966dfa7b98c286d5fba0cb9f35d1bb1d5db9378303c0303fd8d93babb4d2b473

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 00:13

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General

Target

ea3ba60e60f5f03ca2cc19a933a6afbb_JaffaCakes118.exe
Size

53KB
MD5

ea3ba60e60f5f03ca2cc19a933a6afbb
SHA1

73a1aff34dd4ca3abcdeb3f20ca455d2b19f8118
SHA256

966dfa7b98c286d5fba0cb9f35d1bb1d5db9378303c0303fd8d93babb4d2b473
SHA512

8ffaafdafe2fe0c83b463854dba645308df20dd44e178eea9c324de4ac5ca218351ebe51a723b963660fc92b570decdbe21fc0248253dbb2e1174924c986316f
SSDEEP

1536:hcZIKbMEHr1CR6XAjXgBJlvxzr6967XVYr7Wr:ivtLa6XIgTlvQAXU7k

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
3704	ea3ba60e60f5f03ca2cc19a933a6afbb_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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSSMSGS = "rundll32.exe winyup32.rom,JCOKUmOAPBFQ"	ea3ba60e60f5f03ca2cc19a933a6afbb_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winyup32.rom	ea3ba60e60f5f03ca2cc19a933a6afbb_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\winyup32.rom	ea3ba60e60f5f03ca2cc19a933a6afbb_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
1424	3704	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ea3ba60e60f5f03ca2cc19a933a6afbb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Internet Explorer settings 1 TTPs 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3656766190"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31132200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31132200"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3656766190"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31132200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3657703592"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "433469794"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31132200"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{057DF8EA-761C-11EF-B1C5-62872261FF50} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3657703592"	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2196	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2196	iexplore.exe
2196	iexplore.exe
2216	IEXPLORE.EXE
2216	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3704 wrote to memory of 3748	3704	ea3ba60e60f5f03ca2cc19a933a6afbb_JaffaCakes118.exe	89
PID 3704 wrote to memory of 3748	3704	ea3ba60e60f5f03ca2cc19a933a6afbb_JaffaCakes118.exe	89
PID 3704 wrote to memory of 3748	3704	ea3ba60e60f5f03ca2cc19a933a6afbb_JaffaCakes118.exe	89
PID 3748 wrote to memory of 2196	3748	cmd.exe	91
PID 3748 wrote to memory of 2196	3748	cmd.exe	91
PID 2196 wrote to memory of 2216	2196	iexplore.exe	93
PID 2196 wrote to memory of 2216	2196	iexplore.exe	93
PID 2196 wrote to memory of 2216	2196	iexplore.exe	93
PID 3704 wrote to memory of 2196	3704	ea3ba60e60f5f03ca2cc19a933a6afbb_JaffaCakes118.exe	91
PID 3704 wrote to memory of 2196	3704	ea3ba60e60f5f03ca2cc19a933a6afbb_JaffaCakes118.exe	91
PID 3704 wrote to memory of 3412	3704	ea3ba60e60f5f03ca2cc19a933a6afbb_JaffaCakes118.exe	96
PID 3704 wrote to memory of 3412	3704	ea3ba60e60f5f03ca2cc19a933a6afbb_JaffaCakes118.exe	96
PID 3704 wrote to memory of 3412	3704	ea3ba60e60f5f03ca2cc19a933a6afbb_JaffaCakes118.exe	96

C:\Users\Admin\AppData\Local\Temp\ea3ba60e60f5f03ca2cc19a933a6afbb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ea3ba60e60f5f03ca2cc19a933a6afbb_JaffaCakes118.exe"
1⤵
- 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:3704
- C:\Windows\SysWOW64\cmd.exe
  cmd /c start iexplore -embedding
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3748
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -embedding
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2196
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2196 CREDAT:17410 /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:2216
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\chr8443.bat"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3412
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3704 -s 524
  2⤵
  - Program crash
  PID:1424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3704 -ip 3704
1⤵
PID:4492

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\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

Filesize
471B

MD5
33bac9325241193616461afd5a0deb0c

SHA1
e78ed72996568bc9616f4d6b20403749252b4859

SHA256
cb0b78d15b774b91ab6f6ef315a14f301b85b40122a72622818753212538f5b7

SHA512
3054cbd1551e36a747fc4c7086d3cc484530ea13d44279b4f5f92d462d91d7e3322bb240edeedd517751c00949a6264b50322464e446290726fde18ac4eb2e2e

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

Filesize
404B

MD5
aba22522dca9794c8131674a91e6c03d

SHA1
50b1551da72f8b121bb3ecb35705147899e4db71

SHA256
f1793c579afc2c059e037b9756f2c90274471ef8e3a987c8c24fa693ad23efea

SHA512
bc5ef5036e522841cd2d7857674df6237379628f0fe2ac2faa90810af116b22f5f2864c520ea6097cdad479ec53c74132b9565e1c366bc06df29477c862920ab

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\ver175B.tmp

Filesize
15KB

MD5
1a545d0052b581fbb2ab4c52133846bc

SHA1
62f3266a9b9925cd6d98658b92adec673cbe3dd3

SHA256
557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1

SHA512
bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\IFM58U6K\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\Users\Admin\AppData\Local\Temp\chr8443.bat

Filesize
188B

MD5
89bc7a9a6a3b9f78eb057f4414f46ee9

SHA1
f0fa5596c83450ef73902b0dfa53dec2573765f9

SHA256
bd5f011ef52549e2089963306f13c961a849c7381fa4417c07b40c3cc2a8c2bd

SHA512
ad758ed3e8d05db8367da5cab9b54357e6614a191f871743eb185bed2d0ab5ac7db32b26d91b20a360f97c165d1fdb52d9807135b5f7a36f3ecfda30115c2100

Download Submit
C:\Users\Admin\AppData\Local\Temp\chr8443.tmp

Filesize
36KB

MD5
a62361bd403ce34dda16565646d8254a

SHA1
437126ed64ba06a5eac459484bd07ba1214b0584

SHA256
79ffb362bcef31256c87c16c6f4b805e45cf27b3ef5d619a4207ccf0d5efc00b

SHA512
8c51e3cdda1f475dbf4a72ce220607351f528964cbfaa1a1a994dbf0f45d024ade170129a1a5a2d6a690c787965c9857f7d9e985474a71a9dd1d7f04d55c6455

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads