4ee0244c54b854dd46c83974051d7fccfacd26ac511ff64774cb5094cced1b56

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
18/04/2024, 11:08

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General

Target

f7df50d461bc6b6e42ecec5606cd032f_JaffaCakes118.dll
Size

562KB
MD5

f7df50d461bc6b6e42ecec5606cd032f
SHA1

052e9f427ce37f63c106b8e0deca5030a48a97b5
SHA256

4ee0244c54b854dd46c83974051d7fccfacd26ac511ff64774cb5094cced1b56
SHA512

c96514473639ceb8b61c937b33ef9accdd2225edffac8f8beae062870e2f91c3deccc7152d6db1837c93ff80e8308a8a16a5c28f39a6e9d56744e3f20936a645
SSDEEP

12288:w0Et9YDc/Tk4Po4wSSqodPF9C2vTgYnREu7Rt:YtWDcw4o4Ts/9CknKIR

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\{CC01FC6C-99D4-4DB2-BBE5-4386CDA3CB36}	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-99D4-4DB2-BBE5-4386CDA3CB36}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-99D4-4DB2-BBE5-4386CDA3CB36}\ = "sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-99D4-4DB2-BBE5-4386CDA3CB36}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f7df50d461bc6b6e42ecec5606cd032f_JaffaCakes118.sh\ = "sh"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-99D4-4DB2-BBE5-4386CDA3CB36}\ProgID\ = "f7df50d461bc6b6e42ecec5606cd032f_JaffaCakes118.sh"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-99D4-4DB2-BBE5-4386CDA3CB36}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-99D4-4DB2-BBE5-4386CDA3CB36}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f7df50d461bc6b6e42ecec5606cd032f_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-99D4-4DB2-BBE5-4386CDA3CB36}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f7df50d461bc6b6e42ecec5606cd032f_JaffaCakes118.sh	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f7df50d461bc6b6e42ecec5606cd032f_JaffaCakes118.sh\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f7df50d461bc6b6e42ecec5606cd032f_JaffaCakes118.sh\Clsid\ = "{CC01FC6C-99D4-4DB2-BBE5-4386CDA3CB36}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 3036	2360	regsvr32.exe	28
PID 2360 wrote to memory of 3036	2360	regsvr32.exe	28
PID 2360 wrote to memory of 3036	2360	regsvr32.exe	28
PID 2360 wrote to memory of 3036	2360	regsvr32.exe	28
PID 2360 wrote to memory of 3036	2360	regsvr32.exe	28
PID 2360 wrote to memory of 3036	2360	regsvr32.exe	28
PID 2360 wrote to memory of 3036	2360	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f7df50d461bc6b6e42ecec5606cd032f_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f7df50d461bc6b6e42ecec5606cd032f_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3036

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/3036-0-0x0000000000810000-0x00000000008A2000-memory.dmp

Filesize
584KB

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