Behavioral task
behavioral1
Sample
ChangerSteamByOstrog.dll
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
ChangerSteamByOstrog.dll
Resource
win10v2004-20220812-en
General
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Target
ChangerSteamByOstrog.asi
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Size
14KB
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MD5
d70a1f76186f5171fc9eb0c564aca078
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SHA1
2347eb13fac9b3ab09cfe32e09497a3feccc2d28
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SHA256
4b884c00d62b78b60eec7e99e98a4283504838c8bc83c5ef54186afd8374674f
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SHA512
9bd280e9a37e0177463738e2e447043a20e24a22c8c4dd5bc83c22f53c31d29a3feafd10a808a97383704c618d7224c6bb6e52f60600db4c265b7f97a42bf10a
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SSDEEP
384:3Wy69QW0gvujMnlrWroaNJawcudoD7Uy:3bWHuOZQnbcuyD7U
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule sample acprotect -
resource yara_rule sample upx
Files
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ChangerSteamByOstrog.asi.dll 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
UPX0 Size: - Virtual size: 48KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE