Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral2
Sample
Client-built.exe
Resource
win10ltsc2021-20241023-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
c17ff0333852bb47c256d3a448910271
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SHA1
be09b580de7608f2f1e9013bd16ad5499faf2ce3
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SHA256
e5963a8de3d81aff5bd3193d5137baa1b9022d6106dc3141f4d99c14e2fbad7e
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SHA512
1bf1840de9a7547fef877e0986c4a71c0360ea9005a3f85b98836596acc713e6d9764fd9c0a0d7356b0621cb278ec403bf7ac71f8155decb046d14ec4ecd13f5
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SSDEEP
49152:rvClL26AaNeWgPhlmVqvMQ7XSK7pDGjHmzMVoGdBHTHHB72eh2NT:rv6L26AaNeWgPhlmVqkQ7XSKdDGjN
Malware Config
Extracted
quasar
1.4.1
Office04
answer-patients.gl.at.ply.gg:4538
bd9cc66c-344e-4ad2-b846-b59ac86aa18e
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encryption_key
9672EF6F385B517A0E912363D30D7BF6BDEA77A6
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install_name
siema.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
svhost.gg
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
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