General
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Target
wiz.exe
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Size
3.1MB
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MD5
c554f926ebbf8e70abe8be8dffaa5abf
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SHA1
a3ef652e010339f0a5c2718d9900d756d471a824
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SHA256
d7ea41b325dfef93996018ebdfdd479d9485ce6eae4c829890d98fba2a7a9a67
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SHA512
13d0b9c878538fdd730f21831feff9cfbd46784635a5fedd34b9b2b69e85511422a2d1affaa4e973ad932d65ce6375fcce27718e32ef22496df4dd9f13f23005
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SSDEEP
49152:bv+I22SsaNYfdPBldt698dBcjHCjflEmLRk/znL9Gd7TTTHHB72eh2NT:bvz22SsaNYfdPBldt6+dBcjHCjf8LwT
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.6:4782
192.168.1.1:4782
d2522c4d-154f-4c36-a6a3-5c50938dcaa2
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encryption_key
972BA2102D38EA813641BFA16E63C699FB296DE2
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install_name
cat.exe
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log_directory
catlogs
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reconnect_delay
3000
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startup_key
Updater
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subdirectory
netcat
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 wiz.exe
Files
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wiz.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: 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