Behavioral task
behavioral1
Sample
4d8c9e00cbaa409ecf4265842a26392233e43cc107d7c9f7f61dcbc6eef1bace.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4d8c9e00cbaa409ecf4265842a26392233e43cc107d7c9f7f61dcbc6eef1bace.exe
Resource
win10v2004-20240419-en
General
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Target
4d8c9e00cbaa409ecf4265842a26392233e43cc107d7c9f7f61dcbc6eef1bace
-
Size
3.0MB
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MD5
1cd8084ac02e3b72dce2c3550cc15a32
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SHA1
b7d6c4c0b46cdb1d83b33b94a142aaaaa6944d4b
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SHA256
4d8c9e00cbaa409ecf4265842a26392233e43cc107d7c9f7f61dcbc6eef1bace
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SHA512
89e4efca577ea9e4805d54b929fbb0e37fc81c81a307ce6382b8c83d654f04a5c6a646aec61ee909341ae7825bce760f0a137ba0165a8083acd5d58c62c7e0e1
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SSDEEP
49152:gZnCRw3438x0TVDKNxOafuUYUc9no2IWkAyf1CQ+v5XxCv6Px7:gARw3UJKHOa/Xffs0S57
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 4d8c9e00cbaa409ecf4265842a26392233e43cc107d7c9f7f61dcbc6eef1bace unpack001/out.upx
Files
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4d8c9e00cbaa409ecf4265842a26392233e43cc107d7c9f7f61dcbc6eef1bace.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: 6.8MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 3.0MB - Virtual size: 3.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 43KB - 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: 4.7MB - Virtual size: 4.7MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1.2MB - Virtual size: 1.2MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 73KB - Virtual size: 265KB
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: 333KB - Virtual size: 333KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ