General
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Target
Client-built.exe
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Size
3.1MB
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MD5
4154355d39cb3f7ec6be0222e2508773
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SHA1
d1b57f612acddc4c59bf901a5bf74df5ade13280
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SHA256
7dae1d89f38e6fd6cd87d4c6619573ac8c0140af985896ad553cac26edc3b78a
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SHA512
1efcd1714c72d0569e579e3746b057bf076a31a655148e31d8366a74912be2b57e6d00dfa75e0e770de9cee6959383a5bda630abae20530425c39e63769ac49e
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SSDEEP
49152:3vrI22SsaNYfdPBldt698dBcjHSv41mzpEoGdVHTHHB72eh2NT:3vU22SsaNYfdPBldt6+dBcjHK4b
Malware Config
Extracted
quasar
1.4.1
Office04
lolimaginerattin24-26181.portmap.host:26181
5322b71c-e6d1-4271-a40e-ed1736164335
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encryption_key
9C4EA8E0DF89BE6122CBCA3F1DCCDAE968F75366
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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
msservice
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subdirectory
SubDir
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