b52c91d1da7e33ed311d73edc016a6361ee0072c2ce2509a6d488a8ca7e6ecdd

General

Target
0bd3ccb6997933e25e15bdddeb7ee520_JaffaCakes118.dll
Size 80KB
Sample240621-qljwvs1era
SHA256 b52c91d1da7e33ed311d73edc016a6361ee0072c2ce2509a6d488a8ca7e6ecdd
MD5 0bd3ccb6997933e25e15bdddeb7ee520
SHA1 d2c620705b8827b6416984474f584318a58da3e3
SHA512 88b7d68f23a9c897a21526e5434cb4e234db7820dc6698aa49d3ea03798221fa0e3f2fbd22245ea136170f15386202a74a613323917a8436884a17691e58d7d6
SSDEEP 1536:/vT0DjhqKlwOE5uQs1wONPmk+ni8n9V5Oeeij:ioKTh+8PmTiO5t
MD5 SHA1 SHA512 SSDEEP

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
1608	3348	WerFault.exe	89

Modifies Internet Explorer settings 1 TTPs 10 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}\DisplayName = "°Ù¶È"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\DefaultScope = "{20C3857E-3A7A-48FF-8C16-8BAFFDF5EE77}"	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{6C08444C-B736-4C01-99A8-4CC9E59A9BC9}\URL = "http://www.gggdu.com/google?q={searchTerms}"	regsvr32.exe
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\SearchScopes	regsvr32.exe
Key deleted	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{0633EE93-D776-472f-A0FF-E1416B8B2E3A}	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\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-1-5-21-1181767204-2009306918-3718769404-1000\Software\Microsoft\Internet Explorer\SearchScopes\{6C08444C-B736-4C01-99A8-4CC9E59A9BC9}	regsvr32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\SearchScopes\{6C08444C-B736-4C01-99A8-4CC9E59A9BC9}\DisplayName = "Google"	regsvr32.exe

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7BA4C38C-6BE5-4F3C-980B-CEB48A777413}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0bd3ccb6997933e25e15bdddeb7ee520_JaffaCakes118.dll"	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\{871C5380-42A0-1069-A2EA-08002B30309D}\Shell\OpenHomePage	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}\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	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\{871C5380-42A0-1069-A2EA-08002B30309D}	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3988 wrote to memory of 3348	3988	regsvr32.exe	89
PID 3988 wrote to memory of 3348	3988	regsvr32.exe	89
PID 3988 wrote to memory of 3348	3988	regsvr32.exe	89

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0bd3ccb6997933e25e15bdddeb7ee520_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3988
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\0bd3ccb6997933e25e15bdddeb7ee520_JaffaCakes118.dll
  2⤵
  - Installs/modifies Browser Helper Object
  - Modifies Internet Explorer settings
  - Modifies registry class
  PID:3348
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3348 -s 896
    3⤵
    - Program crash
    PID:1608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3348 -ip 3348
1⤵
PID:2308

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3144,i,1697479186275492802,18058102846092193784,262144 --variations-seed-version --mojo-platform-channel-handle=4404 /prefetch:8
1⤵
PID:5116

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

Replay Monitor

Loading Replay Monitor...

Downloads