75c7715b7695bfba3c3679544094fb66ae04f836990fc0959034dafee0554421

Analysis

max time kernel
93s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
06/07/2024, 23:10

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General

Target

298bc974bc3c6a8f73e51d879f343cf7_JaffaCakes118.dll
Size

233KB
MD5

298bc974bc3c6a8f73e51d879f343cf7
SHA1

5a391cb2d580308eed121d4b4f29f1bb9d68c1bf
SHA256

75c7715b7695bfba3c3679544094fb66ae04f836990fc0959034dafee0554421
SHA512

68067c68491f81106802bcfee8ef0da46d0ff3bd7e033fcb2e8a6207246a218e508043d48e17c40f5dd89f7045f38105510f8bf4b5f8da79ee52be6ebb0cb5e6
SSDEEP

6144:eIyzBr/kPFIIb+EOvdeIz8cHfhEXPmlOQRbjN53SEMJlSm:ry1EN6/deTcHfblRRbZ53SB

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2580-0-0x0000000000400000-0x00000000004A2000-memory.dmp	upx

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\{EC7283DE-1652-420C-B42C-184B983ED24D}	regsvr32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC7283DE-1652-420C-B42C-184B983ED24D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC7283DE-1652-420C-B42C-184B983ED24D}\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC7283DE-1652-420C-B42C-184B983ED24D}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC7283DE-1652-420C-B42C-184B983ED24D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\298bc974bc3c6a8f73e51d879f343cf7_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC7283DE-1652-420C-B42C-184B983ED24D}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4852 wrote to memory of 2580	4852	regsvr32.exe	84
PID 4852 wrote to memory of 2580	4852	regsvr32.exe	84
PID 4852 wrote to memory of 2580	4852	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\298bc974bc3c6a8f73e51d879f343cf7_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4852
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\298bc974bc3c6a8f73e51d879f343cf7_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2580

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/2580-0-0x0000000000400000-0x00000000004A2000-memory.dmp

Filesize
648KB

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