Static task
static1
Behavioral task
behavioral1
Sample
FinCalc.dll
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
FinCalc.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
x.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
x.exe
Resource
win10v2004-20231222-en
General
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Target
x.7z
-
Size
2.2MB
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MD5
5333dbb1b6328d669c5f39ef288888f6
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SHA1
733dabb9c1ef3f54debdf50047edb0716a658971
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SHA256
af0c840aebbb53ad39d399ed8f771e71c2c572fb716f1b26fac09caeec7dad23
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SHA512
1284aa0b02617e7d692d30c21eb12b2b49017001d705f565de62eb63b300a334ca5f433473b5025307a26602c111e6c50445db8dce754999cc343f3270a9a8cc
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SSDEEP
49152:sdapTzhyBy26cffCwuiPDd9X2HOVY7vz0KXr8AfEQmi:fz0vlfNrTWOVu7r8AfpN
Malware Config
Signatures
-
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/FinCalc.dll unpack001/x.exe
Files
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x.7z.7z
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FinCalc.dll.dll windows:4 windows x86 arch:x86
dae02f32a21e03ce65412f6e56942daa
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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
IMAGE_FILE_DLL
Imports
mscoree
_CorDllMain
Sections
9L|K a: Size: 24KB - Virtual size: 23KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.text Size: 32KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1024B - Virtual size: 760B
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
Size: 512B - Virtual size: 16B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
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x.exe.exe windows:4 windows x86 arch:x86
baa93d47220682c04d92f7797d9224ce
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
lstrcpy
comctl32
InitCommonControls
Sections
Size: 15KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 512B - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 512B - Virtual size: 2.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
siskkvdm Size: 2.1MB - Virtual size: 2.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
yvidanxr Size: 512B - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE