5c2a2b520668e5cd8b6a67f7232d00de26f2a53e13abae861a4db6c44123e772

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16/04/2024, 17:48

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

f4010f4298acb22ef83c23760cc197b5_JaffaCakes118.dll
Size

300KB
MD5

f4010f4298acb22ef83c23760cc197b5
SHA1

1fc6350e38ab84b7c62e864144fe4e7d3d67d05a
SHA256

5c2a2b520668e5cd8b6a67f7232d00de26f2a53e13abae861a4db6c44123e772
SHA512

147d70cf405f0b304dbbab536983028b689e4d71b15ebadafbba6a723c6690372b71793d0592579b7100e6e08d956d75208e4e53a9195c3e67d2a2b249f3752e
SSDEEP

6144:r/TOanBNpOYFc3I8rWeQvDItHnFT+BnMUYdkTm4E1infgxZOuRDerhvt:rKanBNo4cY/eQv0xYiUYdm7E1yth1

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
behavioral1/memory/2212-0-0x00000000006C0000-0x000000000078A000-memory.dmp	upx

Installs/modifies Browser Helper Object 2 TTPs 2 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\{826BBC70-B449-49A1-AF78-9738ACE95183}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{826BBC70-B449-49A1-AF78-9738ACE95183}\NoExplorer = "1"	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f4010f4298acb22ef83c23760cc197b5_JaffaCakes118.P\Clsid\ = "{826BBC70-B449-49A1-AF78-9738ACE95183}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{826BBC70-B449-49A1-AF78-9738ACE95183}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{826BBC70-B449-49A1-AF78-9738ACE95183}\ProgID\ = "f4010f4298acb22ef83c23760cc197b5_JaffaCakes118.P"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{826BBC70-B449-49A1-AF78-9738ACE95183}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{826BBC70-B449-49A1-AF78-9738ACE95183}\ = "O"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{826BBC70-B449-49A1-AF78-9738ACE95183}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f4010f4298acb22ef83c23760cc197b5_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{826BBC70-B449-49A1-AF78-9738ACE95183}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f4010f4298acb22ef83c23760cc197b5_JaffaCakes118.P\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{826BBC70-B449-49A1-AF78-9738ACE95183}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f4010f4298acb22ef83c23760cc197b5_JaffaCakes118.P	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f4010f4298acb22ef83c23760cc197b5_JaffaCakes118.P\ = "O"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 2212	2144	regsvr32.exe	28
PID 2144 wrote to memory of 2212	2144	regsvr32.exe	28
PID 2144 wrote to memory of 2212	2144	regsvr32.exe	28
PID 2144 wrote to memory of 2212	2144	regsvr32.exe	28
PID 2144 wrote to memory of 2212	2144	regsvr32.exe	28
PID 2144 wrote to memory of 2212	2144	regsvr32.exe	28
PID 2144 wrote to memory of 2212	2144	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f4010f4298acb22ef83c23760cc197b5_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2144
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f4010f4298acb22ef83c23760cc197b5_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

Loading Replay Monitor...

Downloads

memory/2212-0-0x00000000006C0000-0x000000000078A000-memory.dmp

Filesize
808KB

Download