Behavioral task
behavioral1
Sample
a3e756a263802ca51ddb68b71be4bfbcb7425bcca65152895160d5aa185df29c.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
a3e756a263802ca51ddb68b71be4bfbcb7425bcca65152895160d5aa185df29c.exe
Resource
win10v2004-20240426-en
General
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Target
csrss_exe_17407757592.zip
-
Size
382KB
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MD5
7fb4520bb6a377012573b6ef963d7b49
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SHA1
3e6ae1762e273c28604a1115f249a6a1c2da85fc
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SHA256
3859783e9502950249f60205ac494d0c286d56d968c21a7baf28b122f426d01c
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SHA512
aa321286906b9f0217784725518762840f48349775f3fdc91873592ec11551adc9526530b3c4ecc8160dbd18dc73bf2d3bc42f75c463e6c89d87a39c04a359dd
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SSDEEP
6144:NtfTb+vzM2JSE3tOgotZmHPBhDPeduHvFjDWuZaWrmW0757TBBaxTHs+:NR+o2JntOgPB5edutPWOa0G571gj
Malware Config
Signatures
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resource yara_rule static1/unpack001/a3e756a263802ca51ddb68b71be4bfbcb7425bcca65152895160d5aa185df29c upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/a3e756a263802ca51ddb68b71be4bfbcb7425bcca65152895160d5aa185df29c
Files
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csrss_exe_17407757592.zip.zip
Password: infected
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a3e756a263802ca51ddb68b71be4bfbcb7425bcca65152895160d5aa185df29c.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 1.1MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
UPX1 Size: 793KB - Virtual size: 796KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE