Behavioral task
behavioral1
Sample
21BOOT~1.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
21BOOT~1.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
YOURCL~1.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
YOURCL~1.exe
Resource
win10v2004-20231215-en
General
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Target
2ba040de7f86e6dc536ece8ca3537784
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Size
95KB
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MD5
2ba040de7f86e6dc536ece8ca3537784
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SHA1
56911de3acefd5eb82567ba78d19e4f3370eefd0
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SHA256
21a3b9cbbe9d302a53c78d10bf8784477f8cb8068c2518b5367f3e551a6cdad2
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SHA512
61808a603c1658f4c544224fb786d0b7581bda0496528a220946b9c6767648e3c034f2c4158071d4953494e41a57157df7154b144621b2b8d16103d262369bfa
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SSDEEP
1536:nIcNfJIz52Wc913ZKvJ6OCuG5iHKF2stiqzI2CqO+xFf0yVvfUU6ePx+C5CZSkgZ:nIQfJIn4ZKR6OfGAHe7iudClEiGMU6ZA
Malware Config
Signatures
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resource yara_rule static1/unpack001/YOURCL~1.EXE upx -
Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/21BOOT~1.EXE unpack001/YOURCL~1.EXE unpack002/out.upx
Files
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2ba040de7f86e6dc536ece8ca3537784.cab
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21BOOT~1.EXE.exe windows:4 windows x86 arch:x86
a64765d65aab2f0dd1ce6addbf816db0
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
msvbvm60
MethCallEngine
ord595
ord596
ord598
ord632
EVENT_SINK_AddRef
ord561
DllFunctionCall
EVENT_SINK_Release
EVENT_SINK_QueryInterface
__vbaExceptHandler
ord607
ord608
ord535
ord100
ord581
Sections
.text Size: 108KB - Virtual size: 107KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 76KB - Virtual size: 74KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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YOURCL~1.EXE.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 40KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 3KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 36KB - Virtual size: 33KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ