locky_lukitus | 8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285

Analysis

max time kernel
162s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
13-07-2022 15:04

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General

Target

8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285.exe
Size

617KB
MD5

d14bc9efe80aeb7d172cbb590f80eba7
SHA1

9d6ea38d9a33446488e3a53ca35669f7ded2b747
SHA256

8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285
SHA512

cb22f3c7d3f35cc4d149d88caf128229c396123997b52c2dfb70203cbb671f967c20bb1615ec84227d1207d50cacd32daf1360f076d42c50b113949074192b58

Score

10^/10

locky_lukitus persistence ransomware suricata

Malware Config

Signatures

Locky (Lukitus variant)
Variant of the Locky ransomware seen in the wild since late 2017.
ransomware locky_lukitus
suricata: ET MALWARE Locky CnC Checkin HTTP Pattern
suricata: ET MALWARE Locky CnC Checkin HTTP Pattern
suricata
suricata: ET MALWARE Locky CnC checkin Nov 21
suricata: ET MALWARE Locky CnC checkin Nov 21
suricata
suricata: ET MALWARE Locky CnC checkin Nov 21 M2
suricata: ET MALWARE Locky CnC checkin Nov 21 M2
suricata

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows\CurrentVersion\Run	msedge.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-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\lukitus.bmp"	8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\6796abf8-b440-4f65-b0f7-955b259f3e43.tmp	setup.exe
File opened for modification	C:\Program Files (x86)\Microsoft\Edge\Application\SetupMetrics\20220713170817.pma	setup.exe

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

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

Modifies Control Panel 2 IoCs

evasion

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\Desktop\WallpaperStyle = "0"	8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\Desktop\TileWallpaper = "0"	8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	msedge.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3404	msedge.exe
3404	msedge.exe
3640	msedge.exe
3640	msedge.exe
2264	identity_helper.exe
2264	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs

pid	Process
3640	msedge.exe
3640	msedge.exe
3640	msedge.exe
3640	msedge.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3640	msedge.exe
3640	msedge.exe
3640	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1816 wrote to memory of 3640	1816	8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285.exe	89
PID 1816 wrote to memory of 3640	1816	8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285.exe	89
PID 1816 wrote to memory of 3808	1816	8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285.exe	90
PID 1816 wrote to memory of 3808	1816	8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285.exe	90
PID 1816 wrote to memory of 3808	1816	8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285.exe	90
PID 3640 wrote to memory of 3836	3640	msedge.exe	92
PID 3640 wrote to memory of 3836	3640	msedge.exe	92
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 4476	3640	msedge.exe	95
PID 3640 wrote to memory of 3404	3640	msedge.exe	96
PID 3640 wrote to memory of 3404	3640	msedge.exe	96
PID 3640 wrote to memory of 2368	3640	msedge.exe	97
PID 3640 wrote to memory of 2368	3640	msedge.exe	97
PID 3640 wrote to memory of 2368	3640	msedge.exe	97
PID 3640 wrote to memory of 2368	3640	msedge.exe	97
PID 3640 wrote to memory of 2368	3640	msedge.exe	97
PID 3640 wrote to memory of 2368	3640	msedge.exe	97
PID 3640 wrote to memory of 2368	3640	msedge.exe	97
PID 3640 wrote to memory of 2368	3640	msedge.exe	97
PID 3640 wrote to memory of 2368	3640	msedge.exe	97
PID 3640 wrote to memory of 2368	3640	msedge.exe	97
PID 3640 wrote to memory of 2368	3640	msedge.exe	97
PID 3640 wrote to memory of 2368	3640	msedge.exe	97
PID 3640 wrote to memory of 2368	3640	msedge.exe	97
PID 3640 wrote to memory of 2368	3640	msedge.exe	97
PID 3640 wrote to memory of 2368	3640	msedge.exe	97

C:\Users\Admin\AppData\Local\Temp\8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285.exe
"C:\Users\Admin\AppData\Local\Temp\8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285.exe"
1⤵
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:1816
- 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⤵
  - Adds Run key to start application
  - Enumerates system info in registry
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3640
- - 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=0xf8,0xfc,0x100,0xd4,0x104,0x7ff94de946f8,0x7ff94de94708,0x7ff94de94718
    3⤵
    PID:3836
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2096,12391474531130183932,13672689724884797267,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2128 /prefetch:2
    3⤵
    PID:4476
- - 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=2096,12391474531130183932,13672689724884797267,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2416 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:3404
- - 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=2096,12391474531130183932,13672689724884797267,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2656 /prefetch:8
    3⤵
    PID:2368
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,12391474531130183932,13672689724884797267,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3316 /prefetch:1
    3⤵
    PID:4680
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,12391474531130183932,13672689724884797267,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3324 /prefetch:1
    3⤵
    PID:3368
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2096,12391474531130183932,13672689724884797267,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5268 /prefetch:8
    3⤵
    PID:4292
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,12391474531130183932,13672689724884797267,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5616 /prefetch:1
    3⤵
    PID:1960
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,12391474531130183932,13672689724884797267,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5644 /prefetch:1
    3⤵
    PID:4044
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2096,12391474531130183932,13672689724884797267,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5684 /prefetch:8
    3⤵
    PID:2140
- - 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=2096,12391474531130183932,13672689724884797267,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6316 /prefetch:8
    3⤵
    PID:212
- - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
    3⤵
    - Drops file in Program Files directory
    PID:3116
  - - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x220,0x224,0x228,0x1c0,0x22c,0x7ff6f1e25460,0x7ff6f1e25470,0x7ff6f1e25480
      4⤵
      PID:1844
- - 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=2096,12391474531130183932,13672689724884797267,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6316 /prefetch:8
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:2264
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285.exe"
  2⤵
  PID:3808

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1612

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

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\Desktop\lukitus.htm

Filesize
9KB

MD5
24a43279af2af83bd3a68ee85c2f18e6

SHA1
2719ded28a365fa7083986ac323f1d8047436dec

SHA256
07a90de18026583186807c957c3ed19b36c19a343f9eed85e0c966634b629c66

SHA512
e752ef6a3c46cac96fd5018f0a9fb35a126dea5795fa2519841c0e31b0f1b90ae7b471e2d58805308deff4802ba2cae2a41b36d5ad6373f6e05bfbae989ed3ea

Download Submit
memory/1816-131-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/1816-132-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/1816-133-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/1816-130-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download
memory/1816-136-0x0000000000400000-0x000000000049D000-memory.dmp

Filesize
628KB

Download