c4ed875f39ca675eaee1a4fb89ae6f76a4317d2588e290cb07db1286076cc1b9

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
15-07-2024 21:01

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General

Target

4b610174bcacb7630361832647b13e5d_JaffaCakes118.exe
Size

65KB
MD5

4b610174bcacb7630361832647b13e5d
SHA1

4a993bfca0aa95e7309344239a4b12360b86c91c
SHA256

c4ed875f39ca675eaee1a4fb89ae6f76a4317d2588e290cb07db1286076cc1b9
SHA512

6ce897686a0e2f738e0e7fa211a4209923e15af5cdd5b692630dde26b2c8672aa32a51b4aac9b50be2127e0faa20cd705574d00c27b9af2dd11d1e7f1edb960e
SSDEEP

1536:ubo7q7y47C4HnELSEWxEPA82Rua1fua1QZA:uE7qu47JOS9xEPA820/1A

Score

7^/10

adware persistence stealer

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	Rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
4876	Rundll32.exe

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\Adobe Acrobat ActiveX Control = "Rundll32 acrobat.dll,AInit"	4b610174bcacb7630361832647b13e5d_JaffaCakes118.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\{BD942DA7-96C8-4342-84C6-E2BCFE69FE11}	4b610174bcacb7630361832647b13e5d_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{BD942DA7-96C8-4342-84C6-E2BCFE69FE11}\NoExplorer = "1"	4b610174bcacb7630361832647b13e5d_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\acrobat.dll	4b610174bcacb7630361832647b13e5d_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1042281147"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{69BB2B72-42ED-11EF-AF84-7A5D0894EB59} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31119098"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "427842267"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31119098"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1045562358"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\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
Set value (int)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1042437620"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31119098"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD942DA7-96C8-4342-84C6-E2BCFE69FE11}\InprocServer32\ThreadingModel = "Apartment"	4b610174bcacb7630361832647b13e5d_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD942DA7-96C8-4342-84C6-E2BCFE69FE11}	4b610174bcacb7630361832647b13e5d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD942DA7-96C8-4342-84C6-E2BCFE69FE11}\ = "Adobe Acrobat ActiveX Control"	4b610174bcacb7630361832647b13e5d_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD942DA7-96C8-4342-84C6-E2BCFE69FE11}\InprocServer32	4b610174bcacb7630361832647b13e5d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BD942DA7-96C8-4342-84C6-E2BCFE69FE11}\InprocServer32\ = "C:\\Windows\\SysWow64\\acrobat.dll"	4b610174bcacb7630361832647b13e5d_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4960	4b610174bcacb7630361832647b13e5d_JaffaCakes118.exe
4960	4b610174bcacb7630361832647b13e5d_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4176	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4176	iexplore.exe
4176	iexplore.exe
3952	IEXPLORE.EXE
3952	IEXPLORE.EXE
3952	IEXPLORE.EXE
3952	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4960 wrote to memory of 4876	4960	4b610174bcacb7630361832647b13e5d_JaffaCakes118.exe	84
PID 4960 wrote to memory of 4876	4960	4b610174bcacb7630361832647b13e5d_JaffaCakes118.exe	84
PID 4960 wrote to memory of 4876	4960	4b610174bcacb7630361832647b13e5d_JaffaCakes118.exe	84
PID 4876 wrote to memory of 4176	4876	Rundll32.exe	87
PID 4876 wrote to memory of 4176	4876	Rundll32.exe	87
PID 4176 wrote to memory of 3952	4176	iexplore.exe	88
PID 4176 wrote to memory of 3952	4176	iexplore.exe	88
PID 4176 wrote to memory of 3952	4176	iexplore.exe	88

C:\Users\Admin\AppData\Local\Temp\4b610174bcacb7630361832647b13e5d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4b610174bcacb7630361832647b13e5d_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Windows\SysWOW64\Rundll32.exe
  Rundll32 acrobat.dll,AInit
  2⤵
  - Checks computer location settings
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:4876
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4176
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4176 CREDAT:17410 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:3952

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Windows\SysWOW64\acrobat.dll

Filesize
53KB

MD5
c579cef11a44c6b900969f1ecfc87890

SHA1
5b06d76dcc2ee66000058b9df950ed44c34b1585

SHA256
e89ff007848acab0091acc5c1e2e9fbee6801b09d90f0ff1295cf39a26f62e65

SHA512
89cb4891521acedc0c9cd55d37d8d8930d1ce7ef2d4f3a32b4509aef9f070a18edf9e3561590d7723cb0070b85dc25a5cb6194f83518bc064e3c43fbfe598b77

Download Submit
memory/4960-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download