locky_lukitus | cefb526d4067694c034c8c578b38d3ce68fdb56f10025dfa30f39f0556286d15

Analysis

max time kernel
143s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
15-05-2024 07:00

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General

Target

45021a1a159dea9952ad3494b8d49852_JaffaCakes118.exe
Size

520KB
MD5

45021a1a159dea9952ad3494b8d49852
SHA1

9d410c919a965b80ce451b8565286d2f9de05b23
SHA256

cefb526d4067694c034c8c578b38d3ce68fdb56f10025dfa30f39f0556286d15
SHA512

c426327ba46ff80c2c943e41fe2417fb2dd2628f9a2431d1bcae390fe6b7fe53891f40436b3cdd8a661b5f954f7763bbc737225360bc29ca16da00fc1efdf83a
SSDEEP

12288:zVRm47ugq9QLXzNWVn4Fkl6BQ2yLhxPtIS4GudgBXllbXtdj:zVzzzjNO4FkUQ2yL7PtIdGudqlb9dj

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"	45021a1a159dea9952ad3494b8d49852_JaffaCakes118.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"	45021a1a159dea9952ad3494b8d49852_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\Desktop\TileWallpaper = "0"	45021a1a159dea9952ad3494b8d49852_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
804	msedge.exe
804	msedge.exe
2564	msedge.exe
2564	msedge.exe
5080	identity_helper.exe
5080	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe
2564	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4400 wrote to memory of 2564	4400	45021a1a159dea9952ad3494b8d49852_JaffaCakes118.exe	101
PID 4400 wrote to memory of 2564	4400	45021a1a159dea9952ad3494b8d49852_JaffaCakes118.exe	101
PID 2564 wrote to memory of 1676	2564	msedge.exe	103
PID 2564 wrote to memory of 1676	2564	msedge.exe	103
PID 4400 wrote to memory of 5096	4400	45021a1a159dea9952ad3494b8d49852_JaffaCakes118.exe	102
PID 4400 wrote to memory of 5096	4400	45021a1a159dea9952ad3494b8d49852_JaffaCakes118.exe	102
PID 4400 wrote to memory of 5096	4400	45021a1a159dea9952ad3494b8d49852_JaffaCakes118.exe	102
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 2672	2564	msedge.exe	105
PID 2564 wrote to memory of 804	2564	msedge.exe	106
PID 2564 wrote to memory of 804	2564	msedge.exe	106
PID 2564 wrote to memory of 4708	2564	msedge.exe	107
PID 2564 wrote to memory of 4708	2564	msedge.exe	107
PID 2564 wrote to memory of 4708	2564	msedge.exe	107
PID 2564 wrote to memory of 4708	2564	msedge.exe	107
PID 2564 wrote to memory of 4708	2564	msedge.exe	107
PID 2564 wrote to memory of 4708	2564	msedge.exe	107
PID 2564 wrote to memory of 4708	2564	msedge.exe	107
PID 2564 wrote to memory of 4708	2564	msedge.exe	107
PID 2564 wrote to memory of 4708	2564	msedge.exe	107
PID 2564 wrote to memory of 4708	2564	msedge.exe	107
PID 2564 wrote to memory of 4708	2564	msedge.exe	107
PID 2564 wrote to memory of 4708	2564	msedge.exe	107
PID 2564 wrote to memory of 4708	2564	msedge.exe	107
PID 2564 wrote to memory of 4708	2564	msedge.exe	107
PID 2564 wrote to memory of 4708	2564	msedge.exe	107

C:\Users\Admin\AppData\Local\Temp\45021a1a159dea9952ad3494b8d49852_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\45021a1a159dea9952ad3494b8d49852_JaffaCakes118.exe"
1⤵
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:4400
- 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:2564
- - 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,0x100,0x104,0xd8,0x108,0x7ffa503b46f8,0x7ffa503b4708,0x7ffa503b4718
    3⤵
    PID:1676
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2128,5834826275911195565,3436156296861898890,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2140 /prefetch:2
    3⤵
    PID:2672
- - 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=2128,5834826275911195565,3436156296861898890,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2192 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:804
- - 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=2128,5834826275911195565,3436156296861898890,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2888 /prefetch:8
    3⤵
    PID:4708
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,5834826275911195565,3436156296861898890,131072 --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=2124 /prefetch:1
    3⤵
    PID:728
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,5834826275911195565,3436156296861898890,131072 --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=3284 /prefetch:1
    3⤵
    PID:3948
- - 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=2128,5834826275911195565,3436156296861898890,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5168 /prefetch:8
    3⤵
    PID:4204
- - 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=2128,5834826275911195565,3436156296861898890,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5168 /prefetch:8
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:5080
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,5834826275911195565,3436156296861898890,131072 --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=5164 /prefetch:1
    3⤵
    PID:2208
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,5834826275911195565,3436156296861898890,131072 --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=4752 /prefetch:1
    3⤵
    PID:2196
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,5834826275911195565,3436156296861898890,131072 --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=4104 /prefetch:1
    3⤵
    PID:712
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2128,5834826275911195565,3436156296861898890,131072 --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=3452 /prefetch:1
    3⤵
    PID:4488
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\45021a1a159dea9952ad3494b8d49852_JaffaCakes118.exe"
  2⤵
  PID:5096

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3452

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4924

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\9cfdd6c8-1d5b-440e-8596-b976f69b0c58.tmp

Filesize
5KB

MD5
c445db53577522cc4e165bb8ada14264

SHA1
bab5aafd901425216d5962f87d65aaa8712adcd9

SHA256
60776020c94312af57e2bcfc8459b6fc1da2849f0783eed5c0e0900e4484e9ea

SHA512
c88ede8ff0e8cca57f819f370dbbeabe483788d857f74fd7d10439e9dc3ba86501134d1177c7859cf8249e93f7c566e3d5ffe6349eeb7a257270244212ce4620

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

Filesize
6KB

MD5
b4b9120badd6b0982a60130617812f38

SHA1
03ac57af1ec2df35d9f203ed36c757b994ebfa5b

SHA256
2bcfbcf90c92fdeb9cca38753b6fad4d83c6a2661fe0185c9d5f8824161d1057

SHA512
cc0d4347afc0c08a4a14406487616c0c5f37128595a797c19cc3b3d477ce429d8fd78328ee63318473c7191781fc80ccf114572eb5661da5ecb4e582feeac3c7

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
11KB

MD5
1380732636ef669d858ee9b52c3cb53f

SHA1
b54ccd137f8c4be3bbce43570201ea17c66e32d5

SHA256
5f859c3bf7ce1e924c90daad6cacd8a80e70436f26e5cb7dc68a9a49b613b830

SHA512
fb31e71ebb93aa373108e987600dbb62a941de71c6c3b24c51c1dece78ad5784ff9738bbbe945d5ce2cb3db9fbd9e319b7c1bafbf9fb0de0310d561ebaf3f3c4

Download Submit
C:\Users\Default\lukitus-3b8d.htm

Filesize
7KB

MD5
6d62cebabd90de9220b579a3168781f2

SHA1
783a66d6fb97627ebba6b82a7c8982a31e08bc0d

SHA256
f036fe8b88bd15104d80cca7c4bdacf513631891265bbdc674f5ac36678b0175

SHA512
c5b3f3c32bff6bf3b5348f56f536c10be06b5ce293ec92c1513b8e7802db762315c99ab1c7f38711b17882e3417e713579c5f95ee9d77e1f40cdf844cac6f2b9

Download Submit