d3498ea95f963f93ce8ca048bc71cafaa6997e7d1b1964d82b511268cd6df3f9

General

Target

1c4daa3f0275effde9e1b8c8e6f4c2be_JaffaCakes118.dll
Size

544KB
MD5

1c4daa3f0275effde9e1b8c8e6f4c2be
SHA1

6dcef35c58738c04e94537767507ef0067b09cb9
SHA256

d3498ea95f963f93ce8ca048bc71cafaa6997e7d1b1964d82b511268cd6df3f9
SHA512

c1f317c2f5069ecf96bfc79863ed5a4ec1d39cc234b57fe01a343a91fd1b819668e12768793258e620552b22821cf5c310e5a1e769240b4497aea55f21ce7e3f
SSDEEP

12288:TcWaTo89gMiVRfW4VsjeJUsHE89Hm7MqYB1Kn3KJuycoxi3GzotMeXPy:A5HIW4VoeJUP89jrK65cFMeXPy

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\{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}	regsvr32.exe

Modifies registry class 27 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ATLDistrib.ATLDistrib.1\CLSID\ = "{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ATLDistrib.ATLDistrib\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ATLDistrib.ATLDistrib\CurVer\ = "ATLDistrib.ATLDistrib.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}\AppID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ATLDistrib.ATLDistrib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}\VersionIndependentProgID\ = "ATLDistrib.ATLDistrib"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1c4daa3f0275effde9e1b8c8e6f4c2be_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}\ProgID\ = "ATLDistrib.ATLDistrib.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ATLDistrib.ATLDistrib.1\ = "ATLDistrib Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}\ = "ATLDistrib Object"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ATLDistrib.ATLDistrib.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ATLDistrib.ATLDistrib.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ATLDistrib.ATLDistrib\ = "ATLDistrib Object"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ATLDistrib.ATLDistrib\CLSID\ = "{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ATLDistrib.ATLDistrib\CurVer	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}\InprocServer32\ThreadingModel = "apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}\VersionIndependentProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A1A109F-58B3-414B-9829-5F4D9BE5FEDE}\TypeLib\ = "{BAD59A24-6891-417D-A041-C8FD495B77F1}"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3516 wrote to memory of 2100	3516	regsvr32.exe	92
PID 3516 wrote to memory of 2100	3516	regsvr32.exe	92
PID 3516 wrote to memory of 2100	3516	regsvr32.exe	92

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\1c4daa3f0275effde9e1b8c8e6f4c2be_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\1c4daa3f0275effde9e1b8c8e6f4c2be_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2100

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=4104 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:5048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2100-0-0x0000000010000000-0x000000001008E000-memory.dmp

Filesize
568KB

Download
memory/2100-1-0x0000000010000000-0x000000001008E000-memory.dmp

Filesize
568KB

Download

Analysis

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