Behavioral task
behavioral1
Sample
1337.exe
Resource
win7-20240705-en
General
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Target
1337.exe
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Size
3.1MB
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MD5
01661d43ffd6b34edc076f4a696662db
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SHA1
3ae991cb4ef54126f7e1b6a4084dd40130f8bc8f
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SHA256
a56ccabfb483581bfae1ef6471241b53ea89c78259044f3da24b11e10a9ff1f1
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SHA512
dfa278d9667c1c782238c9f5276b66f3d9ea6377c421b17e3a50a274cb1915a22ab1127c17b865bd3cc03d89aadb51d097bb69b433755231f26a5dd285016695
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SSDEEP
49152:Gvht62XlaSFNWPjljiFa2RoUYIqxOEMkxk/JxFoGdHTHHB72eh2NT:GvL62XlaSFNWPjljiFXRoUYIqxwL
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.2.51:1337
196fbb22-4fc3-4d2e-9e30-bd3ff8496cbf
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encryption_key
62C0EDEB268B3897916B9C300A334C032152A1EA
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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
Python Updater
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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 1337.exe
Files
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1337.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