Behavioral task
behavioral1
Sample
WBCheck/WBCheck.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
WBCheck/WBCheck.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
WBCheck/bmdb.dll
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
WBCheck/bmdb.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
WBCheck/新云软件.url
Resource
win7-20240708-en
Behavioral task
behavioral6
Sample
WBCheck/新云软件.url
Resource
win10v2004-20240802-en
General
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Target
94a9159547bf1ed2c7ec2004a2f3d0f9_JaffaCakes118
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Size
1.1MB
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MD5
94a9159547bf1ed2c7ec2004a2f3d0f9
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SHA1
2548184d8f2862e6341ce936ef587bce0c5c47f1
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SHA256
f603dffd2e5b11301968ce2d6267ddd2bcd0e01b44a9597736380f98153679b7
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SHA512
23e32b6fb0e40c705889bc73a56da774f14da5f73d22d61c9df2905da22de4abbe36e0ce6938cd092fcfc35f4696ca9b02f7ce886c87221d694485e0f1e1c745
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SSDEEP
24576:U9ytjryCXcFkocDsNqnsqGpQXhbrzMeUyiWzQOXmeA4yC:U8VzcFk2NC3GCRzS6ZJA/C
Malware Config
Signatures
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resource yara_rule static1/unpack001/WBCheck/WBCheck.exe aspack_v212_v242 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/WBCheck/WBCheck.exe
Files
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94a9159547bf1ed2c7ec2004a2f3d0f9_JaffaCakes118.rar
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WBCheck/WBCheck.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: 514KB - Virtual size: 1.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
DATA Size: 30KB - Virtual size: 68KB
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: 96KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 44KB - Virtual size: 192KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.aspack Size: 30KB - Virtual size: 32KB
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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WBCheck/bmdb.dll
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WBCheck/新云软件.url.url