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Analysis
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max time kernel
149s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
04/05/2024, 19:59
Static task
static1
Behavioral task
behavioral1
Sample
ca7ba45ef94bc95c8c545d3255b77d8c_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ca7ba45ef94bc95c8c545d3255b77d8c_JaffaCakes118.exe
Resource
win10v2004-20240419-en
General
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Target
ca7ba45ef94bc95c8c545d3255b77d8c_JaffaCakes118.exe
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Size
31KB
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MD5
ca7ba45ef94bc95c8c545d3255b77d8c
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SHA1
c4d779b65e70c205430de7ac0a1c30d66a516f91
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SHA256
274b63aaa399873e5dcf2560ef04020f0f317a909a513a73b594ff0a376da20d
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SHA512
d610b0eb5f65c2b4f3d7dc9a2aad2e3920f85d4150c73d9292dbb68f07d7f4c2d069bed9188b2c9c6e588ff0777e565bd31bcb34d63f5130a46c92ec69b37467
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SSDEEP
768:kqPJt5A6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNh4:kqZA6C1VqaqhtgVRNToV7TtRu8rM0wYY
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 4536 microsofthelp.exe -
Executes dropped EXE 1 IoCs
pid Process 4536 microsofthelp.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2860750803-256193626-1801997576-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" ca7ba45ef94bc95c8c545d3255b77d8c_JaffaCakes118.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe ca7ba45ef94bc95c8c545d3255b77d8c_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1820 wrote to memory of 4536 1820 ca7ba45ef94bc95c8c545d3255b77d8c_JaffaCakes118.exe 84 PID 1820 wrote to memory of 4536 1820 ca7ba45ef94bc95c8c545d3255b77d8c_JaffaCakes118.exe 84 PID 1820 wrote to memory of 4536 1820 ca7ba45ef94bc95c8c545d3255b77d8c_JaffaCakes118.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\ca7ba45ef94bc95c8c545d3255b77d8c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ca7ba45ef94bc95c8c545d3255b77d8c_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1820 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
PID:4536
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
31KB
MD5dbc9dd24d2646befe71ac68e8eef1e40
SHA139463457296b49c108249d34f1f6e488c2afaf66
SHA256dd8f3b2db23feed6928cddf899b99ec3a226c7ce959ae62876fe0e41a36c7b31
SHA512280578d908005c4c89dbded0ff3171668f96f77c6f19860620fdf8c1fac55e8ee2934f135dabd1c5f9a01228dc48941c3f96c824f15c9680cdc9740ae8ac2d62