remcos | 58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a

General

Target

58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a.exe
Size

1.9MB
MD5

51a78b366807e0851132489626ffc3cf
SHA1

8a2973c73d30ae12e2d5a1b4070b51d156631ac7
SHA256

58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a
SHA512

0ba0ce74b545a4d6342fe392b302e6f1a54d06af6c055df07ccc50e7bdb180d0e7e1e5d91f04dbcf57e32c9d704e4c5032454fd8f7e115cbd53cf78fd45d093b
SSDEEP

24576:WD39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJWqwH6j9:WF+QrFUBgq25eKu6j9

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\Control Panel\International\Geo\Nation	58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a.exe

Executes dropped EXE 4 IoCs

pid	Process
2844	sbietrcl.exe
1416	sbietrcl.exe
1160	sbietrcl.exe
4040	sbietrcl.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-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2844 set thread context of 1160	2844	sbietrcl.exe	100
PID 1416 set thread context of 4040	1416	sbietrcl.exe	101

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 4 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	58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.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 18 IoCs

pid	Process
1920	58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a.exe
1920	58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a.exe
1920	58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a.exe
1920	58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a.exe
1920	58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a.exe
1920	58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a.exe
2844	sbietrcl.exe
2844	sbietrcl.exe
2844	sbietrcl.exe
2844	sbietrcl.exe
2844	sbietrcl.exe
2844	sbietrcl.exe
1416	sbietrcl.exe
1416	sbietrcl.exe
1416	sbietrcl.exe
1416	sbietrcl.exe
1416	sbietrcl.exe
1416	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1920	58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a.exe
Token: SeDebugPrivilege	2844	sbietrcl.exe
Token: SeDebugPrivilege	1416	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4040	sbietrcl.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 828 wrote to memory of 2844	828	cmd.exe	98
PID 828 wrote to memory of 2844	828	cmd.exe	98
PID 828 wrote to memory of 2844	828	cmd.exe	98
PID 1920 wrote to memory of 1416	1920	58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a.exe	99
PID 1920 wrote to memory of 1416	1920	58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a.exe	99
PID 1920 wrote to memory of 1416	1920	58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a.exe	99
PID 2844 wrote to memory of 1160	2844	sbietrcl.exe	100
PID 2844 wrote to memory of 1160	2844	sbietrcl.exe	100
PID 2844 wrote to memory of 1160	2844	sbietrcl.exe	100
PID 2844 wrote to memory of 1160	2844	sbietrcl.exe	100
PID 2844 wrote to memory of 1160	2844	sbietrcl.exe	100
PID 2844 wrote to memory of 1160	2844	sbietrcl.exe	100
PID 2844 wrote to memory of 1160	2844	sbietrcl.exe	100
PID 2844 wrote to memory of 1160	2844	sbietrcl.exe	100
PID 2844 wrote to memory of 1160	2844	sbietrcl.exe	100
PID 1416 wrote to memory of 4040	1416	sbietrcl.exe	101
PID 1416 wrote to memory of 4040	1416	sbietrcl.exe	101
PID 1416 wrote to memory of 4040	1416	sbietrcl.exe	101
PID 1416 wrote to memory of 4040	1416	sbietrcl.exe	101
PID 1416 wrote to memory of 4040	1416	sbietrcl.exe	101
PID 1416 wrote to memory of 4040	1416	sbietrcl.exe	101
PID 1416 wrote to memory of 4040	1416	sbietrcl.exe	101
PID 1416 wrote to memory of 4040	1416	sbietrcl.exe	101
PID 1416 wrote to memory of 4040	1416	sbietrcl.exe	101

C:\Users\Admin\AppData\Local\Temp\58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a.exe
"C:\Users\Admin\AppData\Local\Temp\58a62767cb1609473806371b85474e74fa4ca0d6e0d04367e7bb9152019d692a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1920
- 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:1416
- - 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:4040

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:828
- 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:2844
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
    3⤵
    - Executes dropped EXE
    PID:1160

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

Query Registry

1

T1012

System Information Discovery

2

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\Microsoft\CLR_v2.0_32\UsageLogs\sbietrcl.exe.log

Filesize
400B

MD5
0a9b4592cd49c3c21f6767c2dabda92f

SHA1
f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

SHA256
c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

SHA512
6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

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

Filesize
1.9MB

MD5
96b96b2e65dba560bff50fa105a9dfed

SHA1
69be1af4059bb3a3ad0df0588767638934e7115a

SHA256
3ff171cdc94ecea6f7ea93c3b20c72158169ccf6794eadc9855659c46e0815ac

SHA512
5f7cf1f1d69ed129ed2d119371538ce74b2522c1709cebabc10cdb07022ee9d696ba13ce18ae1d6321db4dc23efdf9f95b6449342d74251ababcd4c3d64ca71d

Download Submit
memory/1416-44-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/1416-31-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/1416-30-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/1920-28-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/1920-5-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/1920-18-0x0000000074F82000-0x0000000074F83000-memory.dmp

Filesize
4KB

Download
memory/1920-23-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/1920-1-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/1920-19-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/1920-2-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/1920-0-0x0000000074F82000-0x0000000074F83000-memory.dmp

Filesize
4KB

Download
memory/1920-27-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/1920-6-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/2844-25-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/2844-34-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/2844-26-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/2844-24-0x0000000074F80000-0x0000000075531000-memory.dmp

Filesize
5.7MB

Download
memory/4040-35-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4040-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4040-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4040-39-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4040-37-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads