Behavioral task
behavioral1
Sample
40743b001668c1a8708544096f52b84c250f3c99c982d9abeb8d3a7207d4f90d.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
40743b001668c1a8708544096f52b84c250f3c99c982d9abeb8d3a7207d4f90d.exe
Resource
win10v2004-20240426-en
General
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Target
40743b001668c1a8708544096f52b84c250f3c99c982d9abeb8d3a7207d4f90d.exe
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Size
234KB
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MD5
ee0c4eaa435374aef1f1b7f6d7d5cc6e
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SHA1
47abec4753b1c3b39f7d3df3543a49304015c80c
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SHA256
40743b001668c1a8708544096f52b84c250f3c99c982d9abeb8d3a7207d4f90d
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SHA512
98b3d422c4302e372b61971f58bf5c59f2d7ce248cbb8a3970f83451b0bd73287a3e83dcfde943de88891bbcbbb6e0bd7fb32d1b760aa8472f861cb2ec4144d8
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SSDEEP
3072:IbEmieCmoVbGqUbsHtUvrfibc2hde5sjLrc/:IbEmieCmoVbGqUbswrL2THLA
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.mansahbrothers.com - Port:
587 - Username:
[email protected] - Password:
hl*Dxzo2 - 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 40743b001668c1a8708544096f52b84c250f3c99c982d9abeb8d3a7207d4f90d.exe
Files
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40743b001668c1a8708544096f52b84c250f3c99c982d9abeb8d3a7207d4f90d.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: 232KB - Virtual size: 231KB
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