6f32c86bd9eaa31a11b1b9b257ca20048e0ef15dcbbe04d6c0ef833824bfff89

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20/04/2024, 22:01

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General

Target

fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
Size

66KB
MD5

fdbe6efb483f4c3268714f7e1c48db16
SHA1

c02c0792e5202f064fee8132d2a9cb0b7402c206
SHA256

6f32c86bd9eaa31a11b1b9b257ca20048e0ef15dcbbe04d6c0ef833824bfff89
SHA512

2ca1dd136c2817c20f5ee9739c2096ed5e9d1c7bcabd8380b1760b543d52614cfa6a9abfb0ab26d59d293cbb5014d501d5663cadfdfd36c85cf05049c06f1e90
SSDEEP

1536:T6XMEmINbEWsWfWjTBV3oLCHP/Aia9VTw6SFyVexqip:WXM6QWKTYWv/bac6Stqip

Score

8^/10

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\lljyn_df = "C:\\Windows\\system\\lljyn080930.exe"	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe

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-1-5-21-259785868-298165991-4178590326-1000\Control Panel\International\Geo\Nation	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\system\lljyn080930.exe	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
File opened for modification	C:\Windows\system\lljyn080930.exe	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
File opened for modification	C:\Windows\system\lljyn32.dll	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
File created	C:\Windows\system\lljyn32.dll	fdbe6efb483f4c3268714f7e1c48db16_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 31 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Check_Associations = "no"	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\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-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1648042219"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31101806"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1644760766"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8DAB6E74-FF61-11EE-B44A-FE5B5C383FAD} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31101806"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31101806"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1644760766"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "420415469"	iexplore.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4264	PING.EXE

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
Token: SeDebugPrivilege	1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
Token: SeDebugPrivilege	1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
Token: SeDebugPrivilege	1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1004	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1004	iexplore.exe
1004	iexplore.exe
2548	IEXPLORE.EXE
2548	IEXPLORE.EXE
2548	IEXPLORE.EXE
2548	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 1004	1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe	94
PID 1532 wrote to memory of 1004	1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe	94
PID 1004 wrote to memory of 2548	1004	iexplore.exe	95
PID 1004 wrote to memory of 2548	1004	iexplore.exe	95
PID 1004 wrote to memory of 2548	1004	iexplore.exe	95
PID 1532 wrote to memory of 1004	1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe	94
PID 1532 wrote to memory of 4852	1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe	98
PID 1532 wrote to memory of 4852	1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe	98
PID 1532 wrote to memory of 4852	1532	fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe	98
PID 4852 wrote to memory of 4264	4852	cmd.exe	100
PID 4852 wrote to memory of 4264	4852	cmd.exe	100
PID 4852 wrote to memory of 4264	4852	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fdbe6efb483f4c3268714f7e1c48db16_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Checks computer location settings
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1532
- 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:1004
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1004 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2548
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\dfDelmlljy.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4852
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:4264

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

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\lljyndf16.ini

Filesize
86B

MD5
1270b9ef7ca742ed71d84b92d70eed45

SHA1
b6713ece7d3aa64ac340bf2bd8b74464a4f5bfb9

SHA256
c17fe1b1e70f091beb6c1ecc58e1114196903a06a62e460e21ee09ecff68b2c8

SHA512
7d9fed41db9fd29d86b3737952084bc696362af9c304883222b52bdfb013c734ac38773c635080a8897156e6c345fe696cd585d8f6381870eabb6bcf25fb808b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\3A2IAT6Y\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
C:\dfDelmlljy.bat

Filesize
233B

MD5
3bda0d60e75d93d16c8a13780b59d77d

SHA1
b2ccd777f2aa582bf614ac73f25710ce9b0c9649

SHA256
e96927e61c661af54911aef412777cc3430d617fc7675427736c2c838ef86af5

SHA512
986b3db581cd19efd8c3122fd1f1e0c6ab13342b999c0bf66f547e04b20947f8dc2a189dcf0f1fef0515520db1df62cab388d3cb7ff4e369727cc0356b8b4f80

Download Submit