Behavioral task
behavioral1
Sample
81c9f88fd5553795c9049acd9f9503d0_NEAS.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
81c9f88fd5553795c9049acd9f9503d0_NEAS.exe
Resource
win10v2004-20240419-en
General
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Target
81c9f88fd5553795c9049acd9f9503d0_NEAS
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Size
594KB
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MD5
81c9f88fd5553795c9049acd9f9503d0
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SHA1
8946740af1c3f103f3c11018f2d4c2b18d844b9e
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SHA256
a67f20c9ecc866f08518e4c7d3c8fcebb930c59e9ad1d51797e0bad5877c5097
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SHA512
81f619ff9852cf75d58331e966ca65ea7aecc788bf9f1f703560ccb252c73712809813810eabb6e808663d5ec4e54839c67be89e9d4dd11f45167fe70d54efc5
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SSDEEP
6144:wqDAwl0xPTMiR9JSSxPUKododHVwpnOSl:w+67XR9JSSxvododHVwpOSl
Malware Config
Signatures
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Berbew family
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Malware Dropper & Backdoor - Berbew 1 IoCs
Berbew is a backdoor Trojan malware with capabilities to download and install a range of additional malicious software, such as other Trojans, ransomware, and cryptominers.
resource yara_rule sample family_berbew -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 81c9f88fd5553795c9049acd9f9503d0_NEAS
Files
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81c9f88fd5553795c9049acd9f9503d0_NEAS.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 256KB - Virtual size: 256KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 6KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 245KB - Virtual size: 293KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE