Analysis
- max time kernel
131s - max time network
132s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:41
Static task
static1
Behavioral task
behavioral1
Sample
f6cd0ead52f9c3f8b8d39d8adeb48014.exe
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
f6cd0ead52f9c3f8b8d39d8adeb48014.exe
Resource
win10v20201028
0 signatures
0 seconds
General
- Target f6cd0ead52f9c3f8b8d39d8adeb48014.exe
- Size 748KB
- Sample201109-7jnlkbsdpx
- SHA256 b696bd66d67df6095b792c081f3c3f71f5fe29f58b5cd8599e0fd5e1f16d290e
- MD5 f6cd0ead52f9c3f8b8d39d8adeb48014
- SHA1 4f0f51a4e3797d93e8ebf3b4b1ef11b44a2b97c3
- SHA512 1e838c02e591925fcfc83fce2746a257496f68c2765a00bb1c914db391ef6dec4f0f3196df54d087456e99e9bdfb0cba554e8d117f111b9a0135314610d33d3b
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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agenttesla
Credentials
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Protocol
smtp
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Host
smtp.dutchworld.space
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Port
587
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Username
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Password
fSnz$T#3
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/3180-3-0x0000000000400000-0x00000000004B0000-memory.dmp family_agenttesla behavioral2/memory/3180-4-0x00000000009C0000-0x0000000000A12000-memory.dmp family_agenttesla -
resource yara_rule behavioral2/memory/3180-0-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/memory/3180-2-0x0000000000400000-0x00000000004B0000-memory.dmp upx behavioral2/memory/3180-3-0x0000000000400000-0x00000000004B0000-memory.dmp upx - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\dutch = "C:\\Users\\Admin\\AppData\\Local\\Temp\\dutch\\dutch.exe" f6cd0ead52f9c3f8b8d39d8adeb48014.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 632 set thread context of 3180 632 f6cd0ead52f9c3f8b8d39d8adeb48014.exe 75 - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 632 f6cd0ead52f9c3f8b8d39d8adeb48014.exe 632 f6cd0ead52f9c3f8b8d39d8adeb48014.exe 3180 f6cd0ead52f9c3f8b8d39d8adeb48014.exe 3180 f6cd0ead52f9c3f8b8d39d8adeb48014.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 632 f6cd0ead52f9c3f8b8d39d8adeb48014.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3180 f6cd0ead52f9c3f8b8d39d8adeb48014.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 632 wrote to memory of 3180 632 f6cd0ead52f9c3f8b8d39d8adeb48014.exe 75 PID 632 wrote to memory of 3180 632 f6cd0ead52f9c3f8b8d39d8adeb48014.exe 75 PID 632 wrote to memory of 3180 632 f6cd0ead52f9c3f8b8d39d8adeb48014.exe 75 PID 3180 wrote to memory of 4020 3180 f6cd0ead52f9c3f8b8d39d8adeb48014.exe 79 PID 3180 wrote to memory of 4020 3180 f6cd0ead52f9c3f8b8d39d8adeb48014.exe 79 PID 3180 wrote to memory of 4020 3180 f6cd0ead52f9c3f8b8d39d8adeb48014.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\f6cd0ead52f9c3f8b8d39d8adeb48014.exe"C:\Users\Admin\AppData\Local\Temp\f6cd0ead52f9c3f8b8d39d8adeb48014.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:632 -
C:\Users\Admin\AppData\Local\Temp\f6cd0ead52f9c3f8b8d39d8adeb48014.exe"C:\Users\Admin\AppData\Local\Temp\f6cd0ead52f9c3f8b8d39d8adeb48014.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3180 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:4020
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