Static task
static1
Behavioral task
behavioral1
Sample
oxygen_u.zip
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
oxygen_u.zip
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
OxygenU.exe
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
OxygenU.exe
Resource
win10v2004-20230221-en
General
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Target
oxygen_u.zip
-
Size
1.9MB
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MD5
e7389c06a166d23535488922a647a201
-
SHA1
4af16736fc46743044a3fd0994551405dd04431a
-
SHA256
d82eae905d4eb03b8db1374c8d2ee2b281c5e7c1dbb1940c5a7e589c14b7cfad
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SHA512
0089b1274b0b0de031a9195cd95a0da1e7bdcb5ac8d786cc6c5750931f50cd79c3668ab06d67544b68514401c861e635e1623cb016416dee4c2a38105ecb2cdd
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SSDEEP
49152:WuLfIiclD5JJ872qmXcqtldqiAfgSaBOD:WuLf7sJJ872rXcqtlQiOsoD
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/OxygenU.exe
Files
-
oxygen_u.zip.zip
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OxygenU.exe.exe windows x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 2.4MB - Virtual size: 2.4MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 153KB - Virtual size: 153KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ