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Behavioral task
behavioral1
Sample
Utilman.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
Utilman.exe
Resource
win10v2004-20241007-en
General
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Target
Utilman.exe
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Size
709KB
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MD5
83aba31021b2d4613af088f11f784301
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SHA1
906a0876fc94ad2e4ea10b3d6d61ca6788f1922d
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SHA256
de8f674e914b11d418860730c0297cd0a0ea44aa3d2bd58053d2c9a5b259a987
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SHA512
16cd85c45a035425ae9428ec657c60b2ce5c2bc8623385d46fa05896a5fd6ce61a93abe069cb11e0f8fd3ee98cd83319e6b09580fef6b8b57a6163a8592ec079
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SSDEEP
12288:U9tpJ9zb1wqWIjX0n6j/PKJc3G5OF8wBjmqU888888888888W888888888884HMT:6ttzBwqWUX0c/W55GtQUMLIbvO
Malware Config
Signatures
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Detect Neshta payload 1 IoCs
resource yara_rule sample family_neshta -
Neshta family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Utilman.exe
Files
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Utilman.exe.exe windows:4 windows x86 arch:x86
Password: infected
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: 29KB - Virtual size: 28KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 42KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 8B
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: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ