44199c03f51fa3f927754421c3d81c352ac3d8c8890cb8bdd3b620a63682e08a

Analysis

max time kernel
148s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
12/10/2026, 19:32

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General

Target
jaffacakes118_Trojan-Downloader.Win32.IstBar.gen.dll
Size 32KB
Sample261012-x88baszth1
SHA256 44199c03f51fa3f927754421c3d81c352ac3d8c8890cb8bdd3b620a63682e08a
MD5 edcade6d3257041b76cd6b59395cddb0
SHA1 0e3e2709ce73c03ce121ecb7a13928fa4a4ebf1c
SHA512 cc46356c10911c1e7970fbc0b42429227aef53664410401c614edc67b5ea5eb2eccd0894e959195027a89de23c3095d505e6d43b96b0434dc81aea3fc3803288
SSDEEP 384:G41vA0jZf/JHJ8Q1+Bkq8/iybQE5FcUPXEL:GmvJjZfRSQgiqGiybQE5FvPX
TLSH
T14FE25B113BF2C1F2E36941311A6226B566FAFF148DE900577BE53B2D0E32046DE16B26
MD5 SHA1 SHA512 SSDEEP TLSH

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 55 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ISTactivex.Installer\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\MiscStatus\1\ = "132497"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8C752C5E-3C10-4076-AF0A-FFC69FA20D1B}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jaffacakes118_Trojan-Downloader.Win32.IstBar.gen.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ISTactivex.Installer.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8C752C5E-3C10-4076-AF0A-FFC69FA20D1B}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9388907F-82F5-434D-A941-BB802C6DD7C1}\ = "IInstaller"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9388907F-82F5-434D-A941-BB802C6DD7C1}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9388907F-82F5-434D-A941-BB802C6DD7C1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9388907F-82F5-434D-A941-BB802C6DD7C1}\TypeLib\ = "{8C752C5E-3C10-4076-AF0A-FFC69FA20D1B}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\MiscStatus\1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ISTactivex.Installer.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ISTactivex.Installer\ = "Installer Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ISTactivex.Installer\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8C752C5E-3C10-4076-AF0A-FFC69FA20D1B}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8C752C5E-3C10-4076-AF0A-FFC69FA20D1B}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8C752C5E-3C10-4076-AF0A-FFC69FA20D1B}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8C752C5E-3C10-4076-AF0A-FFC69FA20D1B}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ISTactivex.Installer\CurVer\ = "ISTactivex.Installer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\ProgID\ = "ISTactivex.Installer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\VersionIndependentProgID\ = "ISTactivex.Installer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8C752C5E-3C10-4076-AF0A-FFC69FA20D1B}\1.0\ = "ISTactivex 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8C752C5E-3C10-4076-AF0A-FFC69FA20D1B}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9388907F-82F5-434D-A941-BB802C6DD7C1}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9388907F-82F5-434D-A941-BB802C6DD7C1}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ISTactivex.Installer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\ = "Installer Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\MiscStatus\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\TypeLib\ = "{8C752C5E-3C10-4076-AF0A-FFC69FA20D1B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9388907F-82F5-434D-A941-BB802C6DD7C1}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ISTactivex.Installer.1\ = "Installer Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\ToolboxBitmap32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\Version\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8C752C5E-3C10-4076-AF0A-FFC69FA20D1B}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{8C752C5E-3C10-4076-AF0A-FFC69FA20D1B}\1.0\FLAGS\ = "0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9388907F-82F5-434D-A941-BB802C6DD7C1}\TypeLib\ = "{8C752C5E-3C10-4076-AF0A-FFC69FA20D1B}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9388907F-82F5-434D-A941-BB802C6DD7C1}\ = "IInstaller"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jaffacakes118_Trojan-Downloader.Win32.IstBar.gen.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\jaffacakes118_Trojan-Downloader.Win32.IstBar.gen.dll, 101"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\MiscStatus	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9388907F-82F5-434D-A941-BB802C6DD7C1}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9388907F-82F5-434D-A941-BB802C6DD7C1}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ISTactivex.Installer.1\CLSID\ = "{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ISTactivex.Installer\CLSID\ = "{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{018B7EC3-EECA-11D3-8E71-0000E82C6C0D}\Control	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{9388907F-82F5-434D-A941-BB802C6DD7C1}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9388907F-82F5-434D-A941-BB802C6DD7C1}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9388907F-82F5-434D-A941-BB802C6DD7C1}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 2480	3688	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.IstBar.gen.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3688
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan-Downloader.Win32.IstBar.gen.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2480

Network

MITRE ATT&CK Enterprise v16

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 v16

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