sectoprat | 7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8

General

Target

7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe
Size

9.7MB
MD5

50ab1ad6ff7df6775aee42cfd7d31070
SHA1

dcb2fadab68bc37634eb5fa395c911704e6287ed
SHA256

7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8
SHA512

b305835ddf98d00fc8958082ac328877e9f127c737739bdf32f4bd27fc9caa3a572ecfdec9428289ed8972e3ddad150a33b0d950534dd69234e3a08f4d8070fe
SSDEEP

196608:UqS/4h/rXqoSATFVtpGa8pVOWuNT+p2vIEJV4la4+55HCVwi2j/DIC:UdQ/LqSFlGO+XEJV4la1FGw/PB

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/3916-33-0x0000000000400000-0x00000000004D6000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\diquim.url	7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\diquim.url	7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe

Executes dropped EXE 1 IoCs

pid	Process
4044	wiheyi.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2244	7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe
2244	7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe
4044	wiheyi.exe
4044	wiheyi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4044 set thread context of 3916	4044	wiheyi.exe	102

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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.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
4928	cmd.exe
3184	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3184	PING.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2244	7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe
2244	7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe
2244	7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe
2244	7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe
4044	wiheyi.exe
4044	wiheyi.exe
4044	wiheyi.exe
4044	wiheyi.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3916	InstallUtil.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 4044	2244	7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe	93
PID 2244 wrote to memory of 4044	2244	7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe	93
PID 2244 wrote to memory of 4044	2244	7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe	93
PID 2244 wrote to memory of 4928	2244	7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe	96
PID 2244 wrote to memory of 4928	2244	7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe	96
PID 2244 wrote to memory of 4928	2244	7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe	96
PID 4928 wrote to memory of 3184	4928	cmd.exe	98
PID 4928 wrote to memory of 3184	4928	cmd.exe	98
PID 4928 wrote to memory of 3184	4928	cmd.exe	98
PID 4044 wrote to memory of 3916	4044	wiheyi.exe	102
PID 4044 wrote to memory of 3916	4044	wiheyi.exe	102
PID 4044 wrote to memory of 3916	4044	wiheyi.exe	102
PID 4044 wrote to memory of 3916	4044	wiheyi.exe	102
PID 4044 wrote to memory of 3916	4044	wiheyi.exe	102

C:\Users\Admin\AppData\Local\Temp\7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe
"C:\Users\Admin\AppData\Local\Temp\7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.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:2244
- 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:4044
- - 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:3916
- 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\7601e3f132964d270ae8b80b95f1f0ec5f0bade0dda5af0d8f5329d0151f4de8N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:4928
- - 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:3184

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/2244-0-0x0000000000570000-0x0000000000A0C000-memory.dmp

Filesize
4.6MB

Download
memory/2244-2-0x0000000000400000-0x00000000013B9000-memory.dmp

Filesize
15.7MB

Download
memory/2244-1-0x0000000001770000-0x0000000001771000-memory.dmp

Filesize
4KB

Download
memory/2244-6-0x0000000000400000-0x00000000013B9000-memory.dmp

Filesize
15.7MB

Download
memory/2244-7-0x0000000000400000-0x00000000013B9000-memory.dmp

Filesize
15.7MB

Download
memory/2244-23-0x0000000000570000-0x0000000000A0C000-memory.dmp

Filesize
4.6MB

Download
memory/2244-24-0x0000000000400000-0x00000000013B9000-memory.dmp

Filesize
15.7MB

Download
memory/3916-32-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/3916-33-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/3916-35-0x0000000005B80000-0x0000000006124000-memory.dmp

Filesize
5.6MB

Download
memory/3916-36-0x0000000005490000-0x0000000005522000-memory.dmp

Filesize
584KB

Download
memory/3916-37-0x0000000005420000-0x000000000544E000-memory.dmp

Filesize
184KB

Download
memory/3916-38-0x0000000005530000-0x0000000005568000-memory.dmp

Filesize
224KB

Download
memory/4044-27-0x0000000000400000-0x00000000013B9000-memory.dmp

Filesize
15.7MB

Download
memory/4044-26-0x00000000015F0000-0x00000000015F1000-memory.dmp

Filesize
4KB

Download
memory/4044-31-0x0000000000400000-0x00000000013B9000-memory.dmp

Filesize
15.7MB

Download
memory/4044-25-0x0000000000400000-0x00000000013B9000-memory.dmp

Filesize
15.7MB

Download
memory/4044-34-0x0000000000400000-0x00000000013B9000-memory.dmp

Filesize
15.7MB

Download

Analysis

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