Static task
static1
Behavioral task
behavioral1
Sample
asrun.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
asrun.exe
Resource
win10v2004-20230220-en
General
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Target
asrun.exe
-
Size
693KB
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MD5
43cae546085df772e89bc5951bc0d10a
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SHA1
6d02b4a92f24fab3482edec8e653d696409f922e
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SHA256
91bc6748402337b852d311eda73b25ac1349f78259743a37d5a6d9836a68380a
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SHA512
06aeb065b3bbcd7d998f0edb7d652db74235eb16fbc938a5eaf757e711019f8eff004900ac5ebee17dcf0997ae9dee5ac9779f9edbe36fb9dac9f4259c55dae8
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SSDEEP
12288:ZNxbHB67sIQna4QrL7FYRgcLdKZqZbZrhGpNb8QK8K1MHu:3nspNwQK+u
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource asrun.exe
Files
-
asrun.exe.exe windows x86
2f0cb91b6c293cd4de8206b8c9f19465
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
Imports
kernel32
AddAtomA
CreateProcessA
ExitProcess
FindAtomA
GetAtomNameA
GetExitCodeProcess
SetUnhandledExceptionFilter
Sleep
WaitForSingleObject
msvcrt
__getmainargs
__p__environ
__p__fmode
__set_app_type
_cexit
_iob
_onexit
_setmode
abort
atexit
free
malloc
memset
signal
strcpy
Sections
.text Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 112B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.bss Size: - Virtual size: 112B
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1024B - Virtual size: 760B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.stab Size: 46KB - Virtual size: 45KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.stabstr Size: 632KB - Virtual size: 631KB
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ