Behavioral task
behavioral1
Sample
update.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
update.exe
Resource
win10v2004-20240426-en
General
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Target
6e0f8e8faf2744d2db045019dff4e248_JaffaCakes118
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Size
914KB
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MD5
6e0f8e8faf2744d2db045019dff4e248
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SHA1
0ebd76c9db97160383c6cbcdee561bd355f17cd0
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SHA256
3f1f11cba1ee35640a9dad1ca781098af837dd0ad30c4e6be5ad8a2528a26c4d
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SHA512
9ccb9cf93a49c1cf7d3badc122333622183986e9c2fa6b5f68ee1be3f9f060d3742f7090f2d81a9becd6c4aafb08e9656cc9b0473a4cd981ff3e3f788df79012
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SSDEEP
24576:rQeLueWPnTkh2uc4j7ntUGzTct27ULAWLt2n07AuQm:rQeLC/ghzznt1PcOw20Gm
Malware Config
Signatures
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resource yara_rule static1/unpack001/update.exe upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/update.exe
Files
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6e0f8e8faf2744d2db045019dff4e248_JaffaCakes118.zip
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update.exe.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: 1.3MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 845KB - Virtual size: 848KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 130KB - Virtual size: 132KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE