Behavioral task
behavioral1
Sample
qua1copy.exe
Resource
win7-20240903-en
General
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Target
qua1copy.exe
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Size
3.1MB
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MD5
93c01f8db5d2ed29f0517e5127cc8e20
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SHA1
6dd1ec4bb3a44d49069c520147d3a2f770712f9d
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SHA256
1802c12195920564b376da69515b15bd80800b4f5e4c78fd7eb7ddc16eb4c16f
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SHA512
e88f5a48f13d6b398442cf4ed2486f2eafa9305869df1b9b8b8321207227fe1dbbc60f81f05f36e68a08f205f7a0a1db1b5196b309a57418e99b2e3ea0245858
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SSDEEP
24576:ay0l0qdGhU/yVzs01yI0ovMdtm0CFnlzTrKP:a3yayVt0okdt
Malware Config
Extracted
quasar
1.4.1
Office04
45.66.231.154:4782
4304b988-116c-4522-ab83-7f9ad875f60f
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encryption_key
A6B8B9B9B02FC86103A59CE003D7B3B45DAF8550
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install_name
svchost.exe
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log_directory
svchost
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reconnect_delay
3000
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startup_key
svchost
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subdirectory
svchost
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource qua1copy.exe
Files
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qua1copy.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
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: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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