FSR[.]exe | Triage

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General

Target

FSR.exe
Size

1.2MB
MD5

b1a9745279337311150a2fb593c5bc67
SHA1

3209a7135ab108205d8b6ce526f17dce73c748f2
SHA256

afcd684aef5105373cad1700cea6b9ccccad7bed95963e97bf764f8b32eaf0c2
SHA512

5259cb77d3f07d31621c7ea35429f9f566d10498ee8322f0339bae3278393582e17bb6b5a5fb991b2c791e7758e7337111868e10201e373d587f6d1f609851a1
SSDEEP

24576:mdLiBQs0s5G1fnbFPVN9kyB+ukQXsarC4s5uK7CLoJX:mhqOxPTVBpj0B+MJX

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
FSR.exe

Files

FSR.exe
.exe windows:6 windows x64 arch:x64

fbd7d5865378a32471d7af2e07b4486f

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

FreeLibrary
GetSystemTimeAsFileTime
GetModuleHandleA
LoadLibraryA
GetProcAddress
HeapAlloc
HeapFree
ExitProcess

user32

MessageBoxW

shell32

ShellExecuteW

advapi32

RegOpenKeyExW

api-ms-win-crt-runtime-l1-1-0

_invalid_parameter_noinfo_noreturn

api-ms-win-crt-stdio-l1-1-0

__p__commode

api-ms-win-crt-heap-l1-1-0

free

api-ms-win-crt-string-l1-1-0

strcpy_s

api-ms-win-crt-convert-l1-1-0

wcstoul

api-ms-win-crt-time-l1-1-0

_gmtime64_s

api-ms-win-crt-locale-l1-1-0

___mb_cur_max_func

api-ms-win-crt-math-l1-1-0

__setusermatherr

Sections

.text
Size: - Virtual size: 88KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: - Virtual size: 37KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

./aM
Size: - Virtual size: 1.6MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.GJo
Size: 512B - Virtual size: 280B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.nFU
Size: 1.2MB - Virtual size: 1.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
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: 60B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fbd7d5865378a32471d7af2e07b4486f

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

advapi32

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-convert-l1-1-0

api-ms-win-crt-time-l1-1-0

api-ms-win-crt-locale-l1-1-0

api-ms-win-crt-math-l1-1-0

Sections

.text Size: - Virtual size: 88KB

.rdata Size: - Virtual size: 37KB

.data Size: - Virtual size: 5KB

.pdata Size: - Virtual size: 4KB

_RDATA Size: - Virtual size: 348B

./aM Size: - Virtual size: 1.6MB

.GJo Size: 512B - Virtual size: 280B

.nFU Size: 1.2MB - Virtual size: 1.2MB

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

.reloc Size: 512B - Virtual size: 60B

.text
Size: - Virtual size: 88KB

.rdata
Size: - Virtual size: 37KB

.data
Size: - Virtual size: 5KB

.pdata
Size: - Virtual size: 4KB

_RDATA
Size: - Virtual size: 348B

./aM
Size: - Virtual size: 1.6MB

.GJo
Size: 512B - Virtual size: 280B

.nFU
Size: 1.2MB - Virtual size: 1.2MB

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

.reloc
Size: 512B - Virtual size: 60B