locky_lukitus | 7ebd9695846026c58253f7510050a65f35addec806ba5077efe4968643bdd965

Analysis

max time kernel
142s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
11/05/2024, 23:31

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General

Target

371d9ae01acc0e04fa5c8deb2955b94c_JaffaCakes118.exe
Size

518KB
MD5

371d9ae01acc0e04fa5c8deb2955b94c
SHA1

45cc3b5091472fb10a55536efb9be38cd7d52eee
SHA256

7ebd9695846026c58253f7510050a65f35addec806ba5077efe4968643bdd965
SHA512

0b05afdd7c97c0e8d56df09bf37a45f805d3320594e3bb7ce896f7df5a0f898e7b9794c40c1cd442aea495ab52c8736c577b1c23dc400ca15045468ab69c113b
SSDEEP

12288:hVRm47ugq9QLXzNWVn4Fkl6BQ2yLhxPtIS4GudgBXllbXtdj:hVzzzjNO4FkUQ2yL7PtIdGudqlb9dj

Score

10^/10

locky_lukitus persistence ransomware

Malware Config

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\opt321 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\371d9ae01acc0e04fa5c8deb2955b94c_JaffaCakes118.exe"	371d9ae01acc0e04fa5c8deb2955b94c_JaffaCakes118.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-1-5-21-540404634-651139247-2967210625-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\lukitus.bmp"	371d9ae01acc0e04fa5c8deb2955b94c_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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	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"	371d9ae01acc0e04fa5c8deb2955b94c_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000\Control Panel\Desktop\TileWallpaper = "0"	371d9ae01acc0e04fa5c8deb2955b94c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2952	msedge.exe
2952	msedge.exe
3864	msedge.exe
3864	msedge.exe
5092	identity_helper.exe
5092	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe
3864	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 3864	5056	371d9ae01acc0e04fa5c8deb2955b94c_JaffaCakes118.exe	113
PID 5056 wrote to memory of 3864	5056	371d9ae01acc0e04fa5c8deb2955b94c_JaffaCakes118.exe	113
PID 3864 wrote to memory of 4316	3864	msedge.exe	114
PID 3864 wrote to memory of 4316	3864	msedge.exe	114
PID 5056 wrote to memory of 4276	5056	371d9ae01acc0e04fa5c8deb2955b94c_JaffaCakes118.exe	115
PID 5056 wrote to memory of 4276	5056	371d9ae01acc0e04fa5c8deb2955b94c_JaffaCakes118.exe	115
PID 5056 wrote to memory of 4276	5056	371d9ae01acc0e04fa5c8deb2955b94c_JaffaCakes118.exe	115
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 4888	3864	msedge.exe	117
PID 3864 wrote to memory of 2952	3864	msedge.exe	118
PID 3864 wrote to memory of 2952	3864	msedge.exe	118
PID 3864 wrote to memory of 632	3864	msedge.exe	119
PID 3864 wrote to memory of 632	3864	msedge.exe	119
PID 3864 wrote to memory of 632	3864	msedge.exe	119
PID 3864 wrote to memory of 632	3864	msedge.exe	119
PID 3864 wrote to memory of 632	3864	msedge.exe	119
PID 3864 wrote to memory of 632	3864	msedge.exe	119
PID 3864 wrote to memory of 632	3864	msedge.exe	119
PID 3864 wrote to memory of 632	3864	msedge.exe	119
PID 3864 wrote to memory of 632	3864	msedge.exe	119
PID 3864 wrote to memory of 632	3864	msedge.exe	119
PID 3864 wrote to memory of 632	3864	msedge.exe	119
PID 3864 wrote to memory of 632	3864	msedge.exe	119
PID 3864 wrote to memory of 632	3864	msedge.exe	119
PID 3864 wrote to memory of 632	3864	msedge.exe	119
PID 3864 wrote to memory of 632	3864	msedge.exe	119

C:\Users\Admin\AppData\Local\Temp\371d9ae01acc0e04fa5c8deb2955b94c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\371d9ae01acc0e04fa5c8deb2955b94c_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:5056
- 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:3864
- - 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,0x100,0x104,0xdc,0x108,0x7fff647846f8,0x7fff64784708,0x7fff64784718
    3⤵
    PID:4316
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2052,3450560092098438523,3556906329717999088,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2084 /prefetch:2
    3⤵
    PID:4888
- - 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=2052,3450560092098438523,3556906329717999088,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2412 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:2952
- - 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=2052,3450560092098438523,3556906329717999088,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2788 /prefetch:8
    3⤵
    PID:632
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2052,3450560092098438523,3556906329717999088,131072 --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=3208 /prefetch:1
    3⤵
    PID:2148
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2052,3450560092098438523,3556906329717999088,131072 --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=3232 /prefetch:1
    3⤵
    PID:2756
- - 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=2052,3450560092098438523,3556906329717999088,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5128 /prefetch:8
    3⤵
    PID:1524
- - 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=2052,3450560092098438523,3556906329717999088,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5128 /prefetch:8
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:5092
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2052,3450560092098438523,3556906329717999088,131072 --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=5232 /prefetch:1
    3⤵
    PID:4468
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2052,3450560092098438523,3556906329717999088,131072 --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=5256 /prefetch:1
    3⤵
    PID:1796
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2052,3450560092098438523,3556906329717999088,131072 --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=3376 /prefetch:1
    3⤵
    PID:3572
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2052,3450560092098438523,3556906329717999088,131072 --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=3448 /prefetch:1
    3⤵
    PID:1880
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\371d9ae01acc0e04fa5c8deb2955b94c_JaffaCakes118.exe"
  2⤵
  PID:4276

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2284

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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
27eb1fbf916b3394f9bcf44754608c4f

SHA1
5a76ec9351b00d2e31b12164e2972368151c0d60

SHA256
1032523ebe2ff77bebbecf60b34274e862030084b2bb75b505db1260e3fdf741

SHA512
5c9cb46fbd609a7b46308f9fca20e267aef0f960b3292e804c55c5e9ca5331ab3deabf2214a68af9d20c65f23da0cb3f0d03af593808b9d89656a479d51e0b67

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

Filesize
6KB

MD5
d8a76c32f4552305ad207543f868fa1a

SHA1
78c2542df8e61f6a50def2ba885f936edc1c1af9

SHA256
ff201eba5475569fa6e24842e634390dedd39da668345ec6ff658a5b56bf04ee

SHA512
8d55a4d36d0f9862b1cee8430a78d852b38f287dc1a2e6f77c8a17daae66793a0fb3df2e1a7d7353a952f563f7f95423b32d9e208043277dfdc1a9c34c85d9a1

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
1d11c41e4bff2d82cdd5ad887cdc3cf0

SHA1
37f14c4ed1386e6019409c78feb1e960d442f80b

SHA256
8dbabaad23cbfaa5f9a31bba5bf25df2c80cfeffcba7c58be3edd3cc05d59d80

SHA512
3324e010de6e6297511c452bb0cf971114846285f42aae73d1720cce7165b6f11a61e70771d9f912a69cbc24f98bd7b15aad715a300846ba69ff186be43ac321

Download Submit
C:\Users\Admin\Documents\lukitus-33e0.htm

Filesize
9KB

MD5
1e3a2f3393fafc5df5ecb4e1534999bd

SHA1
db4a201ce800d4715e2948ec484cd8fe4f01c54d

SHA256
5e00bd23c0d4af8a2a862e592dfe680e4d18d52386a922483eb587c47dca61eb

SHA512
2720a450a445a20578d3af31dee5d9a4a8e8dff10afbb3c8c0bfc73bf7fabe769475e4ea04fb932c717148e1a5315c9cf9be8b2064d46b730adabef21d5c8438

Download Submit