Behavioral task
behavioral1
Sample
3dbbe5d8d72bb915d2a7788665c1db4ae5d461dbea63ac7a4ec00f0581880dac.exe
Resource
win7-20230220-en
General
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Target
02974302d05f8bc4fd76bd730472afcb.bin
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Size
1.2MB
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MD5
ac78c92d58f2d20d5029d19f4866431b
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SHA1
ce427e31465c93ce1fc4dacc3fa01e1d742bc112
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SHA256
29cb9550a9a6ab96b0c9ba2f8c36607a7a91d3b255f6af5a1a60093b32ea011e
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SHA512
8ac3bb8089fc4573a9627b3dca2edbd4567223feb311ba0f2e5068993469e0b83e5ec068a3b15bf2702c719ac258d9d1dd05ccf396343666054e4e3e01a415cd
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SSDEEP
24576:/Z6o6MZqhH7HwdBBODMWO4aW7OtPqwuHs8bb2eOrFBUtD5O6E:IIUMBOgWOMOnqs8bb2pqlO6E
Malware Config
Extracted
quasar
1.4.1
Office04
146.56.36.222:4782
7f7ed913-c15a-425c-b6af-5834bd7badf6
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encryption_key
F48794CF898BB4C5B6223D4F472D7C5E4AD2EF9D
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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
15156
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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/unpack001/3dbbe5d8d72bb915d2a7788665c1db4ae5d461dbea63ac7a4ec00f0581880dac.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/3dbbe5d8d72bb915d2a7788665c1db4ae5d461dbea63ac7a4ec00f0581880dac.exe
Files
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02974302d05f8bc4fd76bd730472afcb.bin.zip
Password: infected
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3dbbe5d8d72bb915d2a7788665c1db4ae5d461dbea63ac7a4ec00f0581880dac.exe.exe windows 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