Analysis
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max time kernel
145s -
max time network
142s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
21-09-2024 04:51
Static task
static1
Behavioral task
behavioral1
Sample
ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe
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Size
659KB
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MD5
ef18fa4495106a68af61c1d0d648ba82
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SHA1
4b693c53b6894266e5e016253bda958ae7c612a8
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SHA256
aab0204705447fbf2ab759e57a9baebba3c36ea59799b5a774c9265032f502c5
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SHA512
bf368e77cf8fdb67fb6221e6020149747bfb85f70691954029cd2e42a5b42f98d344cce682ea4796cff14e0b03fd15ce1390b88d8425a279bc2411de15971447
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SSDEEP
12288:KVi5h23Ks1mQnWattmsbMVSH05SxQiEQ9jmE56r:KVia3p0RzYa+E
Malware Config
Signatures
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Locky (Lukitus variant)
Variant of the Locky ransomware seen in the wild since late 2017.
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\lukitus.bmp" ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
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 -
Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 3736 vssadmin.exe -
Modifies Control Panel 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\Desktop\WallpaperStyle = "0" ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\Desktop\TileWallpaper = "0" ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4936 msedge.exe 4936 msedge.exe 1944 msedge.exe 1944 msedge.exe 4940 identity_helper.exe 4940 identity_helper.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
pid Process 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 2456 vssvc.exe Token: SeRestorePrivilege 2456 vssvc.exe Token: SeAuditPrivilege 2456 vssvc.exe -
Suspicious use of FindShellTrayWindow 25 IoCs
pid Process 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe -
Suspicious use of SendNotifyMessage 24 IoCs
pid Process 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe 1944 msedge.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2128 wrote to memory of 1944 2128 ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe 98 PID 2128 wrote to memory of 1944 2128 ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe 98 PID 1944 wrote to memory of 1252 1944 msedge.exe 99 PID 1944 wrote to memory of 1252 1944 msedge.exe 99 PID 2128 wrote to memory of 2448 2128 ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe 100 PID 2128 wrote to memory of 2448 2128 ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe 100 PID 2128 wrote to memory of 2448 2128 ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe 100 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 3616 1944 msedge.exe 102 PID 1944 wrote to memory of 4936 1944 msedge.exe 103 PID 1944 wrote to memory of 4936 1944 msedge.exe 103 PID 1944 wrote to memory of 1152 1944 msedge.exe 104 PID 1944 wrote to memory of 1152 1944 msedge.exe 104 PID 1944 wrote to memory of 1152 1944 msedge.exe 104 PID 1944 wrote to memory of 1152 1944 msedge.exe 104 PID 1944 wrote to memory of 1152 1944 msedge.exe 104 PID 1944 wrote to memory of 1152 1944 msedge.exe 104 PID 1944 wrote to memory of 1152 1944 msedge.exe 104 PID 1944 wrote to memory of 1152 1944 msedge.exe 104 PID 1944 wrote to memory of 1152 1944 msedge.exe 104 PID 1944 wrote to memory of 1152 1944 msedge.exe 104 PID 1944 wrote to memory of 1152 1944 msedge.exe 104 PID 1944 wrote to memory of 1152 1944 msedge.exe 104 PID 1944 wrote to memory of 1152 1944 msedge.exe 104 PID 1944 wrote to memory of 1152 1944 msedge.exe 104 PID 1944 wrote to memory of 1152 1944 msedge.exe 104 -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe"1⤵
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:2128 -
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.htm2⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1944 -
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,0x100,0x104,0xd8,0x108,0x7ff9d75546f8,0x7ff9d7554708,0x7ff9d75547183⤵PID:1252
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,184392754391857281,13545192828793186828,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2136 /prefetch:23⤵PID:3616
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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=2124,184392754391857281,13545192828793186828,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2424 /prefetch:33⤵
- Suspicious behavior: EnumeratesProcesses
PID:4936
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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=2124,184392754391857281,13545192828793186828,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2856 /prefetch:83⤵PID:1152
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,184392754391857281,13545192828793186828,131072 --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=3300 /prefetch:13⤵PID:1016
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,184392754391857281,13545192828793186828,131072 --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=3312 /prefetch:13⤵PID:4008
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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=2124,184392754391857281,13545192828793186828,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4760 /prefetch:83⤵PID:5008
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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=2124,184392754391857281,13545192828793186828,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4760 /prefetch:83⤵
- Suspicious behavior: EnumeratesProcesses
PID:4940
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,184392754391857281,13545192828793186828,131072 --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=4376 /prefetch:13⤵PID:3336
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,184392754391857281,13545192828793186828,131072 --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=4052 /prefetch:13⤵PID:4488
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,184392754391857281,13545192828793186828,131072 --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=3292 /prefetch:13⤵PID:2564
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,184392754391857281,13545192828793186828,131072 --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=3560 /prefetch:13⤵PID:4852
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C:\Windows\SysWOW64\cmd.execmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe"2⤵
- System Location Discovery: System Language Discovery
PID:2448
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2456
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe Delete Shadows /Quiet /All1⤵
- Interacts with shadow copies
PID:3736
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:440
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:5076
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
152B
MD52783c40400a8912a79cfd383da731086
SHA1001a131fe399c30973089e18358818090ca81789
SHA256331fa67da5f67bbb42794c3aeab8f7819f35347460ffb352ccc914e0373a22c5
SHA512b7c7d3aa966ad39a86aae02479649d74dcbf29d9cb3a7ff8b9b2354ea60704da55f5c0df803fd0a7191170a8e72fdd5eacfa1a739d7a74e390a7b74bdced1685
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Filesize
152B
MD5ff63763eedb406987ced076e36ec9acf
SHA116365aa97cd1a115412f8ae436d5d4e9be5f7b5d
SHA2568f460e8b7a67f0c65b7248961a7c71146c9e7a19772b193972b486dbf05b8e4c
SHA512ce90336169c8b2de249d4faea2519bf7c3df48ae9d77cdf471dd5dbd8e8542d47d9348080a098074aa63c255890850ee3b80ddb8eef8384919fdca3bb9371d9f
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Filesize
6KB
MD5db8b4b00cf395e4f49a74485485717eb
SHA1236f800969345ef89f17b8d4b918b78dbf153774
SHA256a273fe24c9a7183546f46033dbc9003915ed1217bd3110e934eec68b2e256eeb
SHA512cc1694de46f80f6f21e6c15d96e1184e0320eaaf6ad39843f5a8078b00fdab49ed16fea4e0a0b3fbb83bffabba176a8b9b578636e3338d04035aa95ae303e24c
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Filesize
6KB
MD519b38ea2f9d63b1cd51315093503a652
SHA1f7fc9fac8dbbb62bdcce3c089bb483b099e17384
SHA256b26e2565fc6ba202a2e717b818e6881ea136e9372b445732cd72cb782821910b
SHA512c2de185b16c473fcca89ef3febde1f5b14aa77c8da34126e11e4a1b4c38ab12eb109f34636bd81b4f28a4696bcb1d21860c20f3cfcc8813da8bf2de438d79a88
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Filesize
16B
MD56752a1d65b201c13b62ea44016eb221f
SHA158ecf154d01a62233ed7fb494ace3c3d4ffce08b
SHA2560861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
SHA5129cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389
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Filesize
10KB
MD59e4296fc9ddf7fd00d4581297b9372a0
SHA101c0a4756a924a3c636d582f8a3d03689a889dcf
SHA256d9840ec4e5071877755f2d21d55e029047640e5ccdd12c2087aeaccaec2299bc
SHA5122bd62e82500fbb1ad661d68284e54377ef9daa8fd1b7d5bc61a8db5bef306c9c2e40eeb370663eae43b115b0f04243ea1bea42c31cdb144e94a69caec7282e00
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Filesize
8KB
MD5a3c9502a04e23c086abdf74e847d405a
SHA11f097414199cbc8ab51674f711b98e565997a631
SHA2568e555e69c1741b8a3d71912df3e8234907d975d347c7bc33232af34eaf11448b
SHA51260e9f732fd815969d08ba8e58bd06b5725132b7d272733073713c6e3935977ee475aea520bb55a7fb013765b47f42967ef05c23a9e943723698bb6ce765b89b8