locky | 49ffc90ff02fb02e0d9401bcee07583533aef33f84eb028a8ff0e996f1a1e1a6

Analysis

max time kernel
121s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14/09/2024, 09:47

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General

Target
dff0940a39675fe15fdf0dfbf6fa1549_JaffaCakes118.exe
Size 411KB
Sample240914-lsgymaycle
SHA256 49ffc90ff02fb02e0d9401bcee07583533aef33f84eb028a8ff0e996f1a1e1a6
MD5 dff0940a39675fe15fdf0dfbf6fa1549
SHA1 e85713e8074d02a21cfa9b8ace7723e9540774cb
SHA512 d9b7307f0ea3abbb5bbd2e01e55060c5623ff279a33746e79d98606163dc5172912c2718d6aec0aadd61e75712116f06ba65c80b70f1f97574d442765205da39
SSDEEP 6144:DvZojeATcNGmaTePGEysp5BBQXQkhB9q6KoFx5a4NcmQRulVQF2EgoS2UFMeu:TZyeAToaaPG3spfiB1KMKGEgoXovu
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

Deletes itself 1 IoCs

pid	Process
2860	cmd.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

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\DesktopOSIRIS.bmp"	dff0940a39675fe15fdf0dfbf6fa1549_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	dff0940a39675fe15fdf0dfbf6fa1549_JaffaCakes118.exe

Modifies Control Panel 2 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Control Panel\Desktop\WallpaperStyle = "0"	dff0940a39675fe15fdf0dfbf6fa1549_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Control Panel\Desktop\TileWallpaper = "0"	dff0940a39675fe15fdf0dfbf6fa1549_JaffaCakes118.exe

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 5043be3a8b06db01	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000078a0cc6b0b830b4fbbc12dd3fac6f54200000000020000000000106600000001000020000000ab140478da3fd7ba1ef15c76c2361aab0e107171b6fc669db29a71aa8eec9d0a000000000e8000000002000020000000ce89bd46331cd55831c299c87b9e81c409d2e119edb27d7867c89945b11a0df4900000006d6ef1475c57494fdba766797d0c04f13951ccc72949eff565a0f61185f7747a7e7ab2dc8e2a3915cac18cfb3aa0374f61a211374f985d0b8a203a5ecd0a20051204129b73e969aaf4709edd3ebad6bb8afde09b63e08b6689aae6e95ac757006ba121b8c6bc7d9788f399eda396f5a14d93bc52409367eb4ffc0b58a33a14fd1e51f3d99b33b9791c67313b0e5a6ea440000000eb46aa6b09d2145c742b92d8e12b6eb112e3cc72189d546a07f139c014dd37f3f7e169f109f8a84845b04815aa8a7b0ae12d5cf5e628195fe8439faba5cde7c4	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\SearchScopes	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{661BDAD1-727E-11EF-8287-5EE01BAFE073} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000078a0cc6b0b830b4fbbc12dd3fac6f542000000000200000000001066000000010000200000009d4513c9828160c7543bf2132cc4aa3c6ecb32c73d1677a5e442910d2652ac6e000000000e8000000002000020000000f0d80bb6eb816b47bb748172b718731d4b7d7f733c1cf4feae847cf205a4b3b92000000065cccebc7e5b0a83cba687d802eba06e2c258925e5d8be3a74000079d083f997400000002eeb5f746fa199a01f1dfa9531a4b9fb32a3859703de775b0db559eba6298d3a9e5fdb74fb969a90aeeddfc4ce4e36680ad418e3d738aa784748bec49f32699c	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "432469135"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2316	dff0940a39675fe15fdf0dfbf6fa1549_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2388	iexplore.exe
2480	DllHost.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2388	iexplore.exe
2388	iexplore.exe
2984	IEXPLORE.EXE
2984	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2388	2316	dff0940a39675fe15fdf0dfbf6fa1549_JaffaCakes118.exe	32
PID 2316 wrote to memory of 2388	2316	dff0940a39675fe15fdf0dfbf6fa1549_JaffaCakes118.exe	32
PID 2316 wrote to memory of 2388	2316	dff0940a39675fe15fdf0dfbf6fa1549_JaffaCakes118.exe	32
PID 2316 wrote to memory of 2388	2316	dff0940a39675fe15fdf0dfbf6fa1549_JaffaCakes118.exe	32
PID 2316 wrote to memory of 2860	2316	dff0940a39675fe15fdf0dfbf6fa1549_JaffaCakes118.exe	34
PID 2316 wrote to memory of 2860	2316	dff0940a39675fe15fdf0dfbf6fa1549_JaffaCakes118.exe	34
PID 2316 wrote to memory of 2860	2316	dff0940a39675fe15fdf0dfbf6fa1549_JaffaCakes118.exe	34
PID 2316 wrote to memory of 2860	2316	dff0940a39675fe15fdf0dfbf6fa1549_JaffaCakes118.exe	34
PID 2388 wrote to memory of 2984	2388	iexplore.exe	35
PID 2388 wrote to memory of 2984	2388	iexplore.exe	35
PID 2388 wrote to memory of 2984	2388	iexplore.exe	35
PID 2388 wrote to memory of 2984	2388	iexplore.exe	35

C:\Users\Admin\AppData\Local\Temp\dff0940a39675fe15fdf0dfbf6fa1549_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dff0940a39675fe15fdf0dfbf6fa1549_JaffaCakes118.exe"
1⤵
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2316
- 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:2388
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2388 CREDAT:275457 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2984
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\dff0940a39675fe15fdf0dfbf6fa1549_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2860

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:2480

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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