sectoprat | 405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8d

General

Target

405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe
Size

9.7MB
MD5

efee7c6f977480da8045c65578fc5da0
SHA1

60d2b7e4860343637e9765577761eb1d341a5238
SHA256

405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8d
SHA512

3e1c82db7b49005af4e0763c5d0d6dadb25da672eabf626057f77dbd6e0cd5a7a90ec63f58a77d599cd197815ecca2fa2a439d83246c3f80e44e942d6538755c
SSDEEP

196608:UqS/4h/rXqoSATFVtpGa8pVOWuNT+p2vIEJV4la4+55HCVwi2j/DI:UdQ/LqSFlGO+XEJV4la1FGw/P

Score

10^/10

sectoprat discovery rat trojan

Malware Config

Signatures

SectopRAT
SectopRAT is a remote access trojan first seen in November 2019.
trojan rat sectoprat

SectopRAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/3320-33-0x0000000000400000-0x00000000004D6000-memory.dmp	family_sectoprat

Sectoprat family
sectoprat

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\diquim.url	405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\diquim.url	405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe

Executes dropped EXE 1 IoCs

pid	Process
4116	wiheyi.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
4860	405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe
4860	405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe
4116	wiheyi.exe
4116	wiheyi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4116 set thread context of 3320	4116	wiheyi.exe	100

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 5 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	405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wiheyi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2936	cmd.exe
2976	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2976	PING.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4860	405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe
4860	405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe
4860	405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe
4860	405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe
4116	wiheyi.exe
4116	wiheyi.exe
4116	wiheyi.exe
4116	wiheyi.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3320	InstallUtil.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4860 wrote to memory of 4116	4860	405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe	93
PID 4860 wrote to memory of 4116	4860	405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe	93
PID 4860 wrote to memory of 4116	4860	405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe	93
PID 4860 wrote to memory of 2936	4860	405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe	94
PID 4860 wrote to memory of 2936	4860	405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe	94
PID 4860 wrote to memory of 2936	4860	405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe	94
PID 2936 wrote to memory of 2976	2936	cmd.exe	96
PID 2936 wrote to memory of 2976	2936	cmd.exe	96
PID 2936 wrote to memory of 2976	2936	cmd.exe	96
PID 4116 wrote to memory of 3320	4116	wiheyi.exe	100
PID 4116 wrote to memory of 3320	4116	wiheyi.exe	100
PID 4116 wrote to memory of 3320	4116	wiheyi.exe	100
PID 4116 wrote to memory of 3320	4116	wiheyi.exe	100
PID 4116 wrote to memory of 3320	4116	wiheyi.exe	100

C:\Users\Admin\AppData\Local\Temp\405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe
"C:\Users\Admin\AppData\Local\Temp\405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4860
- C:\ProgramData\bexicero\wiheyi.exe
  "C:\ProgramData\bexicero\wiheyi.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4116
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:3320
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c @echo off & ping 127.0.0.1 -n 5 -w 1000 > nul & del "C:\Users\Admin\AppData\Local\Temp\405f4f4f442eb50faed3d85bdeacca808298734a0ae227ed0031b1f93d2d5e8dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 5 -w 1000
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3320-32-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/3320-38-0x0000000005400000-0x0000000005438000-memory.dmp

Filesize
224KB

Download
memory/3320-37-0x0000000005270000-0x000000000529E000-memory.dmp

Filesize
184KB

Download
memory/3320-36-0x00000000052E0000-0x0000000005372000-memory.dmp

Filesize
584KB

Download
memory/3320-35-0x0000000005890000-0x0000000005E34000-memory.dmp

Filesize
5.6MB

Download
memory/3320-33-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/4116-27-0x0000000000400000-0x00000000013B9000-memory.dmp

Filesize
15.7MB

Download
memory/4116-25-0x0000000000400000-0x00000000013B9000-memory.dmp

Filesize
15.7MB

Download
memory/4116-26-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/4116-31-0x0000000000400000-0x00000000013B9000-memory.dmp

Filesize
15.7MB

Download
memory/4116-34-0x0000000000400000-0x00000000013B9000-memory.dmp

Filesize
15.7MB

Download
memory/4860-0-0x0000000000570000-0x0000000000A0C000-memory.dmp

Filesize
4.6MB

Download
memory/4860-24-0x0000000000400000-0x00000000013B9000-memory.dmp

Filesize
15.7MB

Download
memory/4860-23-0x0000000000570000-0x0000000000A0C000-memory.dmp

Filesize
4.6MB

Download
memory/4860-9-0x0000000000400000-0x00000000013B9000-memory.dmp

Filesize
15.7MB

Download
memory/4860-6-0x0000000000400000-0x00000000013B9000-memory.dmp

Filesize
15.7MB

Download
memory/4860-2-0x0000000000400000-0x00000000013B9000-memory.dmp

Filesize
15.7MB

Download
memory/4860-1-0x0000000001620000-0x0000000001621000-memory.dmp

Filesize
4KB

Download

Analysis

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