luminosity | 2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d

Analysis

max time kernel
150s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 22:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe
Size

275KB
MD5

6d59d1accc909953d5cd432b00f2e76c
SHA1

eb20fecde052bcb04d125366c17ea70c30f32122
SHA256

2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d
SHA512

50c8ee12a132d9e7803024974e9a73ceb0ef9948f64d922a80d5c8c12b9356100ab72a0d4496d1d9a35c8d70eb28f612a907636608032c03571e8afc53b19add
SSDEEP

6144:q3nDTWuBwEyoqMuOLOMVjHjNEy2/4moMkElP3tAi3lCCRNMxNF+:cnPWNEyoqMuAOMVjDNE/43+AYz

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\""	client.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\ProgramData\\123277\\client.exe\""	client.exe

Executes dropped EXE 6 IoCs

pid	Process
1032	client.exe
1228	client.exe
932	client.exe
1720	client.exe
1572	client.exe
1632	client.exe

Loads dropped DLL 7 IoCs

pid	Process
1116	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe
1116	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe
1032	client.exe
1032	client.exe
1032	client.exe
1032	client.exe
1032	client.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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Luminosity Client = "\"C:\\ProgramData\\123277\\client.exe\""	client.exe

Drops file in System32 directory 2 IoCs

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

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 1468 set thread context of 1116	1468	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe	27
PID 1032 set thread context of 932	1032	client.exe	31
PID 1032 set thread context of 1720	1032	client.exe	32
PID 1032 set thread context of 1572	1032	client.exe	33
PID 1032 set thread context of 1632	1032	client.exe	34

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 12 IoCs

pid	Process
1032	client.exe
1032	client.exe
932	client.exe
932	client.exe
932	client.exe
932	client.exe
932	client.exe
1032	client.exe
1468	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe
1468	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe
932	client.exe
932	client.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1116	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1468	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe
Token: SeDebugPrivilege	1032	client.exe
Token: SeDebugPrivilege	932	client.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
932	client.exe

Suspicious use of WriteProcessMemory 58 IoCs

description	pid	Process	procid_target
PID 1468 wrote to memory of 1116	1468	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe	27
PID 1468 wrote to memory of 1116	1468	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe	27
PID 1468 wrote to memory of 1116	1468	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe	27
PID 1468 wrote to memory of 1116	1468	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe	27
PID 1468 wrote to memory of 1116	1468	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe	27
PID 1468 wrote to memory of 1116	1468	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe	27
PID 1468 wrote to memory of 1116	1468	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe	27
PID 1468 wrote to memory of 1116	1468	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe	27
PID 1468 wrote to memory of 1116	1468	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe	27
PID 1116 wrote to memory of 1032	1116	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe	29
PID 1116 wrote to memory of 1032	1116	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe	29
PID 1116 wrote to memory of 1032	1116	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe	29
PID 1116 wrote to memory of 1032	1116	2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe	29
PID 1032 wrote to memory of 1228	1032	client.exe	30
PID 1032 wrote to memory of 1228	1032	client.exe	30
PID 1032 wrote to memory of 1228	1032	client.exe	30
PID 1032 wrote to memory of 1228	1032	client.exe	30
PID 1032 wrote to memory of 932	1032	client.exe	31
PID 1032 wrote to memory of 932	1032	client.exe	31
PID 1032 wrote to memory of 932	1032	client.exe	31
PID 1032 wrote to memory of 932	1032	client.exe	31
PID 1032 wrote to memory of 932	1032	client.exe	31
PID 1032 wrote to memory of 932	1032	client.exe	31
PID 1032 wrote to memory of 932	1032	client.exe	31
PID 1032 wrote to memory of 932	1032	client.exe	31
PID 1032 wrote to memory of 932	1032	client.exe	31
PID 932 wrote to memory of 1032	932	client.exe	29
PID 932 wrote to memory of 1032	932	client.exe	29
PID 932 wrote to memory of 1032	932	client.exe	29
PID 932 wrote to memory of 1032	932	client.exe	29
PID 932 wrote to memory of 1032	932	client.exe	29
PID 1032 wrote to memory of 1720	1032	client.exe	32
PID 1032 wrote to memory of 1720	1032	client.exe	32
PID 1032 wrote to memory of 1720	1032	client.exe	32
PID 1032 wrote to memory of 1720	1032	client.exe	32
PID 1032 wrote to memory of 1720	1032	client.exe	32
PID 1032 wrote to memory of 1720	1032	client.exe	32
PID 1032 wrote to memory of 1720	1032	client.exe	32
PID 1032 wrote to memory of 1720	1032	client.exe	32
PID 1032 wrote to memory of 1720	1032	client.exe	32
PID 1032 wrote to memory of 1572	1032	client.exe	33
PID 1032 wrote to memory of 1572	1032	client.exe	33
PID 1032 wrote to memory of 1572	1032	client.exe	33
PID 1032 wrote to memory of 1572	1032	client.exe	33
PID 1032 wrote to memory of 1572	1032	client.exe	33
PID 1032 wrote to memory of 1572	1032	client.exe	33
PID 1032 wrote to memory of 1572	1032	client.exe	33
PID 1032 wrote to memory of 1572	1032	client.exe	33
PID 1032 wrote to memory of 1572	1032	client.exe	33
PID 1032 wrote to memory of 1632	1032	client.exe	34
PID 1032 wrote to memory of 1632	1032	client.exe	34
PID 1032 wrote to memory of 1632	1032	client.exe	34
PID 1032 wrote to memory of 1632	1032	client.exe	34
PID 1032 wrote to memory of 1632	1032	client.exe	34
PID 1032 wrote to memory of 1632	1032	client.exe	34
PID 1032 wrote to memory of 1632	1032	client.exe	34
PID 1032 wrote to memory of 1632	1032	client.exe	34
PID 1032 wrote to memory of 1632	1032	client.exe	34

C:\Users\Admin\AppData\Local\Temp\2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe
"C:\Users\Admin\AppData\Local\Temp\2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1468
- C:\Users\Admin\AppData\Local\Temp\2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe
  "C:\Users\Admin\AppData\Local\Temp\2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1116
- - C:\ProgramData\123277\client.exe
    "C:\ProgramData\123277\client.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1032
  - - C:\ProgramData\123277\client.exe
      "C:\ProgramData\123277\client.exe"
      4⤵
      Executes dropped EXE
      PID:1228
  - - C:\ProgramData\123277\client.exe
      "C:\ProgramData\123277\client.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
      Suspicious use of WriteProcessMemory
      PID:932
  - - C:\ProgramData\123277\client.exe
      "C:\ProgramData\123277\client.exe"
      4⤵
      Executes dropped EXE
      PID:1720
  - - C:\ProgramData\123277\client.exe
      "C:\ProgramData\123277\client.exe"
      4⤵
      Executes dropped EXE
      PID:1572
  - - C:\ProgramData\123277\client.exe
      "C:\ProgramData\123277\client.exe"
      4⤵
      Executes dropped EXE
      PID:1632

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\123277\client.exe

Filesize
275KB

MD5
6d59d1accc909953d5cd432b00f2e76c

SHA1
eb20fecde052bcb04d125366c17ea70c30f32122

SHA256
2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d

SHA512
50c8ee12a132d9e7803024974e9a73ceb0ef9948f64d922a80d5c8c12b9356100ab72a0d4496d1d9a35c8d70eb28f612a907636608032c03571e8afc53b19add

Download Submit
C:\ProgramData\123277\client.exe

Filesize
275KB

MD5
6d59d1accc909953d5cd432b00f2e76c

SHA1
eb20fecde052bcb04d125366c17ea70c30f32122

SHA256
2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d

SHA512
50c8ee12a132d9e7803024974e9a73ceb0ef9948f64d922a80d5c8c12b9356100ab72a0d4496d1d9a35c8d70eb28f612a907636608032c03571e8afc53b19add

Download Submit
C:\ProgramData\123277\client.exe

Filesize
275KB

MD5
6d59d1accc909953d5cd432b00f2e76c

SHA1
eb20fecde052bcb04d125366c17ea70c30f32122

SHA256
2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d

SHA512
50c8ee12a132d9e7803024974e9a73ceb0ef9948f64d922a80d5c8c12b9356100ab72a0d4496d1d9a35c8d70eb28f612a907636608032c03571e8afc53b19add

Download Submit
C:\ProgramData\123277\client.exe

Filesize
275KB

MD5
6d59d1accc909953d5cd432b00f2e76c

SHA1
eb20fecde052bcb04d125366c17ea70c30f32122

SHA256
2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d

SHA512
50c8ee12a132d9e7803024974e9a73ceb0ef9948f64d922a80d5c8c12b9356100ab72a0d4496d1d9a35c8d70eb28f612a907636608032c03571e8afc53b19add

Download Submit
C:\ProgramData\123277\client.exe

Filesize
275KB

MD5
6d59d1accc909953d5cd432b00f2e76c

SHA1
eb20fecde052bcb04d125366c17ea70c30f32122

SHA256
2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d

SHA512
50c8ee12a132d9e7803024974e9a73ceb0ef9948f64d922a80d5c8c12b9356100ab72a0d4496d1d9a35c8d70eb28f612a907636608032c03571e8afc53b19add

Download Submit
C:\ProgramData\123277\client.exe

Filesize
275KB

MD5
6d59d1accc909953d5cd432b00f2e76c

SHA1
eb20fecde052bcb04d125366c17ea70c30f32122

SHA256
2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d

SHA512
50c8ee12a132d9e7803024974e9a73ceb0ef9948f64d922a80d5c8c12b9356100ab72a0d4496d1d9a35c8d70eb28f612a907636608032c03571e8afc53b19add

Download Submit
C:\ProgramData\123277\client.exe

Filesize
275KB

MD5
6d59d1accc909953d5cd432b00f2e76c

SHA1
eb20fecde052bcb04d125366c17ea70c30f32122

SHA256
2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d

SHA512
50c8ee12a132d9e7803024974e9a73ceb0ef9948f64d922a80d5c8c12b9356100ab72a0d4496d1d9a35c8d70eb28f612a907636608032c03571e8afc53b19add

Download Submit
\ProgramData\123277\client.exe

Filesize
275KB

MD5
6d59d1accc909953d5cd432b00f2e76c

SHA1
eb20fecde052bcb04d125366c17ea70c30f32122

SHA256
2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d

SHA512
50c8ee12a132d9e7803024974e9a73ceb0ef9948f64d922a80d5c8c12b9356100ab72a0d4496d1d9a35c8d70eb28f612a907636608032c03571e8afc53b19add

Download Submit
\ProgramData\123277\client.exe

Filesize
275KB

MD5
6d59d1accc909953d5cd432b00f2e76c

SHA1
eb20fecde052bcb04d125366c17ea70c30f32122

SHA256
2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d

SHA512
50c8ee12a132d9e7803024974e9a73ceb0ef9948f64d922a80d5c8c12b9356100ab72a0d4496d1d9a35c8d70eb28f612a907636608032c03571e8afc53b19add

Download Submit
\ProgramData\123277\client.exe

Filesize
275KB

MD5
6d59d1accc909953d5cd432b00f2e76c

SHA1
eb20fecde052bcb04d125366c17ea70c30f32122

SHA256
2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d

SHA512
50c8ee12a132d9e7803024974e9a73ceb0ef9948f64d922a80d5c8c12b9356100ab72a0d4496d1d9a35c8d70eb28f612a907636608032c03571e8afc53b19add

Download Submit
\ProgramData\123277\client.exe

Filesize
275KB

MD5
6d59d1accc909953d5cd432b00f2e76c

SHA1
eb20fecde052bcb04d125366c17ea70c30f32122

SHA256
2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d

SHA512
50c8ee12a132d9e7803024974e9a73ceb0ef9948f64d922a80d5c8c12b9356100ab72a0d4496d1d9a35c8d70eb28f612a907636608032c03571e8afc53b19add

Download Submit
\ProgramData\123277\client.exe

Filesize
275KB

MD5
6d59d1accc909953d5cd432b00f2e76c

SHA1
eb20fecde052bcb04d125366c17ea70c30f32122

SHA256
2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d

SHA512
50c8ee12a132d9e7803024974e9a73ceb0ef9948f64d922a80d5c8c12b9356100ab72a0d4496d1d9a35c8d70eb28f612a907636608032c03571e8afc53b19add

Download Submit
\ProgramData\123277\client.exe

Filesize
275KB

MD5
6d59d1accc909953d5cd432b00f2e76c

SHA1
eb20fecde052bcb04d125366c17ea70c30f32122

SHA256
2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d

SHA512
50c8ee12a132d9e7803024974e9a73ceb0ef9948f64d922a80d5c8c12b9356100ab72a0d4496d1d9a35c8d70eb28f612a907636608032c03571e8afc53b19add

Download Submit
\ProgramData\123277\client.exe

Filesize
275KB

MD5
6d59d1accc909953d5cd432b00f2e76c

SHA1
eb20fecde052bcb04d125366c17ea70c30f32122

SHA256
2541c264f978c2a42ff31696ee4290a9c1a0e18c6734fda36736692bb514205d

SHA512
50c8ee12a132d9e7803024974e9a73ceb0ef9948f64d922a80d5c8c12b9356100ab72a0d4496d1d9a35c8d70eb28f612a907636608032c03571e8afc53b19add

Download Submit
memory/932-92-0x0000000074F30000-0x00000000754DB000-memory.dmp

Filesize
5.7MB

Download
memory/932-102-0x0000000074F30000-0x00000000754DB000-memory.dmp

Filesize
5.7MB

Download
memory/1032-75-0x0000000074F30000-0x00000000754DB000-memory.dmp

Filesize
5.7MB

Download
memory/1032-101-0x0000000074F30000-0x00000000754DB000-memory.dmp

Filesize
5.7MB

Download
memory/1116-100-0x0000000074F30000-0x00000000754DB000-memory.dmp

Filesize
5.7MB

Download
memory/1116-57-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1116-56-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1116-64-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1116-59-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1116-61-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1116-103-0x0000000074F30000-0x00000000754DB000-memory.dmp

Filesize
5.7MB

Download
memory/1116-68-0x0000000074F30000-0x00000000754DB000-memory.dmp

Filesize
5.7MB

Download
memory/1116-66-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1468-54-0x0000000076BA1000-0x0000000076BA3000-memory.dmp

Filesize
8KB

Download
memory/1468-55-0x0000000074F30000-0x00000000754DB000-memory.dmp

Filesize
5.7MB

Download
memory/1468-104-0x0000000074F30000-0x00000000754DB000-memory.dmp

Filesize
5.7MB

Download
memory/1468-99-0x0000000074F30000-0x00000000754DB000-memory.dmp

Filesize
5.7MB

Download
memory/1572-135-0x0000000074F30000-0x00000000754DB000-memory.dmp

Filesize
5.7MB

Download
memory/1572-134-0x0000000074F30000-0x00000000754DB000-memory.dmp

Filesize
5.7MB

Download
memory/1632-150-0x0000000074F30000-0x00000000754DB000-memory.dmp

Filesize
5.7MB

Download
memory/1720-119-0x0000000074F30000-0x00000000754DB000-memory.dmp

Filesize
5.7MB

Download