Analysis
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max time kernel
122s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
14-02-2024 05:14
General
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Target
NEW PURCHASE ORDER #024.scr
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Size
662KB
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MD5
a8506bf1a11d304139c48334964fefce
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SHA1
57d5b782a33dd88964da211bb9b2856c71e1cde7
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SHA256
43ba52dbbb5b429c68cdf2c4af2f304be871646c633d72099e9c9b9ceb8fef93
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SHA512
45ec151f37325cf7050821834906cefed37dab475732695f8ae9674f136649dd84a6cb30b887af92d3ece3e5cb7133aaa39bc8fe2e3ee552579a7fd3b261007d
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SSDEEP
12288:hm/BeQ5vzivDE/xLL1NFcLop5olVZmYPvhGJp5OfJad+45nsA:criYl57cLo5olVZPha5OfJak42
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.afconnl.com - Port:
587 - Username:
[email protected] - Password:
ah!kfC@0 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Detect packed .NET executables. Mostly AgentTeslaV4. 5 IoCs
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
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Detects executables referencing Windows vault credential objects. Observed in infostealers 5 IoCs
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 5 IoCs
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Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
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Detects executables referencing many file transfer clients. Observed in information stealers 5 IoCs
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Reads user/profile data of local email clients 2 TTPs
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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER #024.scr"C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER #024.scr" /S1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER #024.scr"C:\Users\Admin\AppData\Local\Temp\NEW PURCHASE ORDER #024.scr"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
688KB
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Filesize
6.9MB
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Filesize
256KB
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Filesize
80KB
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Filesize
40KB
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Filesize
56KB
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Filesize
544KB
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Filesize
6.9MB
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Filesize
256KB
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Filesize
256KB
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Filesize
256KB
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Filesize
4KB
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Filesize
256KB
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Filesize
256KB
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Filesize
256KB
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Filesize
256KB
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Filesize
6.9MB
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Filesize
6.9MB
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Filesize
256KB