bb54d934fb889f8ee44c4dfd86cec68b92a95415ad13b3068035f2ec6f381804

Analysis

max time kernel
124s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2024, 00:07

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General

Target

MP4转换器/codecs/LCODCCMW2E.dll
Size

80KB
MD5

c6d60319f58a9c7746f822642f3c4789
SHA1

0e88522f74dc3906ff792db75bd4a42ad5f883c5
SHA256

d86df25e57338a96febaa4a2ab57e99af141c994b151660d06aeb9a83d539d24
SHA512

99a3aece7b16c422e05f33ade61f9fe4f6e0a983691257d2ccf2a2442ea4b5e859b20bc21b51a3096a3eacb6717e8d8b4a4877aa48158aae375f6469eed87954
SSDEEP

1536:Oap0tsIJJZ4RqEv56dfE+SG09MrC6HsL8fnapoqyYnb3Xi:ONsIJ4lv5iM+StZ6HsA/SoqyYy

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 32 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC56-38C5-11D5-91F6-00104BDB8FF9}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC59-38C5-11D5-91F6-00104BDB8FF9}\ = "LEAD MCMW2 Enc Control "	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC56-38C5-11D5-91F6-00104BDB8FF9}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MP4???\\codecs\\LCODCCMW2E.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E2B7DC55-38C5-11D5-91F6-00104BDB8FF9}\CLSID = "{E2B7DC55-38C5-11D5-91F6-00104BDB8FF9}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33D9A760-90C8-11D0-BD43-00A0C911CE86}\Instance\LEAD MCMW Encoder 2.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E2B7DC55-38C5-11D5-91F6-00104BDB8FF9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC5A-38C5-11D5-91F6-00104BDB8FF9}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E2B7DC56-38C5-11D5-91F6-00104BDB8FF9}\FriendlyName = "LEAD MCMW Decoder 2.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33D9A760-90C8-11D0-BD43-00A0C911CE86}\Instance\LEAD MCMW Encoder 2.0\CLSID = "{E2B7DC55-38C5-11D5-91F6-00104BDB8FF9}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC5A-38C5-11D5-91F6-00104BDB8FF9}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MP4???\\codecs\\LCODCCMW2E.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC56-38C5-11D5-91F6-00104BDB8FF9}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC5A-38C5-11D5-91F6-00104BDB8FF9}\ = "LEAD MCMW2 Dec Control "	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC5A-38C5-11D5-91F6-00104BDB8FF9}\InprocServer32	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E2B7DC56-38C5-11D5-91F6-00104BDB8FF9}\FilterData = 0200000000006000020000000000000030706933000000000000000001000000000000000000000030747933000000008000000090000000317069330800000000000000030000000000000000000000307479330000000080000000a0000000317479330000000080000000b0000000327479330000000080000000c00000007669647300001000800000aa00389b714c43573200001000800000aa00389b717deb36e44f52ce119f530020af0ba7707aeb36e44f52ce119f530020af0ba7704c47525900001000800000aa00389b71	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC55-38C5-11D5-91F6-00104BDB8FF9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC59-38C5-11D5-91F6-00104BDB8FF9}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MP4???\\codecs\\LCODCCMW2E.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC5A-38C5-11D5-91F6-00104BDB8FF9}	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E2B7DC55-38C5-11D5-91F6-00104BDB8FF9}\FilterData = 0200000000002000020000000000000030706933000000000000000003000000000000000000000030747933000000008000000090000000317479330000000080000000a0000000327479330000000080000000b0000000317069330800000000000000010000000000000000000000307479330000000080000000c00000007669647300001000800000aa00389b717deb36e44f52ce119f530020af0ba7707aeb36e44f52ce119f530020af0ba7704c47525900001000800000aa00389b714c43573200001000800000aa00389b71	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33D9A760-90C8-11D0-BD43-00A0C911CE86}\Instance\LEAD MCMW Encoder 2.0\FilterData = 0200000000002000020000000000000030706933000000000000000003000000000000000000000030747933000000008000000090000000317479330000000080000000a0000000327479330000000080000000b0000000317069330800000000000000010000000000000000000000307479330000000080000000c00000007669647300001000800000aa00389b717deb36e44f52ce119f530020af0ba7707aeb36e44f52ce119f530020af0ba7704c47525900001000800000aa00389b714c43573200001000800000aa00389b71	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC55-38C5-11D5-91F6-00104BDB8FF9}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC56-38C5-11D5-91F6-00104BDB8FF9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC59-38C5-11D5-91F6-00104BDB8FF9}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E2B7DC56-38C5-11D5-91F6-00104BDB8FF9}\CLSID = "{E2B7DC56-38C5-11D5-91F6-00104BDB8FF9}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC55-38C5-11D5-91F6-00104BDB8FF9}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC59-38C5-11D5-91F6-00104BDB8FF9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E2B7DC56-38C5-11D5-91F6-00104BDB8FF9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{33D9A760-90C8-11D0-BD43-00A0C911CE86}\Instance\LEAD MCMW Encoder 2.0\FriendlyName = "LEAD MCMW Encoder 2.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC55-38C5-11D5-91F6-00104BDB8FF9}\ = "LEAD MCMW Encoder 2.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC56-38C5-11D5-91F6-00104BDB8FF9}\ = "LEAD MCMW Decoder 2.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC59-38C5-11D5-91F6-00104BDB8FF9}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{083863F1-70DE-11D0-BD40-00A0C911CE86}\Instance\{E2B7DC55-38C5-11D5-91F6-00104BDB8FF9}\FriendlyName = "LEAD MCMW Encoder 2.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E2B7DC55-38C5-11D5-91F6-00104BDB8FF9}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MP4???\\codecs\\LCODCCMW2E.dll"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 3664	220	regsvr32.exe	89
PID 220 wrote to memory of 3664	220	regsvr32.exe	89
PID 220 wrote to memory of 3664	220	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\MP4转换器\codecs\LCODCCMW2E.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:220
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\MP4转换器\codecs\LCODCCMW2E.dll
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:3664

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4348,i,11391966286255097843,10588851088187498028,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:8
1⤵
PID:1204

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

Windows 7 deprecation

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