5dc6448a8284a801a886475a3710ec014148ae06fbd46cd0a776d5dde48036f6

Analysis

max time kernel
145s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 07:56

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General

Target

bae9847305e78eaede8588494d3dbd78_JaffaCakes118.dll
Size

376KB
MD5

bae9847305e78eaede8588494d3dbd78
SHA1

1d6532f1082caae4781b1823a5a7fde932c32ea9
SHA256

5dc6448a8284a801a886475a3710ec014148ae06fbd46cd0a776d5dde48036f6
SHA512

d0aba15f69359540c6180fd886544de417a77bc070d8c20bd977ce712df7669e5167ba7e83a35aebaf18662590bbf9d24d6fca0c38603ae8ee798546919b33c0
SSDEEP

6144:uVAJ92Ubj+ilgBTrfyN7DqvLQoM6SaJVMkoUkWPNhk7CSI0t3569/n5:uVAb2Cj+ilUyNXuLFJS8VnoNWPw7COt

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\nrpnguqpmneh = "C:\\Windows\\System32\\regsvr32.exe /s \"C:\\Users\\Admin\\AppData\\Local\\Temp\\bae9847305e78eaede8588494d3dbd78_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\{FBFC07FA-278D-7850-636F-2E25C172BD86}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{FBFC07FA-278D-7850-636F-2E25C172BD86}\NoExplorer = "1"	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	ielowutil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 40 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "136140564"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "136296349"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\MINIE	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31126834"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000009a7bf3bae5f3a549b81f23758225dc5c00000000020000000000106600000001000020000000bbb70fa867c23280944548a701dafc0b19e171b7a6ef2b294f780896969325c4000000000e80000000020000200000005c1888a42c809db4e5dc34be633d5004352ec918f672b17af779e1b3c371bbf22000000023087b74e0ab689ca9c1b69496efbe81771d09de32a3853e7f10b3638281e8d64000000013100f5e44660ba32071fa104e40d8f146a8a1056ab842f8d31bd17ca804ba0e0e9ec9b2c0df8a8a956693d1a476a4816b02532040aadf5fbae8db0e31a65ef9	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f031b80832f5da01	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000009a7bf3bae5f3a549b81f23758225dc5c00000000020000000000106600000001000020000000c06aac3de6e8cf24ee3924908ef0fbbb80f79b95101fab258df8a030865ba838000000000e8000000002000020000000f3140456258c084f6abf930f8ca8c66af8b33308b596bed3d8c4ce2a2d10767b200000000e7c250f3e8a78c0643c6e38334817b4d71a2d3532913753820a82ce78e0333e4000000094cb66c3dbb01d6ec446c3c6201d6792aec823660d22aeaa86222d74d100b1dfd5200732c0f33632a36f885e6a0e9e371286d39cf6c8a03c2b28b4023c55a6c5	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "144890604"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "431164762"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{33736B46-6125-11EF-A2A4-C63D5579F9B2} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31126834"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31126834"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 0006b10832f5da01	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "144890604"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31126834"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFC07FA-278D-7850-636F-2E25C172BD86}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bae9847305e78eaede8588494d3dbd78_JaffaCakes118.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFC07FA-278D-7850-636F-2E25C172BD86}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFC07FA-278D-7850-636F-2E25C172BD86}\ = "milehighads browser enhancer"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFC07FA-278D-7850-636F-2E25C172BD86}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FBFC07FA-278D-7850-636F-2E25C172BD86}\InProcServer32\ThreadingModel = "Apartment"	regsvr32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4356	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4356	iexplore.exe
4356	iexplore.exe
4720	IEXPLORE.EXE
4720	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 4624	2580	regsvr32.exe	93
PID 2580 wrote to memory of 4624	2580	regsvr32.exe	93
PID 2580 wrote to memory of 4624	2580	regsvr32.exe	93
PID 4356 wrote to memory of 4720	4356	iexplore.exe	98
PID 4356 wrote to memory of 4720	4356	iexplore.exe	98
PID 4356 wrote to memory of 4720	4356	iexplore.exe	98

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\bae9847305e78eaede8588494d3dbd78_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\bae9847305e78eaede8588494d3dbd78_JaffaCakes118.dll
  2⤵
  - Adds Run key to start application
  - Installs/modifies Browser Helper Object
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:4624

C:\Program Files (x86)\Internet Explorer\ielowutil.exe
"C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
1⤵
- System Location Discovery: System Language Discovery
PID:1456

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:4356
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4356 CREDAT:17410 /prefetch:2
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:4720

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 --field-trial-handle=4292,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=4380 /prefetch:8
1⤵
PID:2372

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

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\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
a1c417847345e36bed0f299c81583b46

SHA1
883a1ef9113a8b3c18e1bc11de36852c732687c2

SHA256
4ed45f1f55fab97ff73b166b9e234c99ce5ad410a13d49e8404ca5ef5123f027

SHA512
a44e9a1dde676408292d60c5934a962596052c8fb656b52877e4441191c85222a45e574436ce0549deeb9639a6649c3e9e91cc7b8ebfbeedb7ba89c7fbc6f93f

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
404B

MD5
bcd0bfddd53c815cb714289461e06b53

SHA1
c5274cd97691254a2a2f6529940dbc388c3379ad

SHA256
791c969098b7da1a21f28a576b3cb65a9383b8b0dbcb60df592c8595ceee7c31

SHA512
14088eece7c68fbd9d637b3252b68312c4c7ffd0fb7d10b7c65574fdde696a524125c14eecd7a53d9e17babc1ffaff9e413510169d13bbb6e7244e9b50f63a70

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver26F7.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XHVIU6BA\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads