221e8ed761bb45fb42c5a53b0fb1a2dd44c08766a48d5b0435507d5d198f0cac

Analysis

max time kernel
91s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 12:41 UTC

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General

Target

MCI32.dll
Size

194KB
MD5

6c5346d995b1ac78dd71e44c848152fc
SHA1

d8dc5a26c8ec4cdd6ee2c8bd68c62f72216650c5
SHA256

ab154ad5651c345c6b00e393fb7abd6d20fe2abf0e69b19625d3784000fe9e22
SHA512

798a7feb7a139ee1fcf870d1888ff7cd2e72266f8f7eacbfc36a98123cf4ce849958d8c712b5c1b2eae94b022921cd39b3a0a386470c14de87eec5d253ab84b7
SSDEEP

6144:iqb1TSnGgwwOXFT1v2fNR+pnxQNh1E8Q7j:iqnVX32fNR+pnxQNyf

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\WOW6432Node\CLSID\{1EFD6A40-3999-11CF-9150-00AA0059F70D}\ = "MCI General Property Page Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3775D2E0-7C5D-11CF-899E-00AA00688B10}\ = "MCI Controls Property Page Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}\TypeLib\ = "{C1A8AF28-1257-101B-8FB0-0020AF039CA3}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MCI.MMControl.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\MiscStatus\1\ = "131473"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\ToolboxBitmap32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B7ABC220-DF71-11CF-8E74-00A0C90F26F8}\ = "Imci"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MCI.MMControl\ = "Microsoft Multimedia Control, version 6.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MCI.MMControl.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MCI.MMControl.1\ = "Microsoft Multimedia Control, version 6.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib\ = "{C1A8AF28-1257-101B-8FB0-0020AF039CA3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B7ABC220-DF71-11CF-8E74-00A0C90F26F8}\ = "Imci"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MCI32.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C1A8AF28-1257-101B-8FB0-0020AF039CA3}\1.1\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\TypeLib\ = "{C1A8AF28-1257-101B-8FB0-0020AF039CA3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B7ABC220-DF71-11CF-8E74-00A0C90F26F8}\TypeLib\Version = "1.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\Implemented Categories\{0DE86A53-2BAA-11CF-A229-00AA003D7352}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C1A8AF28-1257-101B-8FB0-0020AF039CA3}\1.1\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C1A8AF28-1257-101B-8FB0-0020AF039CA3}\1.1\FLAGS\ = "2"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}\ = "DmciEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C1A8AF28-1257-101B-8FB0-0020AF039CA3}\1.1\ = "Microsoft Multimedia Control 6.0 (SP3)"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C1A8AF28-1257-101B-8FB0-0020AF039CA3}\1.1\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B7ABC220-DF71-11CF-8E74-00A0C90F26F8}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\Control	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MCI.MMControl\CLSID\ = "{C1A8AF25-1257-101B-8FB0-0020AF039CA3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\MCI.MMControl\CurVer\ = "MCI.MMControl.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\MiscStatus\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\Implemented Categories\{0DE86A52-2BAA-11CF-A229-00AA003D7352}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1EFD6A40-3999-11CF-9150-00AA0059F70D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{C1A8AF28-1257-101B-8FB0-0020AF039CA3}\1.1\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MCI32.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B7ABC220-DF71-11CF-8E74-00A0C90F26F8}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\ = "Microsoft Multimedia Control, version 6.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\ProgID\ = "MCI.MMControl.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\ToolboxBitmap32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MCI32.dll, 1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B7ABC220-DF71-11CF-8E74-00A0C90F26F8}\TypeLib\ = "{C1A8AF28-1257-101B-8FB0-0020AF039CA3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B7ABC220-DF71-11CF-8E74-00A0C90F26F8}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}\TypeLib\Version = "1.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B1-713E-11CF-8AE5-00AA00C00905}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\TypeLib\ = "{C1A8AF28-1257-101B-8FB0-0020AF039CA3}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}\ProxyStubClsid32\ = "{00020420-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{C1A8AF27-1257-101B-8FB0-0020AF039CA3}\TypeLib\ = "{C1A8AF28-1257-101B-8FB0-0020AF039CA3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\TypeLib\ = "{C1A8AF28-1257-101B-8FB0-0020AF039CA3}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{2334D2B3-713E-11CF-8AE5-00AA00C00905}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C1A8AF25-1257-101B-8FB0-0020AF039CA3}\TypeLib\ = "{C1A8AF28-1257-101B-8FB0-0020AF039CA3}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B7ABC220-DF71-11CF-8E74-00A0C90F26F8}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4880 wrote to memory of 4676	4880	regsvr32.exe	81
PID 4880 wrote to memory of 4676	4880	regsvr32.exe	81
PID 4880 wrote to memory of 4676	4880	regsvr32.exe	81

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\MCI32.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4880
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\MCI32.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4676

Network

DNS

58.55.71.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

58.55.71.13.in-addr.arpa

IN PTR

Response
DNS

172.214.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.214.232.199.in-addr.arpa

IN PTR

Response
DNS

2.159.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

2.159.190.20.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

86.23.85.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

86.23.85.13.in-addr.arpa

IN PTR

Response
DNS

198.187.3.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

198.187.3.20.in-addr.arpa

IN PTR

Response
DNS

75.117.19.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

75.117.19.2.in-addr.arpa

IN PTR

Response

75.117.19.2.in-addr.arpa

IN PTR

a2-19-117-75deploystaticakamaitechnologiescom

No results found

8.8.8.8:53

58.55.71.13.in-addr.arpa

dns

70 B
144 B
1
1

DNS Request

58.55.71.13.in-addr.arpa
8.8.8.8:53

172.214.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.214.232.199.in-addr.arpa
8.8.8.8:53

2.159.190.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

2.159.190.20.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

86.23.85.13.in-addr.arpa

dns

70 B
144 B
1
1

DNS Request

86.23.85.13.in-addr.arpa
8.8.8.8:53

198.187.3.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

198.187.3.20.in-addr.arpa
8.8.8.8:53

75.117.19.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

75.117.19.2.in-addr.arpa

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

Windows 7 deprecation

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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