Behavioral task
behavioral1
Sample
FnPull.exe
Resource
win7-20241023-en
General
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Target
FnPull.exe
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Size
3.1MB
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MD5
b70f21695faf7d3ebe315f12c625bdf6
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SHA1
7f7a6240b29ddb975667e676f49e419b0f6ebab2
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SHA256
34b759044bb006cfa44294f77ebdce8c0fcc4f46a29389367b7656540cca5040
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SHA512
b67eed929cd07fe30f84eb2f57818933d543a77f35e694f2c0a8057b36e74918eb31438ac82301047f3c2748986b859b637a3ad617cd8c007cf9dc218ab753d7
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SSDEEP
49152:2vUt62XlaSFNWPjljiFa2RoUYIcStS+4A/h1oGd8/THHB72eh2NT:2vI62XlaSFNWPjljiFXRoUYIcQS1A/v
Malware Config
Extracted
quasar
1.4.1
Office04
10.0.0.74:4782
6c5433c5-9f1a-458c-b39f-92c6df8cddac
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encryption_key
4363B48E7906D56C2D59200480989BD5BB39F5EC
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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
Window AntiMalWare
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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 FnPull.exe
Files
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FnPull.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