General
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Target
Client-built.exe
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Size
3.1MB
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MD5
878ebdf1e55421d4fdb712ba2e427cfe
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SHA1
fa6d04743a198c16261a3dbc14f6cd1f0fbc70aa
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SHA256
ee1411bf2015e16b221d444007a0b60b8f98f842e110198c3a2fb119b459a3da
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SHA512
cc9a4d7d4f411ba5b8836faceb1fae2605c96502f1f5f0b935e2c7a62bfe9641b84b30eba1ed3f12757c5cae244d5870bd153272d6760694f7f101e713f69173
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SSDEEP
49152:uvAG42pda6D+/PjlLOlg6yQipVZxOEMkKk/JxnoGd5K5THHB72eh2NT:uvD42pda6D+/PjlLOlZyQipVZxBx
Malware Config
Extracted
quasar
1.4.1
Office04
http://stable-notably-hound.ngrok-free.app/:443
8f9ed790-a4d4-42d4-a715-3c3c28f6d95b
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encryption_key
A5F0EE2DBE7A3009387617912AFB48C127E2B576
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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
Quasar Client Startup
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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: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