locky | 0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b

General

Target

0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe
Size

303KB
MD5

d5fee0c6f1d0d730de259c64e6373a0c
SHA1

894f45f50454001bd21ad2713fefc15eb25b2b8b
SHA256

0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b
SHA512

fa39d6cdf1c00ec33ce02df71d16d83d58095d09d6a2a1c9d31ceb0bcd1d0c01abbe39daa49de37fab525a59678db241d2d2ebb36359c203a2e25c808c6b5f79

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

Modifies extensions of user files 1 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

description	ioc	Process
File opened for modification	\??\c:\Users\Admin\Pictures\EnablePush.tiff	0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.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-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\DesktopOSIRIS.bmp"	0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe

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

System Information Discovery
T1082

Modifies Control Panel 2 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\Desktop\TileWallpaper = "0"	0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Control Panel\Desktop\WallpaperStyle = "0"	0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe

Modifies Internet Explorer settings 1 TTPs 25 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{7F75A061-DB95-11EC-B669-4659A2147DF1} = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
912	iexplore.exe
2008	DllHost.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
912	iexplore.exe
912	iexplore.exe
1932	IEXPLORE.EXE
1932	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 976 wrote to memory of 912	976	0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe	30
PID 976 wrote to memory of 912	976	0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe	30
PID 976 wrote to memory of 912	976	0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe	30
PID 976 wrote to memory of 912	976	0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe	30
PID 912 wrote to memory of 1932	912	iexplore.exe	32
PID 912 wrote to memory of 1932	912	iexplore.exe	32
PID 912 wrote to memory of 1932	912	iexplore.exe	32
PID 912 wrote to memory of 1932	912	iexplore.exe	32
PID 976 wrote to memory of 1896	976	0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe	33
PID 976 wrote to memory of 1896	976	0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe	33
PID 976 wrote to memory of 1896	976	0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe	33
PID 976 wrote to memory of 1896	976	0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe	33

C:\Users\Admin\AppData\Local\Temp\0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe
"C:\Users\Admin\AppData\Local\Temp\0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe"
1⤵
- Modifies extensions of user files
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:976
- 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:912
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:912 CREDAT:275457 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:1932
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\0a2bc257eb1e266e2fd7c608bbb7e1f2ed34660c8ff21f32999fe49c6997329b.exe"
  2⤵
  PID:1896

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- Suspicious use of FindShellTrayWindow
PID:2008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

1

T1491

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Downloads

C:\Users\Admin\DesktopOSIRIS.bmp

Filesize
3.4MB

MD5
a6a79f46fc52dce2c41399b44563d26f

SHA1
23a07b8760fc7b64667e8d1b7e14f821fab0c6a6

SHA256
a19e2518f78ff7978140a15e274c1642a6b22858ef9daf436e9b22722989540d

SHA512
972923eace70c6754f327a8f55f4f872a0904703a90f3958225d8dca067a93c6c0dbf4fa75bb7aa78d8b0439d7819329403a58658b9f3f75f1f302d45114c092

Download Submit
C:\Users\Admin\DesktopOSIRIS.htm

Filesize
7KB

MD5
68933acb55f35c16ad916ebf4a6fb323

SHA1
f25e71bdbffebf8c27cffce30543c5a7dd4f5aed

SHA256
0e0696e382bd19a38d41c31eafbc1cd61a8f63633efaf416c0eb855b93e0fb3f

SHA512
a3e14159ea53880ff92a24e8d56440b45685af91860d3b5ee51a7d90d7f755225a4ff77238969f0ec95a473504e5972a1c752506dddbd7f235e1143fc4d58c21

Download Submit
memory/976-54-0x00000000752D1000-0x00000000752D3000-memory.dmp

Filesize
8KB

Download
memory/976-55-0x0000000002F70000-0x0000000002F95000-memory.dmp

Filesize
148KB

Download
memory/976-56-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/976-58-0x0000000002010000-0x0000000002037000-memory.dmp

Filesize
156KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads