Behavioral task
behavioral1
Sample
Client.exe
Resource
win10-20230703-en
General
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Target
Client.exe
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Size
3.1MB
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MD5
4b97bd8478dcce3e5e526664af9db723
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SHA1
d0c1f556bbac9e81edecfedd7521b7cc1b1e78f6
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SHA256
8634d9e5e69c0eb0758fd4d57ee58fc53c57afc1b61d790493e725ff8f6b79f2
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SHA512
d7dbac6b27cde29260f5154564aa0213a2c94d6471c60e5bab4088ff027621fccd26aa5666f4b86991c84c635e2b2afd525213d2efa223d07dcbe787768458e4
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SSDEEP
49152:5Hl592AYawl1WPOl6NVtRkJ0xExbhEoGdaTHHB72eh2NT:5H/92AYawl1WPOl6NVLkJ0xExbq
Malware Config
Extracted
quasar
1.0
Office
6.tcp.eu.ngrok.io:15209
f66b5493-61eb-4d81-92bf-7cdd5011ca71
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encryption_key
5C8FA74B508E07066B897AA659A1D34132B54635
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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
VC-RAT 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.exe
Files
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Client.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: 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