Behavioral task
behavioral1
Sample
opr01FDS.exe
Resource
win7-20240704-en
General
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Target
2d3cabd9b520391d00eb028e429c62fb_JaffaCakes118
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Size
69KB
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MD5
2d3cabd9b520391d00eb028e429c62fb
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SHA1
77bae7f98d8beeb861ff837a7e5f84f253beb0d5
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SHA256
668b50dbddde5cf3b3e1fea5cdaf33ffc37b1388bed5ee7c796aff7f4bdc95b3
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SHA512
d9627c75764e5ec493a15a00a110425dee114280b72d48a0d4b43a7b1eb865e2777f78f2c6b560320642f41fd8f7a846ffc42b0ba055725aa1cc9cfa3e83f514
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SSDEEP
1536:fUDSMdFd9m2L5TWOlQm9vuVzsZlt3xyA1:fUJRk2NyOym9vuGt8w
Malware Config
Signatures
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resource yara_rule static1/unpack001/opr01FDS.tmp upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/opr01FDS.tmp unpack002/out.upx
Files
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2d3cabd9b520391d00eb028e429c62fb_JaffaCakes118.rar
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lsaso.exe{EECB7F79-4A96-478C-8687-AF610402FDB9}.sfe
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opr01FDS.tmp.exe windows:4 windows x86 arch:x86
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
Sections
UPX0 Size: - Virtual size: 128KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 50KB - Virtual size: 52KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 16KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86 arch:x86
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
Sections
.text Size: 144KB - Virtual size: 140KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 16KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ