Behavioral task
behavioral1
Sample
h264codec.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
h264codec.exe
Resource
win10v2004-20231020-en
Behavioral task
behavioral3
Sample
out.exe
Resource
win7-20231020-en
Behavioral task
behavioral4
Sample
out.exe
Resource
win10v2004-20231023-en
General
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Target
fa0bfe83932c00d060766068daacfcc8-sample.zip
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Size
492KB
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MD5
e59df45055fa320ee15a561d2c8fb233
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SHA1
38a9b8e27c46a637fe838065419a7c47fa390750
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SHA256
123a0b3d7d0379e8644f2e0d283dd560e180b1d2ef3a56e2935abf95d59d916d
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SHA512
b930a8f85cb9498980bfcc20cf45f2bdae0777229d5c36e6095b0baab247239ab73312904265a2c6d98d42a7f1ab8371cb266651a4fc1d48664afc9c448c1d90
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SSDEEP
12288:0gFW1pKW28uXw0srlSBqzbR6xJeadOsD8Bmm66hSXpAvYe7bRGC:NWuW28dr49UBmPl+7bT
Malware Config
Signatures
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resource yara_rule static1/unpack001/h264codec.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/h264codec.exe unpack002/out.upx
Files
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fa0bfe83932c00d060766068daacfcc8-sample.zip.zip
Password: infected
-
h264codec.exe.exe windows:4 windows x86
Password: infected
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: 220KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 79KB - Virtual size: 80KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows 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: 76KB - Virtual size: 73KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 16KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 180KB - Virtual size: 178KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ