33866f417f1d15c4644093a525b6403eda961a82b12a71ccc2d94d740fdfaaef

Analysis

max time kernel
125s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
04/07/2024, 03:48

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General

Target

2487578dee870294c99a0814dc0e2388_JaffaCakes118.dll
Size

407KB
MD5

2487578dee870294c99a0814dc0e2388
SHA1

a4c42fc364d6c505dbdcb5e349cae25a5ac5ee36
SHA256

33866f417f1d15c4644093a525b6403eda961a82b12a71ccc2d94d740fdfaaef
SHA512

85b472c2e2a918985db2fb04e713e23e9390f18e78f6cb6a1e71d1dbdbe09a4ad1e530db919e39c8dbe76743d0694440344e4f81cd67639a2fbc8becd1839b45
SSDEEP

12288:PnpgYGr8IpmUcA5N30wGbX4vQ3/M6f0bMRVFw:PRkMlA5d0/Ivc9Y

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN\iexplore.exe = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Explorer Bars\{D33A4613-EAFC-4A4D-9B53-303624C2F38E}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Explorer Bars\{D33A4613-EAFC-4A4D-9B53-303624C2F38E}\	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{D33A4613-EAFC-4A4D-9B53-303624C2F38E}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{D33A4613-EAFC-4A4D-9B53-303624C2F38E}\BarSize = fd00000000000000	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_LOCALMACHINE_LOCKDOWN	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Explorer Bars\{D33A4613-EAFC-4A4D-9B53-303624C2F38E}\BarSize = fd00000000000000	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D33A4613-EAFC-4A4D-9B53-303624C2F38E}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D33A4613-EAFC-4A4D-9B53-303624C2F38E}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2487578dee870294c99a0814dc0e2388_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D33A4613-EAFC-4A4D-9B53-303624C2F38E}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D33A4613-EAFC-4A4D-9B53-303624C2F38E}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D33A4613-EAFC-4A4D-9B53-303624C2F38E}\Implemented Categories\{00021493-0000-0000-C000-000000000046}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D33A4613-EAFC-4A4D-9B53-303624C2F38E}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D33A4613-EAFC-4A4D-9B53-303624C2F38E}\ = "Gcodec Mini"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D33A4613-EAFC-4A4D-9B53-303624C2F38E}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D33A4613-EAFC-4A4D-9B53-303624C2F38E}\Implemented Categories	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 448	1800	regsvr32.exe	88
PID 1800 wrote to memory of 448	1800	regsvr32.exe	88
PID 1800 wrote to memory of 448	1800	regsvr32.exe	88

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\2487578dee870294c99a0814dc0e2388_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\2487578dee870294c99a0814dc0e2388_JaffaCakes118.dll
  2⤵
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:448

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 --no-appcompat-clear --field-trial-handle=3760,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=3800 /prefetch:8
1⤵
PID:3456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/448-0-0x0000000000400000-0x0000000000553000-memory.dmp

Filesize
1.3MB

Download
memory/448-1-0x0000000000E10000-0x0000000000E13000-memory.dmp

Filesize
12KB

Download
memory/448-2-0x0000000000E10000-0x0000000000E13000-memory.dmp

Filesize
12KB

Download