Behavioral task
behavioral1
Sample
1180-58-0x0000000000400000-0x0000000000421000-memory.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
1180-58-0x0000000000400000-0x0000000000421000-memory.exe
Resource
win10v2004-20230220-en
General
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Target
1180-58-0x0000000000400000-0x0000000000421000-memory.dmp
-
Size
132KB
-
MD5
d0638bef0497793e70152a8a331e507d
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SHA1
8c85b331ae199dc779ab0ee67dfa4573088a24b0
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SHA256
32a4fdff92977f44145ef9a521d6eccdf1eb01ba3db83314fc97cc61fe90d0fd
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SHA512
b91cb5a14fe2a0dbcef8fc4254dc4eb2f4e3c7364e840c105280a75548d83683e420073ca5958e71743a8a76ac14cb0f0a8f2cc52e9176daf40e457465477c5d
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SSDEEP
1536:b/Zws3kTnvzbhNBPmxue2SRQg0dkEwiqoVioi6VUcUU1jx9c:rZTkLfhjFSiO3ocKMU1jj
Malware Config
Extracted
blustealer
https://api.telegram.org/bot6055609563:AAEfBlANuysNS3Feagncr0tioVRR2TOueCY/sendMessage?chat_id=6188873948
Signatures
-
Blustealer family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 1180-58-0x0000000000400000-0x0000000000421000-memory.dmp
Files
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1180-58-0x0000000000400000-0x0000000000421000-memory.dmp.exe windows x86
4f7271df0bf201cf627af3103fba2c2e
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
__vbaLenBstr
__vbaStrVarMove
__vbaEnd
__vbaFreeVarList
_adj_fdiv_m64
__vbaFreeObjList
ord516
_adj_fprem1
__vbaStrCat
__vbaRecDestruct
__vbaSetSystemError
__vbaLenBstrB
__vbaHresultCheckObj
_adj_fdiv_m32
ord666
ord667
__vbaAryDestruct
ord593
__vbaExitProc
__vbaForEachCollObj
ord594
__vbaOnError
__vbaObjSet
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
_CIsin
__vbaErase
ord709
ord631
ord632
ord525
__vbaNextEachCollObj
__vbaVarZero
__vbaChkstk
__vbaFileClose
EVENT_SINK_AddRef
__vbaGenerateBoundsError
__vbaStrCmp
ord529
__vbaAryConstruct2
__vbaI2I4
__vbaObjVar
DllFunctionCall
__vbaFpUI1
__vbaLbound
__vbaRedimPreserve
_adj_fpatan
__vbaRedim
EVENT_SINK_Release
__vbaNew
__vbaUI1I2
_CIsqrt
EVENT_SINK_QueryInterface
__vbaStr2Vec
__vbaUI1I4
__vbaStrUI1
__vbaExceptHandler
__vbaPrintFile
__vbaStrToUnicode
ord712
ord606
_adj_fprem
_adj_fdivr_m64
ord607
ord608
ord716
__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
__vbaAryLock
__vbaVarAdd
__vbaLateMemCall
__vbaStrToAnsi
__vbaVarDup
__vbaVarCopy
ord616
__vbaFpI4
__vbaVarLateMemCallLd
__vbaLateMemCallLd
_CIatan
ord618
__vbaAryCopy
__vbaStrMove
__vbaCastObj
__vbaR8IntI4
__vbaStrVarCopy
_allmul
_CItan
__vbaAryUnlock
_CIexp
ord580
__vbaI4ErrVar
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 120KB - Virtual size: 119KB
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