Analysis
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max time kernel
151s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
27/06/2024, 23:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
17daeef1bdd874505b958473f576759c_JaffaCakes118.dll
Resource
win7-20240419-en
3 signatures
150 seconds
General
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Target
17daeef1bdd874505b958473f576759c_JaffaCakes118.dll
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Size
711KB
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MD5
17daeef1bdd874505b958473f576759c
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SHA1
f5d2b6b3cbbcb4ea62a20af8d3eea4f3d47dfc5d
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SHA256
d80824a37ffdaf855c3a723663c6ec900135489973741110f0c7f369d6273ac2
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SHA512
e732bffd64d954692913815312107ec160fff980d2e8ba323aef93fecad020415a58ed421fb09fad6a523dc107e2d7aa33c44b6461e4b961a912830dd9f12993
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SSDEEP
12288:nHCqAM6vj721fUXMgf1PuLpHz9vw8Gjk2PdndIOit4Vm1RUO:niqTyO6dMLvwosDIBt4VAUO
Malware Config
Signatures
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Installs/modifies Browser Helper Object 2 TTPs 1 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{CC01FC6C-E66E-AC71-844B-B32D6F958BB1} regsvr32.exe -
Modifies registry class 11 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E66E-AC71-844B-B32D6F958BB1} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E66E-AC71-844B-B32D6F958BB1}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\17daeef1bdd874505b958473f576759c_JaffaCakes118.td regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\17daeef1bdd874505b958473f576759c_JaffaCakes118.td\ = "td" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E66E-AC71-844B-B32D6F958BB1}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E66E-AC71-844B-B32D6F958BB1}\ProgID\ = "17daeef1bdd874505b958473f576759c_JaffaCakes118.td" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E66E-AC71-844B-B32D6F958BB1}\ = "td" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E66E-AC71-844B-B32D6F958BB1}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{CC01FC6C-E66E-AC71-844B-B32D6F958BB1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\17daeef1bdd874505b958473f576759c_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\17daeef1bdd874505b958473f576759c_JaffaCakes118.td\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\17daeef1bdd874505b958473f576759c_JaffaCakes118.td\Clsid\ = "{CC01FC6C-E66E-AC71-844B-B32D6F958BB1}" regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 452 wrote to memory of 4916 452 regsvr32.exe 91 PID 452 wrote to memory of 4916 452 regsvr32.exe 91 PID 452 wrote to memory of 4916 452 regsvr32.exe 91
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\17daeef1bdd874505b958473f576759c_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\17daeef1bdd874505b958473f576759c_JaffaCakes118.dll2⤵
- Installs/modifies Browser Helper Object
- Modifies registry class
PID:4916
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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 --mojo-platform-channel-handle=1412 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:81⤵PID:4816