cd90928a6f7c0fe43cf0cb54135232c85e1bd300a5350331a0881f69117805a2

Analysis

max time kernel
134s
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
19-08-2024 06:01

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General

Target

a9dd3e4e413e8417a264514b98aabba6_JaffaCakes118.dll
Size

88KB
MD5

a9dd3e4e413e8417a264514b98aabba6
SHA1

c3df7f9b87018f5c4c2e7aeab1e963cc76aa6c23
SHA256

cd90928a6f7c0fe43cf0cb54135232c85e1bd300a5350331a0881f69117805a2
SHA512

ba1e2dc82e597699afdaca0ed237b462f410c1e910c2dd992a96422a0ca87f31964bffda88e2e92f23c4bf0cc84892bd63cffecefd077c1c670aafc35ae165eb
SSDEEP

1536:U+cJwHs0+ssVlK/WTgPaqCpXtJ/cr25kDKclWt7c3:lcKMf2ZBeqekDKcct7c3

Score

6^/10

adware discovery stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3AE06CEE-58A6-4F5F-AF89-6C5350842F16}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{3AE06CEE-58A6-4F5F-AF89-6C5350842F16}\ = "SafeMe Internet Explorer Helper"	regsvr32.exe

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 46 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71638D42-66A2-48ED-A4D4-AD8ABBDF3D13}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7E67BF8E-A866-42A3-88F7-47947F2D7F72}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7E67BF8E-A866-42A3-88F7-47947F2D7F72}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7E67BF8E-A866-42A3-88F7-47947F2D7F72}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3AE06CEE-58A6-4F5F-AF89-6C5350842F16}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71638D42-66A2-48ED-A4D4-AD8ABBDF3D13}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71638D42-66A2-48ED-A4D4-AD8ABBDF3D13}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a9dd3e4e413e8417a264514b98aabba6_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7E67BF8E-A866-42A3-88F7-47947F2D7F72}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7E67BF8E-A866-42A3-88F7-47947F2D7F72}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7E67BF8E-A866-42A3-88F7-47947F2D7F72}\TypeLib\ = "{71638D42-66A2-48ED-A4D4-AD8ABBDF3D13}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SafeHelper11.CBhoSafeHlpObject	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SafeHelper11.CBhoSafeHlpObject\ = "SafeMe Internet Explorer Helper"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SafeHelper11.CBhoSafeHlpObject\CurVer\ = "SafeHelper11.CBhoSafeHlpObject.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3AE06CEE-58A6-4F5F-AF89-6C5350842F16}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3AE06CEE-58A6-4F5F-AF89-6C5350842F16}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3AE06CEE-58A6-4F5F-AF89-6C5350842F16}\TypeLib\ = "{71638D42-66A2-48ED-A4D4-AD8ABBDF3D13}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71638D42-66A2-48ED-A4D4-AD8ABBDF3D13}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3AE06CEE-58A6-4F5F-AF89-6C5350842F16}\ = "SafeMe Internet Explorer Helper"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3AE06CEE-58A6-4F5F-AF89-6C5350842F16}\VersionIndependentProgID\ = "SafeHelper11.CBhoSafeHlpObject"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71638D42-66A2-48ED-A4D4-AD8ABBDF3D13}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7E67BF8E-A866-42A3-88F7-47947F2D7F72}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7E67BF8E-A866-42A3-88F7-47947F2D7F72}\TypeLib\ = "{71638D42-66A2-48ED-A4D4-AD8ABBDF3D13}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SafeHelper11.CBhoSafeHlpObject.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SafeHelper11.CBhoSafeHlpObject.1\CLSID\ = "{3AE06CEE-58A6-4F5F-AF89-6C5350842F16}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SafeHelper11.CBhoSafeHlpObject\CLSID\ = "{3AE06CEE-58A6-4F5F-AF89-6C5350842F16}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SafeHelper11.CBhoSafeHlpObject\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3AE06CEE-58A6-4F5F-AF89-6C5350842F16}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3AE06CEE-58A6-4F5F-AF89-6C5350842F16}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71638D42-66A2-48ED-A4D4-AD8ABBDF3D13}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SafeHelper11.CBhoSafeHlpObject\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3AE06CEE-58A6-4F5F-AF89-6C5350842F16}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\a9dd3e4e413e8417a264514b98aabba6_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7E67BF8E-A866-42A3-88F7-47947F2D7F72}\ = "ICBhoSafeHlpObject"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7E67BF8E-A866-42A3-88F7-47947F2D7F72}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3AE06CEE-58A6-4F5F-AF89-6C5350842F16}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3AE06CEE-58A6-4F5F-AF89-6C5350842F16}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71638D42-66A2-48ED-A4D4-AD8ABBDF3D13}\1.0\ = "SafeHelper11 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71638D42-66A2-48ED-A4D4-AD8ABBDF3D13}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7E67BF8E-A866-42A3-88F7-47947F2D7F72}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7E67BF8E-A866-42A3-88F7-47947F2D7F72}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7E67BF8E-A866-42A3-88F7-47947F2D7F72}\ = "ICBhoSafeHlpObject"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SafeHelper11.CBhoSafeHlpObject.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SafeHelper11.CBhoSafeHlpObject.1\ = "SafeMe Internet Explorer Helper"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3AE06CEE-58A6-4F5F-AF89-6C5350842F16}\ProgID\ = "SafeHelper11.CBhoSafeHlpObject.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71638D42-66A2-48ED-A4D4-AD8ABBDF3D13}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{71638D42-66A2-48ED-A4D4-AD8ABBDF3D13}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{7E67BF8E-A866-42A3-88F7-47947F2D7F72}\ProxyStubClsid32	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3400 wrote to memory of 1892	3400	regsvr32.exe	91
PID 3400 wrote to memory of 1892	3400	regsvr32.exe	91
PID 3400 wrote to memory of 1892	3400	regsvr32.exe	91

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\a9dd3e4e413e8417a264514b98aabba6_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3400
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\a9dd3e4e413e8417a264514b98aabba6_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1892

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=4444,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:8
1⤵
PID:4760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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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