locky | bd9a3d09c31a034a9434a5f182624b70e418ed4421ee991069d3b47a156bd6ba

Analysis

max time kernel
145s
max time network
140s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
28/09/2024, 08:18

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General

Target
fbe08cc20207d5c4f61757484568b9b0_JaffaCakes118.exe
Size 371KB
Sample240928-j7arrayamd
SHA256 bd9a3d09c31a034a9434a5f182624b70e418ed4421ee991069d3b47a156bd6ba
MD5 fbe08cc20207d5c4f61757484568b9b0
SHA1 6d8e0490a7cb768fa0895c5a907b0e0b722e1eb9
SHA512 30dd24627b78e5281d34fbc5ddd95adb6280515ca5c6479930552303e06af7f451b49e7f598966ae25a9ad1105f402c0e5ea440aa0e15561266d1baa548744cd
SSDEEP 6144:axXJ/Kda/zF8OgQaXhbD2ZuV6L3hXmUBpbrdmc/klwQBG1LznBHDTBrEpt4IQXZo:axXJ/6GFTlaXZ6L3IqJJmc/SwQg1LznU
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

locky locky_osiris defense_evasion discovery ransomware

Malware Config

Signatures

Locky
Ransomware strain released in 2016, with advanced features like anti-analysis.
ransomware locky
Locky (Osiris variant)
Variant of the Locky ransomware seen in the wild since early 2017.
ransomware locky_osiris
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

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\DesktopOSIRIS.bmp"	fbe08cc20207d5c4f61757484568b9b0_JaffaCakes118.exe

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

System Information Discovery
T1082

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	DllHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fbe08cc20207d5c4f61757484568b9b0_JaffaCakes118.exe

Modifies Control Panel 2 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Control Panel\Desktop\WallpaperStyle = "0"	fbe08cc20207d5c4f61757484568b9b0_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Control Panel\Desktop\TileWallpaper = "0"	fbe08cc20207d5c4f61757484568b9b0_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "433673368"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000000d854e951ecdca4792ad3aea80f0355100000000020000000000106600000001000020000000943ed99de7e73f39e73ff020e1eca385fb01acd3694d5c33b078c0eb586aeb36000000000e8000000002000020000000c673c1f7df08d393f0c8970edfdd3c9e418de01ef307ffa7004ae37a8af690de20000000c9b5e3b85b45a2237ced6f340a1febada9a5d437160feed991b576822f535c654000000002bbe879d20d5d8aff7952ad937cc895e61e7f5855a61824ba5fe45c97198d4ffcf0c4a2d13fb8d7d06ce41bfd50fb0c7c1de94df3308b80d6a738caca3c82b5	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{38DC9291-7D72-11EF-91DA-667598992E52} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 00a05d0d7f11db01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2196	iexplore.exe
1996	DllHost.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2196	iexplore.exe
2196	iexplore.exe
2820	IEXPLORE.EXE
2820	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 2196	1196	fbe08cc20207d5c4f61757484568b9b0_JaffaCakes118.exe	32
PID 1196 wrote to memory of 2196	1196	fbe08cc20207d5c4f61757484568b9b0_JaffaCakes118.exe	32
PID 1196 wrote to memory of 2196	1196	fbe08cc20207d5c4f61757484568b9b0_JaffaCakes118.exe	32
PID 1196 wrote to memory of 2196	1196	fbe08cc20207d5c4f61757484568b9b0_JaffaCakes118.exe	32
PID 2196 wrote to memory of 2820	2196	iexplore.exe	34
PID 2196 wrote to memory of 2820	2196	iexplore.exe	34
PID 2196 wrote to memory of 2820	2196	iexplore.exe	34
PID 2196 wrote to memory of 2820	2196	iexplore.exe	34
PID 1196 wrote to memory of 2836	1196	fbe08cc20207d5c4f61757484568b9b0_JaffaCakes118.exe	35
PID 1196 wrote to memory of 2836	1196	fbe08cc20207d5c4f61757484568b9b0_JaffaCakes118.exe	35
PID 1196 wrote to memory of 2836	1196	fbe08cc20207d5c4f61757484568b9b0_JaffaCakes118.exe	35
PID 1196 wrote to memory of 2836	1196	fbe08cc20207d5c4f61757484568b9b0_JaffaCakes118.exe	35

C:\Users\Admin\AppData\Local\Temp\fbe08cc20207d5c4f61757484568b9b0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fbe08cc20207d5c4f61757484568b9b0_JaffaCakes118.exe"
1⤵
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\DesktopOSIRIS.htm
  2⤵
  - 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:275457 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2820
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\fbe08cc20207d5c4f61757484568b9b0_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2836

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
PID:1996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

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