e4ee21f57e611292d5e0f29ac9447067634d8e53291ca20a0cb10bad4f96fd56

General

Target

24d1cf4617913fed6fcfaf5640449b64_JaffaCakes118.dll
Size

103KB
MD5

24d1cf4617913fed6fcfaf5640449b64
SHA1

c823b46bd8c1afca8fa58c3648813370b596ff23
SHA256

e4ee21f57e611292d5e0f29ac9447067634d8e53291ca20a0cb10bad4f96fd56
SHA512

f76ae110341d9b2e491cd6ddc248cb6577a2ada7d74b144b9c5dc98c30a7227c6723b471b486298441fb14f55f5a1f172fddafa1f87c6d43dc3bc9d0dab7a9d9
SSDEEP

3072:Bem9/LMWcVbJ2BOKDIMlQPxOWZrR/71/0eRsN:BemlLMWcVbJMlDIMmPbZ5V0xN

Score

7^/10

adware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2272-0-0x0000000010000000-0x000000001004F000-memory.dmp	upx

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\{500BCA15-57A7-4eaf-8143-8C619470B13D}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{500BCA15-57A7-4eaf-8143-8C619470B13D}\ = "XML module"	regsvr32.exe

Modifies registry class 27 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\ProgID\ = "XML.XML.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML\CLSID\ = "{500BCA15-57A7-4eaf-8143-8C619470B13D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML\CurVer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML\CurVer\ = "XML.XML.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\24d1cf4617913fed6fcfaf5640449b64_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\ = "XML Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML\ = "XML Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML.1\CLSID	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9233C3C0-1472-4091-A505-5580A23BB4AC}\.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9233C3C0-1472-4091-A505-5580A23BB4AC}\.0\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\24d1cf4617913fed6fcfaf5640449b64_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\TypeLib\ = "{9233C3C0-1472-4091-A505-5580A23BB4AC}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\VersionIndependentProgID\ = "XML.XML"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML.1\CLSID\ = "{500BCA15-57A7-4eaf-8143-8C619470B13D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\Install = "OK"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{500BCA15-57A7-4eaf-8143-8C619470B13D}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML.1	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\XML.XML.1\ = "XML Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9233C3C0-1472-4091-A505-5580A23BB4AC}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{9233C3C0-1472-4091-A505-5580A23BB4AC}\.0\ = "XML Library"	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 2272	4544	regsvr32.exe	82
PID 4544 wrote to memory of 2272	4544	regsvr32.exe	82
PID 4544 wrote to memory of 2272	4544	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\24d1cf4617913fed6fcfaf5640449b64_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\24d1cf4617913fed6fcfaf5640449b64_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies registry class
  PID:2272

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

1

T1176

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2272-0-0x0000000010000000-0x000000001004F000-memory.dmp

Filesize
316KB

Download
memory/4544-89182-0x00007FFE80080000-0x00007FFE80514000-memory.dmp

Filesize
4.6MB

Download

Analysis

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