Analysis
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max time kernel
145s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
14-06-2024 15:44
Static task
static1
Behavioral task
behavioral1
Sample
aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe
Resource
win10v2004-20240611-en
General
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Target
aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe
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Size
991KB
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MD5
aa7f29c0cc4177e3fc288923705caa2d
-
SHA1
61c693c789e9e4f6ffbbad5d1c1f26249f67331b
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SHA256
2ba09d754a14da8ff1a1c8d3b95f30c07b312451c941765e90ed910e150142c2
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SHA512
3fe9495c714f0a2b3c1e409e96fe09fab6328f52570e9152314ce8817224e2f35d9de417f290585c2b75f5417ffd5bea10f5531fbc5e6c64e3cf7d9a660beb16
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SSDEEP
24576:KEtl9mRda1lSySGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuP:BEs14nNV
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 2 IoCs
Processes:
aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exeHelpMe.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe" aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe" HelpMe.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
Processes:
aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exeHelpMe.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk aa7f29c0cc4177e3fc288923705caa2d_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 aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
HelpMe.exepid process 3008 HelpMe.exe -
Loads dropped DLL 2 IoCs
Processes:
aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exepid process 2996 aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe 2996 aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe -
Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
HelpMe.exeaa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exedescription ioc process File opened (read-only) \??\L: HelpMe.exe File opened (read-only) \??\X: HelpMe.exe File opened (read-only) \??\P: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\U: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\I: HelpMe.exe File opened (read-only) \??\K: HelpMe.exe File opened (read-only) \??\M: HelpMe.exe File opened (read-only) \??\B: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\J: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\V: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\X: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\G: HelpMe.exe File opened (read-only) \??\T: HelpMe.exe File opened (read-only) \??\U: HelpMe.exe File opened (read-only) \??\H: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\I: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\N: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\O: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\B: HelpMe.exe File opened (read-only) \??\Y: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\O: HelpMe.exe File opened (read-only) \??\P: HelpMe.exe File opened (read-only) \??\A: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\E: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\M: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\S: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\T: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\S: HelpMe.exe File opened (read-only) \??\W: HelpMe.exe File opened (read-only) \??\Z: HelpMe.exe File opened (read-only) \??\G: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\W: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\Z: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\Q: HelpMe.exe File opened (read-only) \??\Y: HelpMe.exe File opened (read-only) \??\K: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\A: HelpMe.exe File opened (read-only) \??\N: HelpMe.exe File opened (read-only) \??\J: HelpMe.exe File opened (read-only) \??\R: HelpMe.exe File opened (read-only) \??\V: HelpMe.exe File opened (read-only) \??\L: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\Q: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\R: aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened (read-only) \??\E: HelpMe.exe File opened (read-only) \??\H: HelpMe.exe -
Drops autorun.inf file 1 TTPs 3 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
Processes:
aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exeHelpMe.exedescription ioc process File opened for modification F:\AUTORUN.INF aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened for modification C:\AUTORUN.INF aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File opened for modification F:\AUTORUN.INF HelpMe.exe -
Drops file in System32 directory 4 IoCs
Processes:
aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exeHelpMe.exedescription ioc process File created C:\Windows\SysWOW64\HelpMe.exe aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe File created C:\Windows\SysWOW64\HelpMe.exe HelpMe.exe File opened for modification C:\Windows\SysWOW64\HelpMe.exe HelpMe.exe File created C:\Windows\SysWOW64\notepad.exe.exe HelpMe.exe -
Drops file in Program Files directory 1 IoCs
Processes:
HelpMe.exedescription 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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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
HelpMe.exepid process 3008 HelpMe.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exedescription pid process target process PID 2996 wrote to memory of 3008 2996 aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe HelpMe.exe PID 2996 wrote to memory of 3008 2996 aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe HelpMe.exe PID 2996 wrote to memory of 3008 2996 aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe HelpMe.exe PID 2996 wrote to memory of 3008 2996 aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe HelpMe.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\aa7f29c0cc4177e3fc288923705caa2d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\aa7f29c0cc4177e3fc288923705caa2d_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
- Suspicious use of WriteProcessMemory
PID:2996 -
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
- Suspicious behavior: EnumeratesProcesses
PID:3008
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
992KB
MD5bd859de5efc9bb210e9136a0770fef3c
SHA1fa6c6cd3f4c5ad51e2b07e36dd3325184e706b5b
SHA2567b00867f1fa36c53ec8137f3a0e668a162b2458226a69105c6d4b50d1ea47966
SHA512ead4d2054b9e1478a21fd7e67611d0916e5787b4ef165e922e204c4e5793b7a715aa438941ca266aea6b84c686630424c44b5291f935dd654d2305ec14106132
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Filesize
1KB
MD52d226461ada2bece605a9c131605e953
SHA141c2124a5b5343b26ce13713b0b2a61586915a01
SHA2561f5e67dd4461cf60c831735d3e254063dff2f173b88c16e86f71f5a6488380b2
SHA5124b5890673a52e2fd5c1fa22d9db2b6d57e1f46dbca29cb5e371e499a34966ed1315454c189da39bb0ee2a01aadd500d3421d5ee32b642910ff06d4b8aa9b74c0
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Filesize
950B
MD55992957d3d1d4446dcb95d5ecc7dd617
SHA15241e6d64869c3e89094bac3cb44cbab7728bb9e
SHA256c84c2b9d378a1d0ddd6e45ea9822b9c6918811136aa846ff7746066c737b4598
SHA512ad41669d621e1c7c752167189270779a530c9c16d52d39a3107185113e89ae724a17aacae408d97c0a56803e711333f66957708df4a8f97149d5b45b4c798c29
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
145B
MD5ca13857b2fd3895a39f09d9dde3cca97
SHA18b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0
SHA256cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae
SHA51255e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47
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Filesize
991KB
MD5aa7f29c0cc4177e3fc288923705caa2d
SHA161c693c789e9e4f6ffbbad5d1c1f26249f67331b
SHA2562ba09d754a14da8ff1a1c8d3b95f30c07b312451c941765e90ed910e150142c2
SHA5123fe9495c714f0a2b3c1e409e96fe09fab6328f52570e9152314ce8817224e2f35d9de417f290585c2b75f5417ffd5bea10f5531fbc5e6c64e3cf7d9a660beb16
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Filesize
991KB
MD5d7d92855e2ec350e1130af6fb76e5554
SHA168728ffdf264158b78d57f4101e2e6f0ff988289
SHA25656df39c4fc3809a0401d3c3e75466a5a08b71ba678df7ff05e8b53495d0886d1
SHA5129f950fe4f860bb08a625b8394fc77f4658e83696432c99bba0878b8d9b188bfee3d1ed199418f219337e66b512b0b6d282352dcdf68e9a557c0a29f24e756afd