Rbt[.]xll | Triage

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General

Target

Rbt.xll
Size

12KB
MD5

898e86ab7f52dbd4c543d1aadf7fafee
SHA1

dc256ac1de6620b08879f1d1b6d9f020f3c20cef
SHA256

7edd9d993c55996e4bd60fd4b98fd82e9f526f58217d989b2962a80dcf5148c6
SHA512

bf18c50295b83cee50c3fe987d21a27998e5ea550c6bf1c11d3310ba3126fdb49d1ad01813e629f01397c60ff997089407894a59b22ac8e9e789d692b43b543d
SSDEEP

192:Ek569SxsQ0Cmp27Z+E5s1pJOUqRVARLks8GQwrgAh:Z69Ms5mZ+EOzJO7RWZQwrgC

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Rbt.xll

Files

Rbt.xll
.xll windows:4 windows x64

fd410436ce0407a0a8f79bfce8af0bc3

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_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
IMAGE_FILE_DLL

Imports

kernel32

DeleteCriticalSection
EnterCriticalSection
GetLastError
InitializeCriticalSection
LeaveCriticalSection
Sleep
TlsGetValue
VirtualProtect
VirtualQuery
WinExec

msvcrt

__iob_func
_amsg_exit
_initterm
_lock
_unlock
abort
calloc
free
fwrite
realloc
strlen
strncmp
vfprintf

user32

MessageBoxA

Exports

Exports

hash
reverseString
xlAutoOpen

Sections

.text
Size: 5KB - Virtual size: 5KB

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: 688B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 512B - Virtual size: 468B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 512B - Virtual size: 312B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 224B

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.edata
Size: 512B - Virtual size: 107B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 1024B - Virtual size: 980B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 88B

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

.reloc
Size: 512B - Virtual size: 88B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fd410436ce0407a0a8f79bfce8af0bc3

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

user32

Exports

Exports

Sections

.text Size: 5KB - Virtual size: 5KB

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

.rdata Size: 1024B - Virtual size: 688B

.pdata Size: 512B - Virtual size: 468B

.xdata Size: 512B - Virtual size: 312B

.bss Size: - Virtual size: 224B

.edata Size: 512B - Virtual size: 107B

.idata Size: 1024B - Virtual size: 980B

.CRT Size: 512B - Virtual size: 88B

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

.reloc Size: 512B - Virtual size: 88B

.text
Size: 5KB - Virtual size: 5KB

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

.rdata
Size: 1024B - Virtual size: 688B

.pdata
Size: 512B - Virtual size: 468B

.xdata
Size: 512B - Virtual size: 312B

.bss
Size: - Virtual size: 224B

.edata
Size: 512B - Virtual size: 107B

.idata
Size: 1024B - Virtual size: 980B

.CRT
Size: 512B - Virtual size: 88B

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

.reloc
Size: 512B - Virtual size: 88B