General
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Target
Client-built.exe
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Size
553KB
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MD5
b0c87932a54f72b3e0c64b4dabad4fb2
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SHA1
26ff83c64aafeeefbd90fd37bc66394f644829f2
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SHA256
5db4ef62de1c24cba4c67370d4f0c055cd37fee9b94da075be78d839f44d9376
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SHA512
14cd14171abebff27dabea04eead85eb821635efebdfc8a3409bc850cadbee674fdb26748e893cf51b25c1b527b7935db8f4b8206f9b705f41339beca64c7193
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SSDEEP
6144:hI6bPXhLApfpsaTeBMZGqWj7b9PsCY40tutu5f3bZXoMrjtEK1:2mhAp1eOZ1gGxF5f3WMrjtEK1
Malware Config
Extracted
quasar
1.3.0.0
Office04
94.62.38.122:5678
QSR_MUTEX_F3T0t2VGnn32URpD6O
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encryption_key
QkgCAgXPJcR1t9UVrece
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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
Allah
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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 Client-built.exe
Files
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Client-built.exe.exe windows 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: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 207KB - Virtual size: 207KB
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