e275e8febf42d63d37ded05b4e6aacc1b36b9ace6318cd09d65b822037464c37

Analysis

max time kernel
15s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25-08-2024 06:28

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General

Target

$SYSDIR/printCtl4RA.dll
Size

124KB
MD5

a89ea3892bfe94be61231dedc9263cd8
SHA1

768a8e6a08621f22447567dd96fde590071696ef
SHA256

12d5a0d88d72b088face2209427d1d9f116179eb48a90da27902f5712590d86c
SHA512

d3bc89d4fdd2de9b6cd2ea11cc3c12f6a524c7f07164590bdc8f12f36cc59432ff0dd8cb63bcbf40fa18cc064ba5646fa2c0c931439c6f8d39579676e0d16761
SSDEEP

3072:H5mgucQOCStrFrfaRqUgLRy2J0kGAqb9icB/KLY:xCSrtLZJ0OC5/1

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 56 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{56B8E9B3-B5A7-4435-B66A-AF624BD92D74}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\PRINTC~1.DLL, 101"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\MiscStatus	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\MiscStatus\1\ = "131473"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3762ABC3-D228-4CA4-B50D-7E5CD3B24F02}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3762ABC3-D228-4CA4-B50D-7E5CD3B24F02}\1.0\ = "printCtl4RA 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PrintCtl4RA.ctl4RA.1\ = "ctl4RA Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PrintCtl4RA.ctl4RA\ = "ctl4RA Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\Control	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\Version\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PrintCtl4RA.ctl4RA.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PrintCtl4RA.ctl4RA.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PrintCtl4RA.ctl4RA\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\MiscStatus\1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{56B8E9B3-B5A7-4435-B66A-AF624BD92D74}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PrintCtl4RA.ctl4RA	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\Insertable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3762ABC3-D228-4CA4-B50D-7E5CD3B24F02}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{56B8E9B3-B5A7-4435-B66A-AF624BD92D74}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\VersionIndependentProgID\ = "PrintCtl4RA.ctl4RA"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3762ABC3-D228-4CA4-B50D-7E5CD3B24F02}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3762ABC3-D228-4CA4-B50D-7E5CD3B24F02}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PrintCtl4RA.ctl4RA.1\CLSID\ = "{27984DB8-C851-439E-B625-81740482BE7C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{56B8E9B3-B5A7-4435-B66A-AF624BD92D74}\ = "Ictl4RA"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{56B8E9B3-B5A7-4435-B66A-AF624BD92D74}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PrintCtl4RA.ctl4RA\CurVer\ = "PrintCtl4RA.ctl4RA.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3762ABC3-D228-4CA4-B50D-7E5CD3B24F02}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\printCtl4RA.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{56B8E9B3-B5A7-4435-B66A-AF624BD92D74}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{56B8E9B3-B5A7-4435-B66A-AF624BD92D74}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{56B8E9B3-B5A7-4435-B66A-AF624BD92D74}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{56B8E9B3-B5A7-4435-B66A-AF624BD92D74}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\ProgID\ = "PrintCtl4RA.ctl4RA.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3762ABC3-D228-4CA4-B50D-7E5CD3B24F02}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3762ABC3-D228-4CA4-B50D-7E5CD3B24F02}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3762ABC3-D228-4CA4-B50D-7E5CD3B24F02}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\ToolboxBitmap32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{3762ABC3-D228-4CA4-B50D-7E5CD3B24F02}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{56B8E9B3-B5A7-4435-B66A-AF624BD92D74}\ = "Ictl4RA"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{56B8E9B3-B5A7-4435-B66A-AF624BD92D74}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{56B8E9B3-B5A7-4435-B66A-AF624BD92D74}\TypeLib\ = "{3762ABC3-D228-4CA4-B50D-7E5CD3B24F02}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PrintCtl4RA.ctl4RA\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\MiscStatus\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{56B8E9B3-B5A7-4435-B66A-AF624BD92D74}\TypeLib\ = "{3762ABC3-D228-4CA4-B50D-7E5CD3B24F02}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{56B8E9B3-B5A7-4435-B66A-AF624BD92D74}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PrintCtl4RA.ctl4RA\CLSID\ = "{27984DB8-C851-439E-B625-81740482BE7C}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\ = "ctl4RA Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\$SYSDIR\\PRINTC~1.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{27984DB8-C851-439E-B625-81740482BE7C}\TypeLib\ = "{3762ABC3-D228-4CA4-B50D-7E5CD3B24F02}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 2956	1656	regsvr32.exe	30
PID 1656 wrote to memory of 2956	1656	regsvr32.exe	30
PID 1656 wrote to memory of 2956	1656	regsvr32.exe	30
PID 1656 wrote to memory of 2956	1656	regsvr32.exe	30
PID 1656 wrote to memory of 2956	1656	regsvr32.exe	30
PID 1656 wrote to memory of 2956	1656	regsvr32.exe	30
PID 1656 wrote to memory of 2956	1656	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$SYSDIR\printCtl4RA.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\$SYSDIR\printCtl4RA.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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