Static task
static1
Behavioral task
behavioral1
Sample
Identitiesx5991793179/launcher.bat
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
Identitiesx5991793179/launcher.bat
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
Identitiesx5991793179/sendmailb2b.exe
Resource
win7-20240903-en
General
-
Target
JaffaCakes118_31bc7ea777e69ca2e8f882ae8d262f0ba5c3d34b654433c987e5a2b7e7452eb3
-
Size
358KB
-
MD5
ee48a1878842a8b2bef1295a4f940595
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SHA1
6d4b9479347126b22c20407c1d75f40b422b89ce
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SHA256
31bc7ea777e69ca2e8f882ae8d262f0ba5c3d34b654433c987e5a2b7e7452eb3
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SHA512
11e74d888aa53e1030c783c5f8b6de00391e9fd466d74e359a03de8d00bd27ef51d034bec17cbdaafaed063dcb43e895525aacb2ca7985a20b60521006e4f7e7
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SSDEEP
6144:6o+RiqeCLcWyQlRWJ4ltr9xWqXIcsyKGx5V+ryt8FehFxjMEHV+soAfKTFDW4VK3:6RRxlRWJ4r9ZXmjCTt869nch6sK3
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Identitiesx5991793179/sendmailb2b.exe
Files
-
JaffaCakes118_31bc7ea777e69ca2e8f882ae8d262f0ba5c3d34b654433c987e5a2b7e7452eb3.zip
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Identitiesx5991793179/launcher.bat
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Identitiesx5991793179/pkcs11.txt
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Identitiesx5991793179/sendmailb2b.exe.exe windows:4 windows x86 arch:x86
4fec88ffe2d2004393f32b18d8c90678
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
oleaut32
SysAllocStringLen
SysStringLen
kernel32
GetProcAddress
VirtualAlloc
VirtualProtect
WideCharToMultiByte
msvbvm60
__vbaVarSub
__vbaStrI2
_CIcos
_adj_fptan
__vbaVarMove
__vbaStrI4
__vbaVarVargNofree
__vbaAryMove
__vbaFreeVar
ord588
__vbaStrVarMove
__vbaLenBstr
__vbaFreeVarList
_adj_fdiv_m64
__vbaRaiseEvent
__vbaFreeObjList
ord516
ord517
_adj_fprem1
ord519
__vbaStrCat
__vbaSetSystemError
__vbaHresultCheckObj
__vbaLenVar
_adj_fdiv_m32
__vbaAryVar
__vbaAryDestruct
__vbaVarForInit
__vbaExitProc
__vbaStrLike
ord595
__vbaOnError
__vbaObjSet
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord598
__vbaFpR4
ord599
__vbaBoolVar
__vbaFpR8
__vbaVarTstLt
__vbaRefVarAry
_CIsin
ord631
__vbaErase
ord709
ord525
ord632
__vbaChkstk
EVENT_SINK_AddRef
ord527
__vbaGenerateBoundsError
__vbaStrCmp
__vbaAryConstruct2
__vbaVarTstEq
ord561
__vbaObjVar
__vbaI2I4
DllFunctionCall
__vbaVarLateMemSt
__vbaCastObjVar
_adj_fpatan
__vbaR4Var
__vbaLateIdCallLd
__vbaRedim
EVENT_SINK_Release
__vbaUI1I2
_CIsqrt
__vbaObjIs
EVENT_SINK_QueryInterface
__vbaUI1I4
__vbaExceptHandler
ord711
__vbaStrToUnicode
_adj_fprem
_adj_fdivr_m64
ord608
ord531
__vbaFPException
__vbaInStrVar
__vbaUbound
__vbaStrVarVal
__vbaVarCat
ord535
__vbaI2Var
ord537
ord644
_CIlog
__vbaErrorOverflow
__vbaInStr
__vbaR8Str
__vbaVar2Vec
__vbaNew2
__vbaVarLateMemCallLdRf
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
ord681
__vbaI4Str
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord685
ord100
ord579
__vbaI4Var
__vbaVarAdd
__vbaAryLock
__vbaLateMemCall
__vbaVarDup
__vbaStrToAnsi
__vbaFpI2
__vbaCheckTypeVar
__vbaVarCopy
__vbaVarTstGe
__vbaFpI4
ord616
__vbaVarLateMemCallLd
__vbaLateMemCallLd
ord617
_CIatan
__vbaAryCopy
ord618
__vbaStrMove
__vbaCastObj
ord619
_allmul
__vbaLateIdSt
_CItan
__vbaAryUnlock
__vbaUI1Var
__vbaVarForNext
_CIexp
__vbaFreeStr
__vbaFreeObj
Sections
.text Size: 336KB - Virtual size: 334KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 320KB - Virtual size: 318KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ