Analysis
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max time kernel
151s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-05-2022 23:24
Static task
static1
Behavioral task
behavioral1
Sample
ACCOUNT STATEMENT.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
ACCOUNT STATEMENT.exe
Resource
win10v2004-20220414-en
General
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Target
ACCOUNT STATEMENT.exe
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Size
581KB
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MD5
eb428db8ca4d305e7f76c47ed02303cb
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SHA1
0b3aaeb40fe15f793e2827d58d60c8a40dc4ad6b
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SHA256
2cfe1844342a95aa0891efacedad05182cace9dcb728d81566d38989d4857e13
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SHA512
516fc3492df3c3ee5b1a553a59e2c0a65ca73a270e6dbeb1b971d545aee0adfc01f99f6b3ff257038d6ee16ef5b45a8e1ef8ae0d526f8f26f381428ab9e81813
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.rezuit.pro - Port:
587 - Username:
[email protected] - Password:
chukwuma22
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/1172-138-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
ACCOUNT STATEMENT.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation ACCOUNT STATEMENT.exe -
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:
ACCOUNT STATEMENT.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ACCOUNT STATEMENT.exe Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ACCOUNT STATEMENT.exe Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ACCOUNT STATEMENT.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ACCOUNT STATEMENT.exedescription pid process target process PID 4064 set thread context of 1172 4064 ACCOUNT STATEMENT.exe ACCOUNT STATEMENT.exe -
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 5 IoCs
Processes:
ACCOUNT STATEMENT.exeACCOUNT STATEMENT.exepid process 4064 ACCOUNT STATEMENT.exe 4064 ACCOUNT STATEMENT.exe 4064 ACCOUNT STATEMENT.exe 1172 ACCOUNT STATEMENT.exe 1172 ACCOUNT STATEMENT.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
ACCOUNT STATEMENT.exeACCOUNT STATEMENT.exedescription pid process Token: SeDebugPrivilege 4064 ACCOUNT STATEMENT.exe Token: SeDebugPrivilege 1172 ACCOUNT STATEMENT.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
ACCOUNT STATEMENT.exedescription pid process target process PID 4064 wrote to memory of 1200 4064 ACCOUNT STATEMENT.exe schtasks.exe PID 4064 wrote to memory of 1200 4064 ACCOUNT STATEMENT.exe schtasks.exe PID 4064 wrote to memory of 1200 4064 ACCOUNT STATEMENT.exe schtasks.exe PID 4064 wrote to memory of 1172 4064 ACCOUNT STATEMENT.exe ACCOUNT STATEMENT.exe PID 4064 wrote to memory of 1172 4064 ACCOUNT STATEMENT.exe ACCOUNT STATEMENT.exe PID 4064 wrote to memory of 1172 4064 ACCOUNT STATEMENT.exe ACCOUNT STATEMENT.exe PID 4064 wrote to memory of 1172 4064 ACCOUNT STATEMENT.exe ACCOUNT STATEMENT.exe PID 4064 wrote to memory of 1172 4064 ACCOUNT STATEMENT.exe ACCOUNT STATEMENT.exe PID 4064 wrote to memory of 1172 4064 ACCOUNT STATEMENT.exe ACCOUNT STATEMENT.exe PID 4064 wrote to memory of 1172 4064 ACCOUNT STATEMENT.exe ACCOUNT STATEMENT.exe PID 4064 wrote to memory of 1172 4064 ACCOUNT STATEMENT.exe ACCOUNT STATEMENT.exe -
outlook_office_path 1 IoCs
Processes:
ACCOUNT STATEMENT.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ACCOUNT STATEMENT.exe -
outlook_win_path 1 IoCs
Processes:
ACCOUNT STATEMENT.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ACCOUNT STATEMENT.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ACCOUNT STATEMENT.exe"C:\Users\Admin\AppData\Local\Temp\ACCOUNT STATEMENT.exe"1⤵
- Checks computer location settings
- 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\xyKVATyeo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB92E.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\ACCOUNT STATEMENT.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpB92E.tmpFilesize
1KB
MD53e41b2acdb250f63cd88072d90db7567
SHA1e97556596dca9d3b13360463507da01e9d186e18
SHA256a1c7be40dd3a61bb8671f423d75f62079dbeb6bee7d567e9ab0b66669456697b
SHA5123fc1e311a014f63dc1672293411cb630bcc61f805c13f9a8bfa37be9647cc0419a78bd74bd68fe69d90f30caab65ae205d6a9f14282f1fec0628feb06ff945b6
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memory/1172-137-0x0000000000000000-mapping.dmp
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memory/1172-138-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1172-139-0x0000000005D60000-0x0000000005DC6000-memory.dmpFilesize
408KB
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memory/1172-140-0x00000000060F0000-0x0000000006140000-memory.dmpFilesize
320KB
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memory/1200-135-0x0000000000000000-mapping.dmp
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memory/4064-130-0x0000000000EB0000-0x0000000000F46000-memory.dmpFilesize
600KB
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memory/4064-131-0x0000000005E50000-0x00000000063F4000-memory.dmpFilesize
5.6MB
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memory/4064-132-0x0000000005940000-0x00000000059D2000-memory.dmpFilesize
584KB
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memory/4064-133-0x00000000058F0000-0x00000000058FA000-memory.dmpFilesize
40KB
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memory/4064-134-0x0000000008610000-0x00000000086AC000-memory.dmpFilesize
624KB