Behavioral task
behavioral1
Sample
b4bfa3a69f755554d946c5eecde2c60f.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
b4bfa3a69f755554d946c5eecde2c60f.exe
Resource
win10v2004-20231222-en
General
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Target
b4bfa3a69f755554d946c5eecde2c60f.exe
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Size
378KB
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MD5
b4bfa3a69f755554d946c5eecde2c60f
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SHA1
2ca01d0df595ec3ba24258813b236d88858b3812
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SHA256
dcc309fd0bd8b7ac79a7591835579495ef7ac33794c606e35d51d7515c5cb153
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SHA512
794313fd2cde7433a96b22675a900ffd6e079ee71e9086802bf3bd4b001ead40eafb47e74a8e9a24ae440a65a37dad1499dc94db9a6ef45e967170af694da836
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SSDEEP
6144:wd1ZWTprtMsQBma/atn9pG4l+0K76zHTgb8ecFeK8TJ4u392vVAMR4/5V0lLn+CV:21gRMsEat9pG4l+0K7WHT91M52vVAMqa
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 b4bfa3a69f755554d946c5eecde2c60f.exe
Files
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b4bfa3a69f755554d946c5eecde2c60f.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: 31KB - Virtual size: 31KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.bss Size: - Virtual size: 132KB
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: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.kofbl Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.l1 Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ