Analysis
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max time kernel
128s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20220718-en -
resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system -
submitted
01-08-2022 08:17
Static task
static1
Behavioral task
behavioral1
Sample
E1418893649007.PDF.exe
Resource
win7-20220718-en
General
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Target
E1418893649007.PDF.exe
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Size
1.1MB
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MD5
21491189acd58edf2ffcc5829abbb7a6
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SHA1
97439584bd72e0ea470085983cf18a02581b76b4
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SHA256
712e38d6f7ec0cb09be6fea727a3748b2de1c7c8286b33bb227f68dca34b6073
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SHA512
0f0cb57475a5ba07f00c8993febec95cb953b4d1b5f13229db9463e81e4cf584d15b8b1d58a3ffafb459baf0b67dda46efdb445b128ed0470784faef6b8cd716
Malware Config
Extracted
Protocol: ftp- Host:
ftp.trambaohanhelectroluxhn.com - Port:
21 - Username:
LOGGSS2022@suachuaduongongnuoc.net - Password:
Wn5b%iX[O%95
Signatures
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NirSoft MailPassView 11 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/1496-68-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/1496-70-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/1496-72-0x0000000000480C1E-mapping.dmp MailPassView behavioral1/memory/1496-71-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/1496-74-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/1496-76-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/992-81-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/992-80-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/992-87-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/992-93-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/992-94-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 10 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/1496-68-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/1496-70-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/1496-72-0x0000000000480C1E-mapping.dmp WebBrowserPassView behavioral1/memory/1496-71-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/1496-74-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/1496-76-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/1216-82-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1216-84-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1216-89-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1216-91-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 15 IoCs
Processes:
resource yara_rule behavioral1/memory/1496-68-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/1496-70-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/1496-72-0x0000000000480C1E-mapping.dmp Nirsoft behavioral1/memory/1496-71-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/1496-74-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/1496-76-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/992-81-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/992-80-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1216-82-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1216-84-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/992-87-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1216-89-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1216-91-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/992-93-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/992-94-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 whatismyipaddress.com 6 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
E1418893649007.PDF.exeE1418893649007.PDF.exedescription pid process target process PID 1800 set thread context of 1496 1800 E1418893649007.PDF.exe E1418893649007.PDF.exe PID 1496 set thread context of 992 1496 E1418893649007.PDF.exe vbc.exe PID 1496 set thread context of 1216 1496 E1418893649007.PDF.exe vbc.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 2 IoCs
Processes:
powershell.exeE1418893649007.PDF.exepid process 1124 powershell.exe 1496 E1418893649007.PDF.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeE1418893649007.PDF.exedescription pid process Token: SeDebugPrivilege 1124 powershell.exe Token: SeDebugPrivilege 1496 E1418893649007.PDF.exe -
Suspicious use of WriteProcessMemory 37 IoCs
Processes:
E1418893649007.PDF.exeE1418893649007.PDF.exedescription pid process target process PID 1800 wrote to memory of 1124 1800 E1418893649007.PDF.exe powershell.exe PID 1800 wrote to memory of 1124 1800 E1418893649007.PDF.exe powershell.exe PID 1800 wrote to memory of 1124 1800 E1418893649007.PDF.exe powershell.exe PID 1800 wrote to memory of 1124 1800 E1418893649007.PDF.exe powershell.exe PID 1800 wrote to memory of 2016 1800 E1418893649007.PDF.exe schtasks.exe PID 1800 wrote to memory of 2016 1800 E1418893649007.PDF.exe schtasks.exe PID 1800 wrote to memory of 2016 1800 E1418893649007.PDF.exe schtasks.exe PID 1800 wrote to memory of 2016 1800 E1418893649007.PDF.exe schtasks.exe PID 1800 wrote to memory of 1496 1800 E1418893649007.PDF.exe E1418893649007.PDF.exe PID 1800 wrote to memory of 1496 1800 E1418893649007.PDF.exe E1418893649007.PDF.exe PID 1800 wrote to memory of 1496 1800 E1418893649007.PDF.exe E1418893649007.PDF.exe PID 1800 wrote to memory of 1496 1800 E1418893649007.PDF.exe E1418893649007.PDF.exe PID 1800 wrote to memory of 1496 1800 E1418893649007.PDF.exe E1418893649007.PDF.exe PID 1800 wrote to memory of 1496 1800 E1418893649007.PDF.exe E1418893649007.PDF.exe PID 1800 wrote to memory of 1496 1800 E1418893649007.PDF.exe E1418893649007.PDF.exe PID 1800 wrote to memory of 1496 1800 E1418893649007.PDF.exe E1418893649007.PDF.exe PID 1800 wrote to memory of 1496 1800 E1418893649007.PDF.exe E1418893649007.PDF.exe PID 1496 wrote to memory of 992 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 992 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 992 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 992 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 1216 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 1216 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 1216 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 1216 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 992 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 992 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 992 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 992 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 992 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 992 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 1216 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 1216 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 1216 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 1216 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 1216 1496 E1418893649007.PDF.exe vbc.exe PID 1496 wrote to memory of 1216 1496 E1418893649007.PDF.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\E1418893649007.PDF.exe"C:\Users\Admin\AppData\Local\Temp\E1418893649007.PDF.exe"1⤵
- Suspicious use of SetThreadContext
- 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\Roaming\QqCeeJqNyu.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\QqCeeJqNyu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE476.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\E1418893649007.PDF.exe"C:\Users\Admin\AppData\Local\Temp\E1418893649007.PDF.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"3⤵
- Accesses Microsoft Outlook accounts
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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C:\Users\Admin\AppData\Local\Temp\tmpE476.tmpFilesize
1KB
MD5c81467b0ae7832f65e3034881b330347
SHA1f7aef9b9246150e5dc52bfbdcb0ac914a54fac59
SHA25683533c9291c1f30bc302c75287536605a8f65d6c102bbe63acc5efb3e32e0fc1
SHA512caf17a75cb1d377f7aea1f2b563e7f254104d37833b738c1881085826ded242679cdfdb1dfe501c5aa9f4235f059607a93523e7c154e4aaddedad3be563d2650
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memory/992-80-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/992-81-0x0000000000411654-mapping.dmp
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memory/992-94-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/992-93-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/992-87-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/1124-59-0x0000000000000000-mapping.dmp
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memory/1124-63-0x000000006EAB0000-0x000000006F05B000-memory.dmpFilesize
5.7MB
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memory/1124-78-0x000000006EAB0000-0x000000006F05B000-memory.dmpFilesize
5.7MB
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memory/1216-91-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1216-89-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1216-84-0x0000000000442628-mapping.dmp
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memory/1216-82-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/1496-65-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/1496-66-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/1496-74-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/1496-76-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/1496-70-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/1496-79-0x0000000000770000-0x0000000000778000-memory.dmpFilesize
32KB
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memory/1496-72-0x0000000000480C1E-mapping.dmp
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memory/1496-92-0x0000000004F75000-0x0000000004F86000-memory.dmpFilesize
68KB
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memory/1496-68-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/1496-71-0x0000000000400000-0x0000000000488000-memory.dmpFilesize
544KB
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memory/1800-57-0x00000000007B0000-0x00000000007BA000-memory.dmpFilesize
40KB
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memory/1800-64-0x000000000A7F0000-0x000000000A87A000-memory.dmpFilesize
552KB
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memory/1800-55-0x0000000076291000-0x0000000076293000-memory.dmpFilesize
8KB
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memory/1800-56-0x0000000000600000-0x0000000000616000-memory.dmpFilesize
88KB
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memory/1800-54-0x0000000000C80000-0x0000000000D98000-memory.dmpFilesize
1.1MB
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memory/1800-58-0x000000000A510000-0x000000000A5E2000-memory.dmpFilesize
840KB
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memory/2016-60-0x0000000000000000-mapping.dmp