Behavioral task
behavioral1
Sample
v1.txt.exe
Resource
win7-20230220-en
General
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Target
v1.txt.exe
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Size
1.0MB
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MD5
8ec0c056b3467ddabfd1d419dba2ab02
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SHA1
9589034e86fd6c137a9d3c336bf4d109d02d71a7
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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 family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource v1.txt.exe
Files
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v1.txt.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 1.0MB - Virtual size: 1.0MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ