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
18-10-2024 02:05
Behavioral task
behavioral1
Sample
54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe
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Size
11.3MB
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MD5
54e2398991a9cddc07f7f06a872f1d63
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SHA1
9986f150239e30469866d4509a6dcae397371e18
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SHA256
f7abf97c66dde0d10eb7d8a90c2286ca4e03f78204fba4a3d7fa405ad21e434d
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SHA512
e6dc4190747a0686a43113caa83ade2c6e651fc97981eabba961a0ec189b5daa22827bafb7dcf8ee11437267a8b141393f18355fd401e67e062bf004f18f505d
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SSDEEP
98304:Ji0tTIMzKpXOMGQzIMzKpXOMGQkIMzKpXOMGQ:801I2lyzI2lykI2ly
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 2 IoCs
Processes:
54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exeHelpMe.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe HelpMe.exe" 54e2398991a9cddc07f7f06a872f1d63_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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Processes:
resource yara_rule \Windows\SysWOW64\HelpMe.exe aspack_v212_v242 C:\$Recycle.Bin\S-1-5-21-3290804112-2823094203-3137964600-1000\desktop.ini.exe aspack_v212_v242 F:\AutoRun.exe aspack_v212_v242 -
Drops startup file 3 IoCs
Processes:
54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exeHelpMe.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Soft.lnk 54e2398991a9cddc07f7f06a872f1d63_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 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
Processes:
HelpMe.exepid process 2176 HelpMe.exe -
Loads dropped DLL 2 IoCs
Processes:
54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exepid process 2056 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe 2056 54e2398991a9cddc07f7f06a872f1d63_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.exe54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exedescription ioc process File opened (read-only) \??\R: HelpMe.exe File opened (read-only) \??\L: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\I: HelpMe.exe File opened (read-only) \??\A: HelpMe.exe File opened (read-only) \??\S: HelpMe.exe File opened (read-only) \??\W: HelpMe.exe File opened (read-only) \??\X: HelpMe.exe File opened (read-only) \??\H: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\S: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\T: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\O: HelpMe.exe File opened (read-only) \??\G: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\N: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\V: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\K: HelpMe.exe File opened (read-only) \??\M: HelpMe.exe File opened (read-only) \??\T: HelpMe.exe File opened (read-only) \??\Z: HelpMe.exe File opened (read-only) \??\B: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\R: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\X: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\Y: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\Z: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\G: HelpMe.exe File opened (read-only) \??\H: HelpMe.exe File opened (read-only) \??\J: HelpMe.exe File opened (read-only) \??\Q: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\W: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\V: HelpMe.exe File opened (read-only) \??\N: HelpMe.exe File opened (read-only) \??\U: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\L: HelpMe.exe File opened (read-only) \??\O: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\E: HelpMe.exe File opened (read-only) \??\U: HelpMe.exe File opened (read-only) \??\Y: HelpMe.exe File opened (read-only) \??\I: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\K: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\J: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\M: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\P: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\B: HelpMe.exe File opened (read-only) \??\P: HelpMe.exe File opened (read-only) \??\Q: HelpMe.exe File opened (read-only) \??\A: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened (read-only) \??\E: 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe -
Drops autorun.inf file 1 TTPs 3 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
Processes:
54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exeHelpMe.exedescription ioc process File opened for modification F:\AUTORUN.INF 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened for modification C:\AUTORUN.INF 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File opened for modification F:\AUTORUN.INF HelpMe.exe -
Drops file in System32 directory 2 IoCs
Processes:
54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exeHelpMe.exedescription ioc process File created C:\Windows\SysWOW64\HelpMe.exe 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe File created C:\Windows\SysWOW64\HelpMe.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.
Processes:
54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exeHelpMe.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language HelpMe.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exedescription pid process target process PID 2056 wrote to memory of 2176 2056 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe HelpMe.exe PID 2056 wrote to memory of 2176 2056 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe HelpMe.exe PID 2056 wrote to memory of 2176 2056 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe HelpMe.exe PID 2056 wrote to memory of 2176 2056 54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe HelpMe.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\54e2398991a9cddc07f7f06a872f1d63_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\54e2398991a9cddc07f7f06a872f1d63_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:2056 -
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
- System Location Discovery: System Language Discovery
PID:2176
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
11.3MB
MD5ca0237b608fd20d950f1a7da77d60470
SHA11415c2852bdefcdd484523328b575b2cd0b79950
SHA256cb96b106aca66e79955840d451b594a2cc18552f133456a6e99b22be84523712
SHA512138891772af124bf300c9256a5f4e6a71280e175fd9534963cf7c986abb65346e504881b6f59d6c107b7ac985af2f5bf84300149fa10e4b2be8c997c61ef1552
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Filesize
954B
MD53d87fe6554d7f5af3d4d15a2dbdae341
SHA1c92de882331f9c7b9ce2720b883910833e3eeafe
SHA2560975591af579114ab610a8f8f79246bb88032aa60b765b545755fd91864c9edc
SHA51201c7e990173e867adfc8ee0c2e1f7ae3c443a81b206d140ef609205735589b70a77da4388977422e3ffe00e2fb22a45591eae08e7e1c89055b1aecbd772b77be
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Filesize
1KB
MD580739873de5aaadf236a69618f86d0d9
SHA18f737b39143e7cc3a93302ba3315c5d9a4cc9503
SHA256cc7264853a9bf876c872747e8b70bce56dc2456ffdbcbb6a531c2ab02f72f922
SHA512c8f8c5e32bd4c533b414224db6963fa54ea588076c17249a5a1f63608bf3c621b2a433193268b7087425b94e4eff4d5d336923e8e4ffcc3e6c5833899c81deb3
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
145B
MD5ca13857b2fd3895a39f09d9dde3cca97
SHA18b78c5b2ec97c372ebdcef92d14b0998f8dd6dd0
SHA256cfe448b4506a95b33b529efa88f1ac704d8bdf98a941c065650ead27609318ae
SHA51255e5b5325968d1e5314527fb2d26012f5aae4a1c38e305417be273400cb1c6d0c22b85bddb501d7a5720a3f53bb5caf6ada8a7894232344c4f6c6ef85d226b47
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Filesize
11.3MB
MD554e2398991a9cddc07f7f06a872f1d63
SHA19986f150239e30469866d4509a6dcae397371e18
SHA256f7abf97c66dde0d10eb7d8a90c2286ca4e03f78204fba4a3d7fa405ad21e434d
SHA512e6dc4190747a0686a43113caa83ade2c6e651fc97981eabba961a0ec189b5daa22827bafb7dcf8ee11437267a8b141393f18355fd401e67e062bf004f18f505d
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Filesize
11.3MB
MD59bfcd5028a56d25466b9e4afe728f817
SHA1a0c9cbc15ec132f85dc7a8eec9315392ed8f5ab5
SHA2560bda3d8488c209fc0b2dc88fb462017e19d553ccf11d6af9919b90f205d63104
SHA512a092ab85fb38b8930f37ad15192fa1c7887935df60e9865432f867c3f0ba0cfefc04fd9cca5a8d01c4c57c877566e28dbdf2f4e54e31917a378ac2a7a722bec5