2ef611b49416be5c4a6970043e04013246363b330b90ffaa37de6b5c69a73788

Analysis

max time kernel
139s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
22/06/2024, 00:50

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General

Target
0081b9c625c52d044d4fa55c5d9f5624_JaffaCakes118.dll
Size 90KB
Sample240622-a7ek9sshqj
SHA256 2ef611b49416be5c4a6970043e04013246363b330b90ffaa37de6b5c69a73788
MD5 0081b9c625c52d044d4fa55c5d9f5624
SHA1 57ce1e12674bce92e6b9e8b3d2b0ab1a749000d7
SHA512 c7bb218a572c1603549badf384ef5140862440efb48b7462901ff03471bfc1dde637cf1b62edfd7904c15f26f0a7e31f051e43627f07422e4bed916d005f4686
SSDEEP 1536:7sHe65wZCvUItayfkGe9ThkUFIDv3vmPjflgfR8vqQFz+o2SZm12ZAsCzr:7SF5kUUInSxhurOPjaJ9QFz+FCm1yAxr
MD5 SHA1 SHA512 SSDEEP

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 1 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\{94F3CE47-FC4B-4DCC-B623-99C0569C96B4}	regsvr32.exe

Modifies registry class 51 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer\CurVer\ = "BHO.MsnPlayer.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94F3CE47-FC4B-4DCC-B623-99C0569C96B4}\ = "CMsnPlayer Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B1A1E850-6F97-4FAF-AADA-FB15F8951391}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B1A1E850-6F97-4FAF-AADA-FB15F8951391}\ = "IMsnPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFC8DBFF-519D-4F3B-A541-98A0807DD801}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94F3CE47-FC4B-4DCC-B623-99C0569C96B4}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFC8DBFF-519D-4F3B-A541-98A0807DD801}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFC8DBFF-519D-4F3B-A541-98A0807DD801}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94F3CE47-FC4B-4DCC-B623-99C0569C96B4}\VersionIndependentProgID\ = "BHO.MsnPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{FFC8DBFF-519D-4F3B-A541-98A0807DD801}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94F3CE47-FC4B-4DCC-B623-99C0569C96B4}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94F3CE47-FC4B-4DCC-B623-99C0569C96B4}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B1A1E850-6F97-4FAF-AADA-FB15F8951391}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94F3CE47-FC4B-4DCC-B623-99C0569C96B4}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFC8DBFF-519D-4F3B-A541-98A0807DD801}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B1A1E850-6F97-4FAF-AADA-FB15F8951391}\TypeLib\ = "{FFC8DBFF-519D-4F3B-A541-98A0807DD801}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B1A1E850-6F97-4FAF-AADA-FB15F8951391}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B1A1E850-6F97-4FAF-AADA-FB15F8951391}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer.1\CLSID\ = "{94F3CE47-FC4B-4DCC-B623-99C0569C96B4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94F3CE47-FC4B-4DCC-B623-99C0569C96B4}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94F3CE47-FC4B-4DCC-B623-99C0569C96B4}\TypeLib\ = "{FFC8DBFF-519D-4F3B-A541-98A0807DD801}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFC8DBFF-519D-4F3B-A541-98A0807DD801}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFC8DBFF-519D-4F3B-A541-98A0807DD801}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer\ = "CMsnPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94F3CE47-FC4B-4DCC-B623-99C0569C96B4}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0081b9c625c52d044d4fa55c5d9f5624_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B1A1E850-6F97-4FAF-AADA-FB15F8951391}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B1A1E850-6F97-4FAF-AADA-FB15F8951391}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\BHO.DLL	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer.1\ = "CMsnPlayer Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94F3CE47-FC4B-4DCC-B623-99C0569C96B4}\AppID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFC8DBFF-519D-4F3B-A541-98A0807DD801}\1.0\ = "BHO 1.0 Type Library"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{FFC8DBFF-519D-4F3B-A541-98A0807DD801}\ = "BHO"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\BHO.DLL\AppID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B1A1E850-6F97-4FAF-AADA-FB15F8951391}\ = "IMsnPlayer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{B1A1E850-6F97-4FAF-AADA-FB15F8951391}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B1A1E850-6F97-4FAF-AADA-FB15F8951391}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer\CLSID\ = "{94F3CE47-FC4B-4DCC-B623-99C0569C96B4}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94F3CE47-FC4B-4DCC-B623-99C0569C96B4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B1A1E850-6F97-4FAF-AADA-FB15F8951391}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94F3CE47-FC4B-4DCC-B623-99C0569C96B4}\ProgID\ = "BHO.MsnPlayer.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\BHO.MsnPlayer\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFC8DBFF-519D-4F3B-A541-98A0807DD801}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B1A1E850-6F97-4FAF-AADA-FB15F8951391}\TypeLib\ = "{FFC8DBFF-519D-4F3B-A541-98A0807DD801}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{94F3CE47-FC4B-4DCC-B623-99C0569C96B4}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFC8DBFF-519D-4F3B-A541-98A0807DD801}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0081b9c625c52d044d4fa55c5d9f5624_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{FFC8DBFF-519D-4F3B-A541-98A0807DD801}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{B1A1E850-6F97-4FAF-AADA-FB15F8951391}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 1708	3048	regsvr32.exe	90
PID 3048 wrote to memory of 1708	3048	regsvr32.exe	90
PID 3048 wrote to memory of 1708	3048	regsvr32.exe	90

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0081b9c625c52d044d4fa55c5d9f5624_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0081b9c625c52d044d4fa55c5d9f5624_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:1708

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=4224,i,2113996974559895641,18156918660790954073,262144 --variations-seed-version --mojo-platform-channel-handle=4028 /prefetch:8
1⤵
PID:936

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1708-1-0x0000000001360000-0x0000000001362000-memory.dmp

Download

memory/1708-0-0x0000000010000000-0x0000000010028000-memory.dmp