15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7

General

Target

15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe
Size

16KB
MD5

c7f95d5c5af1f692d3f2598bc50d4d77
SHA1

6be527a276858f9abd93e877daa593cba6badf57
SHA256

15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7
SHA512

90dfb9698081beebad9710c688239ce0662bb3f1576f5e5eae0be7eac347b48877e4e3048104290ec5679733d42713f108594d43bd5ad6530181da83351a58a7
SSDEEP

192:f8DSn5Fh1Z8F274/JQtCBdH0dHRdHwdHPH1SdHK18G+j5P:fGSDh1Z8jxQtCBqrmuw+B

Score

8^/10

persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\PrinterSecurityLayer = "C:\\Windows\\LSPRN.EXE"	15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	LSPRN.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\PrinterSecurityLayer = "C:\\Windows\\LSPRN.EXE"	LSPRN.EXE

Executes dropped EXE 1 IoCs

pid	Process
332	LSPRN.EXE

Sets file execution options in registry 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\Debugger = "0"	15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\Debugger = "0"	15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe	LSPRN.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\taskmgr.exe\Debugger = "0"	LSPRN.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe	LSPRN.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\regedit.exe\Debugger = "0"	LSPRN.EXE

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Printer Driver = "C:\\Windows\\system32\\PRINTDRV.EXE"	15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Printer Driver = "C:\\Windows\\system32\\PRINTDRV.EXE"	LSPRN.EXE

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\LSPRN.EXE	15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe
File created	C:\Windows\LSPRN.EXE	15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 6 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN\	LSPRN.EXE
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN\iexplore.exe = "0"	LSPRN.EXE
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Security\DisableSecuritySettingsCheck = "1"	15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN\	15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\MAIN\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN\iexplore.exe = "0"	15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\Security\DisableSecuritySettingsCheck = "1"	LSPRN.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 332	1420	15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe	28
PID 1420 wrote to memory of 332	1420	15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe	28
PID 1420 wrote to memory of 332	1420	15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe	28
PID 1420 wrote to memory of 332	1420	15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe	28

C:\Users\Admin\AppData\Local\Temp\15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe
"C:\Users\Admin\AppData\Local\Temp\15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7.exe"
1⤵
- Adds policy Run key to start application
- Sets file execution options in registry
- Adds Run key to start application
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Windows\LSPRN.EXE
  "C:\Windows\LSPRN.EXE"
  2⤵
  - Adds policy Run key to start application
  - Executes dropped EXE
  - Sets file execution options in registry
  - Adds Run key to start application
  - Modifies Internet Explorer settings
  PID:332

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

3

T1060

Privilege Escalation

Defense Evasion

Modify Registry

4

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\LSPRN.EXE

Filesize
16KB

MD5
c7f95d5c5af1f692d3f2598bc50d4d77

SHA1
6be527a276858f9abd93e877daa593cba6badf57

SHA256
15ab6dc2b83e7b43dcb6b0ad44008b40ffc49af89d04880b01015c5c31b94fa7

SHA512
90dfb9698081beebad9710c688239ce0662bb3f1576f5e5eae0be7eac347b48877e4e3048104290ec5679733d42713f108594d43bd5ad6530181da83351a58a7

Download Submit
memory/1420-54-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads