sectoprat | 5ebb5d7f09dcbabaa4006ffcd9e303be49d4fb511fef47927d690818a8363835

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2022, 16:23

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General

Target
j.exe
Size 2.0MB
Sample220902-tvsf5sghaj
SHA256 5ebb5d7f09dcbabaa4006ffcd9e303be49d4fb511fef47927d690818a8363835
MD5 f67aae7ef8cf8a1f712744760a06bbe9
SHA1 71ccd6ca1f8a5425e545a696a647b3d67ea9538f
SHA512 32d0b6c3ccb1bc3477c3b42644cbbec1fa576e478f773a76163901279a2d5999b589cb6e2ff09a03c63bc09ab8de9941a0ac239841afd7d8c21032a9c25cf003
SSDEEP 49152:QPVt/LZeJbInQRaa0wVyjPqTZhAxSC4v7ssl:uTYbInQUBjv+ssl
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

sectoprat evasion 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/724-138-0x0000000000A00000-0x0000000000AA2000-memory.dmp	family_sectoprat

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

description	pid	Process	procid_target
PID 1880 created 3060	1880	j.exe	43

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	jsc.exe

Drops startup file 2 IoCs

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

Loads dropped DLL 6 IoCs

pid	Process
1880	j.exe
1880	j.exe
1880	j.exe
1880	j.exe
1880	j.exe
1880	j.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
46	eth0.me

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1880 set thread context of 724	1880	j.exe	93

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1880	j.exe
1880	j.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	724	jsc.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1880	j.exe
1880	j.exe
1880	j.exe
1880	j.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1880	j.exe
1880	j.exe
1880	j.exe
1880	j.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1880 wrote to memory of 4656	1880	j.exe	82
PID 1880 wrote to memory of 4656	1880	j.exe	82
PID 1880 wrote to memory of 4656	1880	j.exe	82
PID 1880 wrote to memory of 724	1880	j.exe	93
PID 1880 wrote to memory of 724	1880	j.exe	93
PID 1880 wrote to memory of 724	1880	j.exe	93
PID 1880 wrote to memory of 724	1880	j.exe	93
PID 1880 wrote to memory of 724	1880	j.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3060
- C:\Users\Admin\AppData\Local\Temp\j.exe
  "C:\Users\Admin\AppData\Local\Temp\j.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1880
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
    3⤵
    - UAC bypass
    - Suspicious use of AdjustPrivilegeToken
    PID:724
- C:\Windows\SysWOW64\cmd.exe
  cmd /c echo [InternetShortcut] > "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\zJCGXpNubU.url" & echo URL="C:\Users\Admin\AppData\Local\Temp\OZogbrUDRQ\nqalLt.vbs" >> "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\zJCGXpNubU.url"
  2⤵
  - Drops startup file
  PID:4656

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

obLV.dll

Path C:\Users\Admin\AppData\Local\Temp\obLV.dll
Size 1.6MB
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
SSDEEP 24576:qhYK3o0FvOh/e8AuDq8TJqbEPVVdqi90gvuPGO12HoIGTufqN8:2XFvO5egq8TMbEL59JCKSN
MD5 SHA1 SHA512 SSDEEP

Submit Download

obLV.dll

Path C:\Users\Admin\AppData\Local\Temp\obLV.dll
Size 1.6MB
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
SSDEEP 24576:qhYK3o0FvOh/e8AuDq8TJqbEPVVdqi90gvuPGO12HoIGTufqN8:2XFvO5egq8TMbEL59JCKSN
MD5 SHA1 SHA512 SSDEEP

Submit Download

obLV.dll

Path C:\Users\Admin\AppData\Local\Temp\obLV.dll
Size 1.6MB
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
SSDEEP 24576:qhYK3o0FvOh/e8AuDq8TJqbEPVVdqi90gvuPGO12HoIGTufqN8:2XFvO5egq8TMbEL59JCKSN
MD5 SHA1 SHA512 SSDEEP

Submit Download

obLV.dll

Path C:\Users\Admin\AppData\Local\Temp\obLV.dll
Size 1.6MB
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
SSDEEP 24576:qhYK3o0FvOh/e8AuDq8TJqbEPVVdqi90gvuPGO12HoIGTufqN8:2XFvO5egq8TMbEL59JCKSN
MD5 SHA1 SHA512 SSDEEP

Submit Download

obLV.dll

Path C:\Users\Admin\AppData\Local\Temp\obLV.dll
Size 1.6MB
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
SSDEEP 24576:qhYK3o0FvOh/e8AuDq8TJqbEPVVdqi90gvuPGO12HoIGTufqN8:2XFvO5egq8TMbEL59JCKSN
MD5 SHA1 SHA512 SSDEEP

Submit Download

obLV.dll

Path C:\Users\Admin\AppData\Local\Temp\obLV.dll
Size 1.6MB
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
SSDEEP 24576:qhYK3o0FvOh/e8AuDq8TJqbEPVVdqi90gvuPGO12HoIGTufqN8:2XFvO5egq8TMbEL59JCKSN
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/724-138-0x0000000000A00000-0x0000000000AA2000-memory.dmp

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memory/724-142-0x0000000005600000-0x0000000005BA4000-memory.dmp

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memory/724-143-0x00000000050C0000-0x0000000005126000-memory.dmp

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memory/724-144-0x0000000005E90000-0x0000000005F22000-memory.dmp

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memory/724-145-0x0000000006400000-0x00000000065C2000-memory.dmp

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memory/724-146-0x00000000062E0000-0x0000000006356000-memory.dmp

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memory/724-147-0x0000000006B00000-0x000000000702C000-memory.dmp

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memory/724-148-0x0000000006380000-0x000000000639E000-memory.dmp

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