Behavioral task
behavioral1
Sample
38632595e5ebb1ec4ed87327df02ffaf844e49559c2e881cb801f6c1e5026b7d.exe
Resource
win7-20240221-en
General
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Target
9a9ad4c7726dc162e42865008d035a67.bin
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Size
180KB
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MD5
ab7aca9b5a4631ddf6520499663d316a
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SHA1
52272fbf0a6b6dd9e789ef9d67ae140a20b701c2
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SHA256
2e98ad011bffb395d3fe21d54a06d2843f264ad313219f0c3607b6cfe414a180
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SHA512
0a66149e7a4b9322311bbefa3d1193edd1d4c6d1d879bf1eb8afcca38f4f343244fd2e7d357b4e672f7703defb22666978ef286b92987c92fe3c190b9bb6187c
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SSDEEP
3072:eKQgCpEFeQiOfgP8gx4LoRKez3KQRPviOGW4v5YY1oarTNqNClrB31WX5W3BXWn/:sieQiygP8gxpRzaQRPvR4R31nNqNCl1S
Malware Config
Extracted
quasar
1.3.0.0
Office04
qutz.duckdns.org:4782
QSR_MUTEX_8k92xB7YX3G5daUSZO
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encryption_key
byj4ViyvvQaDXMdNekxD
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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 family
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Quasar payload 1 IoCs
resource yara_rule static1/unpack001/38632595e5ebb1ec4ed87327df02ffaf844e49559c2e881cb801f6c1e5026b7d.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/38632595e5ebb1ec4ed87327df02ffaf844e49559c2e881cb801f6c1e5026b7d.exe
Files
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9a9ad4c7726dc162e42865008d035a67.bin.zip
Password: infected
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38632595e5ebb1ec4ed87327df02ffaf844e49559c2e881cb801f6c1e5026b7d.exe.exe windows:4 windows x86 arch:x86
Password: infected
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: 344KB - Virtual size: 344KB
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