Behavioral task
behavioral1
Sample
b2cf575735175f5260e9644071727e12.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
b2cf575735175f5260e9644071727e12.exe
Resource
win10v2004-20231215-en
General
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Target
b2cf575735175f5260e9644071727e12.exe
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Size
487KB
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MD5
b2cf575735175f5260e9644071727e12
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SHA1
2451e0bde55c39a78493fb4f436e6ab3ccefbe88
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SHA256
54ad5650d619f8004db6ea185f02f851d7234341a88eafb99db0c4d8023e9ee7
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SHA512
5426fc6090d36aed69318c6d46f05b4d1be4018081e3ccbed55acd77e9b8a317c6c18c449d9e0eb383322f97622742824412ee54c13db85a4386f5048b0be4f9
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SSDEEP
12288:fMMPks/lYpV6yYPI3cpV6yYPZ0PVdvcY9+8hk5PDtJNBcL/v610yiqo4Z:XmWHWZ0PVdvcY9+8hk5DtJNBcL/C10dM
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 b2cf575735175f5260e9644071727e12.exe
Files
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b2cf575735175f5260e9644071727e12.exe.exe windows:1 windows x86 arch: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: 45KB - Virtual size: 45KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.bss Size: - Virtual size: 122KB
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: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ajelhf Size: 512B - 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