luminosity | ad6745f26abfb80e1f8557dbbb9427d1c7553bdb1758b6bc0c286472bf29c3da

Analysis

max time kernel
149s
max time network
72s
platform
windows7_x64
resource
win7-20220414-en
submitted
20-05-2022 22:23

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General

Target

New PO 8003987747484873672020.exe
Size

293KB
MD5

7c1768b63f9baa0720999f746e56a3ec
SHA1

8bb578ad423522f6f7c54275ed8269601ee68bd7
SHA256

2db7aa7291c73bde092cd4cc8af0aff7eac7245ae5b034d8bb8810c76d85cd91
SHA512

aa40e474dfc97638f75ff9495b8766e546704d80828ecdfc98ea0d3ac01e3c22a4b131ecb22ccbd75bfe15906c259a3db215bbd0684bca2704eee590a5e17b21

Score

10^/10

luminosity persistence rat

Malware Config

Signatures

Luminosity 2 IoCs

Luminosity is a RAT family that was on sale, while claiming to be a system administration utility.

rat luminosity

pid	Process
1500	schtasks.exe
1732	schtasks.exe

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,\"C:\\Windows\\system32\\clientsvr.exe\""	anibtcent.exe.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\230924\\anibtcent.exe.exe\""	anibtcent.exe.exe

Executes dropped EXE 3 IoCs

pid	Process
1312	anibtcent.exe.exe
960	anibtcent.exe.exe
812	anibtcent.exe.exe

Loads dropped DLL 1 IoCs

pid	Process
1400	New PO 8003987747484873672020.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\HWKP = "\"C:\\ProgramData\\230924\\anibtcent.exe.exe\""	anibtcent.exe.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\clientsvr.exe	anibtcent.exe.exe
File opened for modification	C:\Windows\SysWOW64\clientsvr.exe	anibtcent.exe.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1800 set thread context of 1400	1800	New PO 8003987747484873672020.exe	29
PID 1312 set thread context of 812	1312	anibtcent.exe.exe	35

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1732	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1312	anibtcent.exe.exe
1312	anibtcent.exe.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1312	anibtcent.exe.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 1500	1800	New PO 8003987747484873672020.exe	27
PID 1800 wrote to memory of 1500	1800	New PO 8003987747484873672020.exe	27
PID 1800 wrote to memory of 1500	1800	New PO 8003987747484873672020.exe	27
PID 1800 wrote to memory of 1500	1800	New PO 8003987747484873672020.exe	27
PID 1800 wrote to memory of 1400	1800	New PO 8003987747484873672020.exe	29
PID 1800 wrote to memory of 1400	1800	New PO 8003987747484873672020.exe	29
PID 1800 wrote to memory of 1400	1800	New PO 8003987747484873672020.exe	29
PID 1800 wrote to memory of 1400	1800	New PO 8003987747484873672020.exe	29
PID 1800 wrote to memory of 1400	1800	New PO 8003987747484873672020.exe	29
PID 1800 wrote to memory of 1400	1800	New PO 8003987747484873672020.exe	29
PID 1800 wrote to memory of 1400	1800	New PO 8003987747484873672020.exe	29
PID 1800 wrote to memory of 1400	1800	New PO 8003987747484873672020.exe	29
PID 1800 wrote to memory of 1400	1800	New PO 8003987747484873672020.exe	29
PID 1400 wrote to memory of 1312	1400	New PO 8003987747484873672020.exe	31
PID 1400 wrote to memory of 1312	1400	New PO 8003987747484873672020.exe	31
PID 1400 wrote to memory of 1312	1400	New PO 8003987747484873672020.exe	31
PID 1400 wrote to memory of 1312	1400	New PO 8003987747484873672020.exe	31
PID 1312 wrote to memory of 1732	1312	anibtcent.exe.exe	32
PID 1312 wrote to memory of 1732	1312	anibtcent.exe.exe	32
PID 1312 wrote to memory of 1732	1312	anibtcent.exe.exe	32
PID 1312 wrote to memory of 1732	1312	anibtcent.exe.exe	32
PID 1312 wrote to memory of 960	1312	anibtcent.exe.exe	34
PID 1312 wrote to memory of 960	1312	anibtcent.exe.exe	34
PID 1312 wrote to memory of 960	1312	anibtcent.exe.exe	34
PID 1312 wrote to memory of 960	1312	anibtcent.exe.exe	34
PID 1312 wrote to memory of 812	1312	anibtcent.exe.exe	35
PID 1312 wrote to memory of 812	1312	anibtcent.exe.exe	35
PID 1312 wrote to memory of 812	1312	anibtcent.exe.exe	35
PID 1312 wrote to memory of 812	1312	anibtcent.exe.exe	35
PID 1312 wrote to memory of 812	1312	anibtcent.exe.exe	35
PID 1312 wrote to memory of 812	1312	anibtcent.exe.exe	35
PID 1312 wrote to memory of 812	1312	anibtcent.exe.exe	35
PID 1312 wrote to memory of 812	1312	anibtcent.exe.exe	35
PID 1312 wrote to memory of 812	1312	anibtcent.exe.exe	35

C:\Users\Admin\AppData\Local\Temp\New PO 8003987747484873672020.exe
"C:\Users\Admin\AppData\Local\Temp\New PO 8003987747484873672020.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QFUlQILxU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp85C4.tmp"
  2⤵
  - Luminosity
  PID:1500
- C:\Users\Admin\AppData\Local\Temp\New PO 8003987747484873672020.exe
  "C:\Users\Admin\AppData\Local\Temp\New PO 8003987747484873672020.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1400
- - C:\ProgramData\230924\anibtcent.exe.exe
    "C:\ProgramData\230924\anibtcent.exe.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1312
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QFUlQILxU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFEF8.tmp"
      4⤵
      Luminosity
      Creates scheduled task(s)
      PID:1732
  - - C:\ProgramData\230924\anibtcent.exe.exe
      "C:\ProgramData\230924\anibtcent.exe.exe"
      4⤵
      Executes dropped EXE
      PID:960
  - - C:\ProgramData\230924\anibtcent.exe.exe
      "C:\ProgramData\230924\anibtcent.exe.exe"
      4⤵
      Modifies WinLogon for persistence
      Executes dropped EXE
      Adds Run key to start application
      Drops file in System32 directory
      PID:812

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Winlogon Helper DLL

T1004

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\230924\anibtcent.exe.exe

Filesize
293KB

MD5
7c1768b63f9baa0720999f746e56a3ec

SHA1
8bb578ad423522f6f7c54275ed8269601ee68bd7

SHA256
2db7aa7291c73bde092cd4cc8af0aff7eac7245ae5b034d8bb8810c76d85cd91

SHA512
aa40e474dfc97638f75ff9495b8766e546704d80828ecdfc98ea0d3ac01e3c22a4b131ecb22ccbd75bfe15906c259a3db215bbd0684bca2704eee590a5e17b21

Download Submit
C:\ProgramData\230924\anibtcent.exe.exe

Filesize
293KB

MD5
7c1768b63f9baa0720999f746e56a3ec

SHA1
8bb578ad423522f6f7c54275ed8269601ee68bd7

SHA256
2db7aa7291c73bde092cd4cc8af0aff7eac7245ae5b034d8bb8810c76d85cd91

SHA512
aa40e474dfc97638f75ff9495b8766e546704d80828ecdfc98ea0d3ac01e3c22a4b131ecb22ccbd75bfe15906c259a3db215bbd0684bca2704eee590a5e17b21

Download Submit
C:\ProgramData\230924\anibtcent.exe.exe

Filesize
293KB

MD5
7c1768b63f9baa0720999f746e56a3ec

SHA1
8bb578ad423522f6f7c54275ed8269601ee68bd7

SHA256
2db7aa7291c73bde092cd4cc8af0aff7eac7245ae5b034d8bb8810c76d85cd91

SHA512
aa40e474dfc97638f75ff9495b8766e546704d80828ecdfc98ea0d3ac01e3c22a4b131ecb22ccbd75bfe15906c259a3db215bbd0684bca2704eee590a5e17b21

Download Submit
C:\ProgramData\230924\anibtcent.exe.exe

Filesize
293KB

MD5
7c1768b63f9baa0720999f746e56a3ec

SHA1
8bb578ad423522f6f7c54275ed8269601ee68bd7

SHA256
2db7aa7291c73bde092cd4cc8af0aff7eac7245ae5b034d8bb8810c76d85cd91

SHA512
aa40e474dfc97638f75ff9495b8766e546704d80828ecdfc98ea0d3ac01e3c22a4b131ecb22ccbd75bfe15906c259a3db215bbd0684bca2704eee590a5e17b21

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp85C4.tmp

Filesize
1KB

MD5
bf0f3184c53c07ba84d3069a72cf8591

SHA1
7a46e215570d0eddf267f4310fecb21faf8d0f1a

SHA256
d733c7fd3e2376cf124154de6114452406db1ef794a1e4d9b4f1cf67b150f840

SHA512
5d188431364ebec3ea4d50cdaf209c6fcb37c8d996983b444e9587616b8a1c72b619ebde429b322c655088a19bdc35ed919799a8b54a85e2cfb99fa585f49887

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFEF8.tmp

Filesize
1KB

MD5
bf0f3184c53c07ba84d3069a72cf8591

SHA1
7a46e215570d0eddf267f4310fecb21faf8d0f1a

SHA256
d733c7fd3e2376cf124154de6114452406db1ef794a1e4d9b4f1cf67b150f840

SHA512
5d188431364ebec3ea4d50cdaf209c6fcb37c8d996983b444e9587616b8a1c72b619ebde429b322c655088a19bdc35ed919799a8b54a85e2cfb99fa585f49887

Download Submit
\ProgramData\230924\anibtcent.exe.exe

Filesize
293KB

MD5
7c1768b63f9baa0720999f746e56a3ec

SHA1
8bb578ad423522f6f7c54275ed8269601ee68bd7

SHA256
2db7aa7291c73bde092cd4cc8af0aff7eac7245ae5b034d8bb8810c76d85cd91

SHA512
aa40e474dfc97638f75ff9495b8766e546704d80828ecdfc98ea0d3ac01e3c22a4b131ecb22ccbd75bfe15906c259a3db215bbd0684bca2704eee590a5e17b21

Download Submit
memory/1312-76-0x0000000000010000-0x0000000000060000-memory.dmp

Filesize
320KB

Download
memory/1400-61-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1400-65-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1400-68-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1400-70-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1400-63-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1400-60-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1800-54-0x0000000000AF0000-0x0000000000B40000-memory.dmp

Filesize
320KB

Download
memory/1800-56-0x0000000000700000-0x0000000000746000-memory.dmp

Filesize
280KB

Download
memory/1800-57-0x0000000074E91000-0x0000000074E93000-memory.dmp

Filesize
8KB

Download
memory/1800-55-0x0000000000470000-0x0000000000478000-memory.dmp

Filesize
32KB

Download