d7a8ee2c16a020792784edbc10d75de35f19331d6326b5d59fa8efe0209d91c0

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12/07/2024, 00:39

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General

Target

3b5a07b3afe09a6beba3535e0040517f_JaffaCakes118.dll
Size

156KB
MD5

3b5a07b3afe09a6beba3535e0040517f
SHA1

1322ecc68c834d941a2a05d1a360df744d7336ac
SHA256

d7a8ee2c16a020792784edbc10d75de35f19331d6326b5d59fa8efe0209d91c0
SHA512

a03f1e64c7542c8e75177dbb76d5e77bb7369c8202e2933421d4a0551a5b3ddf60c64827fa54e4472d370b9795956655842300cdb3535a906a5dde63e9b0b0be
SSDEEP

3072:60/ZLioXfyhar0+/xPbACeCuX9aLN9Zq6ZzoS2h6xkB85NWc45auo:d10+/xjrevX9aLN9ZdZW385NW

Score

6^/10

adware stealer

Malware Config

Signatures

Installs/modifies Browser Helper Object 2 TTPs 3 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	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{E1478F2A-6767-3E94-9CB3-275FBD3BEE6D}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{E1478F2A-6767-3E94-9CB3-275FBD3BEE6D}\IExplore = "1"	regsvr32.exe

Modifies registry class 29 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E1478F2A-6767-3E94-9CB3-275FBD3BEE6D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E1478F2A-6767-3E94-9CB3-275FBD3BEE6D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3b5a07b3afe09a6beba3535e0040517f_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E49C4F41-0BE2-34F9-97B4-AF452FE40536}\1.0\ = "LIB"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E49C4F41-0BE2-34F9-97B4-AF452FE40536}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E49C4F41-0BE2-34F9-97B4-AF452FE40536}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BB1C4BED-B25A-3740-8C5D-A6E5014F2E05}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BB1C4BED-B25A-3740-8C5D-A6E5014F2E05}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E49C4F41-0BE2-34F9-97B4-AF452FE40536}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E49C4F41-0BE2-34F9-97B4-AF452FE40536}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E49C4F41-0BE2-34F9-97B4-AF452FE40536}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E49C4F41-0BE2-34F9-97B4-AF452FE40536}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3b5a07b3afe09a6beba3535e0040517f_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BB1C4BED-B25A-3740-8C5D-A6E5014F2E05}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BB1C4BED-B25A-3740-8C5D-A6E5014F2E05}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BB1C4BED-B25A-3740-8C5D-A6E5014F2E05}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BB1C4BED-B25A-3740-8C5D-A6E5014F2E05}\TypeLib\ = "{E49C4F41-0BE2-34F9-97B4-AF452FE40536}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BB1C4BED-B25A-3740-8C5D-A6E5014F2E05}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E1478F2A-6767-3E94-9CB3-275FBD3BEE6D}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E49C4F41-0BE2-34F9-97B4-AF452FE40536}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E49C4F41-0BE2-34F9-97B4-AF452FE40536}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BB1C4BED-B25A-3740-8C5D-A6E5014F2E05}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BB1C4BED-B25A-3740-8C5D-A6E5014F2E05}\TypeLib\ = "{E49C4F41-0BE2-34F9-97B4-AF452FE40536}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BB1C4BED-B25A-3740-8C5D-A6E5014F2E05}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E1478F2A-6767-3E94-9CB3-275FBD3BEE6D}\ = "D"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BB1C4BED-B25A-3740-8C5D-A6E5014F2E05}\ = "ID"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E1478F2A-6767-3E94-9CB3-275FBD3BEE6D}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E49C4F41-0BE2-34F9-97B4-AF452FE40536}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{BB1C4BED-B25A-3740-8C5D-A6E5014F2E05}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BB1C4BED-B25A-3740-8C5D-A6E5014F2E05}\ = "ID"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BB1C4BED-B25A-3740-8C5D-A6E5014F2E05}\TypeLib	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2840	2792	regsvr32.exe	30
PID 2792 wrote to memory of 2840	2792	regsvr32.exe	30
PID 2792 wrote to memory of 2840	2792	regsvr32.exe	30
PID 2792 wrote to memory of 2840	2792	regsvr32.exe	30
PID 2792 wrote to memory of 2840	2792	regsvr32.exe	30
PID 2792 wrote to memory of 2840	2792	regsvr32.exe	30
PID 2792 wrote to memory of 2840	2792	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3b5a07b3afe09a6beba3535e0040517f_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3b5a07b3afe09a6beba3535e0040517f_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2840

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

Windows 7 deprecation

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