6c6caf97a62f2c30cb3be0114ce084f7d167f01e37612addac2a4467d02a0777

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
20/06/2024, 04:07

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General

Target
02ad7b8fad57cbff26997cc3d4a70f7e_JaffaCakes118.dll
Size 1010KB
Sample240620-epvxrasdpn
SHA256 6c6caf97a62f2c30cb3be0114ce084f7d167f01e37612addac2a4467d02a0777
MD5 02ad7b8fad57cbff26997cc3d4a70f7e
SHA1 aafaba89a9a36e506d6f18432ea8ebf635e7bede
SHA512 5da1ba7ea35cbf90bfed9505e1f5416607b414172575fe52bbacca130c3b3492a3922309347f5c37916e8d911095dabf072cf99e94c32f1c794d46f272e05e2d
SSDEEP 6144:5HjElOcTs4wOyEPHGGNrMDY/342YvYV3oKbfK5iHW+kXrNTFOPT08idoINRv8TM8:RWOgqOyCDS6by82T2aaINRV0E
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\{371BBC41-97DB-47B9-8893-D24E09328E39}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{371BBC41-97DB-47B9-8893-D24E09328E39}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\02ad7b8fad57cbff26997cc3d4a70f7e_JaffaCakes118.Jsd\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\02ad7b8fad57cbff26997cc3d4a70f7e_JaffaCakes118.Jsd\Clsid\ = "{371BBC41-97DB-47B9-8893-D24E09328E39}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{371BBC41-97DB-47B9-8893-D24E09328E39}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{371BBC41-97DB-47B9-8893-D24E09328E39}\	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{371BBC41-97DB-47B9-8893-D24E09328E39}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\02ad7b8fad57cbff26997cc3d4a70f7e_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{371BBC41-97DB-47B9-8893-D24E09328E39}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{371BBC41-97DB-47B9-8893-D24E09328E39}\ProgID\ = "02ad7b8fad57cbff26997cc3d4a70f7e_JaffaCakes118.Jsd"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{371BBC41-97DB-47B9-8893-D24E09328E39}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\02ad7b8fad57cbff26997cc3d4a70f7e_JaffaCakes118.Jsd	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\02ad7b8fad57cbff26997cc3d4a70f7e_JaffaCakes118.Jsd\Clsid	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2212	1916	regsvr32.exe	28
PID 1916 wrote to memory of 2212	1916	regsvr32.exe	28
PID 1916 wrote to memory of 2212	1916	regsvr32.exe	28
PID 1916 wrote to memory of 2212	1916	regsvr32.exe	28
PID 1916 wrote to memory of 2212	1916	regsvr32.exe	28
PID 1916 wrote to memory of 2212	1916	regsvr32.exe	28
PID 1916 wrote to memory of 2212	1916	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\02ad7b8fad57cbff26997cc3d4a70f7e_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\02ad7b8fad57cbff26997cc3d4a70f7e_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2212

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/2212-0-0x00000000022F0000-0x00000000023F2000-memory.dmp

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