Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
14-06-2024 04:35
Static task
static1
Behavioral task
behavioral1
Sample
a804d5b2613145c9aaad7b3b43eea868_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
a804d5b2613145c9aaad7b3b43eea868_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
a804d5b2613145c9aaad7b3b43eea868_JaffaCakes118.exe
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Size
590KB
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MD5
a804d5b2613145c9aaad7b3b43eea868
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SHA1
5bd91a4df91c139019dba734d9be2cab74a38d0b
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SHA256
0bb97b1adbcab84e7b9e98d2d5ba7d7f5b204dafdf2458a7e07f279f0a284c2e
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SHA512
570e687dc4eb4a66cea6543b80cc57092cdf3cacd86fc8493a6df10f7e2411fe895971bcee8ce87bf46f5b7a438c21d66f0e9a03ac936c780fc16dd7c7922bc6
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SSDEEP
12288:TJ6wdOcYExLY0ebcIZ3pxCU5/2jEa95pY0Er4L1wD88P5DmWmeyOp:TJRLe0Mco3pxCU5/2jEafpVe4L1C88xl
Malware Config
Signatures
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Locky
Ransomware strain released in 2016, with advanced features like anti-analysis.
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\ykcol.bmp" a804d5b2613145c9aaad7b3b43eea868_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 2192 vssadmin.exe -
Modifies Control Panel 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\Desktop\WallpaperStyle = "0" a804d5b2613145c9aaad7b3b43eea868_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\Desktop\TileWallpaper = "0" a804d5b2613145c9aaad7b3b43eea868_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2192 msedge.exe 2192 msedge.exe 3528 msedge.exe 3528 msedge.exe 3700 identity_helper.exe 3700 identity_helper.exe -
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
pid Process 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeBackupPrivilege 3708 vssvc.exe Token: SeRestorePrivilege 3708 vssvc.exe Token: SeAuditPrivilege 3708 vssvc.exe -
Suspicious use of FindShellTrayWindow 25 IoCs
pid Process 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe -
Suspicious use of SendNotifyMessage 24 IoCs
pid Process 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe 3528 msedge.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 852 wrote to memory of 3528 852 a804d5b2613145c9aaad7b3b43eea868_JaffaCakes118.exe 96 PID 852 wrote to memory of 3528 852 a804d5b2613145c9aaad7b3b43eea868_JaffaCakes118.exe 96 PID 3528 wrote to memory of 4948 3528 msedge.exe 97 PID 3528 wrote to memory of 4948 3528 msedge.exe 97 PID 852 wrote to memory of 2832 852 a804d5b2613145c9aaad7b3b43eea868_JaffaCakes118.exe 98 PID 852 wrote to memory of 2832 852 a804d5b2613145c9aaad7b3b43eea868_JaffaCakes118.exe 98 PID 852 wrote to memory of 2832 852 a804d5b2613145c9aaad7b3b43eea868_JaffaCakes118.exe 98 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 644 3528 msedge.exe 100 PID 3528 wrote to memory of 2192 3528 msedge.exe 101 PID 3528 wrote to memory of 2192 3528 msedge.exe 101 PID 3528 wrote to memory of 4244 3528 msedge.exe 102 PID 3528 wrote to memory of 4244 3528 msedge.exe 102 PID 3528 wrote to memory of 4244 3528 msedge.exe 102 PID 3528 wrote to memory of 4244 3528 msedge.exe 102 PID 3528 wrote to memory of 4244 3528 msedge.exe 102 PID 3528 wrote to memory of 4244 3528 msedge.exe 102 PID 3528 wrote to memory of 4244 3528 msedge.exe 102 PID 3528 wrote to memory of 4244 3528 msedge.exe 102 PID 3528 wrote to memory of 4244 3528 msedge.exe 102 PID 3528 wrote to memory of 4244 3528 msedge.exe 102 PID 3528 wrote to memory of 4244 3528 msedge.exe 102 PID 3528 wrote to memory of 4244 3528 msedge.exe 102 PID 3528 wrote to memory of 4244 3528 msedge.exe 102 PID 3528 wrote to memory of 4244 3528 msedge.exe 102 PID 3528 wrote to memory of 4244 3528 msedge.exe 102 -
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\a804d5b2613145c9aaad7b3b43eea868_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a804d5b2613145c9aaad7b3b43eea868_JaffaCakes118.exe"1⤵
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:852 -
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Desktop\ykcol.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:3528 -
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,0x100,0x104,0xd8,0x108,0x7fff8c3346f8,0x7fff8c334708,0x7fff8c3347183⤵PID:4948
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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=2172,10038850353519390540,1348136371185874436,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2196 /prefetch:23⤵PID:644
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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=2172,10038850353519390540,1348136371185874436,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2248 /prefetch:33⤵
- Suspicious behavior: EnumeratesProcesses
PID:2192
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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=2172,10038850353519390540,1348136371185874436,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2784 /prefetch:83⤵PID:4244
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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=2172,10038850353519390540,1348136371185874436,131072 --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=3216 /prefetch:13⤵PID:4532
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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=2172,10038850353519390540,1348136371185874436,131072 --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=3248 /prefetch:13⤵PID:1804
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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=2172,10038850353519390540,1348136371185874436,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4024 /prefetch:83⤵PID:2836
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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=2172,10038850353519390540,1348136371185874436,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4024 /prefetch:83⤵
- Suspicious behavior: EnumeratesProcesses
PID:3700
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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=2172,10038850353519390540,1348136371185874436,131072 --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=4664 /prefetch:13⤵PID:2420
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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=2172,10038850353519390540,1348136371185874436,131072 --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=4680 /prefetch:13⤵PID:2604
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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=2172,10038850353519390540,1348136371185874436,131072 --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=3816 /prefetch:13⤵PID:2448
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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=2172,10038850353519390540,1348136371185874436,131072 --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=5040 /prefetch:13⤵PID:4696
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C:\Windows\SysWOW64\cmd.execmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\a804d5b2613145c9aaad7b3b43eea868_JaffaCakes118.exe"2⤵PID:2832
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3708
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C:\Windows\system32\vssadmin.exeC:\Windows\system32\vssadmin.exe Delete Shadows /Quiet /All1⤵
- Interacts with shadow copies
PID:2192
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:1116
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C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3416
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
152B
MD5eaa3db555ab5bc0cb364826204aad3f0
SHA1a4cdfaac8de49e6e6e88b335cfeaa7c9e3c563ca
SHA256ef7baeb1b2ab05ff3c5fbb76c2759db49294654548706c7c8e87f0cde855b86b
SHA512e13981da51b52c15261ecabb98af32f9b920651b46b10ce0cc823c5878b22eb1420258c80deef204070d1e0bdd3a64d875ac2522e3713a3cf11657aa55aeccd4
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Filesize
152B
MD54b4f91fa1b362ba5341ecb2836438dea
SHA19561f5aabed742404d455da735259a2c6781fa07
SHA256d824b742eace197ddc8b6ed5d918f390fde4b0fbf0e371b8e1f2ed40a3b6455c
SHA512fef22217dcdd8000bc193e25129699d4b8f7a103ca4fe1613baf73ccf67090d9fbae27eb93e4bb8747455853a0a4326f2d0c38df41c8d42351cdcd4132418dac
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Filesize
5KB
MD5109422b10780e61842fcd21f0b62c210
SHA1dd112fbe3aa2f1f140f9398794890190de24647e
SHA256acca7d11acc1c03fc5b14a0a56c047ed482a607eee90a181a67a6ed40f03c0c8
SHA5129019dd0eeb741556e159d136d56861c36356ce38aa6aaec9c30e15ba466519920a43cd910b13776955c4ffc9d3562db4b2806610065f7023a598b6533fceb021
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Filesize
16B
MD56752a1d65b201c13b62ea44016eb221f
SHA158ecf154d01a62233ed7fb494ace3c3d4ffce08b
SHA2560861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
SHA5129cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389
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Filesize
8KB
MD56f9dd9065ea6db45f37da0f6ba9f3128
SHA17893ab25c26a352319bfcb3d1d6dfbff6c171bb0
SHA256ee9d3a518cc6e848296c2c2469f2da09b48ab05fed1a867dc50983b0b7875ee4
SHA5125214c077fad17aaf65e0811c932c2607e1de5325141c0d65138b582fe9ab2cfefea7a01476828764882b059989bd051537bfbad3636b3a611b1432e98478e813
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Filesize
9KB
MD567202a998eb1283083384c8fefc4d339
SHA1dede0d96806c103234bbf53d11be8446ad1c3391
SHA25677fa8ce58c6b5b5692f323e52fe57cdb9ecce43c49bba23dd8249afd37151e45
SHA512ecd959d86fec4e992655d39a8a1ec7c91020bc5464862fc2c4c7216de579d4323591bb6056ea461b95fca73fd94eec9ebf8b12ed646ad19cb01272ce452aacce