remcos | eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2

General

Target

eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2.exe
Size

1.0MB
MD5

60de3e1538e7d83d611ed4ffe50e939c
SHA1

f55771a99a67720c0fbf8372a3d967b4c70b0172
SHA256

eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2
SHA512

621326429847902b2b5a33a42d110b280f955867652ee17aaf0380bafdd9514d8bdd645788fb60280f3a459c604421b52b940a17edc11c06ad3160e7f437a7f9
SSDEEP

12288:PfeDOa9rDeYSorINpj5XqkJD0QrOod7XxlW91RRep+rgRNyA55IxJ2DJW//oj/y:uD39v74lfGQrFUspugRNJI2DJW//oja

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
2852	sbietrcl.exe
2700	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
3040	eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2.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"	eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2852 set thread context of 2700	2852	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	eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2.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
3040	eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2.exe
3040	eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2.exe
3040	eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2.exe
3040	eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2.exe
3040	eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2.exe
3040	eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2.exe
2852	sbietrcl.exe
2852	sbietrcl.exe
2852	sbietrcl.exe
2852	sbietrcl.exe
2852	sbietrcl.exe
2852	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2.exe
Token: SeDebugPrivilege	2852	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2700	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2852	3040	eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2.exe	30
PID 3040 wrote to memory of 2852	3040	eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2.exe	30
PID 3040 wrote to memory of 2852	3040	eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2.exe	30
PID 3040 wrote to memory of 2852	3040	eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2.exe	30
PID 2852 wrote to memory of 2700	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 2700	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 2700	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 2700	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 2700	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 2700	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 2700	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 2700	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 2700	2852	sbietrcl.exe	31
PID 2852 wrote to memory of 2700	2852	sbietrcl.exe	31

C:\Users\Admin\AppData\Local\Temp\eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2.exe
"C:\Users\Admin\AppData\Local\Temp\eeac2673ba8c27f69ec5efe64669138bc0e4d7b19c1778c6e8789729baf564b2.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:3040
- 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:2852
- - 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:2700

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
b3b52fc6cec59f07c07bda7fd9eadde4

SHA1
bb6e00f924f5e93ad1b97780ebe1e782739acf12

SHA256
fd13f11ec25febfe9fa3e7fbc8106de362f337e074e95fdbfc20038b65d2580a

SHA512
36e469c3567c20d32d957d21d3e29925f2394c253eaab25ee4b5248847ba18fb4c892a1a14d405cec14aad95e11965d6ee41fa34da104aef70814975954694dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab9DF4.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

Filesize
1.0MB

MD5
30966c71359a883079c26eea9251ba1a

SHA1
8afc0f14f86e5ae86aec84137c71ceb2429eeab3

SHA256
405f281963ab659b683875360bc88337f3d5202b3e1d4b03d598d92453bf6d1f

SHA512
e239c8b17bac4949b2024db20c200044a855960c9e63e28c3cedb885565186adc1359348dd12787bcd40c2439f45ed416d3a6d789e7a014bcff838f70e95c05f

Download Submit
memory/2700-65-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2700-56-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2700-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2700-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2700-50-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2700-52-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2700-54-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2700-58-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2700-66-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2700-70-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2700-61-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2700-62-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2852-45-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2852-44-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2852-34-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2852-35-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2852-33-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2852-67-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/3040-0-0x00000000745D1000-0x00000000745D2000-memory.dmp

Filesize
4KB

Download
memory/3040-32-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/3040-25-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/3040-13-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/3040-12-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/3040-2-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/3040-1-0x00000000745D0000-0x0000000074B7B000-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