Behavioral task
behavioral1
Sample
System.exe
Resource
win7-20240729-en
General
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Target
059de2d5dad8f527afdd419a0593815b.bin
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Size
1.1MB
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MD5
d7d74e874e9850412ca5345ad44d50b4
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SHA1
c40a458f358315352d6bb57d7788f86e054e39f0
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SHA256
ccbbbf84de0ce4545715cfec71773049c7595690c76fde6f76c581d7307978a6
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SHA512
695ced83691b1d02c53bf23bfb81cf48052a638ae233a82e36a264693c57f88bd3e03a475b471d447a66ba80cbb75ccf66feb7e6f0492a479c0029fcb96d7197
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SSDEEP
24576:WoUP4/cyEfI1sPPWCD8pa3I6fc6oh4uh4VDZVdyLGt/wlxbri8B4:WoUP4/m2kZV4x3M1Tsy
Malware Config
Extracted
quasar
1.4.1
Office04
adnan1453.duckdns.org:7000
5dc678e1-94c3-4678-929d-93496063af39
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encryption_key
3A59215E830DCED5E8B222D0893FB53E5581C45B
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install_name
System.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
System
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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/unpack002/System.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack002/System.exe
Files
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059de2d5dad8f527afdd419a0593815b.bin.zip
Password: infected
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fcb3dff30df407b61463dddbeb990fe7f4f78b41e6f43915325f4b78ab69f34d.zip.zip
Password: infected
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System.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: 3.1MB - Virtual size: 3.1MB
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