Behavioral task
behavioral1
Sample
BtSkb.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
BtSkb.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
新云软件.url
Resource
win7-20240611-en
Behavioral task
behavioral4
Sample
新云软件.url
Resource
win10v2004-20240611-en
General
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Target
016e0552a6b238caefa3d57e53a12540_JaffaCakes118
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Size
604KB
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MD5
016e0552a6b238caefa3d57e53a12540
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SHA1
55934b692ab616804d166ae96c9e063acc454655
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SHA256
c3061f2e1140a9a655ca33d4192664e3d046ac1f60c553c2949bd6c251e68754
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SHA512
bcc2b535aae57540b4cb3e278e9b52a6bebacfb116a37a1fa1c46e5fc4cab82627a389a375377ac801935c15ee888a41d30aa2cca64f218b306471cd4dcbb564
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SSDEEP
12288:u6eacv1I87nPnEhxeSTZDeXBlg6+fiwOxJQkGf3d+w:ujtIInPWTAXT5fwOrDy3dR
Malware Config
Signatures
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resource yara_rule static1/unpack001/BtSkb.exe aspack_v212_v242 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/BtSkb.exe
Files
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016e0552a6b238caefa3d57e53a12540_JaffaCakes118.rar
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BtSkb.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: 245KB - Virtual size: 596KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
DATA Size: 3KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 4KB
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: 40KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 348KB - Virtual size: 1.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.aspack Size: 14KB - Virtual size: 16KB
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