5c302e8ae763e0d918978dacc3031dc4c4425757dd1bfed53f6b776e9b9003ee

Analysis

max time kernel
139s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 17:00

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General

Target

a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.exe
Size

89KB
MD5

a77ca5793b0e5f4a28ea576cf988b5c8
SHA1

81f7599be4e590386de12b4366716433bf10a017
SHA256

5c302e8ae763e0d918978dacc3031dc4c4425757dd1bfed53f6b776e9b9003ee
SHA512

d5bad9f53fd913afb44d4cad0888b4a71417f81924b8694eb6be7e2394889858e583ee2c193c7d2e1c3d94370c08cb4f6781569c9a1e9d8d3577f4d100e23e8f
SSDEEP

1536:L8dOoemFFLr/5P8MdiEWzHc/toONCoCinYQ13gLspuIJK/k1lJSU5xfO3:6PemFN5GEeH2qAcinYQJgLAK/2F5xW3

Score

7^/10

discovery persistence

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
3440	a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.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\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSSMSGS = "rundll32.exe winueb32.rom,VLfhEzq"	a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winueb32.rom	a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\winueb32.rom	a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1112	3440	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 4 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	a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Internet Explorer settings 1 TTPs 29 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31125904"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "430765421"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1039691211"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{699F92D9-5D83-11EF-AC6B-762C928CCA03} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31125904"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31125904"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1042347740"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1039691211"	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2672	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2672	iexplore.exe
2672	iexplore.exe
4820	IEXPLORE.EXE
4820	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3440 wrote to memory of 3596	3440	a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.exe	87
PID 3440 wrote to memory of 3596	3440	a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.exe	87
PID 3440 wrote to memory of 3596	3440	a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.exe	87
PID 3596 wrote to memory of 2672	3596	cmd.exe	89
PID 3596 wrote to memory of 2672	3596	cmd.exe	89
PID 2672 wrote to memory of 4820	2672	iexplore.exe	91
PID 2672 wrote to memory of 4820	2672	iexplore.exe	91
PID 2672 wrote to memory of 4820	2672	iexplore.exe	91
PID 3440 wrote to memory of 2672	3440	a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.exe	89
PID 3440 wrote to memory of 2672	3440	a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.exe	89
PID 3440 wrote to memory of 3384	3440	a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.exe	55
PID 3440 wrote to memory of 3384	3440	a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.exe	55
PID 3440 wrote to memory of 4504	3440	a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.exe	97
PID 3440 wrote to memory of 4504	3440	a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.exe	97
PID 3440 wrote to memory of 4504	3440	a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3384
- C:\Users\Admin\AppData\Local\Temp\a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a77ca5793b0e5f4a28ea576cf988b5c8_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3440
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c start iexplore -embedding
    3⤵
    - Checks computer location settings
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3596
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -embedding
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2672
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2672 CREDAT:17410 /prefetch:2
        5⤵
        System Location Discovery: System Language Discovery
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:4820
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\sam8EF2.bat"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4504
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 412
    3⤵
    - Program crash
    PID:1112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3440 -ip 3440
1⤵
PID:4012

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

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

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\Local\Microsoft\Windows\INetCache\IE\BRZNMQLE\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\sam8EF2.bat

Filesize
188B

MD5
2c9ff921e9709dd94e1138bdf1096407

SHA1
13644e682fdd75f736eb341c5f1b5d45463552fd

SHA256
92602785b68f59a5efc002e77bb790f8e9192c6155230794c0cae5d761285a1b

SHA512
e0a28beb89bf8633b8f114d6adc5b241cee12cf705707e43a216002f29b4ff6d986a42ddadf693629333aae555385040c85b351a1f21abea46c5e826fa3b0c33

Download Submit
C:\Users\Admin\AppData\Local\Temp\sam8EF2.tmp

Filesize
62KB

MD5
879f3a89a30ec3b2eb0844fb4d9f3611

SHA1
90c9f4da9bfd40d6556d32791692f5d45f193af6

SHA256
f002661e6690ee0d51d43e397d42a60b3259e4a5ca44c5d78db548c48d42b149

SHA512
41f64b84f71cd1a024d69f21e5c28b305c3a76e30eb8897bd51f5c6cc0dd4d1768edfda754b84cecb1b6493ebbe5d7374362e915f77560fdc215257df0ef3001

Download Submit
memory/3384-8-0x000000007FFF0000-0x000000007FFF1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads