Behavioral task
behavioral1
Sample
d58f2fde71efa04a818c435fd09aa402dd1bd27c8be8c25334efa8f723e25fa2.exe
Resource
win7-20240903-en
General
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Target
d58f2fde71efa04a818c435fd09aa402dd1bd27c8be8c25334efa8f723e25fa2
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Size
349KB
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MD5
3f468061a6c2ade55918e370e81f088f
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SHA1
3479fdac2134ca54c45033f4df95750c7556c2dd
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SHA256
d58f2fde71efa04a818c435fd09aa402dd1bd27c8be8c25334efa8f723e25fa2
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SHA512
91a90ffd0dae4b3e64e769795544bbe8608f98474efde5625dc81cd42f8cc58191372832091cf2294c7d24f9e1029ec51c6c3c502f14c3eddb8eaaa23d022191
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SSDEEP
6144:5K2J10qdSlEc39HGepjU5AKA3D3MTYZdbuaiR4KJDqIm7I0x:5KF7+AKA3D3AMUaMv5M7I0x
Malware Config
Extracted
quasar
1.3.0.0
Office04
10.30.53.25:4782
8.152.163.191:4782
QSR_MUTEX_35elbwFe5eXeDDeAhX
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encryption_key
9y1gkBsPl3gcf36ibugu
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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 sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource d58f2fde71efa04a818c435fd09aa402dd1bd27c8be8c25334efa8f723e25fa2
Files
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d58f2fde71efa04a818c435fd09aa402dd1bd27c8be8c25334efa8f723e25fa2.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: 346KB - Virtual size: 345KB
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