Behavioral task
behavioral1
Sample
dc4e60715160d270d5b34204c0ef1f947a94d71eccc4b01111bfce0af6debf3b.exe
Resource
win7-20240708-en
General
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Target
dc4e60715160d270d5b34204c0ef1f947a94d71eccc4b01111bfce0af6debf3b.exe
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Size
3.1MB
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MD5
ef27ef58c0f84cbcbbc4655dedbf4de0
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SHA1
2d22660414046a0ed5f9ce19e0aa64fb1942b335
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SHA256
dc4e60715160d270d5b34204c0ef1f947a94d71eccc4b01111bfce0af6debf3b
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SHA512
f703ca5c85d10ae8fc5d5ddc259d034df3845f20a8709eab3eea54fe99d7fec5866cfa406c8d0c1bb475ef00cc4aecbba6b963ab510938a9a768811b11083d9b
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SSDEEP
49152:rvDI22SsaNYfdPBldt698dBcjHJwRJ6/bR3LoGdkTHHB72eh2NT:rv822SsaNYfdPBldt6+dBcjHJwRJ6R
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.74:4782
b4ad83f8-b608-477d-8395-2274bcaab6d1
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encryption_key
62EF51244AF3535A6A9C77206CD89D5BFECD7E4E
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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 dc4e60715160d270d5b34204c0ef1f947a94d71eccc4b01111bfce0af6debf3b.exe
Files
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dc4e60715160d270d5b34204c0ef1f947a94d71eccc4b01111bfce0af6debf3b.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