Analysis
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max time kernel
137s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
20-05-2022 22:13
Static task
static1
Behavioral task
behavioral1
Sample
APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe
Resource
win10v2004-20220414-en
General
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Target
APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe
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Size
490KB
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MD5
18697f2af9c34770269986347b5ee11d
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SHA1
edd9a66203533bf046e2b4df1c00878049214b8f
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SHA256
33604d4a3c31c9a93c138a1c9de3152b35b3a81c57bf784e6685e17701e5c25d
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SHA512
d113c77a0c6f1b1bbe66b2171d5f273b5879b48b67a5e3981fc6acb433dfbd4346fefce76cd89eaf97c2531c794c6308b9ae3f4d4ca6ad9ae45ea6f123416950
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
SMTP.epaindemgroup.com - Port:
587 - Username:
[email protected] - Password:
aduR#@wG#r73
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/1764-64-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1764-65-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1764-66-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1764-67-0x0000000000447EAE-mapping.dmp family_agenttesla behavioral1/memory/1764-69-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1764-71-0x0000000000400000-0x000000000044C000-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:
APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\mjOqucsC = "C:\\Users\\Admin\\AppData\\Roaming\\vWCfqFL\\eISwg.exe" APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exedescription pid process target process PID 1688 set thread context of 1764 1688 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.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 4 IoCs
Processes:
APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exeAPC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exepid process 1688 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe 1688 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe 1764 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe 1764 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exeAPC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exedescription pid process Token: SeDebugPrivilege 1688 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe Token: SeDebugPrivilege 1764 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exepid process 1764 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exedescription pid process target process PID 1688 wrote to memory of 2016 1688 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe schtasks.exe PID 1688 wrote to memory of 2016 1688 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe schtasks.exe PID 1688 wrote to memory of 2016 1688 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe schtasks.exe PID 1688 wrote to memory of 2016 1688 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe schtasks.exe PID 1688 wrote to memory of 1764 1688 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe PID 1688 wrote to memory of 1764 1688 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe PID 1688 wrote to memory of 1764 1688 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe PID 1688 wrote to memory of 1764 1688 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe PID 1688 wrote to memory of 1764 1688 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe PID 1688 wrote to memory of 1764 1688 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe PID 1688 wrote to memory of 1764 1688 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe PID 1688 wrote to memory of 1764 1688 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe PID 1688 wrote to memory of 1764 1688 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe -
outlook_office_path 1 IoCs
Processes:
APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe -
outlook_win_path 1 IoCs
Processes:
APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe"C:\Users\Admin\AppData\Local\Temp\APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rWddikOEarg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp117F.tmp"2⤵
- Creates scheduled task(s)
PID:2016 -
C:\Users\Admin\AppData\Local\Temp\APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1764
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD515de54ba948f24a60b81390368fa2a44
SHA102733d4a9dc8ff9a323d62b1ce87db41cfdfd40c
SHA2566110e807a36b48096e5ba3ede2b757a79209f5b0c81cd658c27c76ff80a2c5f8
SHA512f584e5badac50a4bfebd61be925c98cd61dc515a7d92900f68dde727f5e1d70e78d4c7a4ee06686ad8041902526eab4533a1d5e20f9ded0391dfc21b89a62db7