Static task
static1
Behavioral task
behavioral1
Sample
yh-15.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
yh-15.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
yhws-15.exe
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
yhws-15.exe
Resource
win10v2004-20240508-en
General
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Target
9198fc280013475e64c198f0b2551766_JaffaCakes118
-
Size
70KB
-
MD5
9198fc280013475e64c198f0b2551766
-
SHA1
59c34df6b2834cf7a2907e949f7fcf71302a6857
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SHA256
cd55869022869fa0846705c6f864972a637c9a55a3985b24fd455fab02769b36
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SHA512
fc8cdf236ec1a7aea68e8efb514fdc14bd605fdc1bdb22994c5507669cd8bff60fa8308d0193756e4d300610fd7503f14ebe1ef52f613f45be7c041e8730ca9f
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SSDEEP
1536:X4n+JP4P22yfD8OXTYdKvoZFBOAhVMV6e0Oo/K9x20jisRPCPAJMo1YXu:X4eq2d4d/Zbi4Gx20ji1j8su
Malware Config
Signatures
-
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/yh-15.exe unpack001/yhws-15.exe
Files
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9198fc280013475e64c198f0b2551766_JaffaCakes118.rar
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yh-15.exe.exe windows:4 windows x86 arch:x86
343b3e25e7d06cc939e57e161c2f6a9a
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
GetModuleHandleA
WriteFile
SetFilePointer
CreateFileA
LoadResource
SizeofResource
FindResourceA
CloseHandle
ExitProcess
GetStartupInfoA
user32
EndDialog
DialogBoxParamA
GetDlgItemTextA
comdlg32
GetSaveFileNameA
msvcp60
?_Xlen@std@@YAXXZ
?assign@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@ABV12@II@Z
?npos@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@2IB
?_Xran@std@@YAXXZ
??1?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@XZ
??9std@@YA_NABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@0@PBD@Z
?_Tidy@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEX_N@Z
?_C@?1??_Nullstr@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@CAPBDXZ@4DB
?erase@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@II@Z
?_Eos@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEXI@Z
?_Grow@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAE_NI_N@Z
?_Split@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AAEXXZ
wininet
HttpOpenRequestA
InternetCloseHandle
InternetReadFile
InternetConnectA
InternetOpenA
HttpSendRequestA
InternetSetOptionA
msvcrt
_except_handler3
_controlfp
__set_app_type
__p__fmode
__p__commode
_itoa
_adjust_fdiv
__setusermatherr
_initterm
__getmainargs
_acmdln
exit
memmove
__CxxFrameHandler
strstr
atoi
free
__dllonexit
_onexit
_exit
_XcptFilter
Sections
.text Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 52KB - Virtual size: 50KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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yhws-15.exe.exe windows:4 windows x86 arch:x86
d961cb5d21460427b385325e92ad126b
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
IMAGE_FILE_DEBUG_STRIPPED
Imports
comdlg32
GetSaveFileNameA
kernel32
AddAtomA
CloseHandle
CreateFileA
DeleteFileA
ExitProcess
FindAtomA
FindResourceA
GetAtomNameA
GetModuleHandleA
GetPrivateProfileStringA
LoadResource
LockResource
SetFilePointer
SetUnhandledExceptionFilter
SizeofResource
WideCharToMultiByte
WriteFile
WritePrivateProfileStringA
lstrlenW
msvcrt
__getmainargs
__p__environ
__p__fmode
__set_app_type
_assert
_cexit
_controlfp
_fileno
_fmode
_fpreset
_iob
_onexit
_setmode
abort
atexit
exit
fprintf
free
localtime
malloc
memmove
memset
realloc
signal
strlen
time
user32
CallNextHookEx
DialogBoxParamA
EndDialog
GetClientRect
GetDlgItem
GetWindowTextA
LoadIconA
SendMessageA
SetWindowTextA
SetWindowsHookExA
UnhookWindowsHookEx
Sections
.text Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 320B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 304B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 21KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 48KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE