Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
21-04-2024 02:21
Static task
static1
Behavioral task
behavioral1
Sample
fe353fe43c1cca454ab7dec340de5fe5_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
fe353fe43c1cca454ab7dec340de5fe5_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
fe353fe43c1cca454ab7dec340de5fe5_JaffaCakes118.exe
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Size
5.1MB
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MD5
fe353fe43c1cca454ab7dec340de5fe5
-
SHA1
2bfff8303840f55aeb50be6411e414f7c62bec66
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SHA256
24520b47857fb9bf8e12eaee60ac2b7ba62373b2822e180e0b20f75fd2987cf6
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SHA512
c526803329604a4f774967abe1407e7991a77957de5b44ef8f5006d9255c2742c908baf87cc803948da535bbc30b200aedf3cf3e3cd6bd68a69ea0ff8665d57e
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SSDEEP
49152:3pjFYb8mFxMQg3Q3cX5C/wnvdAlPjcmYBBgcsbJ5zraFeQQsTt8TPoLFjPi617WM:3DY4mPPt5HG6PoJ3cWf+Tv5h
Malware Config
Extracted
quasar
1.4.0
Office04
127.0.0.1:4782
aecbbbe6-27df-44d1-ad77-4a664950cfb8
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encryption_key
743062375D40E5AA28B42E34C8CE9A6D6F47E6DD
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Client Startup
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subdirectory
SubDir
Signatures
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Quasar payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3712-5-0x00000000055B0000-0x0000000005634000-memory.dmp family_quasar -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
fe353fe43c1cca454ab7dec340de5fe5_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2288054676-1871194608-3559553667-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\OperaSetups = "C:\\Users\\Admin\\AppData\\Roaming\\RuntimeBroker\\RuntimeBroker.exe" fe353fe43c1cca454ab7dec340de5fe5_JaffaCakes118.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 316 3712 WerFault.exe fe353fe43c1cca454ab7dec340de5fe5_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fe353fe43c1cca454ab7dec340de5fe5_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fe353fe43c1cca454ab7dec340de5fe5_JaffaCakes118.exe"1⤵
- Adds Run key to start application
PID:3712 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3712 -s 9802⤵
- Program crash
PID:316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3712 -ip 37121⤵PID:5104