42395d8e3850592d5e4afe53829957f4fe8d2641ff0ce5d4f8e323fde0f3386c

General

Target

3f455308e2dd94ca86dfb40af2185dca_JaffaCakes118.dll
Size

64KB
MD5

3f455308e2dd94ca86dfb40af2185dca
SHA1

ed566f109e64942ea94927213a56e1a6d2b0dca7
SHA256

42395d8e3850592d5e4afe53829957f4fe8d2641ff0ce5d4f8e323fde0f3386c
SHA512

a37912e7131e80d3c1759ecd5efa117aa80e59d97b58b53f60c272aaefa5f14c37f5267bed4b66d22f101183dbc471b5550356ca595a6ebaf0b772dacf85beda
SSDEEP

1536:OsDhpsXTDFRzoIB6fbz3ysmycKUiZ2SEamhg:LdGDVKy7jiQxakg

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\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413}\NoExplorer = "1"	regsvr32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
692	2552	WerFault.exe	83

Modifies Internet Explorer settings 1 TTPs 10 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{6C08444C-B736-4C01-99A8-4CC9E59A9BC9}\URL = "http://www.gggdu.com/google?q={searchTerms}"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\DefaultScope = "{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}"	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\Software\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}\DisplayName = "°Ù¶È"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}\URL = "http://www.baidu.com/s?tn=leizhen_dg&ie=utf-8&wd={searchTerms}"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\Software\Microsoft\Internet Explorer\SearchScopes\{6C08444C-B736-4C01-99A8-4CC9E59A9BC9}	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}\SuggestionsURL_JSON = "http://suggestion.baidu.com/su?wd={searchTerms}&action=opensearch&ie=utf-8&from=ie8"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{6C08444C-B736-4C01-99A8-4CC9E59A9BC9}\DisplayName = "Google"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-47134698-4092160662-1261813102-1000\Software\Microsoft\Internet Explorer\SearchScopes	regsvr32.exe

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\Shell\OpenHomePage\Command	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\Shell\OpenHomePage	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\DefaultIcon	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\Shell	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}\shell\OpenHomePage\Command	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3f455308e2dd94ca86dfb40af2185dca_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{871C5380-42A0-1069-A2EA-08002B30309D}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 2552	1776	regsvr32.exe	83
PID 1776 wrote to memory of 2552	1776	regsvr32.exe	83
PID 1776 wrote to memory of 2552	1776	regsvr32.exe	83

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3f455308e2dd94ca86dfb40af2185dca_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1776
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3f455308e2dd94ca86dfb40af2185dca_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:2552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 892
    3⤵
    - Program crash
    PID:692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2552 -ip 2552
1⤵
PID:368

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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