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Analysis
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max time kernel
94s -
max time network
98s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
11/08/2024, 16:25
Static task
static1
Behavioral task
behavioral1
Sample
8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe
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Size
206KB
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MD5
8b1577cbbeed99b594ef014f156a703d
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SHA1
362b3d14cc6dbe5d0328d27ea22d5f71d69217ed
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SHA256
2ede3aa0a9c194a2e5ae22535cc7fd3d314646d12715a4e6bd4547a984115e1e
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SHA512
5001310ec64924637c390a7e4b68bf886f7cd602a7776f5b8eb7df9b9a8677b94a0f8a1113d354c9e9ae0bde02fcbcf426d50544c70d0cdd9f0ec4fb677058ea
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SSDEEP
3072:q4mkYmY2OdXZntJZye+BuUKwedGVXJVb5b80FbDkPpNA//QloPpYr:q4dHYTZye+BugkGJbO0P/QloBY
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1916 cmd.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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resource yara_rule behavioral1/memory/2432-2-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-6-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-7-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-5-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-8-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-4-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-12-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-13-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-14-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-16-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-18-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-20-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-22-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-26-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-28-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-35-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-40-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-43-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-48-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-49-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-54-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-55-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-60-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-65-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-69-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-70-0x0000000000400000-0x000000000046C000-memory.dmp upx behavioral1/memory/2432-76-0x0000000000400000-0x000000000046C000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\SMAV = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe /cs:1 " 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\SMAV = "\"C:\\ProgramData\\c46f79e\\SecurityMasterAV.exe\" /s" 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe -
Checks for any installed AV software in registry 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Eset\Nod\ 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2212 set thread context of 2432 2212 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 30 -
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 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe -
Kills process with taskkill 1 IoCs
pid Process 2960 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2960 taskkill.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2212 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2212 wrote to memory of 2432 2212 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 30 PID 2212 wrote to memory of 2432 2212 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 30 PID 2212 wrote to memory of 2432 2212 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 30 PID 2212 wrote to memory of 2432 2212 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 30 PID 2212 wrote to memory of 2432 2212 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 30 PID 2212 wrote to memory of 2432 2212 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 30 PID 2212 wrote to memory of 2432 2212 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 30 PID 2212 wrote to memory of 2432 2212 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 30 PID 2212 wrote to memory of 2432 2212 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 30 PID 2432 wrote to memory of 2960 2432 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 31 PID 2432 wrote to memory of 2960 2432 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 31 PID 2432 wrote to memory of 2960 2432 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 31 PID 2432 wrote to memory of 2960 2432 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 31 PID 2432 wrote to memory of 1916 2432 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 43 PID 2432 wrote to memory of 1916 2432 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 43 PID 2432 wrote to memory of 1916 2432 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 43 PID 2432 wrote to memory of 1916 2432 8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe 43
Processes
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C:\Users\Admin\AppData\Local\Temp\8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2212 -
C:\Users\Admin\AppData\Local\Temp\8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\8b1577cbbeed99b594ef014f156a703d_JaffaCakes118.exe2⤵
- Adds Run key to start application
- Checks for any installed AV software in registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Windows\SysWOW64\taskkill.exe"C:\Windows\System32\taskkill.exe" /F /IM MSASCui* /IM avg* /IM ash* /IM McSA* /IM msse*3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2960
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\del.bat" >> NUL3⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:1916
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
183B
MD5538c314417741440e5e37d4f4f14b78c
SHA10acd26fb7009bdeaca47bb30874f0c9cdf3c62fb
SHA256a6314f6784c9a28de892555a25133de487eb81de6e8ee19aac32505b3e3000bf
SHA512cf3afa5da86d9bd29c14dee10050c4e9d46cf3f1abc4152c927f68ea386a6f1a44c5f17e46c90cf4286885a0609e472f562ba4dc9a7151241682b9a22fc27537