Behavioral task
behavioral1
Sample
b2ef92c0f8888751b5c483623b75e2d1.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
b2ef92c0f8888751b5c483623b75e2d1.exe
Resource
win10v2004-20231215-en
General
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Target
b2ef92c0f8888751b5c483623b75e2d1.exe
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Size
386KB
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MD5
b2ef92c0f8888751b5c483623b75e2d1
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SHA1
fa4b6eae405f7fae76a30f60904ba78d19097c81
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SHA256
8e0dcb9c935b3f041e05938277161f5e99465eca260c46716e9232e6716aef41
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SHA512
80f022eb3baa2073c2480090f89b59db256f03e4c6688c3a8683b02977e0a463c1fb1f112f1e96198f495c133709a3f51bbb1fa6ec918129fa8e338383ad3212
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SSDEEP
12288:paSOrCZYE6YYBHpd0uD319ZvSntnhp352SCdL:USOrCyE6YYBHpd0uD319ZvSntnhp3525
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 b2ef92c0f8888751b5c483623b75e2d1.exe
Files
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b2ef92c0f8888751b5c483623b75e2d1.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: 51KB - Virtual size: 51KB
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: 13KB - Virtual size: 13KB
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
.flh Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.idata Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.idata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ