Behavioral task
behavioral1
Sample
NEAS.2f1be21cdf8b5a8b5e3be2ddcb3ba2c0_JC.exe
Resource
win7-20231020-en
General
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Target
NEAS.2f1be21cdf8b5a8b5e3be2ddcb3ba2c0_JC.exe
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Size
252KB
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MD5
2f1be21cdf8b5a8b5e3be2ddcb3ba2c0
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SHA1
3d96bae367f68a6d47ef5a41bdf854797b33f5d5
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SHA256
08922e2cdadc17bc19ce9eedb395b29c5ae2ade0c07344db08f84c833325e5db
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SHA512
cf3ce177176690662a1d1a40f350003700a6c2fa5cc280e023d0f368153bed516ee58ecc8d611692092767ee1de225821048f9a5f83cea75fe400d218b3c0bfe
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SSDEEP
3072:jKcWmjRrz3SD3nusaYAuJ9yKcWmjRrz3sieVcui+xAkjCSLlQcTKvtEh6xCnrHAI:YGyXldXZGsieA+xnmSJKlEh6YrgsM8
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 -
Patched UPX-packed file 1 IoCs
Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.
resource yara_rule sample patched_upx -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource NEAS.2f1be21cdf8b5a8b5e3be2ddcb3ba2c0_JC.exe
Files
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NEAS.2f1be21cdf8b5a8b5e3be2ddcb3ba2c0_JC.exe.exe windows:5 windows x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_32BIT_MACHINE
Sections
.rdata Size: - Virtual size: 56KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 24KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - 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
.text Size: 10KB - Virtual size: 12KB
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
.rdata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
CPADinfo Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.text Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.idata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ