am1bcc[.]exe | Triage

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General

Target

am1bcc.exe
Size

506KB
MD5

5f2b3a5a21367e9597cf27280499dc41
SHA1

5832ec192c314506daa105bc98998e260652e8dc
SHA256

3c1131dbdd243570e7fb31a728c93cf436082fa6193a1aa89e71ebfe5af9de3c
SHA512

42f6ed239198e921dd450a33e3040fc13b7f2dcbd911b42b14ec75c459d873116ce335025230101f96df61ea40bcf7a32e779033919a47e4255dbcb6e1e5d60b
SSDEEP

12288:g5uXclBjKTMdGj5fQMNj/twGMjOGWb/wK:5XcjjKTMdGj5fB3I3Wb/wK

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
am1bcc.exe

Files

am1bcc.exe
.exe windows:4 windows x64 arch:x64

4785cdbbb3ca71b1f0d9e7f0dcccd5ec

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

DeleteCriticalSection
EnterCriticalSection
GetLastError
GetShortPathNameA
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
MultiByteToWideChar
SetUnhandledExceptionFilter
Sleep
TlsGetValue
VirtualProtect
VirtualQuery
WideCharToMultiByte
__C_specific_handler

msvcrt

___lc_codepage_func
___mb_cur_max_func
__getmainargs
__initenv
__iob_func
__set_app_type
__setusermatherr
_amsg_exit
_cexit
_commode
_errno
_fmode
_initterm
_lock
_onexit
_strdup
_strtoi64
_strtoui64
_unlock
abort
acos
atof
atoi
calloc
exit
fclose
fflush
fgets
fopen
fprintf
fputc
free
fwrite
getc
getenv
isalpha
islower
isspace
isxdigit
ldexp
localeconv
malloc
memcpy
memset
realloc
rewind
signal
strcat
strchr
strcmp
strcpy
strerror
strlen
strncat
strncmp
strncpy
strtol
strtoul
system
tolower
ungetc
vfprintf
wcslen

Sections

.text
Size: 119KB - Virtual size: 118KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 134KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 96B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 164B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/4
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 117KB - Virtual size: 116KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/31
Size: 20KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 57KB - Virtual size: 57KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/57
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/70
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/81
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/97
Size: 73KB - Virtual size: 72KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/113
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

4785cdbbb3ca71b1f0d9e7f0dcccd5ec

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

Sections

.text Size: 119KB - Virtual size: 118KB

.data Size: 5KB - Virtual size: 4KB

.rdata Size: 12KB - Virtual size: 12KB

.pdata Size: 2KB - Virtual size: 2KB

.xdata Size: 3KB - Virtual size: 2KB

.bss Size: - Virtual size: 134KB

.idata Size: 3KB - Virtual size: 2KB

.CRT Size: 512B - Virtual size: 96B

.tls Size: 512B - Virtual size: 16B

.rsrc Size: 1KB - Virtual size: 1KB

.reloc Size: 512B - Virtual size: 164B

/4 Size: 3KB - Virtual size: 2KB

/19 Size: 117KB - Virtual size: 116KB

/31 Size: 20KB - Virtual size: 20KB

/45 Size: 57KB - Virtual size: 57KB

/57 Size: 8KB - Virtual size: 8KB

/70 Size: 1KB - Virtual size: 1KB

/81 Size: 12KB - Virtual size: 11KB

/97 Size: 73KB - Virtual size: 72KB

/113 Size: 3KB - Virtual size: 2KB

.text
Size: 119KB - Virtual size: 118KB

.data
Size: 5KB - Virtual size: 4KB

.rdata
Size: 12KB - Virtual size: 12KB

.pdata
Size: 2KB - Virtual size: 2KB

.xdata
Size: 3KB - Virtual size: 2KB

.bss
Size: - Virtual size: 134KB

.idata
Size: 3KB - Virtual size: 2KB

.CRT
Size: 512B - Virtual size: 96B

.tls
Size: 512B - Virtual size: 16B

.rsrc
Size: 1KB - Virtual size: 1KB

.reloc
Size: 512B - Virtual size: 164B

/4
Size: 3KB - Virtual size: 2KB

/19
Size: 117KB - Virtual size: 116KB

/31
Size: 20KB - Virtual size: 20KB

/45
Size: 57KB - Virtual size: 57KB

/57
Size: 8KB - Virtual size: 8KB

/70
Size: 1KB - Virtual size: 1KB

/81
Size: 12KB - Virtual size: 11KB

/97
Size: 73KB - Virtual size: 72KB

/113
Size: 3KB - Virtual size: 2KB