b6288fa8614c5de1d9f2015d9c24fa703a10d341732702cb8a531ba8e305e736

Analysis

max time kernel
140s
max time network
140s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17/10/2024, 20:28

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General

Target

5393e79edec3a216b7e23c1fed0f5978_JaffaCakes118.dll
Size

771KB
MD5

5393e79edec3a216b7e23c1fed0f5978
SHA1

0c2ca2d15a0010af7d81815c87843e9dd640ed11
SHA256

b6288fa8614c5de1d9f2015d9c24fa703a10d341732702cb8a531ba8e305e736
SHA512

3a15df6970b02b783dd7d20040807a5508f95ba477261bba774db8eb6a144a4b1f0e0a89603ed00e6a3a01711d2b21996c7d5eb592a2ee6f520d947aca934790
SSDEEP

24576:tKNHa5t8Z67wIGkNC5JdkMzd29Npbg2isXlFZT2:+2OURh85Jj29Npk2tlFZT2

Score

6^/10

adware discovery persistence stealer

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\mgwxaqlkjafvk = "C:\\Windows\\System32\\regsvr32.exe /s \"C:\\Users\\Admin\\AppData\\Local\\Temp\\5393e79edec3a216b7e23c1fed0f5978_JaffaCakes118.dll\""	regsvr32.exe

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\{23A8D957-731E-D409-4CFF-3586214D31A5}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{23A8D957-731E-D409-4CFF-3586214D31A5}\NoExplorer = "1"	regsvr32.exe

Maps connected drives based on registry 3 TTPs 3 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\Count	regsvr32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 27 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "435358788"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{656D0ED1-8CC6-11EF-A045-62CAC36041A9} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23A8D957-731E-D409-4CFF-3586214D31A5}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23A8D957-731E-D409-4CFF-3586214D31A5}\ = "clickbuster browser enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23A8D957-731E-D409-4CFF-3586214D31A5}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23A8D957-731E-D409-4CFF-3586214D31A5}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{23A8D957-731E-D409-4CFF-3586214D31A5}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5393e79edec3a216b7e23c1fed0f5978_JaffaCakes118.dll"	regsvr32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2876	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2876	iexplore.exe
2876	iexplore.exe
2268	IEXPLORE.EXE
2268	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 1672	3012	regsvr32.exe	31
PID 3012 wrote to memory of 1672	3012	regsvr32.exe	31
PID 3012 wrote to memory of 1672	3012	regsvr32.exe	31
PID 3012 wrote to memory of 1672	3012	regsvr32.exe	31
PID 3012 wrote to memory of 1672	3012	regsvr32.exe	31
PID 3012 wrote to memory of 1672	3012	regsvr32.exe	31
PID 3012 wrote to memory of 1672	3012	regsvr32.exe	31
PID 2876 wrote to memory of 2268	2876	iexplore.exe	33
PID 2876 wrote to memory of 2268	2876	iexplore.exe	33
PID 2876 wrote to memory of 2268	2876	iexplore.exe	33
PID 2876 wrote to memory of 2268	2876	iexplore.exe	33

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\5393e79edec3a216b7e23c1fed0f5978_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\5393e79edec3a216b7e23c1fed0f5978_JaffaCakes118.dll
  2⤵
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1672

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2876 CREDAT:275457 /prefetch:2
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Browser Extensions

T1176

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
345f454dae1410c0b68c55c99637bd48

SHA1
4af02f952726ff8b7858d4d76052cb7909ffbdbd

SHA256
63c461f155b4ee95005808429f2fb827e746e591054f6fbc53c1e4f606668fae

SHA512
61d274a3283c68a8b6892f75300be3485bdc9eb9bea5404e1ff9a4f5747792e41bdf86b11f7817545773ca35bbd3ab8dc7163206bc11e91dae255777d676f0b6

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
f6649f10999951ecd515d6792403556a

SHA1
4a6a2b6bdb62e73b3b77421aa4df7094070fb697

SHA256
b398e4d4f987d32e7ad27d3d2061c3eb7607243d946f735ee31c5b098da773d2

SHA512
2937754706927aaab81b90439f629de954b92e5ecd32743e9208864ecb5e447d70562fcf52145e8ff2dfddc1832f364d9e2c8fad07824a6a9a131ef50faefc1a

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
4ff72eae3bf509bd9669f821debada2e

SHA1
db4ccf908f1d37dae858acae83f0f81bb43e73af

SHA256
7cc09f4a491eb572171d64ed36a5d328dcc7438ee7770778a864616e87f6d640

SHA512
98dd20e4f6e39cad56014d62487f6f7edcd330a2d42110d8653e47b5a05e708f434332569746fd84785620301e497f3506ecad2581f9bf2a0be90d65f5e94339

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
3f8ff6c4e2defce22440223c1b9d091b

SHA1
1bbfb69cff83547511d920eca4d20ffca325dbb6

SHA256
ea8c953935ac1888175c6950d3f9ad310593bf47d864a3ebf02878363138beb7

SHA512
7758509c8f57fd33bc8894dd18cd7847cd47b199ba0eb39b985b5c6d0c8f23323aa40da43509ccf0569f149dec42cc20b2f8287541d397475480ab8d1b7140c8

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
5d028c9c6bc2e3cbc80455896ee63da8

SHA1
a923395377cca7233e29aa83910347c0c52177e8

SHA256
fd85e412924605f5ab7d616c69b187d66547d72c96cf53b8488878f99700ea0b

SHA512
46ad536cebdf113c29340ea1a5cb6d3ca289d2fc2f9bd660fda84d279261142ba68aa22b3bd0d94eab6eaa68556a55059de33dec3cd335fbec2372c2e30ffdea

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
6232dae083f6799e63a12c93ab0f2cef

SHA1
8869b7c711d8ae95f12162805b37163a5d99120c

SHA256
b4a5b44d02d4feafcbf87fa7ff23ea42ad2a55ade0376dc4da14e5a390c27dd9

SHA512
5ee408538ac20545a3531dbaf574ef8bd3d8ddb38d8b565bdc0b8381acaf22df3f18b6be98d407ef97bc8e37f024a3a35622ce3b73c2e9407b850cacffed77e2

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
2a0d09dd2e5dddad8ef4f17ff8002237

SHA1
f2c83c6661577dd70917a9a346f602c3faff3c0e

SHA256
91946475eafb10cdec39eaea605e7ceeb4dd4f6bfc82a7e9abd84991ca43e13a

SHA512
769586ff7137443a468facfe0eb48728a0d6332ae21c980213e0c9b2cea642240202e525bc60dc702efab29f85a98df68ed3debaefc2996e1cee467cfece76ef

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
952e0127ce571568f0c2e2c4f87df67a

SHA1
d3225b921b439b2daff063c48ede614dc4901814

SHA256
7e19c508afe50cf7dc9ab77b199b1a1f9c0afef249b4ea80d7b1c13b27499ce4

SHA512
e608f59ec9002ec5c04837ecb81dada006e217044f5cb6841950ce05a9a9cdbdebea1cad4fe96f4d9935f910a734795ec0aa5e3fe3a0dec22b944a3f6dcac74d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
0d297f80bd64a1f3efa262c32588210a

SHA1
2c4382c40855cb04a380626c1f05a67aeb82456c

SHA256
55acf5c9c1badbf8878be556b157d5ee81f43fd6aca6d811c4fd96d5da3aa233

SHA512
070c650394320bf81012363dd1d4bf9705871ebae678671d1c6e6b7496a7d069e5a2c9804d7e28f26e27d504ef67a5bfad1886d154561656cafc203259553bf2

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabD54B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD5AC.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1672-0-0x0000000000130000-0x0000000000132000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads