sha1sum[.]exe[.]3 | Triage

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General

Target

sha1sum.exe.3
Size

19KB
MD5

10cf8f3c437f979309c42941f21f4023
SHA1

4a578ecd09a2d0c8431bdd8cf3d5c5f3ddcddfc9
SHA256

060ce2317b19ba61956a3c37703823984c2481494b6e2b684dfb2a00e534f0f7
SHA512

aafcf8171b25428e2e80634f56bc606adc3348d74a9e3b9b5765ca428f9041fd48c3ff11b003b14eb6d5c6ca72a9bfcf9ba3a8bd4c6eba48643512f94bab2b0e
SSDEEP

384:3AbiKu+lXTEx3wSjLS3CJwbtU7vJyR+k5pMviv+0Y:3Ku+lX7SECJwbC7JyR7pM6

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
sha1sum.exe.3

Files

sha1sum.exe.3
.exe windows:4 windows x86 arch:x86

41f147b2ea7d4a925a53d0837212fea8

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
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

AddAtomA
CreateMutexA
ExitProcess
FindAtomA
GetAtomNameA
InterlockedIncrement
ReleaseMutex
SetUnhandledExceptionFilter
Sleep
WaitForSingleObject

msvcrt

__getmainargs
__p__environ
__p__fmode
__set_app_type
_cexit
_errno
_iob
_onexit
_setmode
abort
atexit
exit
fclose
fopen
fprintf
fread
free
fwrite
malloc
printf
signal
strerror
strlen

Sections

.text
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 64B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 1024B - Virtual size: 624B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.bss
Size: - Virtual size: 208B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 1024B - Virtual size: 964B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE