f5da9737363ef4559e2cb1309fb24795a48d4443b0cba172a00f275895237cda

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
27-07-2024 17:41

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General

Target

ISTactivex.dll
Size

68KB
MD5

ac308a6d453503d97d13c37f9a5a04ab
SHA1

f36f6e9905f6f0eece254ba220a8038b124c1e72
SHA256

72849fc3a54c394e258b0e1a790ecc65eab3e012dcef61821607e94cad37443f
SHA512

3b2833b0b75dfe0b8517c9c0f4818c91518500fb55d8ffc32fa8d4e733bf5aef8689b5998b771c35eafa73ed2cac8e9d75942023c72fd5abaf5d09badf0e8762
SSDEEP

768:dMGLECDlSE0HX0b1ZWfsIX946V7fLEYX8c8vlT3/pBaem6oriko8fr:+G4jg1ZMVX94s7fAYmR3/pBaeUrik

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 35 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0985C112-2562-46F2-8DA6-92648BA4630F}\ = "IInstaller"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0985C112-2562-46F2-8DA6-92648BA4630F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C559105-9ECF-42b8-B3F7-832E75EDD959}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C559105-9ECF-42b8-B3F7-832E75EDD959}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ISTactivex.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67907B3C-A6EF-4A01-99AD-3FCD5F526429}\1.1\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0985C112-2562-46F2-8DA6-92648BA4630F}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0985C112-2562-46F2-8DA6-92648BA4630F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ISTx.Installer\CLSID\ = "{7C559105-9ECF-42b8-B3F7-832E75EDD959}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C559105-9ECF-42b8-B3F7-832E75EDD959}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67907B3C-A6EF-4A01-99AD-3FCD5F526429}\1.1\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0985C112-2562-46F2-8DA6-92648BA4630F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67907B3C-A6EF-4A01-99AD-3FCD5F526429}\1.1\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0985C112-2562-46F2-8DA6-92648BA4630F}\ = "IInstaller"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0985C112-2562-46F2-8DA6-92648BA4630F}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ISTx.Installer\ = "Installer Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C559105-9ECF-42b8-B3F7-832E75EDD959}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C559105-9ECF-42b8-B3F7-832E75EDD959}\ProgID\ = "ISTx.Installer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67907B3C-A6EF-4A01-99AD-3FCD5F526429}\1.1\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0985C112-2562-46F2-8DA6-92648BA4630F}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67907B3C-A6EF-4A01-99AD-3FCD5F526429}\1.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67907B3C-A6EF-4A01-99AD-3FCD5F526429}\1.1\ = "IST 1.1 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67907B3C-A6EF-4A01-99AD-3FCD5F526429}\1.1\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0985C112-2562-46F2-8DA6-92648BA4630F}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0985C112-2562-46F2-8DA6-92648BA4630F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ISTx.Installer\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67907B3C-A6EF-4A01-99AD-3FCD5F526429}\1.1\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0985C112-2562-46F2-8DA6-92648BA4630F}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0985C112-2562-46F2-8DA6-92648BA4630F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C559105-9ECF-42b8-B3F7-832E75EDD959}\ = "Installer Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67907B3C-A6EF-4A01-99AD-3FCD5F526429}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{0985C112-2562-46F2-8DA6-92648BA4630F}\TypeLib\ = "{67907B3C-A6EF-4A01-99AD-3FCD5F526429}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ISTx.Installer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7C559105-9ECF-42b8-B3F7-832E75EDD959}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{67907B3C-A6EF-4A01-99AD-3FCD5F526429}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ISTactivex.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{0985C112-2562-46F2-8DA6-92648BA4630F}\TypeLib\ = "{67907B3C-A6EF-4A01-99AD-3FCD5F526429}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 2100	1648	regsvr32.exe	30
PID 1648 wrote to memory of 2100	1648	regsvr32.exe	30
PID 1648 wrote to memory of 2100	1648	regsvr32.exe	30
PID 1648 wrote to memory of 2100	1648	regsvr32.exe	30
PID 1648 wrote to memory of 2100	1648	regsvr32.exe	30
PID 1648 wrote to memory of 2100	1648	regsvr32.exe	30
PID 1648 wrote to memory of 2100	1648	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ISTactivex.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ISTactivex.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2100

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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