chroma[.]zip | Triage

Sharing

Copy URL Twitter E-mail

General

Target

chroma.zip
Size

3.8MB
MD5

48f66daee2e931e655132512dd7eae60
SHA1

2a2693ca2f9d5bdd46a21ddb72c151c223c1a4ed
SHA256

e443e695423fa28503d60660d54caea57a8bae596758069da9df0820f1772a5d
SHA512

648e9d806b6eff15bbf7dfd29c182c84cde17a3715ad262f33dd4f33782b07eac00c60e99e53d2ebacb71dd345dd7d5c783ef9efb48729fb899d4166a2240788
SSDEEP

98304:JuEnr/7/ph3OQJgDwHGCcnarDkUMnKEyYGaYwR5QkRiDFtqx:Ju0iQJWwRUaHkByd04SiDOx

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/chroma.exe

Files

chroma.zip
.zip
chroma.exe
.exe windows:6 windows x64

f0ea7b7844bbc5bfa9bb32efdcea957c

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

WriteFile
WriteConsoleW
WaitForMultipleObjects
WaitForSingleObject
VirtualQuery
VirtualFree
VirtualAlloc
TlsAlloc
SwitchToThread
SuspendThread
SetWaitableTimer
SetUnhandledExceptionFilter
SetProcessPriorityBoost
SetEvent
SetErrorMode
SetConsoleCtrlHandler
ResumeThread
PostQueuedCompletionStatus
LoadLibraryA
LoadLibraryW
SetThreadContext
GetThreadContext
GetSystemInfo
GetSystemDirectoryA
GetStdHandle
GetQueuedCompletionStatusEx
GetProcessAffinityMask
GetProcAddress
GetEnvironmentStringsW
GetConsoleMode
FreeEnvironmentStringsW
ExitProcess
DuplicateHandle
CreateWaitableTimerExW
CreateThread
CreateIoCompletionPort
CreateFileA
CreateEventA
CloseHandle
AddVectoredExceptionHandler

Sections

.text
Size: 3.7MB - Virtual size: 3.7MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 4.6MB - Virtual size: 4.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 666KB - Virtual size: 1.0MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 95KB - Virtual size: 94KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.symtab
Size: 512B - Virtual size: 4B

IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

.rsrc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

f0ea7b7844bbc5bfa9bb32efdcea957c

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

Sections

.text Size: 3.7MB - Virtual size: 3.7MB

.rdata Size: 4.6MB - Virtual size: 4.6MB

.data Size: 666KB - Virtual size: 1.0MB

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

.reloc Size: 95KB - Virtual size: 94KB

.symtab Size: 512B - Virtual size: 4B

.rsrc Size: 4KB - Virtual size: 3KB

.text
Size: 3.7MB - Virtual size: 3.7MB

.rdata
Size: 4.6MB - Virtual size: 4.6MB

.data
Size: 666KB - Virtual size: 1.0MB

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

.reloc
Size: 95KB - Virtual size: 94KB

.symtab
Size: 512B - Virtual size: 4B

.rsrc
Size: 4KB - Virtual size: 3KB