Analysis
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max time kernel
145s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
06/10/2024, 09:37
Static task
static1
Behavioral task
behavioral1
Sample
178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe
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Size
2.7MB
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MD5
178d180e0c8e7a6bd10fc985f8683131
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SHA1
97fbf858a5dad72cffe943c3461410b64d81bf90
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SHA256
6a8425919b1942929fc98d0d8c8777515936042c5499e958304543bf0e8be8b8
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SHA512
0c04cdf39c7d5ac22f53ebac669268e8804e20848e39e90a8e06fa3cc1c960dc33a6c2db7bd0efb6222815d06743748d8c5e8a7dcdde6d8bb51b0592e65a618c
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SSDEEP
24576:aEtl9mRda1VIUSu7KB8NIyXbacAfUSunEp+XRGEUvkXw6z4Et1:xEs12pHB8NIMI8Sfpwotkzvj
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe" HelpMe.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe" 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe -
Renames multiple (91) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Drops startup file 3 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk HelpMe.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 1856 HelpMe.exe -
Loads dropped DLL 2 IoCs
pid Process 2220 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe 2220 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe -
Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\X: HelpMe.exe File opened (read-only) \??\E: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\J: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\L: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\O: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\U: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\Z: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\Q: HelpMe.exe File opened (read-only) \??\H: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\V: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\A: HelpMe.exe File opened (read-only) \??\J: HelpMe.exe File opened (read-only) \??\S: HelpMe.exe File opened (read-only) \??\V: HelpMe.exe File opened (read-only) \??\A: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\G: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\W: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\E: HelpMe.exe File opened (read-only) \??\P: HelpMe.exe File opened (read-only) \??\Z: HelpMe.exe File opened (read-only) \??\M: HelpMe.exe File opened (read-only) \??\I: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\Q: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\S: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\Y: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\I: HelpMe.exe File opened (read-only) \??\R: HelpMe.exe File opened (read-only) \??\W: HelpMe.exe File opened (read-only) \??\U: HelpMe.exe File opened (read-only) \??\B: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\K: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\M: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\P: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\T: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\L: HelpMe.exe File opened (read-only) \??\N: HelpMe.exe File opened (read-only) \??\Y: HelpMe.exe File opened (read-only) \??\N: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\R: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\X: 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened (read-only) \??\G: HelpMe.exe File opened (read-only) \??\H: HelpMe.exe File opened (read-only) \??\B: HelpMe.exe File opened (read-only) \??\K: HelpMe.exe File opened (read-only) \??\O: HelpMe.exe File opened (read-only) \??\T: HelpMe.exe -
Drops autorun.inf file 1 TTPs 3 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File opened for modification F:\AUTORUN.INF 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened for modification C:\AUTORUN.INF 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File opened for modification F:\AUTORUN.INF HelpMe.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\SysWOW64\notepad.exe.exe HelpMe.exe File created C:\Windows\SysWOW64\HelpMe.exe 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe File created C:\Windows\SysWOW64\HelpMe.exe HelpMe.exe File opened for modification C:\Windows\SysWOW64\HelpMe.exe HelpMe.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files (x86)\Internet Explorer\iexplore.exe.exe HelpMe.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 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HelpMe.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1856 HelpMe.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2220 wrote to memory of 1856 2220 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe 31 PID 2220 wrote to memory of 1856 2220 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe 31 PID 2220 wrote to memory of 1856 2220 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe 31 PID 2220 wrote to memory of 1856 2220 178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\178d180e0c8e7a6bd10fc985f8683131_JaffaCakes118.exe"1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Loads dropped DLL
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2220 -
C:\Windows\SysWOW64\HelpMe.exeC:\Windows\system32\HelpMe.exe2⤵
- Modifies WinLogon for persistence
- Drops startup file
- Executes dropped EXE
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1856
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.7MB
MD5abaff92f421b901b04df393d30f3eeec
SHA1a7c03b384182a0212a3c2e96cbff5ea3a224ace1
SHA25615d0eed86486b8b0cf27ab4fd2e8463d41bcb0f1c5f7bc966cfcc2849f22246c
SHA5120001c115d5f71e7fe8072f6ab6af22561ff7170f6daba094120a5a7c0515d22f8f22e2943feb779826efeeec18ffd423501ddaad22ce7992dd9e7117785ca362
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Filesize
954B
MD52792dd46d41d8f9d694e8d7be04a9330
SHA1c38a06a0ceadd69c0bf7b53961bcc8c4db4a9b71
SHA256a1a33d64ddb70cefd084ff2dc24b79bad153087c82d4fcde865d484e24c53573
SHA5128b35b51d5667f7ec34b2fd156cc138cc5d5d7cc25f4704f4f34ebe767ee291b5fe86a41be690b54cf563c15191550264ba34c6081266ed01e4a1e487e08d6560
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Filesize
1KB
MD547ffd8181fc35fc8489a6340cb535efe
SHA1e8e334fb3db982e741861c3a5422e9f5a32b571a
SHA256c2b22ba78517b238b71420edcbffe6baccfbccf71ca466deec7a2dc9932fc907
SHA51293a898806da373f01967946fa6c1fa9bdc7ed59c3a292c9846a7ac6a84875785c75e042b839fe614eb108977649c65342a74936b0bbe2bf30b172e5c5d9d68bb
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Filesize
145B
MD5ca13857b2fd3895a39f09d9dde3cca97
SHA18b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0
SHA256cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae
SHA51255e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47
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Filesize
2.7MB
MD5178d180e0c8e7a6bd10fc985f8683131
SHA197fbf858a5dad72cffe943c3461410b64d81bf90
SHA2566a8425919b1942929fc98d0d8c8777515936042c5499e958304543bf0e8be8b8
SHA5120c04cdf39c7d5ac22f53ebac669268e8804e20848e39e90a8e06fa3cc1c960dc33a6c2db7bd0efb6222815d06743748d8c5e8a7dcdde6d8bb51b0592e65a618c
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Filesize
2.7MB
MD582965e433eb5a238a4799ed73cd11deb
SHA101c6fdd542b74e1ca43618f01e28ed8bc29da072
SHA256eea8932b004270395fc51f2da0451e4adc1f8d17de7acbfcac1d7739ac604444
SHA5125cac544dd823d3dbd2bd886e8987e4cf2fe276ee2371b15472606162dbdda087ddcc53a6b5e2ef3ddb2434f537bbbed6480aee56e842cfc9f9c306c7569f6096