General
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Target
YKRAB010B_KHE_Preminary Packing List.xlsx.exe
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Size
1.1MB
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Sample
210222-wxqjbynprj
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MD5
9a06197daf40639c61cc898e8db91340
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SHA1
ffe7c6850523c7d4c7336dee86e65662d8a228db
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SHA256
7a44d661f4c1ac837b0045dc28562b098cb66b5e371bda8a79ef00000fa66a65
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SHA512
c90c7d9d0809e266a57110681078aaec2e224a01c567d7c6c115300b046ff1ea15d3b9f37d58aaf003e24a33714caa63b765275947515d7a45228eb208b4e277
Static task
static1
Behavioral task
behavioral1
Sample
YKRAB010B_KHE_Preminary Packing List.xlsx.exe
Resource
win7v20201028
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.hyshippingcn.com - Port:
587 - Username:
[email protected] - Password:
e*u@qkS4
Targets
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Target
YKRAB010B_KHE_Preminary Packing List.xlsx.exe
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Size
1.1MB
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MD5
9a06197daf40639c61cc898e8db91340
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SHA1
ffe7c6850523c7d4c7336dee86e65662d8a228db
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SHA256
7a44d661f4c1ac837b0045dc28562b098cb66b5e371bda8a79ef00000fa66a65
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SHA512
c90c7d9d0809e266a57110681078aaec2e224a01c567d7c6c115300b046ff1ea15d3b9f37d58aaf003e24a33714caa63b765275947515d7a45228eb208b4e277
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload
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Executes dropped EXE
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Loads dropped DLL
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Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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Reads data files stored by FTP clients
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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