locky | d905b57d7913430f33e03ab345a0d10f8d64b2132622de69905e631aa74ec9cb

Analysis

max time kernel
139s
max time network
140s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
15/05/2024, 16:24

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General

Target
4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe
Size 395KB
Sample240515-twvb5ahf52
SHA256 d905b57d7913430f33e03ab345a0d10f8d64b2132622de69905e631aa74ec9cb
MD5 4702bb70196fe10d61993bfe8f54da76
SHA1 e546e0859edfeaae9a516d57a1b934c75bcb74b9
SHA512 1634cdc2c2f8971f48369af01f70aaa45aff00d5f1e9f6d5009e998fb7d257b242ccc3dfca91ac677bcef07577c0ece30dec3d77bad68b39128103ca6d948d22
SSDEEP 6144:VG4GadNgCZtHYi7S82RRxysGFH4Rexnkqn1DPVGN:A4fdNjtHYXHlGV4arn1D
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

locky locky_osiris 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

Deletes itself 1 IoCs

pid	Process
1224	cmd.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\DesktopOSIRIS.bmp"	4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe

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

System Information Discovery
T1082

Modifies Control Panel 2 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Control Panel\Desktop\WallpaperStyle = "0"	4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Control Panel\Desktop\TileWallpaper = "0"	4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{D58F9C51-12D7-11EF-965F-FA9381F5F0AB} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "421952236"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 306e09aae4a6da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000bd2a7708e9798e4fa0b20f3efd8e9361000000000200000000001066000000010000200000006aabcce23c75a30f1f532c595479b00f5ed68889bf4e175bca4b1985a96c7a22000000000e800000000200002000000084a7abf513f6f9f485f367cd82984ce2b5fca12cd7ac014ccaafe8c9214e100a20000000cd1cd11c428edfc6c785da7eeb9a01c7e2f6050f9d1b29931d2725cf16edab344000000043f16ab296faa2f00f395fc71019853017e7fa26f204eeda488945c7db74774c404a74aba54894d13ce5141481cce1856e5ee92840c069031deef9f8d4ddc2c6	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2016	iexplore.exe
1296	DllHost.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2016	iexplore.exe
2016	iexplore.exe
2792	IEXPLORE.EXE
2792	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 2016	1264	4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe	31
PID 1264 wrote to memory of 2016	1264	4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe	31
PID 1264 wrote to memory of 2016	1264	4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe	31
PID 1264 wrote to memory of 2016	1264	4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe	31
PID 2016 wrote to memory of 2792	2016	iexplore.exe	33
PID 2016 wrote to memory of 2792	2016	iexplore.exe	33
PID 2016 wrote to memory of 2792	2016	iexplore.exe	33
PID 2016 wrote to memory of 2792	2016	iexplore.exe	33
PID 1264 wrote to memory of 1224	1264	4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe	34
PID 1264 wrote to memory of 1224	1264	4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe	34
PID 1264 wrote to memory of 1224	1264	4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe	34
PID 1264 wrote to memory of 1224	1264	4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe	34

C:\Users\Admin\AppData\Local\Temp\4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe"
1⤵
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:1264
- 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:2016
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2016 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2792
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\4702bb70196fe10d61993bfe8f54da76_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  PID:1224

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Suspicious use of FindShellTrayWindow
PID:1296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

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