Analysis
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max time kernel
28s -
max time network
136s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
24-05-2023 09:30
Behavioral task
behavioral1
Sample
1684920551ea8204bc6deacfb8b581a1ec6249e9488b3fd21fef67ff4e7514a570b18027fd948.dat-decoded.exe
Resource
win7-20230220-en
General
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Target
1684920551ea8204bc6deacfb8b581a1ec6249e9488b3fd21fef67ff4e7514a570b18027fd948.dat-decoded.exe
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Size
1.0MB
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MD5
8ec0c056b3467ddabfd1d419dba2ab02
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SHA1
9589034e86fd6c137a9d3c336bf4d109d02d71a7
-
SHA256
e89780d28b646c9d08262ce5e98461ccad3bf797848556c711f18de2b4c2b058
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SHA512
49ac5c1323301746a5ac7583bed565afafc389622b5874c388ebb213782c6f5712052f04e4e6c94766a94c901b93cc6402c87b887ec5ed9c7c55dae0ccc550f8
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SSDEEP
12288:Zk2ftY5kMJDyGouUqg75HVDBvduzTYTTuzikbSNDC/Nplg36up5cd7Ubl:Z/Y5kMJDyGouUqg75HVDBvdcXNplkTl
Malware Config
Extracted
quasar
2.7.0.0
OP23
vhf.sytes.net:4783
15.235.109.170:4782
2vrOj8wCud9msk5z8w
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encryption_key
ywxbR3BS4B6Rtb7nv9vB
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install_name
Venom.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Venom Client Startup
Signatures
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Quasar payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1220-54-0x0000000000B10000-0x0000000000C20000-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 1 ip-api.com -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
1684920551ea8204bc6deacfb8b581a1ec6249e9488b3fd21fef67ff4e7514a570b18027fd948.dat-decoded.exedescription pid process Token: SeDebugPrivilege 1220 1684920551ea8204bc6deacfb8b581a1ec6249e9488b3fd21fef67ff4e7514a570b18027fd948.dat-decoded.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1684920551ea8204bc6deacfb8b581a1ec6249e9488b3fd21fef67ff4e7514a570b18027fd948.dat-decoded.exe"C:\Users\Admin\AppData\Local\Temp\1684920551ea8204bc6deacfb8b581a1ec6249e9488b3fd21fef67ff4e7514a570b18027fd948.dat-decoded.exe"1⤵
- Suspicious use of AdjustPrivilegeToken