Analysis
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max time kernel
150s -
max time network
155s -
platform
windows7_x64 -
resource
win7-en-20211014 -
submitted
18-10-2021 11:33
General
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Target
[Schedule_&_Booking__18th_oct.exe
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Size
525KB
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MD5
4114e15de65a9ec4b8eacc3ef60804bb
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SHA1
eb450264abe3b3ed70167f267cb974ea13d60260
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SHA256
d81e35754aa34fb2fd0b850b4f1d8080a64a8408623303d3a8abecea5b0a30de
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SHA512
256e27521a7008896808a798222025769a00aa155148e843a959c969bb9b7e369a4d57f5d1605fe4c1d1f0704c675df638eea032f602c51d1fb78e2af8e6805c
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.mail.ru - Port:
587 - Username:
[email protected] - Password:
PxhrKDkvikRcSaP2dkv9
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Modifies Windows Defender Real-time Protection settings 3 TTPs
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Quasar RAT
Quasar is an open source Remote Access Tool.
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VenomRAT
VenomRAT is a modified version of QuasarRAT with some added features, such as rootkit and stealer capabilites.
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suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
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AgentTesla Payload 6 IoCs
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Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
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Loads dropped DLL 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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Windows security modification 2 TTPs 2 IoCs
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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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 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 7 IoCs
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Suspicious use of AdjustPrivilegeToken 6 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 29 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\[Schedule_&_Booking__18th_oct.exe"C:\Users\Admin\AppData\Local\Temp\[Schedule_&_Booking__18th_oct.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\[Schedule_&_Booking__18th_oct.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\swqpSTZh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBA1B.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\[Schedule_&_Booking__18th_oct.exe"C:\Users\Admin\AppData\Local\Temp\[Schedule_&_Booking__18th_oct.exe"2⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Users\Admin\AppData\Local\Temp\apps.exe"C:\Users\Admin\AppData\Local\Temp\apps.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\apps.exe"4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kCCzCqEnSxl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1F15.tmp"4⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\apps.exe"C:\Users\Admin\AppData\Local\Temp\apps.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\SubDir\winrara.exe"C:\Users\Admin\AppData\Roaming\SubDir\winrara.exe"5⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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MD5
1b465c6989637df1d5c511919c43e457
SHA1317f8bf5133176cd0f4125c6f2f0fdfc226754ab
SHA2560b196e6b27ed15410bd946b1ccfd1de6b7af64a540cd0226b8eb9bd742d1b095
SHA512e9dfd465ee22ebf67a73fdd873440d73f013b064e2a4aff3aedad2c5bd1b3027284af7912a383ad6c0a91ef8caad2b3c69cdfd29edb638563d89fd7e89e114dc
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MD5
1b465c6989637df1d5c511919c43e457
SHA1317f8bf5133176cd0f4125c6f2f0fdfc226754ab
SHA2560b196e6b27ed15410bd946b1ccfd1de6b7af64a540cd0226b8eb9bd742d1b095
SHA512e9dfd465ee22ebf67a73fdd873440d73f013b064e2a4aff3aedad2c5bd1b3027284af7912a383ad6c0a91ef8caad2b3c69cdfd29edb638563d89fd7e89e114dc
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MD5
1b465c6989637df1d5c511919c43e457
SHA1317f8bf5133176cd0f4125c6f2f0fdfc226754ab
SHA2560b196e6b27ed15410bd946b1ccfd1de6b7af64a540cd0226b8eb9bd742d1b095
SHA512e9dfd465ee22ebf67a73fdd873440d73f013b064e2a4aff3aedad2c5bd1b3027284af7912a383ad6c0a91ef8caad2b3c69cdfd29edb638563d89fd7e89e114dc
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MD5
8bcd43e5cbc49784ccb6b9c4fa96b4fc
SHA12c47d3831102881b193f19910bac1b532088ec3f
SHA256e3806ea6fef06a63d4dab5a3d422bc1dae6b1526e8eb76ddf066085f300fe6bc
SHA5124b95cbee2356d0f250b42578d491611226aae3b733ed28e7a3d114bf192a4eec1ae664d1082e4d500f66a4310a096603979c3e483834f6717cbedc8e05f9a523
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MD5
eee16aafc61d60204a672d14d5504c68
SHA16b7a7771dfb6c655ab331428a237f02d6b766458
SHA25604d179b73c8a67214b931b8ea92d76895155eb038f0a5ee8ee8f7c83392221d9
SHA51221fa2a789e43a824878f6048262b315005f7c63a35378ebf17edbcdb5e1b1a9f8ac958a3220b9440bcea33d12f78ec451c11cd7bcceb1bead0fafc92d0585dbc
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MD5
1b465c6989637df1d5c511919c43e457
SHA1317f8bf5133176cd0f4125c6f2f0fdfc226754ab
SHA2560b196e6b27ed15410bd946b1ccfd1de6b7af64a540cd0226b8eb9bd742d1b095
SHA512e9dfd465ee22ebf67a73fdd873440d73f013b064e2a4aff3aedad2c5bd1b3027284af7912a383ad6c0a91ef8caad2b3c69cdfd29edb638563d89fd7e89e114dc
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MD5
1b465c6989637df1d5c511919c43e457
SHA1317f8bf5133176cd0f4125c6f2f0fdfc226754ab
SHA2560b196e6b27ed15410bd946b1ccfd1de6b7af64a540cd0226b8eb9bd742d1b095
SHA512e9dfd465ee22ebf67a73fdd873440d73f013b064e2a4aff3aedad2c5bd1b3027284af7912a383ad6c0a91ef8caad2b3c69cdfd29edb638563d89fd7e89e114dc
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MD5
1b465c6989637df1d5c511919c43e457
SHA1317f8bf5133176cd0f4125c6f2f0fdfc226754ab
SHA2560b196e6b27ed15410bd946b1ccfd1de6b7af64a540cd0226b8eb9bd742d1b095
SHA512e9dfd465ee22ebf67a73fdd873440d73f013b064e2a4aff3aedad2c5bd1b3027284af7912a383ad6c0a91ef8caad2b3c69cdfd29edb638563d89fd7e89e114dc
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MD5
1b465c6989637df1d5c511919c43e457
SHA1317f8bf5133176cd0f4125c6f2f0fdfc226754ab
SHA2560b196e6b27ed15410bd946b1ccfd1de6b7af64a540cd0226b8eb9bd742d1b095
SHA512e9dfd465ee22ebf67a73fdd873440d73f013b064e2a4aff3aedad2c5bd1b3027284af7912a383ad6c0a91ef8caad2b3c69cdfd29edb638563d89fd7e89e114dc
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MD5
1b465c6989637df1d5c511919c43e457
SHA1317f8bf5133176cd0f4125c6f2f0fdfc226754ab
SHA2560b196e6b27ed15410bd946b1ccfd1de6b7af64a540cd0226b8eb9bd742d1b095
SHA512e9dfd465ee22ebf67a73fdd873440d73f013b064e2a4aff3aedad2c5bd1b3027284af7912a383ad6c0a91ef8caad2b3c69cdfd29edb638563d89fd7e89e114dc
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Filesize
240KB
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Filesize
240KB
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Filesize
240KB
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Filesize
240KB
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Filesize
4KB
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Filesize
240KB
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Filesize
4KB
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Filesize
240KB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
4KB
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Filesize
8KB
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-
Filesize
8KB
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Filesize
4KB
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Filesize
12.3MB
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Filesize
12.3MB
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Filesize
12.3MB
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-
Filesize
4KB
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Filesize
4KB
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Filesize
356KB
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Filesize
32KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
8KB