Behavioral task
behavioral1
Sample
NEAS.280ff5728b64f9a24386f68898bbd330_JC.exe
Resource
win7-20230831-en
General
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Target
NEAS.280ff5728b64f9a24386f68898bbd330_JC.exe
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Size
3.1MB
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MD5
280ff5728b64f9a24386f68898bbd330
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SHA1
3ef05ac2cf32f1ac8eddb6098aabb96c27a0196d
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SHA256
a8afb246d8a8e9398de7d889148bbf4e41f62382878e5bf4f20aab2fb77d70b6
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SHA512
049122f614c17a82f0410f80b9dc9b71b3e6631e2f4987f7433f6c4d002a4eb91e669f54466038ea4ba17c4d7ba5a43775d3366cf07097691211cb9d70b7b850
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SSDEEP
49152:uvXI22SsaNYfdPBldt698dBcjH74mNmzTLoGdn+THHB72eh2NT:uvY22SsaNYfdPBldt6+dBcjH74mq
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.104:4782
4aade2c7-6235-496f-a7d3-c40b34a897b6
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encryption_key
A8E5AD56F34EF1249C811E0877C39C207DA2A436
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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 NEAS.280ff5728b64f9a24386f68898bbd330_JC.exe
Files
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NEAS.280ff5728b64f9a24386f68898bbd330_JC.exe.exe windows:4 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