Analysis
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max time kernel
140s -
max time network
177s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 22:19
Static task
static1
Behavioral task
behavioral1
Sample
Purchanse_order.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Purchanse_order.exe
Resource
win10v2004-20220414-en
General
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Target
Purchanse_order.exe
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Size
772KB
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MD5
7d3b4301c9c66c9fdb16dd433cb8caae
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SHA1
45788c1bc647a628c3ecf414109ad9702e1e3294
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SHA256
b9b823a4a7732af045884bac1c801b2924521291e92157c7e90ed573f1236f54
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SHA512
af01c5213d2150531feadf804f80605f6cd5a17bb442d3f3572f27ff861621985ea42fd9c475d502249c0935dfc19bef59f8d3e392e9ae1e90bbbc66e970c274
Malware Config
Extracted
Protocol: smtp- Host:
mail.gascuenca.es - Port:
587 - Username:
[email protected] - Password:
gasW204@Z7
Extracted
agenttesla
Protocol: smtp- Host:
mail.gascuenca.es - Port:
587 - Username:
[email protected] - Password:
gasW204@Z7
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
Processes:
resource yara_rule behavioral2/memory/4836-137-0x0000000000400000-0x000000000045A000-memory.dmp family_agenttesla -
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
Processes:
Purchanse_order.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchanse_order.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchanse_order.exe Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchanse_order.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Purchanse_order.exedescription pid process target process PID 2832 set thread context of 4836 2832 Purchanse_order.exe Purchanse_order.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
Purchanse_order.exepid process 4836 Purchanse_order.exe 4836 Purchanse_order.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Purchanse_order.exePurchanse_order.exedescription pid process Token: SeDebugPrivilege 2832 Purchanse_order.exe Token: SeDebugPrivilege 4836 Purchanse_order.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
Purchanse_order.exedescription pid process target process PID 2832 wrote to memory of 4836 2832 Purchanse_order.exe Purchanse_order.exe PID 2832 wrote to memory of 4836 2832 Purchanse_order.exe Purchanse_order.exe PID 2832 wrote to memory of 4836 2832 Purchanse_order.exe Purchanse_order.exe PID 2832 wrote to memory of 4836 2832 Purchanse_order.exe Purchanse_order.exe PID 2832 wrote to memory of 4836 2832 Purchanse_order.exe Purchanse_order.exe PID 2832 wrote to memory of 4836 2832 Purchanse_order.exe Purchanse_order.exe PID 2832 wrote to memory of 4836 2832 Purchanse_order.exe Purchanse_order.exe PID 2832 wrote to memory of 4836 2832 Purchanse_order.exe Purchanse_order.exe -
outlook_office_path 1 IoCs
Processes:
Purchanse_order.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchanse_order.exe -
outlook_win_path 1 IoCs
Processes:
Purchanse_order.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Purchanse_order.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Purchanse_order.exe"C:\Users\Admin\AppData\Local\Temp\Purchanse_order.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2832 -
C:\Users\Admin\AppData\Local\Temp\Purchanse_order.exe"C:\Users\Admin\AppData\Local\Temp\Purchanse_order.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4836
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD517573558c4e714f606f997e5157afaac
SHA113e16e9415ceef429aaf124139671ebeca09ed23
SHA256c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553
SHA512f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc