Analysis
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max time kernel
144s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
26-01-2021 19:36
Static task
static1
Behavioral task
behavioral1
Sample
para.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
para.exe
Resource
win10v20201028
General
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Target
para.exe
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Size
928KB
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MD5
80b51e872031a2befeb9a0a13e6fc480
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SHA1
caebbab5349f57d92182ce56ef4bf71ea60226a7
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SHA256
708e198608b5b463224c3fb77fcf708b845d0c7b5dbc6e9cab9e185c489be089
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SHA512
12e9db89be76788d238f8a7f3114534b50b953b9ef619f84b0a124fba77f5e7d4aa00ae8f6ac3fdb16ecd1398950d6bdadfa43e9ec59b6d59667df5ac3d60879
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.godforeu.com - Port:
587 - Username:
[email protected] - Password:
O8k#Pz4sk:w_
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/3248-15-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3248-16-0x00000000004374CE-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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Suspicious use of SetThreadContext 1 IoCs
Processes:
para.exedescription pid process target process PID 1908 set thread context of 3248 1908 para.exe para.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 7 IoCs
Processes:
para.exepara.exepid process 1908 para.exe 1908 para.exe 1908 para.exe 1908 para.exe 1908 para.exe 3248 para.exe 3248 para.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
para.exepara.exedescription pid process Token: SeDebugPrivilege 1908 para.exe Token: SeDebugPrivilege 3248 para.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
para.exedescription pid process target process PID 1908 wrote to memory of 1584 1908 para.exe schtasks.exe PID 1908 wrote to memory of 1584 1908 para.exe schtasks.exe PID 1908 wrote to memory of 1584 1908 para.exe schtasks.exe PID 1908 wrote to memory of 3368 1908 para.exe para.exe PID 1908 wrote to memory of 3368 1908 para.exe para.exe PID 1908 wrote to memory of 3368 1908 para.exe para.exe PID 1908 wrote to memory of 3096 1908 para.exe para.exe PID 1908 wrote to memory of 3096 1908 para.exe para.exe PID 1908 wrote to memory of 3096 1908 para.exe para.exe PID 1908 wrote to memory of 3248 1908 para.exe para.exe PID 1908 wrote to memory of 3248 1908 para.exe para.exe PID 1908 wrote to memory of 3248 1908 para.exe para.exe PID 1908 wrote to memory of 3248 1908 para.exe para.exe PID 1908 wrote to memory of 3248 1908 para.exe para.exe PID 1908 wrote to memory of 3248 1908 para.exe para.exe PID 1908 wrote to memory of 3248 1908 para.exe para.exe PID 1908 wrote to memory of 3248 1908 para.exe para.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\para.exe"C:\Users\Admin\AppData\Local\Temp\para.exe"1⤵
- 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\neHneiobyhcrJJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8DA.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\para.exe"C:\Users\Admin\AppData\Local\Temp\para.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\para.exe"C:\Users\Admin\AppData\Local\Temp\para.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\para.exe"C:\Users\Admin\AppData\Local\Temp\para.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\para.exe.logMD5
90acfd72f14a512712b1a7380c0faf60
SHA140ba4accb8faa75887e84fb8e38d598dc8cf0f12
SHA25620806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86
SHA51229dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9
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C:\Users\Admin\AppData\Local\Temp\tmp8DA.tmpMD5
d2d541a70d66c95f33175840645703bd
SHA1e53744315c3a46fbc642a1902decc8d9e1b5f644
SHA256c29e6aef546e5f2978b9d639bd6b3b8685ad21e5de84d16f1d1a35b78c4f0d55
SHA51210c06520751ac64efb0688a5c8bd4fec4e95f664ca3972e84b632a802680d3d472f7ab0de8085073016931527d52013733686b2241d3a19d6b6f87d26062fa10
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memory/1584-13-0x0000000000000000-mapping.dmp
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memory/1908-8-0x0000000004FE0000-0x0000000004FE1000-memory.dmpFilesize
4KB
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memory/1908-3-0x00000000006E0000-0x00000000006E1000-memory.dmpFilesize
4KB
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memory/1908-2-0x0000000073920000-0x000000007400E000-memory.dmpFilesize
6.9MB
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memory/1908-9-0x00000000052F0000-0x00000000052F1000-memory.dmpFilesize
4KB
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memory/1908-10-0x0000000005030000-0x0000000005033000-memory.dmpFilesize
12KB
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memory/1908-11-0x00000000052E0000-0x00000000052E1000-memory.dmpFilesize
4KB
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memory/1908-12-0x0000000005EA0000-0x0000000005F0B000-memory.dmpFilesize
428KB
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memory/1908-6-0x00000000055F0000-0x00000000055F1000-memory.dmpFilesize
4KB
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memory/1908-5-0x0000000005050000-0x0000000005051000-memory.dmpFilesize
4KB
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memory/1908-7-0x00000000050F0000-0x00000000050F1000-memory.dmpFilesize
4KB
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memory/3248-15-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/3248-16-0x00000000004374CE-mapping.dmp
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memory/3248-18-0x0000000073920000-0x000000007400E000-memory.dmpFilesize
6.9MB
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memory/3248-23-0x0000000004F00000-0x0000000004F01000-memory.dmpFilesize
4KB
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memory/3248-24-0x0000000004F10000-0x0000000004F11000-memory.dmpFilesize
4KB
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memory/3248-25-0x0000000005B40000-0x0000000005B41000-memory.dmpFilesize
4KB
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memory/3248-28-0x0000000004F01000-0x0000000004F02000-memory.dmpFilesize
4KB