luminosity | cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7

General

Target

cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe
Size

372KB
MD5

4beb9aa614a6adf13b28f2788eb60d10
SHA1

fa29a3a6b2e0a4411bfc3f62fded045cca047c8f
SHA256

cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7
SHA512

08495fc0b552dd7dbd5b9fcacff1ca581bb4461721458439a82d2818e0dd51499e2f97ecea74b04b6b6112e710d37dc30da72ea9bc4584e8fbe4338a89dbad79
SSDEEP

6144:Dr65XFOexNydkH2xC+8DD287dU8zt0AW+SRCzo2Dwp4PrxNY:Dr614RxeX2+4vRCzos5rfY

Score

10^/10

luminosity persistence rat

Malware Config

Signatures

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

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\""	sysmon.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\553736\\sysmon.exe\""	sysmon.exe

Executes dropped EXE 2 IoCs

pid	Process
1048	sysmon.exe
1856	sysmon.exe

Loads dropped DLL 1 IoCs

pid	Process
1168	cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.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-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\System Monitor = "\"C:\\ProgramData\\553736\\sysmon.exe\""	sysmon.exe

Drops file in System32 directory 2 IoCs

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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1236 set thread context of 1168	1236	cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe	28
PID 1048 set thread context of 1856	1048	sysmon.exe	31

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1856	sysmon.exe
1856	sysmon.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1168	cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1856	sysmon.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1856	sysmon.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 1168	1236	cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe	28
PID 1236 wrote to memory of 1168	1236	cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe	28
PID 1236 wrote to memory of 1168	1236	cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe	28
PID 1236 wrote to memory of 1168	1236	cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe	28
PID 1236 wrote to memory of 1168	1236	cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe	28
PID 1236 wrote to memory of 1168	1236	cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe	28
PID 1236 wrote to memory of 1168	1236	cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe	28
PID 1236 wrote to memory of 1168	1236	cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe	28
PID 1236 wrote to memory of 1168	1236	cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe	28
PID 1168 wrote to memory of 1048	1168	cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe	30
PID 1168 wrote to memory of 1048	1168	cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe	30
PID 1168 wrote to memory of 1048	1168	cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe	30
PID 1168 wrote to memory of 1048	1168	cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe	30
PID 1048 wrote to memory of 1856	1048	sysmon.exe	31
PID 1048 wrote to memory of 1856	1048	sysmon.exe	31
PID 1048 wrote to memory of 1856	1048	sysmon.exe	31
PID 1048 wrote to memory of 1856	1048	sysmon.exe	31
PID 1048 wrote to memory of 1856	1048	sysmon.exe	31
PID 1048 wrote to memory of 1856	1048	sysmon.exe	31
PID 1048 wrote to memory of 1856	1048	sysmon.exe	31
PID 1048 wrote to memory of 1856	1048	sysmon.exe	31
PID 1048 wrote to memory of 1856	1048	sysmon.exe	31

C:\Users\Admin\AppData\Local\Temp\cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe
"C:\Users\Admin\AppData\Local\Temp\cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Users\Admin\AppData\Local\Temp\cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe
  "C:\Users\Admin\AppData\Local\Temp\cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1168
- - C:\ProgramData\553736\sysmon.exe
    "C:\ProgramData\553736\sysmon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1048
  - - C:\ProgramData\553736\sysmon.exe
      "C:\ProgramData\553736\sysmon.exe"
      4⤵
      Modifies WinLogon for persistence
      Executes dropped EXE
      Adds Run key to start application
      Drops file in System32 directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1856

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\553736\sysmon.exe

Filesize
372KB

MD5
4beb9aa614a6adf13b28f2788eb60d10

SHA1
fa29a3a6b2e0a4411bfc3f62fded045cca047c8f

SHA256
cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7

SHA512
08495fc0b552dd7dbd5b9fcacff1ca581bb4461721458439a82d2818e0dd51499e2f97ecea74b04b6b6112e710d37dc30da72ea9bc4584e8fbe4338a89dbad79

Download Submit
C:\ProgramData\553736\sysmon.exe

Filesize
372KB

MD5
4beb9aa614a6adf13b28f2788eb60d10

SHA1
fa29a3a6b2e0a4411bfc3f62fded045cca047c8f

SHA256
cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7

SHA512
08495fc0b552dd7dbd5b9fcacff1ca581bb4461721458439a82d2818e0dd51499e2f97ecea74b04b6b6112e710d37dc30da72ea9bc4584e8fbe4338a89dbad79

Download Submit
C:\ProgramData\553736\sysmon.exe

Filesize
372KB

MD5
4beb9aa614a6adf13b28f2788eb60d10

SHA1
fa29a3a6b2e0a4411bfc3f62fded045cca047c8f

SHA256
cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7

SHA512
08495fc0b552dd7dbd5b9fcacff1ca581bb4461721458439a82d2818e0dd51499e2f97ecea74b04b6b6112e710d37dc30da72ea9bc4584e8fbe4338a89dbad79

Download Submit
\ProgramData\553736\sysmon.exe

Filesize
372KB

MD5
4beb9aa614a6adf13b28f2788eb60d10

SHA1
fa29a3a6b2e0a4411bfc3f62fded045cca047c8f

SHA256
cd5d059cb8de607c0b81521cc5ad30308624ffedadbe5e3d947eb6c4e81a63d7

SHA512
08495fc0b552dd7dbd5b9fcacff1ca581bb4461721458439a82d2818e0dd51499e2f97ecea74b04b6b6112e710d37dc30da72ea9bc4584e8fbe4338a89dbad79

Download Submit
memory/1048-86-0x0000000000BF5000-0x0000000000C06000-memory.dmp

Filesize
68KB

Download
memory/1048-98-0x0000000000BF5000-0x0000000000C06000-memory.dmp

Filesize
68KB

Download
memory/1048-96-0x0000000073C50000-0x00000000741FB000-memory.dmp

Filesize
5.7MB

Download
memory/1048-84-0x0000000073C50000-0x00000000741FB000-memory.dmp

Filesize
5.7MB

Download
memory/1048-80-0x0000000073C50000-0x00000000741FB000-memory.dmp

Filesize
5.7MB

Download
memory/1168-56-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1168-69-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1168-59-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1168-57-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1168-71-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1168-63-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1168-103-0x0000000073C50000-0x00000000741FB000-memory.dmp

Filesize
5.7MB

Download
memory/1168-101-0x0000000073C50000-0x00000000741FB000-memory.dmp

Filesize
5.7MB

Download
memory/1168-73-0x0000000073C50000-0x00000000741FB000-memory.dmp

Filesize
5.7MB

Download
memory/1236-55-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/1236-66-0x0000000000205000-0x0000000000216000-memory.dmp

Filesize
68KB

Download
memory/1236-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

Filesize
8KB

Download
memory/1236-67-0x0000000074200000-0x00000000747AB000-memory.dmp

Filesize
5.7MB

Download
memory/1856-102-0x0000000073C50000-0x00000000741FB000-memory.dmp

Filesize
5.7MB

Download
memory/1856-100-0x0000000073C50000-0x00000000741FB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads