Behavioral task
behavioral1
Sample
fc3e553270ca9ee914c8b813393d3a2a659a2a18e51b6a730036348bc4cae413.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
fc3e553270ca9ee914c8b813393d3a2a659a2a18e51b6a730036348bc4cae413.exe
Resource
win10v2004-20240508-en
General
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Target
fc3e553270ca9ee914c8b813393d3a2a659a2a18e51b6a730036348bc4cae413.exe
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Size
3.1MB
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MD5
f1dd84b637552358cfc4b9dda1dc04f7
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SHA1
118d8a8f4df0bd95303c977f2fa2883dbd8f4222
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SHA256
fc3e553270ca9ee914c8b813393d3a2a659a2a18e51b6a730036348bc4cae413
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SHA512
ff54ac3d296fa0907a073922b19067c942b398290c86d7b2b176f5d15c49b6486348499ac5f121aef8e5bb9ecbd1c4c6d00320528ac6b82701ccec64cf91f5da
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SSDEEP
49152:GvUt62XlaSFNWPjljiFa2RoUYI5zbvsBx3AoGdkTHHB72eh2NT:GvI62XlaSFNWPjljiFXRoUYI5fvr
Malware Config
Extracted
quasar
1.4.1
Krampus.gg
10.0.0.76:4782
b2297f47-c39d-4f55-91d6-74d9f38e9fd1
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encryption_key
21407C13DE42FCCADE77E86119A8CD11B5DCC515
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install_name
Krampus.gg.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
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource fc3e553270ca9ee914c8b813393d3a2a659a2a18e51b6a730036348bc4cae413.exe
Files
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fc3e553270ca9ee914c8b813393d3a2a659a2a18e51b6a730036348bc4cae413.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