Analysis
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max time kernel
112s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 12:14
General
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Target
New-Order_1591158608495.pdf.exe
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Size
576KB
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MD5
044c08bc06afcfee4ef1cd2a5e954f1b
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SHA1
0bde6f8697530bb9338d0428f4cda4f4ecb9b064
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SHA256
9edf6d5c0fb37d58053e7b45411d16cc1c63d806d139139e06bc8a2dab4626d8
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SHA512
20d64d5a04aeea776c13f879e96b79b3f54a63d1c04bf3b631afa0b06dad797ff07d81d742240b79806e812195f2995ac7f9d8255df3137596546f1c8d2e2295
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.aquariuslogistics.com - Port:
587 - Username:
ajay@aquariuslogistics.com - Password:
AQL@2019#$
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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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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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Program crash 1 IoCs
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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 6 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 11 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\New-Order_1591158608495.pdf.exe"C:\Users\Admin\AppData\Local\Temp\New-Order_1591158608495.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\pUvphd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D18.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 16043⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3552 -ip 35521⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp3D18.tmpFilesize
1KB
MD5b9a9c4f6022999f08e5b380f41a64a58
SHA113657c75d0fdd3f9bb4f55f14cc222a7c1b6ba5f
SHA25675468da21dabd8b584bc96037a07e1db6d7ed20a07db74b829cd20a31e730e67
SHA5120c95976c1e04df2bb5df42c0ad28eefdd5fe92b2afb72f15afbfd02aa039e071e7ac74634dab3654ae650ba4e2de43fada9f8366295399608b352b403b924d38
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memory/3552-137-0x0000000000000000-mapping.dmp
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memory/3552-138-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/3552-139-0x0000000005E50000-0x0000000005EB6000-memory.dmpFilesize
408KB
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memory/3552-140-0x0000000006CF0000-0x0000000006D40000-memory.dmpFilesize
320KB
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memory/3848-135-0x0000000000000000-mapping.dmp
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memory/4556-130-0x0000000000290000-0x0000000000326000-memory.dmpFilesize
600KB
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memory/4556-131-0x00000000053A0000-0x0000000005944000-memory.dmpFilesize
5.6MB
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memory/4556-132-0x0000000004F90000-0x0000000005022000-memory.dmpFilesize
584KB
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memory/4556-133-0x0000000004F50000-0x0000000004F5A000-memory.dmpFilesize
40KB
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memory/4556-134-0x0000000008CA0000-0x0000000008D3C000-memory.dmpFilesize
624KB