locky_lukitus | ce91d20c7f9e548ba5cf56e84cf8e535566bdaf6dd319d948988e3246d7f6644

Analysis

max time kernel
145s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
30/05/2024, 00:34

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General

Target

2024-05-30_7619daf0a58c873caa3790bc66f84204_locky.exe
Size

517KB
MD5

7619daf0a58c873caa3790bc66f84204
SHA1

1feb1683d1b149601d2036b41ed36fd9c9d88f6d
SHA256

ce91d20c7f9e548ba5cf56e84cf8e535566bdaf6dd319d948988e3246d7f6644
SHA512

2326dbe762b73cd83bbf0e8964ae9d7836686b5127b4d7d2064936ca81f2906d58e645b3928801b50ae3a86167a131a8b90d5d9c2ef8e0871bf150fcf4995508
SSDEEP

12288:uVRm47ugq9QLXzNWVn4Fkl6BQ2yLhxPtIS4GudgBXllbXtdj:uVzzzjNO4FkUQ2yL7PtIdGudqlb9dj

Score

10^/10

locky_lukitus ransomware

Malware Config

Signatures

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

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\lukitus.bmp"	2024-05-30_7619daf0a58c873caa3790bc66f84204_locky.exe

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe

Modifies Control Panel 2 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\Desktop\WallpaperStyle = "0"	2024-05-30_7619daf0a58c873caa3790bc66f84204_locky.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\Desktop\TileWallpaper = "0"	2024-05-30_7619daf0a58c873caa3790bc66f84204_locky.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4916	msedge.exe
4916	msedge.exe
4828	msedge.exe
4828	msedge.exe
2508	identity_helper.exe
2508	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe
4828	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 4828	1884	2024-05-30_7619daf0a58c873caa3790bc66f84204_locky.exe	93
PID 1884 wrote to memory of 4828	1884	2024-05-30_7619daf0a58c873caa3790bc66f84204_locky.exe	93
PID 4828 wrote to memory of 1844	4828	msedge.exe	94
PID 4828 wrote to memory of 1844	4828	msedge.exe	94
PID 1884 wrote to memory of 1700	1884	2024-05-30_7619daf0a58c873caa3790bc66f84204_locky.exe	95
PID 1884 wrote to memory of 1700	1884	2024-05-30_7619daf0a58c873caa3790bc66f84204_locky.exe	95
PID 1884 wrote to memory of 1700	1884	2024-05-30_7619daf0a58c873caa3790bc66f84204_locky.exe	95
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 228	4828	msedge.exe	97
PID 4828 wrote to memory of 4916	4828	msedge.exe	98
PID 4828 wrote to memory of 4916	4828	msedge.exe	98
PID 4828 wrote to memory of 2708	4828	msedge.exe	99
PID 4828 wrote to memory of 2708	4828	msedge.exe	99
PID 4828 wrote to memory of 2708	4828	msedge.exe	99
PID 4828 wrote to memory of 2708	4828	msedge.exe	99
PID 4828 wrote to memory of 2708	4828	msedge.exe	99
PID 4828 wrote to memory of 2708	4828	msedge.exe	99
PID 4828 wrote to memory of 2708	4828	msedge.exe	99
PID 4828 wrote to memory of 2708	4828	msedge.exe	99
PID 4828 wrote to memory of 2708	4828	msedge.exe	99
PID 4828 wrote to memory of 2708	4828	msedge.exe	99
PID 4828 wrote to memory of 2708	4828	msedge.exe	99
PID 4828 wrote to memory of 2708	4828	msedge.exe	99
PID 4828 wrote to memory of 2708	4828	msedge.exe	99
PID 4828 wrote to memory of 2708	4828	msedge.exe	99
PID 4828 wrote to memory of 2708	4828	msedge.exe	99

C:\Users\Admin\AppData\Local\Temp\2024-05-30_7619daf0a58c873caa3790bc66f84204_locky.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-30_7619daf0a58c873caa3790bc66f84204_locky.exe"
1⤵
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Desktop\lukitus.htm
  2⤵
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4828
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffa547346f8,0x7ffa54734708,0x7ffa54734718
    3⤵
    PID:1844
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2060,2465925049240894683,53828717305122409,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2108 /prefetch:2
    3⤵
    PID:228
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2060,2465925049240894683,53828717305122409,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2164 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4916
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2060,2465925049240894683,53828717305122409,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2904 /prefetch:8
    3⤵
    PID:2708
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,2465925049240894683,53828717305122409,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3244 /prefetch:1
    3⤵
    PID:3940
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,2465925049240894683,53828717305122409,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3256 /prefetch:1
    3⤵
    PID:2192
- - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2060,2465925049240894683,53828717305122409,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5112 /prefetch:8
    3⤵
    PID:1408
- - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2060,2465925049240894683,53828717305122409,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5112 /prefetch:8
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:2508
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,2465925049240894683,53828717305122409,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4648 /prefetch:1
    3⤵
    PID:3604
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,2465925049240894683,53828717305122409,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5184 /prefetch:1
    3⤵
    PID:4912
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,2465925049240894683,53828717305122409,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3240 /prefetch:1
    3⤵
    PID:1972
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,2465925049240894683,53828717305122409,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5508 /prefetch:1
    3⤵
    PID:3332
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\2024-05-30_7619daf0a58c873caa3790bc66f84204_locky.exe"
  2⤵
  PID:1700

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3960

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
ecdc2754d7d2ae862272153aa9b9ca6e

SHA1
c19bed1c6e1c998b9fa93298639ad7961339147d

SHA256
a13d791473f836edcab0e93451ce7b7182efbbc54261b2b5644d319e047a00a7

SHA512
cd4fb81317d540f8b15f1495a381bb6f0f129b8923a7c06e4b5cf777d2625c30304aee6cc68aa20479e08d84e5030b43fbe93e479602400334dfdd7297f702f2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
2daa93382bba07cbc40af372d30ec576

SHA1
c5e709dc3e2e4df2ff841fbde3e30170e7428a94

SHA256
1826d2a57b1938c148bf212a47d947ed1bfb26cfc55868931f843ee438117f30

SHA512
65635cb59c81548a9ef8fdb0942331e7f3cd0c30ce1d4dba48aed72dbb27b06511a55d2aeaadfadbbb4b7cb4b2e2772bbabba9603b3f7d9c8b9e4a7fbf3d6b6b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
5KB

MD5
fc4acfb856b1b82184ae561f9a77e32b

SHA1
f5f51a69618440ca1801762ea0d143b282e8cfdf

SHA256
a58587a926b173fb1d39aaa0b47457bf8aeb9dad6b934402faf5296827d29ed3

SHA512
e892c23bc2a53199b041db1fbfc10a9a2248cb11d2836b01dd5ba6b44f4c94e8c032db122a6ecf86651bd1b5040cbde651fa4ea64c0a1bb7ac24415b5977db39

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
9adb3a88f1a0875f5714e9db42a1536a

SHA1
c5ede90d13ae47a0c3fe543be243be06d8646847

SHA256
2d4da3af5ce603b79f8a64eb6da0000d0482304b55130561277cf70cc5eb95bb

SHA512
8ed05d2958357e49c36d4fedb78cf28499dd5ea4bb42d1cd00be9429a0c3fb542e24387820abc724579f30bd65825ac3c258932d995260844a0b8227af3b2404

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
10KB

MD5
33d48029c021dfd90394bb2573448b9a

SHA1
de0e820862343056308f24c6d5f854dcf1b88fa0

SHA256
c12cb0687b9e6d81b31195d70338b291d470d792890bca84dae384377b228593

SHA512
465b9aefa1dac6f53d50dec3679a3673515489c64baa7938b209d99650121ccc22596557c5d915bec66ad893e29c7dbaeaf926bdb76087fe5be1e3f4466bfa7f

Download Submit
C:\Users\Admin\Music\lukitus-f624.htm

Filesize
8KB

MD5
4a1511b76836ea201e1568a3f99d2b22

SHA1
e8c2bfd5581574d2f4ae52ef636a59ec4a0cfd6b

SHA256
a278cd555e5efe10e49fc62404401b6f75d99d6143819b2ccfce1e324dc2daac

SHA512
7ed1eb853088dca9e9144069d890ce344f0397d269a7e2376ccc1491c779250690ac1433ac9b9c27e5924b7338a514fc82c7d191102d2e1938a3fa47b0fa53f7

Download Submit