c144bd8f2029b5c9ee8c4b947966dfec608a0e9eb81e4cfa61db3ca7c9dbd9e5

Analysis

max time kernel
122s
max time network
125s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19/08/2024, 18:23

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General

Target

ac149ea5b7f4da0f3b4c6e9b993af997_JaffaCakes118.dll
Size

568KB
MD5

ac149ea5b7f4da0f3b4c6e9b993af997
SHA1

32eec2c2d651aa1d68a9c9e51243ead9b0e5e6e2
SHA256

c144bd8f2029b5c9ee8c4b947966dfec608a0e9eb81e4cfa61db3ca7c9dbd9e5
SHA512

a95db1a87910183b541f4a9c5e255cdfaac078d0fa4a9f5a54f45fab0596a10cb516c352af518481778d408299fd5a1dfdbc3c7b5374cfbe79f0a84446067c80
SSDEEP

12288:v2qqAjgS2720fPiPgbN8KLjQaj3w8Yr+KPGQ2t4V8:vhqYZ4qYtLp6q4Ct4V

Score

6^/10

adware discovery 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-98F4-5A44-DCCA-B9C67531838F}	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ac149ea5b7f4da0f3b4c6e9b993af997_JaffaCakes118.td\Clsid	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ac149ea5b7f4da0f3b4c6e9b993af997_JaffaCakes118.td\Clsid\ = "{CC01FC6C-98F4-5A44-DCCA-B9C67531838F}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-98F4-5A44-DCCA-B9C67531838F}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\ac149ea5b7f4da0f3b4c6e9b993af997_JaffaCakes118.td	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-98F4-5A44-DCCA-B9C67531838F}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ac149ea5b7f4da0f3b4c6e9b993af997_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-98F4-5A44-DCCA-B9C67531838F}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\ac149ea5b7f4da0f3b4c6e9b993af997_JaffaCakes118.td\ = "td"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-98F4-5A44-DCCA-B9C67531838F}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-98F4-5A44-DCCA-B9C67531838F}\ProgID\ = "ac149ea5b7f4da0f3b4c6e9b993af997_JaffaCakes118.td"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-98F4-5A44-DCCA-B9C67531838F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CC01FC6C-98F4-5A44-DCCA-B9C67531838F}\ = "td"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 1868	2468	regsvr32.exe	30
PID 2468 wrote to memory of 1868	2468	regsvr32.exe	30
PID 2468 wrote to memory of 1868	2468	regsvr32.exe	30
PID 2468 wrote to memory of 1868	2468	regsvr32.exe	30
PID 2468 wrote to memory of 1868	2468	regsvr32.exe	30
PID 2468 wrote to memory of 1868	2468	regsvr32.exe	30
PID 2468 wrote to memory of 1868	2468	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ac149ea5b7f4da0f3b4c6e9b993af997_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\ac149ea5b7f4da0f3b4c6e9b993af997_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1868

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1868-0-0x0000000000420000-0x00000000004B3000-memory.dmp

Filesize
588KB

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