remcos | 60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4

General

Target

60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4.exe
Size

1.4MB
MD5

53251f1a300317ba71b631853180e111
SHA1

cbf26b62b201e5b6ffa63409d53cddffd1ef428a
SHA256

60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4
SHA512

712b8e9ecf2d3567a8e8e77feee4c8ff3951c97da100c0db79e5fb5b9a375b4e31ae7fb0039d12961fd4e3919598688ec065fd34a246521c98bb34747b3edb7b
SSDEEP

24576:6D39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJs:6F+QrFUBgq25eKm

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4.exe

Executes dropped EXE 2 IoCs

pid	Process
3956	sbietrcl.exe
3456	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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3956 set thread context of 3456	3956	sbietrcl.exe	85

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	60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4.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
1588	60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4.exe
1588	60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4.exe
1588	60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4.exe
1588	60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4.exe
1588	60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4.exe
1588	60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4.exe
3956	sbietrcl.exe
3956	sbietrcl.exe
3956	sbietrcl.exe
3956	sbietrcl.exe
3956	sbietrcl.exe
3956	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1588	60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4.exe
Token: SeDebugPrivilege	3956	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3456	sbietrcl.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1588 wrote to memory of 3956	1588	60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4.exe	84
PID 1588 wrote to memory of 3956	1588	60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4.exe	84
PID 1588 wrote to memory of 3956	1588	60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4.exe	84
PID 3956 wrote to memory of 3456	3956	sbietrcl.exe	85
PID 3956 wrote to memory of 3456	3956	sbietrcl.exe	85
PID 3956 wrote to memory of 3456	3956	sbietrcl.exe	85
PID 3956 wrote to memory of 3456	3956	sbietrcl.exe	85
PID 3956 wrote to memory of 3456	3956	sbietrcl.exe	85
PID 3956 wrote to memory of 3456	3956	sbietrcl.exe	85
PID 3956 wrote to memory of 3456	3956	sbietrcl.exe	85
PID 3956 wrote to memory of 3456	3956	sbietrcl.exe	85
PID 3956 wrote to memory of 3456	3956	sbietrcl.exe	85

C:\Users\Admin\AppData\Local\Temp\60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4.exe
"C:\Users\Admin\AppData\Local\Temp\60f2edee5c3097118ff674a42ac2f5daedad5dfe563806f9b65b374a3c9745a4.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:1588
- 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:3956
- - 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:3456

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\Roaming\Microsoft\Windows\Templates\sbietrcl.exe

Filesize
1.4MB

MD5
f0fb373d4f0307dbeff13c43babeb070

SHA1
be4b6303ce3594e5f17c3aa5443f980be4c3b239

SHA256
610daa822ee98de71718c6baf95958cd382c878bd8a0edd9bbc6fe47ceaa98f9

SHA512
4728cab7aa14c4d97b0576871408a78d47991b8c2421e8334785a81c1bebf2086c8dd9f7e618b42dc0ae3b235042b4536663d024c18ffa2a70fe31f967e5e990

Download Submit
memory/1588-29-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/1588-2-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/1588-3-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/1588-4-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/1588-16-0x0000000075392000-0x0000000075393000-memory.dmp

Filesize
4KB

Download
memory/1588-17-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/1588-1-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/1588-0-0x0000000075392000-0x0000000075393000-memory.dmp

Filesize
4KB

Download
memory/3456-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3456-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3456-33-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3456-36-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3456-41-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3456-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3456-38-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3956-28-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/3956-32-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/3956-31-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/3956-44-0x0000000075390000-0x0000000075941000-memory.dmp

Filesize
5.7MB

Download
memory/3956-30-0x0000000075390000-0x0000000075941000-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