Static task
static1
Behavioral task
behavioral1
Sample
COST03.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
COST03.exe
Resource
win10v2004-20230703-en
General
-
Target
COST03.exe
-
Size
248KB
-
MD5
9aa09c15903cd34eb8c41bc0ba08aa81
-
SHA1
4e3f33b309e6834520401a1863d94192da43aeab
-
SHA256
35506e90c138d9140de68569930d8cabedc3d1a818b946f3e3e50e6e5d7032c1
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SHA512
56dc505b7ea8081eac6b4c72e3d35b0bb193faea982f09dae85e1f6d4be7e260c2384d645dfc0c28d699c9750c54d0dade0543cee2a359cc9f4594b1dd93c7fc
-
SSDEEP
6144:GcJTl6SYeBtJ/jxDyqE172uYaqffV3uUZtYr1geup6MipraPs8:Gc971BtJ/jxDyqE4bZfP1
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource COST03.exe
Files
-
COST03.exe.exe windows x86
69c94712eca6fca333c1aec8553ff2d6
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
ord690
ord589
MethCallEngine
ord513
ord516
ord629
ord552
ord553
ord660
ord661
ord662
ord663
ord557
ord592
ord595
ord596
ord304
ord598
ord599
ord520
ord524
ord631
ord632
ord526
EVENT_SINK_AddRef
ord528
ord529
ord560
DllFunctionCall
ord563
ord567
EVENT_SINK_Release
ord600
ord310
EVENT_SINK_QueryInterface
__vbaExceptHandler
ord312
ord711
ord712
ord607
ord530
ord608
ord531
ord717
ord534
ProcCallEngine
ord535
ord536
ord537
ord538
ord645
ord570
ord648
ord571
ord573
ord576
ord577
ord685
ord578
ord100
ord579
ord687
ord689
ord610
ord616
ord617
ord618
ord619
ord542
ord650
ord651
ord545
ord546
ord581
Sections
.text Size: 236KB - Virtual size: 233KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ