General
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Target
midnight (1234).zip
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Size
138KB
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MD5
d6887c50a19ddf4160195a84017cbec7
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SHA1
0e443176b3091a05da329c05c509fc1a412087d0
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SHA256
f97488ee0b0f23efa8ce589d1e3456e575fb3b1ac938349b82c7d3aaa63e8e50
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SHA512
956d56bb4469caaa1658233d59d327fb09a8a09dafe2af36537b2128deb4536a9c40d5b364f96bf006fca9832bf10491cfff22ad32ae7cba7dd0f2f37b0431eb
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SSDEEP
3072:VLxP/oE8EIXTcylXkojCS9x9eEXy9o3Kpr8CxLv7L:FxP/oJDJlUcCS9x9evG3KpvZ/
Malware Config
Signatures
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Detect Umbral payload 1 IoCs
resource yara_rule static1/unpack001/midnight.exe family_umbral -
Detect Xworm Payload 1 IoCs
resource yara_rule static1/unpack001/midnight.exe family_xworm -
Umbral family
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Xworm family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/midnight.exe
Files
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midnight (1234).zip.zip
Password: 1234
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midnight.exe.exe windows:4 windows x86 arch:x86
Password: 1234
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 5KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 512B - Virtual size: 124B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 1KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1024B - Virtual size: 770B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 4B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 456B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 299KB - Virtual size: 299KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ