Analysis
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max time kernel
124s -
max time network
134s -
platform
windows10_x64 -
resource
win10-en -
submitted
15-09-2021 07:28
General
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Target
SHIPPING ADV#202109.exe
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Size
810KB
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MD5
a44b879e71e23900ed597f6844319b2b
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SHA1
85c9f8e4d824ffa3f7ab89e60d374930516385e3
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SHA256
7b3fc292a6205855f1a48175af411180f33473bdaa343349563e089b18d9ebc9
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SHA512
a541cd4348de5e9a1737bc9dae4535bb5f3936abdd1235afe5c46cb81ea7d14e17c961fc8226a7e93a7acd2a4131b13a328b2578492d30a05c7f0b6ecad84f64
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.bsia.co.in - Port:
587 - Username:
yogesh@bsia.co.in - Password:
21mbsia@)@!Y
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
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Looks for VirtualBox Guest Additions in registry 2 TTPs
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Looks for VMWare Tools registry key 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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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 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SHIPPING ADV#202109.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING ADV#202109.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\SHIPPING ADV#202109.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\SHIPPING ADV#202109.exe.logMD5
04ed5246c6fe2244d2885e6654fa8361
SHA18d780ce3bba85141f9e2158c165b52487dd5823a
SHA256ca114a622a02924b818488b080834d1b1367607fc29ab3105302b81457398ab5
SHA51248698b1601477f3e50fde16f26f4b99246de7231e2d735f95f8974f3efded92436a47558d3bd5ea7e928e64b90ceaeaf0ab904c27ef5e83b7b7e6300be4b3d41
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memory/2924-117-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/2924-118-0x00000000004374CE-mapping.dmp
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memory/2924-120-0x0000000002D10000-0x0000000002D11000-memory.dmpFilesize
4KB
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memory/2924-121-0x0000000002D11000-0x0000000002D12000-memory.dmpFilesize
4KB
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memory/2924-122-0x0000000002D12000-0x0000000002D13000-memory.dmpFilesize
4KB
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memory/4000-115-0x0000000003260000-0x0000000003261000-memory.dmpFilesize
4KB
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memory/4000-116-0x0000000003261000-0x0000000003262000-memory.dmpFilesize
4KB