Behavioral task
behavioral1
Sample
BestFMS_13819.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
BestFMS_13819.exe
Resource
win10v2004-20230220-en
General
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Target
BestFMS_13819.exe
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Size
7.0MB
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MD5
2e0df1f43ad97b03772587f803fe65cf
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SHA1
b4ad453865f362cdff3833a1a188c2de4e3025d5
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SHA256
0737a1f9a3a049f4bda7694ab63b301cd53cd3967ce5a55d4094582e701c4390
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SHA512
448f5880fea7235a41e30dc4550ac9f4a40e3fa1926672c2cc047761d94277a9396eae6591484e73d6d49fb927754c76ecf1199cc2b8ee12a89dd2d7836e1057
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SSDEEP
196608:B1BTxuBIkFvS47vNdFSD96NRZFuwPQ7hVi:DQIw37HsExFZI1Vi
Malware Config
Signatures
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Processes:
resource yara_rule sample aspack_v212_v242 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource BestFMS_13819.exe
Files
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BestFMS_13819.exe.exe windows x86
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
.text Size: 5.1MB - Virtual size: 17.9MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.itext Size: 36KB - Virtual size: 108KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 142KB - Virtual size: 272KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.bss Size: - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 6KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: - Virtual size: 1.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1.7MB - Virtual size: 18.3MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.aspack Size: 33KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE