Analysis
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max time kernel
67s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 12:00
Behavioral task
behavioral1
Sample
INVOICE..exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
INVOICE..exe
Resource
win10v2004-20220414-en
General
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Target
INVOICE..exe
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Size
512KB
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MD5
c7b589b2c0ee8d2012007bf390786745
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SHA1
b7d88731a5d9993772693715a713a15c48c33316
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SHA256
229082e6470957bbc79991b39d292de7465999a94311c23fc0c2c03035ae42c3
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SHA512
cc051b504a0837b5d18023361aece8b6ff5532a1f5f9a224aa587a2521ee4a4cad8e02591bd97358e79598f255e4e322066da45363af488fdd97bd00c1f15eb9
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
midnapore@mpjewellers.com - Password:
mpjw2013
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
Processes:
resource yara_rule behavioral1/memory/1100-56-0x0000000000520000-0x0000000000528000-memory.dmp coreentity -
SnakeBOT
SnakeBOT is a heavily obfuscated .NET downloader.
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AgentTesla Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1988-61-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/1988-62-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/1988-63-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/1988-64-0x000000000044AB1E-mapping.dmp family_agenttesla behavioral1/memory/1988-68-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/1988-66-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla -
Contains SnakeBOT related strings 1 IoCs
Processes:
resource yara_rule behavioral1/memory/1100-54-0x0000000000B80000-0x0000000000C0A000-memory.dmp snakebot_strings -
ReZer0 packer 1 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
Processes:
resource yara_rule behavioral1/memory/1100-57-0x0000000007360000-0x00000000073B6000-memory.dmp rezer0 -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
INVOICE..exedescription pid process target process PID 1100 set thread context of 1988 1100 INVOICE..exe RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegSvcs.exepid process 1988 RegSvcs.exe 1988 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
INVOICE..exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 1100 INVOICE..exe Token: SeDebugPrivilege 1988 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
INVOICE..exeRegSvcs.exepid process 1100 INVOICE..exe 1100 INVOICE..exe 1988 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
INVOICE..exeRegSvcs.exedescription pid process target process PID 1100 wrote to memory of 1988 1100 INVOICE..exe RegSvcs.exe PID 1100 wrote to memory of 1988 1100 INVOICE..exe RegSvcs.exe PID 1100 wrote to memory of 1988 1100 INVOICE..exe RegSvcs.exe PID 1100 wrote to memory of 1988 1100 INVOICE..exe RegSvcs.exe PID 1100 wrote to memory of 1988 1100 INVOICE..exe RegSvcs.exe PID 1100 wrote to memory of 1988 1100 INVOICE..exe RegSvcs.exe PID 1100 wrote to memory of 1988 1100 INVOICE..exe RegSvcs.exe PID 1100 wrote to memory of 1988 1100 INVOICE..exe RegSvcs.exe PID 1100 wrote to memory of 1988 1100 INVOICE..exe RegSvcs.exe PID 1100 wrote to memory of 1988 1100 INVOICE..exe RegSvcs.exe PID 1100 wrote to memory of 1988 1100 INVOICE..exe RegSvcs.exe PID 1100 wrote to memory of 1988 1100 INVOICE..exe RegSvcs.exe PID 1988 wrote to memory of 1920 1988 RegSvcs.exe netsh.exe PID 1988 wrote to memory of 1920 1988 RegSvcs.exe netsh.exe PID 1988 wrote to memory of 1920 1988 RegSvcs.exe netsh.exe PID 1988 wrote to memory of 1920 1988 RegSvcs.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\INVOICE..exe"C:\Users\Admin\AppData\Local\Temp\INVOICE..exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- 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:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1100-54-0x0000000000B80000-0x0000000000C0A000-memory.dmpFilesize
552KB
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memory/1100-55-0x0000000074B51000-0x0000000074B53000-memory.dmpFilesize
8KB
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memory/1100-56-0x0000000000520000-0x0000000000528000-memory.dmpFilesize
32KB
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memory/1100-57-0x0000000007360000-0x00000000073B6000-memory.dmpFilesize
344KB
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memory/1920-70-0x0000000000000000-mapping.dmp
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memory/1988-61-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/1988-59-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/1988-62-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/1988-63-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/1988-64-0x000000000044AB1E-mapping.dmp
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memory/1988-68-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/1988-66-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB
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memory/1988-58-0x0000000000400000-0x0000000000450000-memory.dmpFilesize
320KB