Behavioral task
behavioral1
Sample
87b57f33ff0108e6211456dd89b3ec63503022cc4ee0663d7fd2eeca7289b52e.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
87b57f33ff0108e6211456dd89b3ec63503022cc4ee0663d7fd2eeca7289b52e.exe
Resource
win10v2004-20240426-en
General
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Target
87b57f33ff0108e6211456dd89b3ec63503022cc4ee0663d7fd2eeca7289b52e
-
Size
3.2MB
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MD5
34877f921a1f72e5c5874a44f60c90ab
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SHA1
e1550093e10f65101491320f166dfa21f299080f
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SHA256
87b57f33ff0108e6211456dd89b3ec63503022cc4ee0663d7fd2eeca7289b52e
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SHA512
a4d24ab17bad9439b2f2458e634735d7b29a7c601a2ee0a9a7b86b549496088641d5676e5697b86ee63281869a352a11493575f12bbba354082a6de5bfe2efc9
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SSDEEP
49152:2m7wIIjaSOV+THnJY4fsC1EBG0fRGtxbZdxajwbrS79F5/wcr6QqbD2iJq8H:B8IsaSOolY4fsCmbIBSw09D/KTuiJTH
Malware Config
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 87b57f33ff0108e6211456dd89b3ec63503022cc4ee0663d7fd2eeca7289b52e unpack001/out.upx
Files
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87b57f33ff0108e6211456dd89b3ec63503022cc4ee0663d7fd2eeca7289b52e.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 7.0MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 44KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 4.8MB - Virtual size: 4.8MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1.3MB - Virtual size: 1.3MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 73KB - Virtual size: 377KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 3.0MB - Virtual size: 3.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 370KB - Virtual size: 370KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ