Behavioral task
behavioral1
Sample
NEAS.d8d2a4c5eb058c402e17f3cfe39906b0.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.d8d2a4c5eb058c402e17f3cfe39906b0.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.d8d2a4c5eb058c402e17f3cfe39906b0.exe
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Size
311KB
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MD5
d8d2a4c5eb058c402e17f3cfe39906b0
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SHA1
89a3083371ee82018f0b4170d3bcbcaa8d0f6994
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SHA256
5efa9ec80a5c6697f57092bbfb071d790f3809727aa1191a15f7b3ce03a6c091
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SHA512
f518daf8905b63ab59247c9c3cab86b2202f546e9a6a2e170cdd7299358562faa35075f38ad7713c5b192bee0ca87cbcb2e180bbc45fbe3ba0a3c4c1d7083943
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SSDEEP
6144:0USiZTK40qIs9GQnp+ljF+JSV2EHh3RSj0LUxEA/+gQzQfFnUD+ehocGIRbhosPZ:0UvRK4T9jp+1NV2EHh3RSILcE+9QzQpe
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 -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource NEAS.d8d2a4c5eb058c402e17f3cfe39906b0.exe unpack001/out.upx
Files
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NEAS.d8d2a4c5eb058c402e17f3cfe39906b0.exe.exe windows:4 windows 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
UPX0 Size: - Virtual size: 496KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 75KB - Virtual size: 76KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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out.upx.exe windows:4 windows 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