Analysis
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max time kernel
144s -
max time network
113s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
15-01-2021 15:58
General
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Target
190223-01PY - COSMOS.exe
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Size
792KB
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MD5
c0c2ac3ac3b8a7af9f31aae937ea750c
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SHA1
ebf17014c15dfcab53f9a81edeb6f942c7efcbc4
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SHA256
28fa65d2b186492e5f1108e2bfa0b6babef6e12ae1dcfba019ee7065ee703caf
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SHA512
0f6ca77a7d02bfa5d6caf488a9a77bca3db0fed58bd35520c908d7ea1d9e682cab32733b6e65787ac7ba8aa2aba3afe8bebf82af618b24eff87bc1776d954e93
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
surelylogs2@yandex.ru - Password:
uzoma1989
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
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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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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
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\190223-01PY - COSMOS.exe"C:\Users\Admin\AppData\Local\Temp\190223-01PY - COSMOS.exe"1⤵
- 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\SYeQIKtqXCFG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp12AE.tmp"2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp12AE.tmpMD5
ecef4ebc4a0c9f5ce33e6c3e426e17ec
SHA109af2db00ae69eb534e4b152bbf3a8a27d562c8c
SHA256625018538509cdcca1ad978333d21d054b0fa33800891fcd61a98fb0a23f171a
SHA5122a631d86676c681e9b5e2e891943157976f18185ba3f608c83529b4b93cf17e59759d4a1a8766d4256784e79822334b961013460f77556aa2ee95d1a1f98f51f
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memory/4060-12-0x0000000000000000-mapping.dmp
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memory/4704-6-0x0000000005850000-0x0000000005851000-memory.dmpFilesize
4KB
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memory/4704-2-0x0000000073CE0000-0x00000000743CE000-memory.dmpFilesize
6.9MB
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memory/4704-7-0x00000000053F0000-0x00000000053F1000-memory.dmpFilesize
4KB
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memory/4704-8-0x0000000005390000-0x0000000005391000-memory.dmpFilesize
4KB
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memory/4704-9-0x00000000055F0000-0x00000000055F1000-memory.dmpFilesize
4KB
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memory/4704-10-0x00000000053D0000-0x00000000053E2000-memory.dmpFilesize
72KB
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memory/4704-11-0x00000000061C0000-0x0000000006235000-memory.dmpFilesize
468KB
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memory/4704-5-0x00000000052B0000-0x00000000052B1000-memory.dmpFilesize
4KB
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memory/4704-3-0x0000000000A10000-0x0000000000A11000-memory.dmpFilesize
4KB
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memory/4704-14-0x00000000069A0000-0x00000000069D7000-memory.dmpFilesize
220KB
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memory/4704-15-0x0000000006B20000-0x0000000006B21000-memory.dmpFilesize
4KB
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memory/4704-16-0x0000000006BB0000-0x0000000006BB1000-memory.dmpFilesize
4KB