Static task
static1
Behavioral task
behavioral1
Sample
yyb4.sp.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
yyb4.sp.exe
Resource
win10v2004-20230703-en
General
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Target
yyb4.sp.exe
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Size
35.2MB
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MD5
d7180fa10e17e5e24ada3d43d117a7ea
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SHA1
a3a3f1e8b701fae85521aa0af6719a216d13757c
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SHA256
5d76512b41eba12a0ede19c0f1393220b0d524ae9118e0ab766811dd91305abf
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SHA512
edc54a808b27e68236a6876c0954d6a66a619dc925557b55b572be3fd0c606b6392b8f336da121d2b3404392a0c5c748ba7808165dfb4749063a9b204b1311d6
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SSDEEP
786432:ynssgnq3EoG5z7tdoaqmGvMq/ygKrDQjx5NjoAnBNWs5an9JdsMizc:yncnq3E30VM7gKr3IBk
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource yyb4.sp.exe
Files
-
yyb4.sp.exe.exe windows x86
5ceec759430b802aa530832556453070
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
winmm
midiStreamStop
ws2_32
sendto
kernel32
GetTimeZoneInformation
user32
SetMenu
gdi32
LineTo
winspool.drv
ClosePrinter
advapi32
RegQueryValueExA
shell32
SHGetSpecialFolderPathA
ole32
OleRun
oleaut32
UnRegisterTypeLi
comctl32
ImageList_GetIcon
wldap32
ord29
comdlg32
ChooseColorA
Sections
.text Size: - Virtual size: 1.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: - Virtual size: 1.8MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 383KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 64KB - Virtual size: 63KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.svmp1 Size: - Virtual size: 5.4MB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.svmp2 Size: 6.4MB - Virtual size: 6.4MB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.svmp3 Size: 2.2MB - Virtual size: 2.2MB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.svmp4 Size: 26.6MB - Virtual size: 26.6MB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE