Analysis
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max time kernel
138s -
max time network
39s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-05-2022 22:26
Static task
static1
Behavioral task
behavioral1
Sample
Norstar Baltic - Q88.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
Norstar Baltic - Q88.exe
Resource
win10v2004-20220414-en
General
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Target
Norstar Baltic - Q88.exe
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Size
720KB
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MD5
09e36a44827320de0eb19fc0b1a91f61
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SHA1
6c5c259788e531ca18fabcd5c3ed9db3f9ed8600
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SHA256
f5a3632e4dc565def5e2a0e015931fd3bca1c19e1045044429bbe3912422e32b
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SHA512
7a6c42a9c65cf7d8bfa5540824db07dd6cf125f85afc34833fa39cca63ac6783b06fe1ee26a2ddb0a3768c5a60b979b3719fa70d98906190ca56961c1d8525af
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.maihyundai.com - Port:
587 - Username:
[email protected] - Password:
isla44332211
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1736-61-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla behavioral1/memory/1736-62-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla behavioral1/memory/1736-64-0x0000000000460D4E-mapping.dmp family_agenttesla behavioral1/memory/1736-63-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla behavioral1/memory/1736-66-0x0000000000400000-0x0000000000466000-memory.dmp family_agenttesla behavioral1/memory/1736-68-0x0000000000400000-0x0000000000466000-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:
Norstar Baltic - Q88.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Norstar Baltic - Q88.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Norstar Baltic - Q88.exe Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Norstar Baltic - Q88.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Norstar Baltic - Q88.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\DsWhv = "C:\\Users\\Admin\\AppData\\Roaming\\DsWhv\\DsWhv.exe" Norstar Baltic - Q88.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Norstar Baltic - Q88.exedescription pid process target process PID 1620 set thread context of 1736 1620 Norstar Baltic - Q88.exe Norstar Baltic - Q88.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
Norstar Baltic - Q88.exeNorstar Baltic - Q88.exepid process 1620 Norstar Baltic - Q88.exe 1620 Norstar Baltic - Q88.exe 1620 Norstar Baltic - Q88.exe 1736 Norstar Baltic - Q88.exe 1736 Norstar Baltic - Q88.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
Norstar Baltic - Q88.exeNorstar Baltic - Q88.exedescription pid process Token: SeDebugPrivilege 1620 Norstar Baltic - Q88.exe Token: SeDebugPrivilege 1736 Norstar Baltic - Q88.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
Norstar Baltic - Q88.exedescription pid process target process PID 1620 wrote to memory of 1720 1620 Norstar Baltic - Q88.exe Norstar Baltic - Q88.exe PID 1620 wrote to memory of 1720 1620 Norstar Baltic - Q88.exe Norstar Baltic - Q88.exe PID 1620 wrote to memory of 1720 1620 Norstar Baltic - Q88.exe Norstar Baltic - Q88.exe PID 1620 wrote to memory of 1720 1620 Norstar Baltic - Q88.exe Norstar Baltic - Q88.exe PID 1620 wrote to memory of 1736 1620 Norstar Baltic - Q88.exe Norstar Baltic - Q88.exe PID 1620 wrote to memory of 1736 1620 Norstar Baltic - Q88.exe Norstar Baltic - Q88.exe PID 1620 wrote to memory of 1736 1620 Norstar Baltic - Q88.exe Norstar Baltic - Q88.exe PID 1620 wrote to memory of 1736 1620 Norstar Baltic - Q88.exe Norstar Baltic - Q88.exe PID 1620 wrote to memory of 1736 1620 Norstar Baltic - Q88.exe Norstar Baltic - Q88.exe PID 1620 wrote to memory of 1736 1620 Norstar Baltic - Q88.exe Norstar Baltic - Q88.exe PID 1620 wrote to memory of 1736 1620 Norstar Baltic - Q88.exe Norstar Baltic - Q88.exe PID 1620 wrote to memory of 1736 1620 Norstar Baltic - Q88.exe Norstar Baltic - Q88.exe PID 1620 wrote to memory of 1736 1620 Norstar Baltic - Q88.exe Norstar Baltic - Q88.exe -
outlook_office_path 1 IoCs
Processes:
Norstar Baltic - Q88.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Norstar Baltic - Q88.exe -
outlook_win_path 1 IoCs
Processes:
Norstar Baltic - Q88.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Norstar Baltic - Q88.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Norstar Baltic - Q88.exe"C:\Users\Admin\AppData\Local\Temp\Norstar Baltic - Q88.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1620 -
C:\Users\Admin\AppData\Local\Temp\Norstar Baltic - Q88.exe"{path}"2⤵PID:1720
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C:\Users\Admin\AppData\Local\Temp\Norstar Baltic - Q88.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1736