Behavioral task
behavioral1
Sample
6d6c9c719e2f757442374af378c343a7.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6d6c9c719e2f757442374af378c343a7.exe
Resource
win10v2004-20241007-en
General
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Target
6d6c9c719e2f757442374af378c343a7.exe
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Size
3.1MB
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MD5
6d6c9c719e2f757442374af378c343a7
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SHA1
a58a2aa6dae2dbdf64472614985cac2adce4eddb
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SHA256
444c97f6db0626069965d9e4ddb4bf315326954c51b123b3dc7d64084e7fb646
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SHA512
a3ef795e64b1d43ca300da97abc7d211e5987064c1c7cafa7a1dadcd1cb35902fb230f5b8e9a008ced4bc1d33573403bad2d99a4ccca9b6b749355110eb10210
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SSDEEP
49152:HwElUPhZwv68DkG17WlqTz5oqM/p7vGJfAHdkTHHB72eh2NT:HwYUPhZwv68DkG17WlqTzeqM/p6t
Malware Config
Extracted
quasar
1.4.2
Office04
193.31.28.181:4004
704ccf6d-01bf-4037-a807-12a60509b1a4
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encryption_key
379B83B5AFE5908E0BC4583EBB5A83D7B76D2E00
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install_name
Client.exe
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log_directory
$77-Logs
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reconnect_delay
3000
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startup_key
$77-cmd
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subdirectory
$77-cmd
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 6d6c9c719e2f757442374af378c343a7.exe
Files
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6d6c9c719e2f757442374af378c343a7.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