Behavioral task
behavioral1
Sample
2552-163-0x0000000000400000-0x0000000000472000-memory.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2552-163-0x0000000000400000-0x0000000000472000-memory.exe
Resource
win10v2004-20240226-en
General
-
Target
2552-163-0x0000000000400000-0x0000000000472000-memory.dmp
-
Size
456KB
-
MD5
8f7226104c4d7d8f2370189621507367
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SHA1
dedb13ae4dec7788290a73162d7e63ef1e5cc7da
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SHA256
7123566d71d2fd588fa4a408a7ef476b409d0e74929601c636f1fbc5b5854135
-
SHA512
9c819032d82e7c177be018a5eb2de7cd968fbc256577562f6523fdc07a546c35a0f415a4ab09b3266f1a47766ab1fc26a547f9679487eef853f52fd8ec1d6644
-
SSDEEP
12288:TWnxfgsRL4u/1AlLK6FRY2n8OPKxGvYmBC:0xgsRftD0C2nKGs
Malware Config
Extracted
blustealer
https://api.telegram.org/bot5813496253:AAF4hamIx4-mNmFF1DwsqdJ4F9vUBmFqLo/sendMessage?chat_id=1105271645
Signatures
-
Blustealer family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2552-163-0x0000000000400000-0x0000000000472000-memory.dmp
Files
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2552-163-0x0000000000400000-0x0000000000472000-memory.dmp.exe windows:4 windows x86 arch:x86
ad800f126b9119e85b22d5a725a65e11
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
msvbvm60
_CIcos
_adj_fptan
__vbaVarMove
__vbaVarVargNofree
__vbaFreeVar
__vbaAryMove
__vbaStrVarMove
__vbaLenBstr
__vbaEnd
__vbaFreeVarList
_adj_fdiv_m64
__vbaFreeObjList
ord516
_adj_fprem1
__vbaRecAnsiToUni
__vbaStrCat
ord660
__vbaSetSystemError
__vbaRecDestruct
__vbaLenBstrB
__vbaHresultCheckObj
_adj_fdiv_m32
ord666
ord667
__vbaAryDestruct
__vbaLateMemSt
ord593
__vbaExitProc
__vbaForEachCollObj
ord594
__vbaOnError
__vbaObjSet
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
__vbaBoolVar
__vbaBoolVarNull
_CIsin
ord709
ord631
ord632
ord525
__vbaNextEachCollObj
__vbaVarZero
__vbaChkstk
__vbaFileClose
EVENT_SINK_AddRef
__vbaGenerateBoundsError
__vbaStrCmp
ord529
__vbaVarTstEq
__vbaAryConstruct2
__vbaI2I4
__vbaObjVar
DllFunctionCall
__vbaVarLateMemSt
__vbaFpUI1
__vbaLbound
__vbaRedimPreserve
_adj_fpatan
__vbaRedim
__vbaRecUniToAnsi
EVENT_SINK_Release
__vbaNew
__vbaUI1I2
_CIsqrt
EVENT_SINK_QueryInterface
__vbaStr2Vec
__vbaUI1I4
__vbaExceptHandler
__vbaPrintFile
__vbaStrToUnicode
ord712
ord606
_adj_fprem
_adj_fdivr_m64
ord607
ord608
ord716
ord531
__vbaFPException
ord532
ord717
__vbaStrVarVal
__vbaUbound
__vbaGetOwner3
__vbaVarCat
ord537
ord644
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
__vbaVarLateMemCallLdRf
__vbaNew2
__vbaInStr
ord648
ord570
__vbaVar2Vec
_adj_fdiv_m32i
_adj_fdivr_m32i
ord573
__vbaStrCopy
__vbaFreeStrList
__vbaDerefAry1
_adj_fdivr_m32
__vbaPowerR8
_adj_fdiv_r
ord685
ord100
ord579
__vbaVarSetVar
__vbaAryLock
__vbaLateMemCall
__vbaVarAdd
__vbaStrToAnsi
__vbaVarDup
__vbaVarCopy
ord616
__vbaFpI4
__vbaVarLateMemCallLd
__vbaRecDestructAnsi
__vbaLateMemCallLd
_CIatan
ord618
__vbaStrMove
__vbaCastObj
__vbaR8IntI4
__vbaStrVarCopy
ord619
_allmul
_CItan
ord546
__vbaAryUnlock
_CIexp
ord580
__vbaI4ErrVar
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 444KB - Virtual size: 442KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ