Behavioral task
behavioral1
Sample
Java32.exe
Resource
win7-20241010-en
General
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Target
Java32.exe
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Size
3.3MB
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MD5
bc884c0edbc8df559985b42fdd2fc985
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SHA1
9611a03c424e0285ab1a8ea9683918ce7b5909ab
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SHA256
e848b330ee5a8bd5ae1f6b991551e30a4a5b2e5deeb4718a15b2122101f2c270
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SHA512
1b8c97d500de45fbf994dcd9bf65cc78106a62ff0770a362add18866cceebbe9f5e157a77d26cb0d0d8de89abe3d446bc911f33e7027fa8f8809d2720b0cedcc
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SSDEEP
49152:BvmI22SsaNYfdPBldt698dBcjHideEErHFk/uVSoGdf3THHB72eh2NT:Bvr22SsaNYfdPBldt6+dBcjHidel8
Malware Config
Extracted
quasar
1.4.1
Java
dez345-37245.portmap.host:37245
f0e53bcd-851e-44af-8fd5-07d8ab5ed968
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encryption_key
65439CE7DEF3E0FAF01C526FEA90388C9FD487A1
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install_name
java.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
java ©
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subdirectory
Programfiles
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 Java32.exe
Files
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Java32.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: 170KB - Virtual size: 169KB
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