Analysis
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max time kernel
135s -
max time network
123s -
platform
windows7_x64 -
resource
win7-en-20211014 -
submitted
20-10-2021 11:32
General
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Target
Scan_10_2_2021 DHL#SHIPMENT_PENDING.exe
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Size
467KB
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MD5
a97d9178b7be9d26a92cfe89ea38d5be
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SHA1
b53938993454161313acc4e34871f52c6f6bac1a
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SHA256
92702ac48ce79bc2c5c3412c4e0220e760bdf247390e27c4912481617cf5b3ef
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SHA512
4f3748079e921c1f153b9d664303134d4bdbfe52a98dd7e4dbac58634c314484bd32fa5f4412115ce70a83fb16b504d20fde14405c51bccddb68fbd780935557
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.sunyimpex.com/ - Port:
21 - Username:
[email protected] - Password:
BZl@Xw{D(HQm
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 5 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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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 6 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 13 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\Scan_10_2_2021 DHL#SHIPMENT_PENDING.exe"C:\Users\Admin\AppData\Local\Temp\Scan_10_2_2021 DHL#SHIPMENT_PENDING.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uApPBcjnC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC12D.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Scan_10_2_2021 DHL#SHIPMENT_PENDING.exe"C:\Users\Admin\AppData\Local\Temp\Scan_10_2_2021 DHL#SHIPMENT_PENDING.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/260-60-0x0000000000000000-mapping.dmp
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memory/1520-64-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1520-66-0x000000000043761E-mapping.dmp
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memory/1520-70-0x0000000004C51000-0x0000000004C52000-memory.dmpFilesize
4KB
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memory/1520-69-0x0000000004C50000-0x0000000004C51000-memory.dmpFilesize
4KB
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memory/1520-67-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1520-61-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1520-62-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1520-63-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1520-65-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/1652-54-0x0000000000A40000-0x0000000000A41000-memory.dmpFilesize
4KB
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memory/1652-57-0x0000000004D40000-0x0000000004D41000-memory.dmpFilesize
4KB
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memory/1652-56-0x0000000074A41000-0x0000000074A43000-memory.dmpFilesize
8KB
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memory/1652-59-0x0000000004E80000-0x0000000004ED8000-memory.dmpFilesize
352KB
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memory/1652-58-0x0000000000450000-0x0000000000457000-memory.dmpFilesize
28KB