Static task
static1
Behavioral task
behavioral1
Sample
B4S_CRM_010622_OLT.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
B4S_CRM_010622_OLT.exe
Resource
win10v2004-20240226-en
General
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Target
B4S_CRM_010622_OLT.exe
-
Size
2.0MB
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MD5
d9a2518cb5ab473e369bc82c3d5294ad
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SHA1
e1026c12390241ecd71646608b664feeb873e0ef
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SHA256
75a70d0d9bcd8ed0a2b53170ef54766942764c1ca826bdd4c3245ab4664a4073
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SHA512
1d43195f8a75acc683a8b43a0b805dfce5508bcc2b94cf3bfeb6f7e42ee88ad8b0f1eacf32ff3039a47b8b3fa3482fea8d2161c581c9f9f3c811167a9cee283b
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SSDEEP
24576:pE8Ozdj38HdBl0dtaHdBl0dt+AQHdBl0dtyYohhPfPuKvH6On+CA5wy6KmR:oz29BKi9BKI9BKEvA5
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource B4S_CRM_010622_OLT.exe
Files
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B4S_CRM_010622_OLT.exe.exe windows:4 windows x86 arch:x86
acc309d26277fd85699872de57c86e42
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
__vbaVarSub
__vbaVarTstGt
__vbaStrI2
_CIcos
_adj_fptan
__vbaStrI4
__vbaVarMove
__vbaAryMove
__vbaFreeVar
__vbaStrVarMove
__vbaLateIdCall
__vbaLenBstr
__vbaFreeVarList
_adj_fdiv_m64
__vbaFreeObjList
ord516
_adj_fprem1
ord518
ord626
__vbaVarCmpNe
__vbaForEachCollAd
__vbaStrCat
ord660
__vbaSetSystemError
ord662
__vbaHresultCheckObj
__vbaLenVar
_adj_fdiv_m32
__vbaAryDestruct
__vbaLateMemSt
__vbaExitProc
__vbaObjSet
__vbaOnError
ord595
_adj_fdiv_m16i
ord303
__vbaObjSetAddref
_adj_fdivr_m16i
ord598
ord599
__vbaForEachCollVar
ord520
__vbaBoolVar
ord309
__vbaBoolVarNull
_CIsin
__vbaVarZero
__vbaChkstk
EVENT_SINK_AddRef
__vbaGenerateBoundsError
__vbaStrCmp
__vbaVarTstEq
ord560
__vbaDateR8
ord561
__vbaNextEachCollVar
__vbaObjVar
DllFunctionCall
__vbaVarLateMemSt
_adj_fpatan
__vbaLateIdCallLd
__vbaRedim
EVENT_SINK_Release
__vbaNew
ord600
_CIsqrt
__vbaVarAnd
__vbaLateIdCallSt
EVENT_SINK_QueryInterface
__vbaExceptHandler
ord712
_adj_fprem
_adj_fdivr_m64
__vbaLateIdStAd
ord716
__vbaFPException
__vbaInStrVar
__vbaUbound
__vbaStrVarVal
__vbaVarCat
__vbaDateVar
__vbaI2Var
ord537
_CIlog
__vbaErrorOverflow
__vbaNew2
__vbaVarLateMemCallLdRf
__vbaInStr
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaStrCopy
__vbaFreeStrList
_adj_fdivr_m32
_adj_fdiv_r
ord100
__vbaVarTstNe
__vbaI4Var
__vbaVarCmpEq
__vbaVarAdd
__vbaLateMemCall
__vbaFreeVarg
__vbaVarDup
__vbaStrToAnsi
ord613
__vbaVerifyVarObj
__vbaVarLateMemCallLd
__vbaVarCopy
__vbaLateMemCallLd
__vbaVarSetObjAddref
ord617
_CIatan
__vbaCastObj
__vbaStrMove
__vbaStrVarCopy
ord619
_allmul
__vbaLateIdSt
_CItan
__vbaNextEachCollAd
ord546
_CIexp
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 1.9MB - Virtual size: 1.9MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 52KB - Virtual size: 51KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ