remcos | 92c459b677130c62f0a34f1b77f26c098e04212bb56d7906f8aad278d37394cb

General

Target

Trojan.MSIL.Hanoone.exe
Size

2.1MB
MD5

f3170f0a9fbd0466bac6cf8757d89b70
SHA1

561c35ef1b516e0c28d775b9a50486104d3078a3
SHA256

92c459b677130c62f0a34f1b77f26c098e04212bb56d7906f8aad278d37394cb
SHA512

fcfb2910781a8d2409da48cac8396a40f2aaf54532fa58ad6882cbb7316bfbed3dd4eb0c76f2eca29c00f8ccbd5ffb5c79d1660b539103f76e9fb5193fd27f3a
SSDEEP

24576:uD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPj8/j73AneLKJJ+4M:up7E+QrFUBgq23M

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	Trojan.MSIL.Hanoone.exe

Executes dropped EXE 2 IoCs

pid	Process
4652	sbietrcl.exe
2028	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-1-5-21-2170637797-568393320-3232933035-1000\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 4652 set thread context of 2028	4652	sbietrcl.exe	98

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 18 IoCs

pid	Process
2396	Trojan.MSIL.Hanoone.exe
2396	Trojan.MSIL.Hanoone.exe
2396	Trojan.MSIL.Hanoone.exe
2396	Trojan.MSIL.Hanoone.exe
2396	Trojan.MSIL.Hanoone.exe
2396	Trojan.MSIL.Hanoone.exe
4652	sbietrcl.exe
4652	sbietrcl.exe
4652	sbietrcl.exe
4652	sbietrcl.exe
4652	sbietrcl.exe
4652	sbietrcl.exe
4652	sbietrcl.exe
4652	sbietrcl.exe
4652	sbietrcl.exe
4652	sbietrcl.exe
4652	sbietrcl.exe
4652	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2396	Trojan.MSIL.Hanoone.exe
Token: SeDebugPrivilege	4652	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2028	sbietrcl.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 4652	2396	Trojan.MSIL.Hanoone.exe	94
PID 2396 wrote to memory of 4652	2396	Trojan.MSIL.Hanoone.exe	94
PID 2396 wrote to memory of 4652	2396	Trojan.MSIL.Hanoone.exe	94
PID 4652 wrote to memory of 2028	4652	sbietrcl.exe	98
PID 4652 wrote to memory of 2028	4652	sbietrcl.exe	98
PID 4652 wrote to memory of 2028	4652	sbietrcl.exe	98
PID 4652 wrote to memory of 2028	4652	sbietrcl.exe	98
PID 4652 wrote to memory of 2028	4652	sbietrcl.exe	98
PID 4652 wrote to memory of 2028	4652	sbietrcl.exe	98
PID 4652 wrote to memory of 2028	4652	sbietrcl.exe	98
PID 4652 wrote to memory of 2028	4652	sbietrcl.exe	98
PID 4652 wrote to memory of 2028	4652	sbietrcl.exe	98

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:2396
- 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:4652
- - 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:2028

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4304,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=4060 /prefetch:8
1⤵
PID:3940

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
2.1MB

MD5
756fa1ef2e68ee85a1521c5c0669eae0

SHA1
3f9e2c1a12a91e3645160cf066af2dddad8d82a9

SHA256
b588a259fdb3cec6015d5a332cb768282cc624fa2455b5f1614df1a85d8f8445

SHA512
1827724d3a4fb8a3f87522932c6e7789f49db34622fc5482b48a97d3443b5eee7d0c1f520a066e4599fe59e49c1abca31174dd459da729347638be065cc5a071

Download Submit
memory/2028-34-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2028-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2028-44-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2028-38-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2028-41-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2028-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2028-37-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2396-16-0x0000000074662000-0x0000000074663000-memory.dmp

Filesize
4KB

Download
memory/2396-3-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/2396-1-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/2396-2-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/2396-4-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/2396-0-0x0000000074662000-0x0000000074663000-memory.dmp

Filesize
4KB

Download
memory/2396-28-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/2396-17-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/4652-33-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/4652-32-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/4652-29-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/4652-31-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/4652-45-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/4652-30-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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