Analysis
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max time kernel
134s -
max time network
14s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
26-02-2021 14:42
General
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Target
9a041438adec53ed9e8f6ed3b2eb709b.exe
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Size
661KB
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MD5
9a041438adec53ed9e8f6ed3b2eb709b
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SHA1
dbabb8cb2b96c4e4cc4006084ebd3918e48c5cfb
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SHA256
bb8889ec467fc276ee609b20f9f321dbd97b0bdba919bbf9e38f7d8d7517ed2b
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SHA512
4766bf1e508b0397f8b936a5a1b8fef2b63091f2b204953c32a4db4b80dd8624c77d58500f1b003bb0d888296d7156ce9ff5b0298843ee4b4501895e4c30cbe6
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.konokonozanzibar.com - Port:
587 - Username:
[email protected] - Password:
Kk20@All
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 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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Suspicious use of SetThreadContext 1 IoCs
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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 SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\9a041438adec53ed9e8f6ed3b2eb709b.exe"C:\Users\Admin\AppData\Local\Temp\9a041438adec53ed9e8f6ed3b2eb709b.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\evmcsxVj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9222.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\9a041438adec53ed9e8f6ed3b2eb709b.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp9222.tmpMD5
2af8ee541eece64e51c1ecc776414f72
SHA1d692244df7125735b6271c53fce24298bd3c5a78
SHA25677d7a1396464b35ddc062ba15764b1bb2b2f276d6c3bad0fbabe2c70ba9591b5
SHA51255337d4ab0d7ab6d4adb2e01c13be2aaa6e17721c19b90719ae2549432e7a2349b4478d20f28190d5f6a89dba509024e006217aa2bb2bc922de249e1d0dac093
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memory/872-12-0x00000000746F0000-0x0000000074DDE000-memory.dmpFilesize
6.9MB
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memory/872-10-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/872-11-0x000000000043760E-mapping.dmp
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memory/872-13-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/872-15-0x0000000000A20000-0x0000000000A21000-memory.dmpFilesize
4KB
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memory/872-16-0x0000000000A21000-0x0000000000A22000-memory.dmpFilesize
4KB
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memory/1568-8-0x0000000000000000-mapping.dmp
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memory/1640-5-0x0000000004550000-0x0000000004551000-memory.dmpFilesize
4KB
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memory/1640-6-0x0000000000480000-0x000000000048B000-memory.dmpFilesize
44KB
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memory/1640-7-0x0000000005010000-0x0000000005096000-memory.dmpFilesize
536KB
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memory/1640-3-0x0000000000F30000-0x0000000000F31000-memory.dmpFilesize
4KB
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memory/1640-2-0x00000000746F0000-0x0000000074DDE000-memory.dmpFilesize
6.9MB