Behavioral task
behavioral1
Sample
3a7afe6819c5ab822b740b84d137bb1382d460a9b58b701cc33aa5de0624e8a7.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
3a7afe6819c5ab822b740b84d137bb1382d460a9b58b701cc33aa5de0624e8a7.exe
Resource
win10v2004-20240226-en
General
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Target
3a7afe6819c5ab822b740b84d137bb1382d460a9b58b701cc33aa5de0624e8a7.exe
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Size
236KB
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MD5
5c3c40f85f3c1474c5d71108d5cec5a3
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SHA1
003f05289ee0371ae1410c5cfec21d3b5834b997
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SHA256
3a7afe6819c5ab822b740b84d137bb1382d460a9b58b701cc33aa5de0624e8a7
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SHA512
5c86eb5286429392075bc67959e83ca719b508dc064689b4abf534ce5cc35dbc062bb9c037206eb0bc71a0c35bbdfbc383e4ccae0494384adf255ca647b28552
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SSDEEP
3072:5xe30rVIpfqE0kkkZw3QHP6qUD0Wn+5TiwrrD:C30rVqfqE0kkk+Qv60WnTwv
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.starmech.net - Port:
587 - Username:
[email protected] - Password:
nics123 - Email To:
[email protected]
Signatures
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Agenttesla family
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Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_GEN01 -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID -
Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store -
Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients -
Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
resource yara_rule sample INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 3a7afe6819c5ab822b740b84d137bb1382d460a9b58b701cc33aa5de0624e8a7.exe
Files
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3a7afe6819c5ab822b740b84d137bb1382d460a9b58b701cc33aa5de0624e8a7.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 233KB - Virtual size: 233KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ