Behavioral task
behavioral1
Sample
WordBrowser.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
WordBrowser.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
新云软件.url
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
新云软件.url
Resource
win10v2004-20240412-en
General
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Target
f1bdce38eab11abec85cadab77e9639a_JaffaCakes118
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Size
544KB
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MD5
f1bdce38eab11abec85cadab77e9639a
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SHA1
e12fa30aeb3062c53640286ab451065d2c33e86d
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SHA256
34732d8252232b9d68c4b9f50ba17f65face4846380a17d4720170c585b94e6b
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SHA512
65969dc9e1427f8d2b05101e55aff5b86d72dab56ab87b9efd79dd23623064b4e59c6bc0706e86a3f59a61ec88fe247ac2d5d0582b517cd82c5d50e120ef2ae8
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SSDEEP
12288:Ew8YiDtdBOIcDyyLki4vS5X5cRb2RNDA4TIs9cInf+GmSjQ0+am2:EwziTGlki47Rb2bM48sKl92
Malware Config
Signatures
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resource yara_rule static1/unpack001/WordBrowser.exe aspack_v212_v242 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/WordBrowser.exe
Files
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f1bdce38eab11abec85cadab77e9639a_JaffaCakes118.rar
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WordBrowser.exe.exe windows:4 windows x86 arch: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
CODE Size: 420KB - Virtual size: 1.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
DATA Size: 6KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 4KB - Virtual size: 12KB
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: 80KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 71KB - Virtual size: 476KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.aspack Size: 155KB - Virtual size: 156KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.adata Size: - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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新云软件.url.url