Behavioral task
behavioral1
Sample
UPX Shell/UPXShell.chm
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
UPX Shell/UPXShell.chm
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
UPX Shell/UPXShell.exe
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
UPX Shell/UPXShell.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
UPX Shell/uninst.exe
Resource
win7-20240708-en
General
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Target
db8891ddaa80bc4079c43712ae0309a2_JaffaCakes118
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Size
850KB
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MD5
db8891ddaa80bc4079c43712ae0309a2
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SHA1
f764ffa6f0cd7180e5df418c579b64991199732b
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SHA256
5621018c4d97b6916b6559e3565d6c5f9097c20e57c2662f417b68bf31251b71
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SHA512
684f195da26083ff4e31d20cbc8d5005715ef675c3deb8826f9e59402b39fa311f951a99f6724e91a92f7125f38d2952e4499748bbd0cd79fbbfe9c07993144e
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SSDEEP
24576:pLsPKqWCxY5pX6OqEM3dD1T1bJ43qj/pIwevYJpwsb:pnqRG66CjT2q6Tv+pwsb
Malware Config
Signatures
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resource yara_rule static1/unpack001/UPX Shell/UPXShell.exe upx static1/unpack001/UPX Shell/uninst.exe upx -
Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/UPX Shell/UPXShell.exe unpack001/UPX Shell/uninst.exe unpack003/out.upx -
NSIS installer 1 IoCs
resource yara_rule static1/unpack003/out.upx nsis_installer_2
Files
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db8891ddaa80bc4079c43712ae0309a2_JaffaCakes118.rar
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UPX Shell/Language/简体中文.lng
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UPX Shell/UPXShell.chm.chm
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UPX Shell/UPXShell.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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 524KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 809KB - Virtual size: 812KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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UPX Shell/uninst.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: 176KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 17KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 3KB - Virtual size: 4KB
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: 22KB - Virtual size: 22KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 107KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ndata Size: - Virtual size: 44KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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UPX Shell/汉化说明.txt