Behavioral task
behavioral1
Sample
NEAS.ef00cf0420056b4f29fed3985b5cbbd0.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
NEAS.ef00cf0420056b4f29fed3985b5cbbd0.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.ef00cf0420056b4f29fed3985b5cbbd0.exe
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Size
486KB
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MD5
ef00cf0420056b4f29fed3985b5cbbd0
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SHA1
81a9bc99acd4b7c8fd020c81547dc92d0110714f
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SHA256
ac39effb63ba1e4b04c0a4614706e4e9239957bc3d983eef3aa7785a9ead960f
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SHA512
f2ecbc62237ff7c08be1a0c70b6f5d121a6d047b3c9f38293ad2035e7348b689ebb380cf2d8406672b47baa4da7428c3b995c6fe48a32c4874d25f1b97c2fd23
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SSDEEP
12288:5SvwFHRFbe5qfF8Kfq30TXQYDy3i5/L5r0GBH1eW6:1BRYqfF8Kfq30TXQYDy3i5/L5r0GBH1a
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.ef00cf0420056b4f29fed3985b5cbbd0.exe
Files
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NEAS.ef00cf0420056b4f29fed3985b5cbbd0.exe.exe windows:1 windows x86
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 31KB - Virtual size: 31KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.bss Size: - Virtual size: 132KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.data Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.kofbl Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.l1 Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ