remcos | de4a727ee3bef985a61facd6f4708d25bb9b1fd96d257620231ac19e9d940425

General

Target

Trojan.MSIL.Hanoone.exe
Size

2.0MB
MD5

468cfba3212b345bf2f66a7aa1d04bc0
SHA1

873e5f202a64f059e6a2e8a7fa166c3cb9d96d76
SHA256

de4a727ee3bef985a61facd6f4708d25bb9b1fd96d257620231ac19e9d940425
SHA512

34676717226b6b9bd5a849b9436e908bf44ea496db4bcf5ffb44788db67c822844a050d753d4d222e7ada0dbd84499ce93049f0ea4ca6bdad9ca647d6311655a
SSDEEP

24576:XD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjYFES7Zicw/OL:Xp7E+QrFUBgq2agG

Score

10^/10

remcos host credential_access 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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	Trojan.MSIL.Hanoone.exe

Executes dropped EXE 2 IoCs

pid	Process
1524	sbietrcl.exe
2996	sbietrcl.exe

Reads user/profile data of web browsers 2 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

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-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	Trojan.MSIL.Hanoone.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1524 set thread context of 2996	1524	sbietrcl.exe	90

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	Trojan.MSIL.Hanoone.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
3656	Trojan.MSIL.Hanoone.exe
3656	Trojan.MSIL.Hanoone.exe
3656	Trojan.MSIL.Hanoone.exe
3656	Trojan.MSIL.Hanoone.exe
3656	Trojan.MSIL.Hanoone.exe
3656	Trojan.MSIL.Hanoone.exe
1524	sbietrcl.exe
1524	sbietrcl.exe
1524	sbietrcl.exe
1524	sbietrcl.exe
1524	sbietrcl.exe
1524	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3656	Trojan.MSIL.Hanoone.exe
Token: SeDebugPrivilege	1524	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2996	sbietrcl.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 1524	3656	Trojan.MSIL.Hanoone.exe	87
PID 3656 wrote to memory of 1524	3656	Trojan.MSIL.Hanoone.exe	87
PID 3656 wrote to memory of 1524	3656	Trojan.MSIL.Hanoone.exe	87
PID 1524 wrote to memory of 2996	1524	sbietrcl.exe	90
PID 1524 wrote to memory of 2996	1524	sbietrcl.exe	90
PID 1524 wrote to memory of 2996	1524	sbietrcl.exe	90
PID 1524 wrote to memory of 2996	1524	sbietrcl.exe	90
PID 1524 wrote to memory of 2996	1524	sbietrcl.exe	90
PID 1524 wrote to memory of 2996	1524	sbietrcl.exe	90
PID 1524 wrote to memory of 2996	1524	sbietrcl.exe	90
PID 1524 wrote to memory of 2996	1524	sbietrcl.exe	90
PID 1524 wrote to memory of 2996	1524	sbietrcl.exe	90

C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Hanoone.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan.MSIL.Hanoone.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:3656
- 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:1524
- - 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:2996

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
2.0MB

MD5
cba3fa4f394b26e59b59ded25e7f59bd

SHA1
fe96039f04ea0303885d4efbcc9dea4989fe3e26

SHA256
ad52ed5122bdcf06b2cd91498dc0e340fb24262b6336463d476072f9c25b68d3

SHA512
cb46a57d76e89f859a878683b68effa4530fff99a21358bebcd127c05fcf405081aecf15ed7388d9b782f1e64b159c4688ed5bbd7cee7b79a8c91bfc94d67690

Download Submit
memory/1524-45-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/1524-33-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/1524-32-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/1524-31-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/1524-30-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/1524-29-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/2996-37-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2996-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2996-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2996-44-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2996-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2996-39-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2996-34-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3656-2-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/3656-0-0x00000000750C2000-0x00000000750C3000-memory.dmp

Filesize
4KB

Download
memory/3656-3-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/3656-28-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/3656-4-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/3656-16-0x00000000750C2000-0x00000000750C3000-memory.dmp

Filesize
4KB

Download
memory/3656-1-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/3656-17-0x00000000750C0000-0x0000000075671000-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