69ef1b568b9c104f90298202f044034b89941aa8c5af4c6e3d0c3c88286741ca

General

Target

5c4d2fdd71d0fc03028a8d1aa8873ec1_JaffaCakes118.dll
Size

434KB
MD5

5c4d2fdd71d0fc03028a8d1aa8873ec1
SHA1

a7e137cd34dacdee947a9be6604379f42b1aa9cf
SHA256

69ef1b568b9c104f90298202f044034b89941aa8c5af4c6e3d0c3c88286741ca
SHA512

4f9c250d4b76b08695ad7db23d9806a8a051e09c0de6d16651e1276fc78112bf9c78b260473283f083470d305873bfc6758ebb93764099a4d19d05eff98977a4
SSDEEP

12288:ho8hDrtHza8gcEgKJq6xGJOpqqldcBJT+wT9oKqhx:hThDJtegKs0GkprlST+w5odhx

Score

6^/10

adware 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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{10a55c19-ca25-c7d5-4ff4-8e695434f30a}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{10a55c19-ca25-c7d5-4ff4-8e695434f30a}\NoExplorer = "\"\""	regsvr32.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Explorer Bars\{89c7baaf-d8a4-4018-ed22-c7b9960acb76}	regsvr32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10a55c19-ca25-c7d5-4ff4-8e695434f30a}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89c7baaf-d8a4-4018-ed22-c7b9960acb76}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89c7baaf-d8a4-4018-ed22-c7b9960acb76}\Programmable	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10a55c19-ca25-c7d5-4ff4-8e695434f30a}\InProcServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89c7baaf-d8a4-4018-ed22-c7b9960acb76}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89c7baaf-d8a4-4018-ed22-c7b9960acb76}\ = "Search panel"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10a55c19-ca25-c7d5-4ff4-8e695434f30a}\ = "mysidesearch search enhancer"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89c7baaf-d8a4-4018-ed22-c7b9960acb76}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89c7baaf-d8a4-4018-ed22-c7b9960acb76}\Implemented Categories\{00021493-0000-0000-C000-000000000046}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10a55c19-ca25-c7d5-4ff4-8e695434f30a}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5c4d2fdd71d0fc03028a8d1aa8873ec1_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{10a55c19-ca25-c7d5-4ff4-8e695434f30a}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89c7baaf-d8a4-4018-ed22-c7b9960acb76}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5c4d2fdd71d0fc03028a8d1aa8873ec1_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{89c7baaf-d8a4-4018-ed22-c7b9960acb76}\Implemented Categories	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 4740	2236	regsvr32.exe	84
PID 2236 wrote to memory of 4740	2236	regsvr32.exe	84
PID 2236 wrote to memory of 4740	2236	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\5c4d2fdd71d0fc03028a8d1aa8873ec1_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\5c4d2fdd71d0fc03028a8d1aa8873ec1_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:4740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4740-0-0x0000000010000000-0x0000000010097000-memory.dmp

Filesize
604KB

Download
memory/4740-1-0x00000000029D0000-0x0000000002A2A000-memory.dmp

Filesize
360KB

Download
memory/4740-2-0x0000000003A40000-0x0000000003A43000-memory.dmp

Filesize
12KB

Download
memory/4740-5-0x0000000002DC0000-0x0000000002DC1000-memory.dmp

Filesize
4KB

Download
memory/4740-6-0x0000000003AA0000-0x0000000003AA1000-memory.dmp

Filesize
4KB

Download
memory/4740-4-0x0000000002C60000-0x0000000002C61000-memory.dmp

Filesize
4KB

Download
memory/4740-3-0x0000000000FA0000-0x0000000000FA1000-memory.dmp

Filesize
4KB

Download
memory/4740-13-0x0000000003B80000-0x0000000003B81000-memory.dmp

Filesize
4KB

Download
memory/4740-11-0x0000000003B40000-0x0000000003B41000-memory.dmp

Filesize
4KB

Download
memory/4740-20-0x0000000003C60000-0x0000000003C61000-memory.dmp

Filesize
4KB

Download
memory/4740-19-0x0000000003C40000-0x0000000003C41000-memory.dmp

Filesize
4KB

Download
memory/4740-14-0x0000000003BA0000-0x0000000003BA1000-memory.dmp

Filesize
4KB

Download
memory/4740-18-0x0000000003C20000-0x0000000003C21000-memory.dmp

Filesize
4KB

Download
memory/4740-17-0x0000000003C00000-0x0000000003C01000-memory.dmp

Filesize
4KB

Download
memory/4740-16-0x0000000003BE0000-0x0000000003BE1000-memory.dmp

Filesize
4KB

Download
memory/4740-15-0x0000000003BC0000-0x0000000003BC1000-memory.dmp

Filesize
4KB

Download
memory/4740-10-0x0000000003B20000-0x0000000003B21000-memory.dmp

Filesize
4KB

Download
memory/4740-9-0x0000000003B00000-0x0000000003B01000-memory.dmp

Filesize
4KB

Download
memory/4740-8-0x0000000003AE0000-0x0000000003AE1000-memory.dmp

Filesize
4KB

Download
memory/4740-12-0x0000000003B60000-0x0000000003B61000-memory.dmp

Filesize
4KB

Download
memory/4740-7-0x0000000003AC0000-0x0000000003AC1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads