ea6b2cceebe0795d133d3a079cee219fa6d6ccb407bf3bf6fef552f272b253f9

Analysis

max time kernel
61s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
16/04/2024, 05:40

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General

Target
f2ce1de113244f01a7878f1483f67566_JaffaCakes118.dll
Size 546KB
Sample240416-gc66csaf44
SHA256 ea6b2cceebe0795d133d3a079cee219fa6d6ccb407bf3bf6fef552f272b253f9
MD5 f2ce1de113244f01a7878f1483f67566
SHA1 18d32ff5317c8d6f1e857e0345e736494c5871bf
SHA512 904ddd195da54532b76d88c57747af10ce1fcd02d876e7aa82230b156a2d4a49b8ac35fb1e3fbdafafdda471da9015bb5f3344fdac238d03f3e4dd9fee58f670
SSDEEP 12288:b3kIP9RLGKGXzWzgb1yk7QXJObkfdOYW1meyUGpLZZWPmJ6:b5Rqzb1gOITW1HGDZWPmw
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\{9BC18580-A720-499A-A98E-90F082F64668}	regsvr32.exe

Modifies registry class 14 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9BC18580-A720-499A-A98E-90F082F64668}\ = "FlashAudio"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9BC18580-A720-499A-A98E-90F082F64668}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9BC18580-A720-499A-A98E-90F082F64668}\ProgID\ = "f2ce1de113244f01a7878f1483f67566_JaffaCakes118.FlashAudio"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9BC18580-A720-499A-A98E-90F082F64668}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f2ce1de113244f01a7878f1483f67566_JaffaCakes118.FlashAudio	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9BC18580-A720-499A-A98E-90F082F64668}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\f2ce1de113244f01a7878f1483f67566_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f2ce1de113244f01a7878f1483f67566_JaffaCakes118.FlashAudio\Clsid\ = "{9BC18580-A720-499A-A98E-90F082F64668}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9BC18580-A720-499A-A98E-90F082F64668}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9BC18580-A720-499A-A98E-90F082F64668}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\f2ce1de113244f01a7878f1483f67566_JaffaCakes118.FlashAudio\ = "FlashAudio"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\f2ce1de113244f01a7878f1483f67566_JaffaCakes118.FlashAudio\Clsid	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3700 wrote to memory of 3752	3700	regsvr32.exe	86
PID 3700 wrote to memory of 3752	3700	regsvr32.exe	86
PID 3700 wrote to memory of 3752	3700	regsvr32.exe	86

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f2ce1de113244f01a7878f1483f67566_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3700
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\f2ce1de113244f01a7878f1483f67566_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:3752

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

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Downloads

memory/3752-0-0x0000000001F60000-0x000000000207D000-memory.dmp

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memory/3752-1-0x0000000001F60000-0x000000000207D000-memory.dmp

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memory/3752-2-0x0000000001F60000-0x000000000207D000-memory.dmp

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memory/3752-3-0x0000000002220000-0x0000000002222000-memory.dmp

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memory/3752-4-0x0000000001F60000-0x000000000207D000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads