Behavioral task
behavioral1
Sample
b1f661343e56aaaa1acfa1c5202b0eefc9a391117c9a77ec17af4c6cc139b3e9.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
b1f661343e56aaaa1acfa1c5202b0eefc9a391117c9a77ec17af4c6cc139b3e9.exe
Resource
win10v2004-20231215-en
General
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Target
b1f661343e56aaaa1acfa1c5202b0eefc9a391117c9a77ec17af4c6cc139b3e9
-
Size
536KB
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MD5
43f55a21148a34668a1234164b58f5ce
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SHA1
c3cb6fe327a1b4b79a032ac3701733e7caf9b29b
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SHA256
b1f661343e56aaaa1acfa1c5202b0eefc9a391117c9a77ec17af4c6cc139b3e9
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SHA512
bfae88ae02435fb1b6c6ca66e182de4c3698b897aa2e47102cff0fc5246329646c4bfe97414e6768403e860d2db5891e2c4a40fe2927efb91a667173bb432d50
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SSDEEP
12288:Ohf0Bs9bDDq9hu53Ltp/p+gPhhwPOaoTJRkmOkx2LIa:OdQyDL9xp/BGA1RkmOkx2LF
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource b1f661343e56aaaa1acfa1c5202b0eefc9a391117c9a77ec17af4c6cc139b3e9 unpack001/out.upx
Files
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b1f661343e56aaaa1acfa1c5202b0eefc9a391117c9a77ec17af4c6cc139b3e9.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: 488KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 402KB - Virtual size: 404KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 133KB - Virtual size: 136KB
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: 165KB - Virtual size: 164KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 65KB - Virtual size: 65KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 482KB - Virtual size: 489KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 132KB - Virtual size: 132KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ