cb960504fd796ca7ce5e4a00318a123a978e2585478464eddaa21aaef4165e1a

Analysis

max time kernel
146s
max time network
148s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 12:51

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General

Target

fcce10c26770bd9f2c5ad6f16cd95f11_JaffaCakes118.dll
Size

697KB
MD5

fcce10c26770bd9f2c5ad6f16cd95f11
SHA1

994913ff98a3e36c15047b0c3ed269a5c4082d10
SHA256

cb960504fd796ca7ce5e4a00318a123a978e2585478464eddaa21aaef4165e1a
SHA512

ce6d97972a24d5d9cbbcb4de41eae3f0844ec9236867954663c3b3dacfbd343c9b323882d0532e949ca0ded0c2eb0284fcc9a1d05a407f4ceb939be691426520
SSDEEP

12288:Z8rnt0EnGRzNJphx+0Z314ypeyMZlnctm1g1HZ7Q1ujjaZq7g76F:sSRzNJjpZ314GVMZln4mS1HZ7Q1ujjaI

Score

6^/10

adware 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\moxlddiwuefxrnofd = "C:\\Windows\\System32\\regsvr32.exe /s \"C:\\Users\\Admin\\AppData\\Local\\Temp\\fcce10c26770bd9f2c5ad6f16cd95f11_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\{20E0EB92-E3B8-D272-9C31-E148CAB28662}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{20E0EB92-E3B8-D272-9C31-E148CAB28662}\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 created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	regsvr32.exe
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

Modifies Internet Explorer settings 1 TTPs 27 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{C1F667E1-FF14-11EE-8547-E6D98B7EB028} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "419779387"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{20E0EB92-E3B8-D272-9C31-E148CAB28662}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fcce10c26770bd9f2c5ad6f16cd95f11_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{20E0EB92-E3B8-D272-9C31-E148CAB28662}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{20E0EB92-E3B8-D272-9C31-E148CAB28662}\ = "brincome browser plug-in"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{20E0EB92-E3B8-D272-9C31-E148CAB28662}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{20E0EB92-E3B8-D272-9C31-E148CAB28662}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1056	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1056	iexplore.exe
1056	iexplore.exe
2608	IEXPLORE.EXE
2608	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 1640	2088	regsvr32.exe	28
PID 2088 wrote to memory of 1640	2088	regsvr32.exe	28
PID 2088 wrote to memory of 1640	2088	regsvr32.exe	28
PID 2088 wrote to memory of 1640	2088	regsvr32.exe	28
PID 2088 wrote to memory of 1640	2088	regsvr32.exe	28
PID 2088 wrote to memory of 1640	2088	regsvr32.exe	28
PID 2088 wrote to memory of 1640	2088	regsvr32.exe	28
PID 1056 wrote to memory of 2608	1056	iexplore.exe	30
PID 1056 wrote to memory of 2608	1056	iexplore.exe	30
PID 1056 wrote to memory of 2608	1056	iexplore.exe	30
PID 1056 wrote to memory of 2608	1056	iexplore.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\fcce10c26770bd9f2c5ad6f16cd95f11_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\fcce10c26770bd9f2c5ad6f16cd95f11_JaffaCakes118.dll
  2⤵
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - Maps connected drives based on registry
  - Modifies registry class
  PID:1640

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:1056
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1056 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2608

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

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

Filesize
344B

MD5
a7b3661f7ea36712a756b9e650d4615e

SHA1
77d968b789d5c3d9a25b24eba7de3ff090c00b24

SHA256
821805f12ba9e53f1523f65feaaad3f1c9f3b40fe1d7705ff1ce410e356509c3

SHA512
9a9fb2c4c46d7c205a8ac04f1320f6e958c235935a3aecc696659e522c492fa29eeebb35017ef5cbde9546269178ff9c696069e2f48e60e0d7e45b9d9b228ede

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

Filesize
344B

MD5
81e190415cbc868daa21e9293c53cea5

SHA1
fbbf2fb9684eb61aaa2a4c6b04e6ceb828a0785f

SHA256
9ad23cf145c5e64c0cda32b96428e5f3815929f0f88ab18a2e0a92c3be496339

SHA512
69fc1d156cce5f1367d839152d487ac67833af60defddc20379305d9fab895a4cbd514745bbd8c9ad586388544096a3b266f6e48ab1a0b0d4c79a1f1e5363017

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

Filesize
344B

MD5
f734b83ba7b0e6b1e7558a94688ac0ae

SHA1
835a69bceb30f8909080a6fe886a1d87e7df2112

SHA256
0b5065faed4f11e61f436edceef4afce2192aa641755d412058e8dab5b792635

SHA512
2f43ac58af5cf3b322721023dae9637d8ef92f74667d42d7103444ef8cacb0ac27f29e0e6b3aa786a4335ccb220c4ce4735df4b90c90ae1fa66a291228bc8a09

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

Filesize
344B

MD5
5fc3c8e0ae3edad129fb151ac2ceab5c

SHA1
0736be5d4d33371df37f5f1316e88bac0cfee72a

SHA256
5e4493f21110ed51aaef7c26bf1331415a500330c36663e960a25d6546781442

SHA512
c17001612d1494e875dc7868d66eef28ca7776bee6c5e253f1365b4793f44fba9d2d29c925487bd3b81d300fb1544fac9172ad8cf2a54a5471e0e6b89fd3e154

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

Filesize
344B

MD5
5fdf935d70cc686791d3261cce8b55e0

SHA1
6361c9cd2f290cd36fd992d61db53accd89b56d2

SHA256
6613e0413320a3bf238bc8ccf4865aa3bfa1128b64be6ec649a14fddfb844ce4

SHA512
ca9d6a6b7c27e19db1f37ad6b52dce86ca4d859c3d9d3e96463e2c96ff59fee13c3e3238f717406111998d8054928f724d0f420fb7678dbe3006f56b434d32e8

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

Filesize
344B

MD5
607299d334d8f1c572c9a7133b81f3a5

SHA1
8ef8a7ba3fa415a7c8d70004a8cb68f8ed125969

SHA256
e4210fb9f4c90db02b2eabbadce0cff5f7822b80e995281e145f0b17c6bc9984

SHA512
008b93e8f49ce5b8de1cf83a026aaf14fee6f21c50636ae94ef2c6a8dc3a8b477075a49933fe9a0702855c379fc130b4a14e353ba4f1a9e62982a68d9a4c353d

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

Filesize
344B

MD5
83306247afa7d62b3638d3106e8caa5c

SHA1
e3a0a3489617c3e8553fdfee6b9d105673a48660

SHA256
96981b365897c7d6544f105bcbc53b7e5c553b4c75c708ef6b3b70d75ba35f9d

SHA512
b5c273af9d663e86f05f1f686a42e1f69ecfdcef15ea2984207191505127d8ffcac9b9995ca1a936ab60b96f3040363d211c3b4369b8501fdffcb2cb95aa1e4b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar1E9F.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
memory/1640-0-0x00000000001A0000-0x00000000001A2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads