Analysis
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max time kernel
145s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
05-04-2024 17:42
Static task
static1
Behavioral task
behavioral1
Sample
da7662fc079f089cefe7aebadf311efd_JaffaCakes118.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
da7662fc079f089cefe7aebadf311efd_JaffaCakes118.exe
Resource
win10v2004-20240226-en
General
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Target
da7662fc079f089cefe7aebadf311efd_JaffaCakes118.exe
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Size
128KB
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MD5
da7662fc079f089cefe7aebadf311efd
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SHA1
c169aeeafa21b785a030a0e2159e0e75bb263f47
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SHA256
18bac69ca9f61fa36e49d2fbdb4015dcdf9791d9125cc45d5970fde1d70dd801
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SHA512
0248afdeb94c92c1fc2ea7e57e6a99c357874a72c35dec78ad5517dfa051c574653e8b7031cb55245a969b88f963ae51bc61104b29cc342ff3524ab8dd80049a
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SSDEEP
3072:O+r5c07k6Oo+mNbXIPWPrfq4Ip5bYjS/fo+mNbXIPWPr:O85Rk6z+2XuWPrcNYcQ+2XuWPr
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4608 outlook.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\sys32.exe" da7662fc079f089cefe7aebadf311efd_JaffaCakes118.exe -
Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification C:\Windows\sys32.exe da7662fc079f089cefe7aebadf311efd_JaffaCakes118.exe File opened for modification C:\Windows\outlook.cfg outlook.exe File created C:\Windows\crc32.cfg outlook.exe File created C:\Windows\sys32.exe da7662fc079f089cefe7aebadf311efd_JaffaCakes118.exe File created C:\Windows\outlook.exe da7662fc079f089cefe7aebadf311efd_JaffaCakes118.exe File opened for modification C:\Windows\outlook.exe da7662fc079f089cefe7aebadf311efd_JaffaCakes118.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4540 4608 WerFault.exe 85 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3856 wrote to memory of 4608 3856 da7662fc079f089cefe7aebadf311efd_JaffaCakes118.exe 85 PID 3856 wrote to memory of 4608 3856 da7662fc079f089cefe7aebadf311efd_JaffaCakes118.exe 85 PID 3856 wrote to memory of 4608 3856 da7662fc079f089cefe7aebadf311efd_JaffaCakes118.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\da7662fc079f089cefe7aebadf311efd_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\da7662fc079f089cefe7aebadf311efd_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3856 -
C:\Windows\outlook.exeC:\Windows\outlook.exe2⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:4608 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 298683⤵
- Program crash
PID:4540
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4608 -ip 46081⤵PID:4392
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD55ed207f52725ee68848174faea6026ba
SHA1586244d8f7296b028724bbb3e2f456c9ecf7d688
SHA25686511ab1a7782c82534a800050c2380482421fdcad00431eb8bce13729aebadb
SHA512bd1e1b7ac70f6b68f28ccbaefc0d683c652961ab0caa54622077e65c4cd334cb63500e3969ba347e3a86258f098879e56a68526f8641924a11289ec4d450cec4
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Filesize
737B
MD5ed01c721cc56336834ba3852cffbd2ea
SHA1683599a8859ea35386742a9d94ac99f87482ffa4
SHA256cdc569a8e1da691bbf8f7e320c4ac64222c77c46bfeb89e8a1014592d44d3da6
SHA5121eccafcbbb2665e1ca055895770bd070178bfd4946f5dd556c6d1be6a4abac339ffb20b83ef2445abed5f48a064fc641a78c234092f622726ad459b3b53e7739
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Filesize
1KB
MD524374222b80065386e56d828c5720f21
SHA15dd0acda4907bd6a73e83af56325e047146da909
SHA2568eb357b69134b97ab6c07d5a2b774c4c3b27f320c0c495a988fb451676d91c74
SHA5120029cb6e156d14e1563e2ab09469ed9737b407fea825e437d4c02f791ddbfe1b8a029ffd71b8301122830fa84103b199142130b96ce3cde9f0726c049cf36d5a
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Filesize
1KB
MD58cc0e2d8d91945754217e74c9aa9f8b4
SHA1dd27fc2cb6b4e15388e1416559df85addaa26962
SHA256fd43c37b6659a99d86fb97c1ea8f1317cf9533bf631ec1479d18d6be10c2da7b
SHA51293fcd7203d55a0c0bfd407b46fe399d44e6a3ba7d8e6c0a566cbeea3ead28354e616f29348eee6058715abc244495f1d82b858fa04c99c2d0c0d772460466730
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Filesize
49KB
MD50e9379e357aba95f8b9883af9b67675e
SHA1280a174a414e5b8588f42b6328af2c8c8ff4394f
SHA25696b9c4ead67d03eb2c69103a983274e013e3466e80d8f95bd7cf3aea8be05b28
SHA5126cc383806882729cd889b025802ac0d5e1c55a74b3e7d7c98932644e8802fe52b5b14a886eff70ab7deaa70fb60bb9898e55b5cd83b5b99e2a2d107dce367784