Analysis
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max time kernel
150s -
max time network
151s -
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 18:05
Behavioral task
behavioral1
Sample
ffdaa7380de41365e6f885d5c1fefb89_JaffaCakes118.exe
Resource
win7-20240215-en
General
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Target
ffdaa7380de41365e6f885d5c1fefb89_JaffaCakes118.exe
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Size
348KB
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MD5
ffdaa7380de41365e6f885d5c1fefb89
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SHA1
16eca6832828ee340052b50c0cfb6810e4157ce5
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SHA256
fe920c2ba73fc82c4564e93fb39fd738aac91ffe5936d4e9bcfa3a14f9ef2863
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SHA512
c9a3d05c9a7f6a9956b2a351023191640eefdd6f9bd997f3ecf13a7c76d6cd394ed285a5ed7be132a7eb58c2f0fc7d8cc95a141e9b777133e8529f8857b9c6da
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SSDEEP
6144:Uh6bPXhLApfpwgnZOwMstZHbqRuvONBBtbinMucRXov+e5biNa:ImhAprU67TsVinTchov+e1iNa
Malware Config
Extracted
quasar
1.3.0.0
Office04
136.244.94.164:3232
QSR_MUTEX_aK1Rny3zYk6USUVnES
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encryption_key
jjeLpKAbWSF7kHDH5wVV
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install_name
Client.exe
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log_directory
asd
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reconnect_delay
1
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startup_key
pack
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subdirectory
SubDir
Signatures
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Quasar payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4576-0-0x0000000000620000-0x000000000067E000-memory.dmp family_quasar -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 9 ip-api.com -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
ffdaa7380de41365e6f885d5c1fefb89_JaffaCakes118.exedescription pid process Token: SeDebugPrivilege 4576 ffdaa7380de41365e6f885d5c1fefb89_JaffaCakes118.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
ffdaa7380de41365e6f885d5c1fefb89_JaffaCakes118.exepid process 4576 ffdaa7380de41365e6f885d5c1fefb89_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
ffdaa7380de41365e6f885d5c1fefb89_JaffaCakes118.exedescription pid process target process PID 4576 wrote to memory of 964 4576 ffdaa7380de41365e6f885d5c1fefb89_JaffaCakes118.exe schtasks.exe PID 4576 wrote to memory of 964 4576 ffdaa7380de41365e6f885d5c1fefb89_JaffaCakes118.exe schtasks.exe PID 4576 wrote to memory of 964 4576 ffdaa7380de41365e6f885d5c1fefb89_JaffaCakes118.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ffdaa7380de41365e6f885d5c1fefb89_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\ffdaa7380de41365e6f885d5c1fefb89_JaffaCakes118.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4576 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "pack" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\ffdaa7380de41365e6f885d5c1fefb89_JaffaCakes118.exe" /rl HIGHEST /f2⤵
- Creates scheduled task(s)
PID:964