Analysis
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max time kernel
122s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
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submitted
04-12-2023 09:25
General
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Target
DHL Receipt_AWB#2287582982.exe
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Size
626KB
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MD5
e67873770015c2808b7d9846571ba391
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SHA1
bddeb7bdcbc046d37706eedd102823cfc6203e4b
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SHA256
2091a13a7a8053bf245ba38b61cbbfc4b383f7503a121e178fb250112f99bd44
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SHA512
201a352110336ddc558083351702790f8eb9f09ae5bc5bea5a1a7661ae60deeed7eae3670a358602c734085592918aaf42bf754acd9cf17677d1e9333d6c25c0
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SSDEEP
12288:T45+po2Lq7tPqu6+o9RdE4dLRb5AdT9TTx/cHxUxSGlZmaasToK58R:S+pJW6Ly2JCpTmHxsJlka
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
nl10.nlkoddos.com - Port:
587 - Username:
[email protected] - Password:
k[yH!8Z$AE;d - 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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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 SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL Receipt_AWB#2287582982.exe"C:\Users\Admin\AppData\Local\Temp\DHL Receipt_AWB#2287582982.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\DHL Receipt_AWB#2287582982.exe"C:\Users\Admin\AppData\Local\Temp\DHL Receipt_AWB#2287582982.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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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
256KB
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Filesize
256KB
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Filesize
4KB
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Filesize
256KB
-
Filesize
256KB
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Filesize
6.9MB
-
Filesize
256KB
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Filesize
488KB
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Filesize
256KB
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Filesize
6.9MB
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Filesize
40KB
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Filesize
648KB
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Filesize
6.9MB
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Filesize
32KB
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Filesize
96KB
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Filesize
256KB