szFile
Static task
static1
Behavioral task
behavioral1
Sample
FlashUtil.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
FlashUtil.exe
Resource
win10v2004-20240508-en
General
-
Target
714d3028af69a11317230359425c9554_JaffaCakes118
-
Size
18KB
-
MD5
714d3028af69a11317230359425c9554
-
SHA1
4444df5041f8b1e02eceb5a49cadd043e7de13f4
-
SHA256
6389414138fff4df9061d08810095aa9476a1ebcc619a0420720006377c1f2e5
-
SHA512
32f47d98e0b611ef7e2c6eb4dba60554676a3723b1ac508d84da058f119d0073723f0940ce1a03be4b06ee4a3ee0f4b410e426a045cc31b1b6b0075a20aa76d8
-
SSDEEP
384:Uw+97Gh/H/o5tyL7cc9ROaGZCRzwLZ0CeuM5RsMlL8itWIdMUXj41Z+I9Sd5l:27I/Q5tvcDIAWCCe3RsQtWqA+I9o
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/FlashUtil.exe
Files
-
714d3028af69a11317230359425c9554_JaffaCakes118.zip
Password: infected
-
FlashUtil.exe.exe windows:4 windows x86 arch:x86
59fcf8e5b9f472815ad488343099f36b
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
Imports
kernel32
EnterCriticalSection
VirtualProtect
InitializeCriticalSection
GetModuleHandleA
HeapAlloc
GetProcessHeap
TerminateProcess
VirtualAllocEx
HeapFree
VirtualAlloc
lstrlenA
GetLastError
lstrcpyA
OutputDebugStringA
GetTempPathA
CloseHandle
WriteFile
SetFilePointer
ExitProcess
ReadFile
GetFileSize
CreateFileA
CopyFileA
GetModuleFileNameA
lstrcatA
GetProcAddress
WritePrivateProfileStringA
LeaveCriticalSection
user32
MessageBoxA
advapi32
CryptGenRandom
CryptAcquireContextA
CryptReleaseContext
Exports
Exports
Sections
.text Size: 22KB - Virtual size: 22KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 931B
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