Static task
static1
Behavioral task
behavioral1
Sample
655a0587ace0a7f72be7725d6081de97f520d5815cdaae0d1ac6698675216146.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
655a0587ace0a7f72be7725d6081de97f520d5815cdaae0d1ac6698675216146.exe
Resource
win10v2004-20231222-en
General
-
Target
655a0587ace0a7f72be7725d6081de97f520d5815cdaae0d1ac6698675216146.exe
-
Size
701KB
-
MD5
45fb50b96ebc894990aad96882f834ee
-
SHA1
69ed3fa1b8ff7135961807c0ed74155bf528080b
-
SHA256
655a0587ace0a7f72be7725d6081de97f520d5815cdaae0d1ac6698675216146
-
SHA512
f62b418ecd1a7c3de4ae4d05f816af77153c58aeba4e3ac329f7a400d053b7f47c44db506e491eb791a312cab8d7b6e97a41fac1dbbab224bbeb2a66c5ce6bdf
-
SSDEEP
12288:RsCKRzLsTzOuN6F7ZY6S7gnLg+yf+3cJzA0pGQbFf8A/:RsLRz6OuN6nLSiLg+yGMi0gQb
Malware Config
Signatures
-
Detects executables packed with or use KoiVM 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_KoiVM -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 655a0587ace0a7f72be7725d6081de97f520d5815cdaae0d1ac6698675216146.exe
Files
-
655a0587ace0a7f72be7725d6081de97f520d5815cdaae0d1ac6698675216146.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
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_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 698KB - Virtual size: 698KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
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