8a9598dee0a5f5d86e7e0677056fdcdbc4834d9ba38a28a9c30336387b1f0a30

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 13:02

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General

Target

7ZipBuilder.dll
Size

78KB
MD5

bf671593d679caacd09a250a7ecb77e2
SHA1

856cf226d95d5b2946508acc0911a9d2f3f91c55
SHA256

d49e304ba399dcdd9657e339e05fd6b0bb405322381a60cdfdcf1d8c8a801b5c
SHA512

c173cc9e0647a2141d68c06be22abadf2002eff60ce56a866b4d79ee660fd87782dc191e109e100b6e44ba894f546fed9ecdfbf063814619d7420ecd28558e02
SSDEEP

1536:DoJPWvozDqtbkJEtPH/PsmA+zDf97r14z:ctGofqtQJi/PsmA+zDfV2

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 64 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\7ZipBuilder.7ZipBuilder\ = "7-Zip Builder"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2975FA55-CDD5-41AE-8120-EB82E1BF9826}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2975FA55-CDD5-41AE-8120-EB82E1BF9826}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5198A470-F9EE-49EB-948C-F8176610A8B2}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5198A470-F9EE-49EB-948C-F8176610A8B2}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5198A470-F9EE-49EB-948C-F8176610A8B2}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E03E1BF-CCC0-4616-9C0D-8204A83BAEB4}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\7ZipBuilder.7ZipBuilder.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F80CD-FB15-45E8-B359-92A41CC571A7}\AppID = "{B69F80CD-FB15-45E8-B359-92A41CC571A7}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A0F89545-DAD8-4441-9DF4-BCB106B12234}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A0F89545-DAD8-4441-9DF4-BCB106B12234}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{10BF271C-85A3-4AD4-8930-CC0E3CEEADA4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E03E1BF-CCC0-4616-9C0D-8204A83BAEB4}\ = "ISXMLAttributes"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\7ZipBuilder.7ZipBuilder.1\CLSID\ = "{B69F80CD-FB15-45E8-B359-92A41CC571A7}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2975FA55-CDD5-41AE-8120-EB82E1BF9826}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A0F89545-DAD8-4441-9DF4-BCB106B12234}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{32496CEA-3B51-4F2F-9CE7-73D6AC942C34}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5198A470-F9EE-49EB-948C-F8176610A8B2}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2975FA55-CDD5-41AE-8120-EB82E1BF9826}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{32496CEA-3B51-4F2F-9CE7-73D6AC942C34}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6D4598A7-26A1-4990-BA60-DE0E212AF93C}\TypeLib\ = "{2975FA55-CDD5-41AE-8120-EB82E1BF9826}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\7ZipBuilder.dll	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5198A470-F9EE-49EB-948C-F8176610A8B2}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F80CD-FB15-45E8-B359-92A41CC571A7}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2975FA55-CDD5-41AE-8120-EB82E1BF9826}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\7ZipBuilder.7ZipBuilder\CLSID\ = "{B69F80CD-FB15-45E8-B359-92A41CC571A7}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F80CD-FB15-45E8-B359-92A41CC571A7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F80CD-FB15-45E8-B359-92A41CC571A7}\VersionIndependentProgID\ = "7ZipBuilder.7ZipBuilder"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2975FA55-CDD5-41AE-8120-EB82E1BF9826}\1.0\ = "7ZipBuilder 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{6D4598A7-26A1-4990-BA60-DE0E212AF93C}\ = "ISXMLAttribute"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6D4598A7-26A1-4990-BA60-DE0E212AF93C}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\7ZipBuilder.7ZipBuilder\CurVer\ = "7ZipBuilder.7ZipBuilder.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{10BF271C-85A3-4AD4-8930-CC0E3CEEADA4}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E03E1BF-CCC0-4616-9C0D-8204A83BAEB4}\TypeLib\ = "{2975FA55-CDD5-41AE-8120-EB82E1BF9826}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F80CD-FB15-45E8-B359-92A41CC571A7}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E03E1BF-CCC0-4616-9C0D-8204A83BAEB4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{B69F80CD-FB15-45E8-B359-92A41CC571A7}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F80CD-FB15-45E8-B359-92A41CC571A7}\ = "7-Zip Builder"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{32496CEA-3B51-4F2F-9CE7-73D6AC942C34}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A0F89545-DAD8-4441-9DF4-BCB106B12234}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{10BF271C-85A3-4AD4-8930-CC0E3CEEADA4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6D4598A7-26A1-4990-BA60-DE0E212AF93C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\7ZipBuilder.dll\AppID = "{B69F80CD-FB15-45E8-B359-92A41CC571A7}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A0F89545-DAD8-4441-9DF4-BCB106B12234}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{32496CEA-3B51-4F2F-9CE7-73D6AC942C34}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A0F89545-DAD8-4441-9DF4-BCB106B12234}\ = "ISXMLNode"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A0F89545-DAD8-4441-9DF4-BCB106B12234}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{10BF271C-85A3-4AD4-8930-CC0E3CEEADA4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E03E1BF-CCC0-4616-9C0D-8204A83BAEB4}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F80CD-FB15-45E8-B359-92A41CC571A7}\ProgID\ = "7ZipBuilder.7ZipBuilder.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{5198A470-F9EE-49EB-948C-F8176610A8B2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E03E1BF-CCC0-4616-9C0D-8204A83BAEB4}\ = "ISXMLAttributes"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{8E03E1BF-CCC0-4616-9C0D-8204A83BAEB4}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\7ZipBuilder.7ZipBuilder\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B69F80CD-FB15-45E8-B359-92A41CC571A7}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7ZipBuilder.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{32496CEA-3B51-4F2F-9CE7-73D6AC942C34}\TypeLib\ = "{2975FA55-CDD5-41AE-8120-EB82E1BF9826}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A0F89545-DAD8-4441-9DF4-BCB106B12234}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{10BF271C-85A3-4AD4-8930-CC0E3CEEADA4}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{8E03E1BF-CCC0-4616-9C0D-8204A83BAEB4}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6D4598A7-26A1-4990-BA60-DE0E212AF93C}\ = "ISXMLAttribute"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\7ZipBuilder.7ZipBuilder.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\7ZipBuilder.7ZipBuilder	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{32496CEA-3B51-4F2F-9CE7-73D6AC942C34}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{6D4598A7-26A1-4990-BA60-DE0E212AF93C}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 1804	2036	regsvr32.exe	30
PID 2036 wrote to memory of 1804	2036	regsvr32.exe	30
PID 2036 wrote to memory of 1804	2036	regsvr32.exe	30
PID 2036 wrote to memory of 1804	2036	regsvr32.exe	30
PID 2036 wrote to memory of 1804	2036	regsvr32.exe	30
PID 2036 wrote to memory of 1804	2036	regsvr32.exe	30
PID 2036 wrote to memory of 1804	2036	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\7ZipBuilder.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\7ZipBuilder.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1804

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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