Behavioral task
behavioral1
Sample
NEAS.b7cfda71b4a896c7e289a55b985bed80.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.b7cfda71b4a896c7e289a55b985bed80.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.b7cfda71b4a896c7e289a55b985bed80.exe
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Size
4.2MB
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MD5
b7cfda71b4a896c7e289a55b985bed80
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SHA1
0542309eb6ca9d15013f8728578f5c44a30f9464
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SHA256
1f076855661db3a4f38f74ff904bf40c5d011def824eebe10b4c8794a730fbd4
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SHA512
173252c9a6a3ca82fefeadaa3184de012989e9f178e9436deecf3536fefc955b7b4cca3bb492ffa7f9930fbd9d5bb156ba034632086d793a25e18555369cc53e
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SSDEEP
98304:/KeyRGebdCpy5atuKLXZYc6ePj+b4SrNEj5Jjk40Ew3B6Y:SHYPy5alLXec6ePjX1Je
Malware Config
Signatures
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Berbew family
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Malware Backdoor - Berbew 1 IoCs
Berbew is a malware infection classified as a 'backdoor' Trojan. This malicious program's primary function is to cause chain infections - it can download/install additional malware such as other Trojans, ransomware, and cryptominers.
resource yara_rule sample family_berbew -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource NEAS.b7cfda71b4a896c7e289a55b985bed80.exe
Files
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NEAS.b7cfda71b4a896c7e289a55b985bed80.exe.exe windows:4 windows x86
c6b0bd85f63e549c0536b6fceee78e43
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
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
Imports
kernel32
GetVersionExA
GetVersion
WriteFile
GetModuleFileNameW
GetModuleHandleA
LoadLibraryA
LocalAlloc
LocalFree
GetModuleFileNameA
ExitProcess
user32
CharNextA
advapi32
RegOpenKeyExA
oleaut32
SysFreeString
Sections
.reloc Size: - Virtual size: 84KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 2KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.text Size: - Virtual size: 12B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.vmp0 Size: - Virtual size: 178KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.vmp1 Size: 291KB - Virtual size: 291KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ