Analysis
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max time kernel
141s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 12:38
General
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Target
Shipping Documents.exe
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Size
653KB
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MD5
89526331c66bd4f61edef9d86b6ee7a8
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SHA1
8978f2bfeffb823b4dd212de66af1012f2a4c97c
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SHA256
680cf4f20e454d2c8aec06f27a64477f48e3e316372b3c5b062dc64c1e524376
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SHA512
d98b7a0792a448fa54e67e938edac78efa04bd38e130c6a72a0bcaa82279dc086a970c545725c7909e19a2d4fd9634cd3904eb574d4ba13e277e61ca5da0a81d
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
faceoff123@yandex.com - Password:
marcellinus
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
faceoff123@yandex.com - Password:
marcellinus
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Suspicious behavior: EnumeratesProcesses 5 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"C:\Users\Admin\AppData\Local\Temp\Shipping Documents.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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_v4.0_32\UsageLogs\Shipping Documents.exe.logFilesize
1KB
MD59635c257ae922c67111be6a4aa91f96d
SHA160a0f33c7f8951ed796b49d3b6fdcb0b7263c20b
SHA256a5b72f4f101d4a312b3a6639a27136881e87cb374e010841f4a675f5e45dfca2
SHA5121b97cac1b2d68a238ab071a7a6a9d8e600d47643f19a2e8b83dcd4c0bf9c4cd25210eedb71a197eb7dbdc6c65e71c490b6b5a364bc8c5c02a3ebaeb801fa0c73
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memory/1204-142-0x0000000000000000-mapping.dmp
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memory/2620-140-0x0000000005E90000-0x0000000005EF6000-memory.dmpFilesize
408KB
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memory/2620-136-0x0000000000000000-mapping.dmp
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memory/2620-137-0x0000000000400000-0x0000000000452000-memory.dmpFilesize
328KB
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memory/2620-139-0x0000000005980000-0x0000000005A1C000-memory.dmpFilesize
624KB
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memory/2620-141-0x0000000006AE0000-0x0000000006B30000-memory.dmpFilesize
320KB
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memory/2620-143-0x0000000006760000-0x000000000676A000-memory.dmpFilesize
40KB
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memory/3288-134-0x0000000005470000-0x00000000054B4000-memory.dmpFilesize
272KB
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memory/3288-135-0x00000000064D0000-0x00000000064F2000-memory.dmpFilesize
136KB
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memory/3288-133-0x0000000005130000-0x00000000051C2000-memory.dmpFilesize
584KB
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memory/3288-131-0x00000000007F0000-0x000000000089A000-memory.dmpFilesize
680KB
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memory/3288-132-0x0000000005640000-0x0000000005BE4000-memory.dmpFilesize
5.6MB