb.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:2848
- 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:2676

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
93a1586908325527f56e5e5278a1e976

SHA1
58ad7d17e60954a44b5730e58c8e31e1f28467f2

SHA256
b662c08cf33b54a0bdcd6b35c57acf11a6cee74a9fe6d2c1218f4ad57586786d

SHA512
6111574ea6c6dcaddb690d21121a92fee760e3da03c3a90985ab2c6fde6c445caa4c77dd5cae49597a554e25d80dc77a4d64052a485a4c5101fbef4bad293ad0

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab5792.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
1010KB

MD5
c30412c4134a2cb9898a07f65d459a2d

SHA1
d7e946bb98eda92735479dcb218561af3d1e35aa

SHA256
3cab4fd1ae4f4a598571fbfa77844770a4fc178bfc46d0e43df0381bf9db40d3

SHA512
1a42b96545468bfa779f6b11db5742990bf59b5e0c28fea6e34cde87fd46fc79ada8050135252a8f57b1b2126e7c55adb32401a29cfeecbff03362db7edbf9df

Download Submit
memory/2636-45-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2636-35-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2636-68-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2636-44-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2636-34-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2676-50-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2676-67-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2676-71-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2676-62-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2676-65-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2676-66-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2676-61-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2676-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2676-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2676-54-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2676-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2676-56-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2676-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2848-0-0x0000000074F01000-0x0000000074F02000-memory.dmp

Filesize
4KB

Download
memory/2848-13-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2848-26-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2848-33-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2848-12-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2848-1-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2848-25-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2848-2-0x0000000074F00000-0x00000000754AB000-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