87cf6fa30e142b6563c7a2330ddce1d29aff51ef22591e5ddf3efe7e4856a931

Analysis

max time kernel
14s
max time network
20s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 00:58

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General

Target

b5bc7ad15f39d96df6030104b7f32234_JaffaCakes118.dll
Size

17KB
MD5

b5bc7ad15f39d96df6030104b7f32234
SHA1

65b4a8b0488cf0f369d25431530a056c8d366bbf
SHA256

87cf6fa30e142b6563c7a2330ddce1d29aff51ef22591e5ddf3efe7e4856a931
SHA512

bb1252059d9983b9d80129849d325097170dbea9fec521263d3ade637940bb8a6f5b8b8c9476093a20544bcaa09a85c9866a24fa27f368ad0c7cedba2261d4c4
SSDEEP

384:FMw9BSgb79xitG3HZnF0Ylq+hUqV1EjWKo7TxtCb:FMOBH7neG35Frsiwq7fxQb

Score

6^/10

adware discovery stealer

Malware Config

Signatures

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B552B8A4-76AC-4e8c-A469-C1585B111116}\ = "cj helper"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B552B8A4-76AC-4e8c-A469-C1585B111116}	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 46 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A3B4FF8A-D3E7-4692-A9B6-971F62802310}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A3B4FF8A-D3E7-4692-A9B6-971F62802310}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr\CLSID\ = "{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\ = "cjmgr Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\TypeLib\ = "{2B7763C3-642B-4934-902C-72A63A95127A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B7763C3-642B-4934-902C-72A63A95127A}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A3B4FF8A-D3E7-4692-A9B6-971F62802310}\TypeLib\ = "{2B7763C3-642B-4934-902C-72A63A95127A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr\CurVer\ = "CJ.cjmgr.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B7763C3-642B-4934-902C-72A63A95127A}\1.0\HELPDIR	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr\CurVer	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B7763C3-642B-4934-902C-72A63A95127A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B7763C3-642B-4934-902C-72A63A95127A}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr.1	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr.1\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr.1\CLSID\ = "{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr\ = "cjmgr Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B7763C3-642B-4934-902C-72A63A95127A}\1.0\ = "cj 1.0 Type Library"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B7763C3-642B-4934-902C-72A63A95127A}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A3B4FF8A-D3E7-4692-A9B6-971F62802310}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A3B4FF8A-D3E7-4692-A9B6-971F62802310}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B7763C3-642B-4934-902C-72A63A95127A}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b5bc7ad15f39d96df6030104b7f32234_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A3B4FF8A-D3E7-4692-A9B6-971F62802310}\ = "Icjmgr"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\CJ.cjmgr.1\ = "cjmgr Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\ProgID\ = "CJ.cjmgr.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B7763C3-642B-4934-902C-72A63A95127A}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B7763C3-642B-4934-902C-72A63A95127A}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A3B4FF8A-D3E7-4692-A9B6-971F62802310}\ = "Icjmgr"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A3B4FF8A-D3E7-4692-A9B6-971F62802310}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b5bc7ad15f39d96df6030104b7f32234_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A3B4FF8A-D3E7-4692-A9B6-971F62802310}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A3B4FF8A-D3E7-4692-A9B6-971F62802310}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{2B7763C3-642B-4934-902C-72A63A95127A}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A3B4FF8A-D3E7-4692-A9B6-971F62802310}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A3B4FF8A-D3E7-4692-A9B6-971F62802310}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A3B4FF8A-D3E7-4692-A9B6-971F62802310}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\ProgID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\VersionIndependentProgID\ = "CJ.cjmgr"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F10587E9-0E47-4CBE-84AE-7DD20B8684BB}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{A3B4FF8A-D3E7-4692-A9B6-971F62802310}\TypeLib\ = "{2B7763C3-642B-4934-902C-72A63A95127A}"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2380	2028	regsvr32.exe	29
PID 2028 wrote to memory of 2380	2028	regsvr32.exe	29
PID 2028 wrote to memory of 2380	2028	regsvr32.exe	29
PID 2028 wrote to memory of 2380	2028	regsvr32.exe	29
PID 2028 wrote to memory of 2380	2028	regsvr32.exe	29
PID 2028 wrote to memory of 2380	2028	regsvr32.exe	29
PID 2028 wrote to memory of 2380	2028	regsvr32.exe	29

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b5bc7ad15f39d96df6030104b7f32234_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\b5bc7ad15f39d96df6030104b7f32234_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2380

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/2380-0-0x0000000010000000-0x000000001000D000-memory.dmp

Filesize
52KB

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