Analysis
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max time kernel
135s -
max time network
136s -
platform
windows10_x64 -
resource
win10 -
submitted
09-07-2020 06:33
Static task
static1
Behavioral task
behavioral1
Sample
Τιμολόγιο.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
Τιμολόγιο.exe
Resource
win10
General
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Target
Τιμολόγιο.exe
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Size
715KB
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MD5
d1383843151041ad13941ef3b1b013e1
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SHA1
8dd0913c00f00e6f1a5246f31012abc7379f98ad
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SHA256
fdcfe91ecf3940c58623a8e641bbb8065ce851de470f17c98bba19b9d05b0832
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SHA512
3f558eb3fc1895633504cdb96e2e03b325645fc47f2360d79b2b5936885d320798cb3888618519e67b92f272c164d5be68ec2bdf56e8873848c611b0407adffb
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
atk9202
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/3932-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral2/memory/3932-3-0x0000000000446F9E-mapping.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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Τιμολόγιο.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe" Τιμολόγιο.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Τιμολόγιο.exedescription pid process target process PID 720 set thread context of 3932 720 Τιμολόγιο.exe Τιμολόγιο.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 2 IoCs
Processes:
Τιμολόγιο.exepid process 3932 Τιμολόγιο.exe 3932 Τιμολόγιο.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
Τιμολόγιο.exepid process 3932 Τιμολόγιο.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Τιμολόγιο.exedescription pid process Token: SeDebugPrivilege 3932 Τιμολόγιο.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
Τιμολόγιο.exedescription pid process target process PID 720 wrote to memory of 2380 720 Τιμολόγιο.exe schtasks.exe PID 720 wrote to memory of 2380 720 Τιμολόγιο.exe schtasks.exe PID 720 wrote to memory of 2380 720 Τιμολόγιο.exe schtasks.exe PID 720 wrote to memory of 3932 720 Τιμολόγιο.exe Τιμολόγιο.exe PID 720 wrote to memory of 3932 720 Τιμολόγιο.exe Τιμολόγιο.exe PID 720 wrote to memory of 3932 720 Τιμολόγιο.exe Τιμολόγιο.exe PID 720 wrote to memory of 3932 720 Τιμολόγιο.exe Τιμολόγιο.exe PID 720 wrote to memory of 3932 720 Τιμολόγιο.exe Τιμολόγιο.exe PID 720 wrote to memory of 3932 720 Τιμολόγιο.exe Τιμολόγιο.exe PID 720 wrote to memory of 3932 720 Τιμολόγιο.exe Τιμολόγιο.exe PID 720 wrote to memory of 3932 720 Τιμολόγιο.exe Τιμολόγιο.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Τιμολόγιο.exe"C:\Users\Admin\AppData\Local\Temp\Τιμολόγιο.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IPftCuOQyZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5C05.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Τιμολόγιο.exe"{path}"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Τιμολόγιο.exe.logMD5
ef140ef600b2463c9e7dbf064a104046
SHA1c08fd1853877be95575ea2e860dd8cafef31f54c
SHA256ad8ae97fdeb174b20f02c7ddf9466981856d77d51133599b5954f48f78a1b616
SHA512bf16df0994080bdc832cb39a312e0095de57608256fcf0d04d589e0bdf3283f918fb0d6ec86ea28a4b1af6db12813c52a724028f02330ebc3a9d32a4fcda706c
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C:\Users\Admin\AppData\Local\Temp\tmp5C05.tmpMD5
9cc208042f304c2a374cad62f14a8dd6
SHA18261dd31053e5fda357b59c51b871fdc5a3ada38
SHA2569387b00d32a740f0b6a18fc3a52640f350f2d4ab97ba92878e72713557b7c7c1
SHA512f09c343899ea59d199bdaca3ae2148738f418195a185d27f1ccac70fdbe32b271d82fd8be7122e735fef2424f3a648e1cdfcdb4e128750e252116366ef7572c9
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memory/2380-0-0x0000000000000000-mapping.dmp
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memory/3932-2-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/3932-3-0x0000000000446F9E-mapping.dmp