Behavioral task
behavioral1
Sample
build2.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
build2.exe
Resource
win10v2004-20240709-en
General
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Target
build2.bin.zip
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Size
1.5MB
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MD5
567169f511f56390cc589cdea1f1b83e
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SHA1
9a6d2400c4a090b202c9c97a962668592a4e0775
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SHA256
f905a16bdc72d732c59f4bdfde7bf974af522407ee4f73b499901fb380904f1e
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SHA512
267a61700d084c98077e6e5a2b62ff87776b2afc6bbf6ff8c7bccf5056551a5b9df2a640f64b1e66843e9e015f6ba63c2119cc6b62918adb30138f06e2f69243
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SSDEEP
24576:M9pvcETXt/lk5TWbbkgl4f/JDrdXwtquynYHs0NH/Cd/FM6UMYCE+WB3x441oith:ATZljbeZRBdnYPqd9wMYCEbh4hCTWe
Malware Config
Signatures
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resource yara_rule static1/unpack001/build2.bin DeerStealer -
Deerstealer family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/build2.bin
Files
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build2.bin.zip.zip
Password: infected
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build2.bin.exe windows:4 windows x64 arch:x64
Password: infected
e49b63183dc452ee4abc90a6e47f6582
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
DeleteCriticalSection
EnterCriticalSection
GetLastError
GetProcAddress
GetStartupInfoA
InitializeCriticalSection
LeaveCriticalSection
LoadLibraryA
SetUnhandledExceptionFilter
Sleep
TlsAlloc
TlsGetValue
TlsSetValue
VirtualAlloc
VirtualFree
VirtualProtect
VirtualQuery
msvcrt
__C_specific_handler
__initenv
__set_app_type
__setusermatherr
_acmdln
_commode
_fmode
_initterm
_ismbblead
_onexit
abort
calloc
free
memcpy
memset
strncmp
Sections
.text Size: 2.5MB - Virtual size: 2.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 60KB - Virtual size: 59KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 49KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.pdata Size: 19KB - Virtual size: 19KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.xdata Size: 17KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 407KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.CRT Size: 512B - Virtual size: 88B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 512B - Virtual size: 16B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 312B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 924B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ