airflow[.]dll | Triage

Sharing

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General

Target

airflow.dll
Size

5.5MB
MD5

b54116ba8fef3945f3651fdab836150b
SHA1

1bda3ce9d7d58b1f7afede1732e1584ef7957b63
SHA256

348ff187ec05ed6562aed5c290eefeb234b42486916987621e596ebc242a1e1e
SHA512

011033c3b11611ac830e0f65def04fd8a50e7b33c726f561a9deb769ad30bc9ad0ceb59428e8a2c38bc0deaa4ef91b3ae7966876b785076374a2955dd7109696
SSDEEP

98304:irSdzrbs7HlhqWdPmqXI0sSBiMFmUNuHLPeNbDctN7:hdzro7FRd/ITSFU3

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
airflow.dll

Files

airflow.dll
.dll windows x86

873f79e09f3a18ec4ced24af2b4c9997

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

SizeofResource
SetConsoleTitleA
GetCurrentProcess
VirtualAlloc
FindResourceA
GetModuleHandleA
LoadLibraryA
LockResource
CreateThread
LoadResource
AddVectoredExceptionHandler
Beep
GetProcAddress
AllocConsole
VirtualFree
VirtualQuery
HeapCreate
VirtualProtect
HeapFree
Thread32Next
Thread32First
GetCurrentThreadId
SuspendThread
ResumeThread
CreateToolhelp32Snapshot
Sleep
HeapReAlloc
CloseHandle
HeapAlloc
GetThreadContext
GetCurrentProcessId
GetModuleHandleW
FlushInstructionCache
SetThreadContext
OpenThread
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
CreateEventW
IsProcessorFeaturePresent
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsDebuggerPresent
QueryPerformanceCounter
GetSystemTimeAsFileTime
InitializeSListHead

user32

MessageBoxA
FindWindowW

shell32

ShellExecuteA

msvcp140

?_Decref@facet@locale@std@@UAEPAV_Facet_base@3@XZ
?_Incref@facet@locale@std@@UAEXXZ
??1facet@locale@std@@MAE@XZ
?_Gettrue@_Locinfo@std@@QBEPBDXZ
?_Getfalse@_Locinfo@std@@QBEPBDXZ
?_Getlconv@_Locinfo@std@@QBEPBUlconv@@XZ
?_Getcvt@_Locinfo@std@@QBE?AU_Cvtvec@@XZ
??1_Locinfo@std@@QAE@XZ
??0_Locinfo@std@@QAE@PBD@Z
??0facet@locale@std@@IAE@I@Z
??1_Lockit@std@@QAE@XZ
??0_Lockit@std@@QAE@H@Z
?_Getgloballocale@locale@std@@CAPAV_Locimp@12@XZ
?_Init@locale@std@@CAPAV_Locimp@12@_N@Z
?_Xbad_alloc@std@@YAXXZ
?_Xout_of_range@std@@YAXPBD@Z
?id@?$numpunct@D@std@@2V0locale@2@A
?_Xlength_error@std@@YAXPBD@Z
??Bid@locale@std@@QAEIXZ

dbghelp

SymFromAddr

vcruntime140

__std_type_info_destroy_list
memcpy
memmove
_CxxThrowException
_except_handler4_common
__CxxFrameHandler3
memchr
memset
__std_exception_destroy
__std_exception_copy
__current_exception_context
__current_exception
__std_terminate

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

free
malloc
calloc
_callnewh

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

toupper

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

freopen_s
__stdio_common_vfprintf
__acrt_iob_func

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

_dsign
_ldsign
_ldclass
_fdclass
_dclass
_fdsign

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

_initialize_onexit_table
_invalid_parameter_noinfo_noreturn
terminate
_initterm_e
_initterm
_cexit
_crt_atexit
_execute_onexit_table
_register_onexit_function
_configure_narrow_argv
_initialize_narrow_environment
_seh_filter_dll

Sections

.text
Size: 101KB - Virtual size: 100KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 142KB - Virtual size: 142KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 5.2MB - Virtual size: 5.2MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

873f79e09f3a18ec4ced24af2b4c9997

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

shell32

msvcp140

dbghelp

vcruntime140

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

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

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

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

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

Sections

.text Size: 101KB - Virtual size: 100KB

.rdata Size: 142KB - Virtual size: 142KB

.data Size: 1KB - Virtual size: 2KB

.rsrc Size: 5.2MB - Virtual size: 5.2MB

.reloc Size: 6KB - Virtual size: 6KB

.text
Size: 101KB - Virtual size: 100KB

.rdata
Size: 142KB - Virtual size: 142KB

.data
Size: 1KB - Virtual size: 2KB

.rsrc
Size: 5.2MB - Virtual size: 5.2MB

.reloc
Size: 6KB - Virtual size: 6KB