2b61b98eee2c4c57471cafad207412b2f30c3ac4193b50a33e42959a66158128

Analysis

max time kernel
138s
max time network
123s
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, 21:59

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General

Target

a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
Size

39KB
MD5

a860f955f983c82473781d910b97c1b9
SHA1

43f57e56024cdc4d1beda1801d23fa45ec288e6a
SHA256

2b61b98eee2c4c57471cafad207412b2f30c3ac4193b50a33e42959a66158128
SHA512

4819540e86240df9b94688168c748d05ffccde8eed8f9214b0b2c05e328d2f6be3f9792c76fe8a284ea2d9f671fd620403a08cae494d3ce9db7f90b3fb965164
SSDEEP

768:gfpCJOuJsRgmLmLCk9d8dJTLizTqqHw/wzc5DVOpcgetTFBGa:4CVkZmLL87inZ6F5hJPTFsa

Score

8^/10

defense_evasion discovery persistence

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\dlncjjcdfc = "C:\\Windows\\system\\llwzjy081219.exe"	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\system\llwzjy081219.exe	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
File opened for modification	C:\Windows\system\llwzjy081219.exe	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
File opened for modification	C:\Windows\system\mvjcj32dla.dll	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
File created	C:\Windows\system\mvjcj32dla.dll	a860f955f983c82473781d910b97c1b9_JaffaCakes118.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	a860f955f983c82473781d910b97c1b9_JaffaCakes118.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 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "214297237"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "214297237"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31125946"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31125946"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "219609795"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{386F720E-5DAD-11EF-9A03-F2CE673D6489} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\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 (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Check_Associations = "no"	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31125946"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "430783377"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
Token: SeDebugPrivilege	4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
Token: SeDebugPrivilege	4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
Token: SeDebugPrivilege	4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3992	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3992	iexplore.exe
3992	iexplore.exe
3496	IEXPLORE.EXE
3496	IEXPLORE.EXE
3496	IEXPLORE.EXE
3496	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4360 wrote to memory of 3992	4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe	95
PID 4360 wrote to memory of 3992	4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe	95
PID 3992 wrote to memory of 3496	3992	iexplore.exe	96
PID 3992 wrote to memory of 3496	3992	iexplore.exe	96
PID 3992 wrote to memory of 3496	3992	iexplore.exe	96
PID 4360 wrote to memory of 3992	4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe	95
PID 4360 wrote to memory of 2124	4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe	97
PID 4360 wrote to memory of 2124	4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe	97
PID 4360 wrote to memory of 2124	4360	a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4360
- C:\program files\internet explorer\iexplore.exe
  "C:\program files\internet explorer\iexplore.exe"
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3992
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3992 CREDAT:17410 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:3496
- C:\Windows\SysWOW64\cmd.exe
  cmd /c del "C:\Users\Admin\AppData\Local\Temp\a860f955f983c82473781d910b97c1b9_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2124

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

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\jjjydf16.ini

Filesize
86B

MD5
827088dc06446a85fde79293359982a2

SHA1
1e40b157fb12673a3bd6accb2dda3574e738b543

SHA256
31abb298e1ce47ffbeb170fb207f8e9737eac3076632fc63f7f8e52aba6bd4d9

SHA512
655f99de8534b93dafc7680547b5dcce734a8ed0066274fee2bd2663f7745c9e985dc019671f9efa74462a6ae862337df069d4fc7d2ce035f9a8102b4bf59c3c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FGWUB7UN\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/4360-0-0x0000000000690000-0x00000000006C1000-memory.dmp

Filesize
196KB

Download
memory/4360-12-0x0000000000690000-0x00000000006C1000-memory.dmp

Filesize
196KB

Download
memory/4360-13-0x0000000000690000-0x00000000006C1000-memory.dmp

Filesize
196KB

Download