locky_lukitus | 3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e

General

Target

3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e.exe
Size

600KB
MD5

1720b1748ad7b8ac0bfc1c3636fead95
SHA1

97bae63417df5bde4a05cd44c6c523db50f6ab76
SHA256

3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e
SHA512

36d1f098c9ef9a80b42ad058c2a86e5cee794d12f74e479a79059197b82c847d8f88b256f17e2276fc0a9e21cf9b3210c563017d03d9c4ff3638484190a16b76
SSDEEP

12288:aKVWGHUsNNXxgAQWE9J4TyP5SqWiboPZnVXDsm:/UANB/Q7wqWicLXD

Score

10^/10

locky_lukitus defense_evasion discovery ransomware

Malware Config

Signatures

Locky (Lukitus variant)
Variant of the Locky ransomware seen in the wild since late 2017.
ransomware locky_lukitus

Deletes itself 1 IoCs

pid	Process
772	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-1-5-21-312935884-697965778-3955649944-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\lukitus.bmp"	3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IEXPLORE.EXE

Modifies Control Panel 2 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Control Panel\Desktop\WallpaperStyle = "0"	3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Control Panel\Desktop\TileWallpaper = "0"	3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e.exe

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{BAA64F51-8D7B-11EF-BBD1-D686196AC2C0} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2700	iexplore.exe
2440	DllHost.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2700	iexplore.exe
2700	iexplore.exe
2008	IEXPLORE.EXE
2008	IEXPLORE.EXE
2440	DllHost.exe
2440	DllHost.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2700	2520	3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e.exe	32
PID 2520 wrote to memory of 2700	2520	3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e.exe	32
PID 2520 wrote to memory of 2700	2520	3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e.exe	32
PID 2520 wrote to memory of 2700	2520	3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e.exe	32
PID 2700 wrote to memory of 2008	2700	iexplore.exe	34
PID 2700 wrote to memory of 2008	2700	iexplore.exe	34
PID 2700 wrote to memory of 2008	2700	iexplore.exe	34
PID 2700 wrote to memory of 2008	2700	iexplore.exe	34
PID 2520 wrote to memory of 772	2520	3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e.exe	35
PID 2520 wrote to memory of 772	2520	3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e.exe	35
PID 2520 wrote to memory of 772	2520	3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e.exe	35
PID 2520 wrote to memory of 772	2520	3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e.exe	35

C:\Users\Admin\AppData\Local\Temp\3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e.exe
"C:\Users\Admin\AppData\Local\Temp\3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e.exe"
1⤵
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\lukitus.htm
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2700 CREDAT:275457 /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:2008
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\3329641a171508fa6b1ad7674b31431093d46be190d1a51acd77e486f42d9c8e.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:772

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
- Suspicious use of SetWindowsHookEx
PID:2440

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

1

T1070

File Deletion

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

Replay Monitor

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Downloads

C:\Users\Admin\Desktop\lukitus.bmp

Filesize
3.3MB

MD5
9e7a101510d1c9b7d097b0801ee79d7a

SHA1
13519fa8d83bba557680f3795fc656d4878d2a30

SHA256
5cf62893aad8d0e57025004b887c473f8fe3b46cc40ca2690970ca3d6aa33028

SHA512
fc9d078faaf0fb8ef71cc6ccbf2d58d56a06a6d33f96373b10f570d94af834c4367b77ba4939e144e60f112b4d7fff14cd844d932dd02b23809e5ed95ce315f2

Download Submit
C:\lukitus-6271.htm

Filesize
8KB

MD5
b497a7a932b2c2ffbb5c52176953cd0c

SHA1
f059c29d98936018c6ebf5e39d8dd207c37920b9

SHA256
ce8e3348b7f6f13f3ac557234b8bf9edf1c0b601b33bd79058902ef19397e336

SHA512
035ab1c1432d64fcb0741919da76f54ac956305f69d8383d161e67db248595cc8b1d764ff9154f622ece87b4e48529c701773bd2d87f57c116c26ed4951be46b

Download Submit
memory/2440-285-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/2440-284-0x00000000001B0000-0x00000000001B2000-memory.dmp

Filesize
8KB

Download
memory/2520-12-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/2520-15-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/2520-6-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/2520-8-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2520-7-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/2520-10-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/2520-0-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/2520-5-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/2520-17-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/2520-19-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/2520-4-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/2520-283-0x0000000002D90000-0x0000000002D92000-memory.dmp

Filesize
8KB

Download
memory/2520-3-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2520-2-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/2520-287-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download
memory/2520-1-0x0000000000400000-0x00000000004D7000-memory.dmp

Filesize
860KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads