Analysis
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max time kernel
124s -
max time network
50s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2023 10:21
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe
Resource
win7-20231130-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe
Resource
win10v2004-20231130-en
General
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Target
SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe
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Size
682KB
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MD5
4a11aed7d263252807bf7f008d26d011
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SHA1
788f417460c624fba149ef89072330b0eb9e3fda
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SHA256
71e5c4006ab60a5e9e6830c1eab07c23f018cd443cf5998f0ed89976eeb15abb
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SHA512
6fa8a62aabac5f4d6836ca195a53b75a8aefd6441adffe043786db89f1ab98c2583fe69e0129e7fe77407181db8f536a747f4e18207d8092773ee28ff29d90a2
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SSDEEP
12288:/+ueH5qK1FRofCUva0ghfx/Bk8Wnpb4KVMQyanTvPGl6fzeO3MUUi:KqK90PAfVBk8Op1VZvPGlmzV3M
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.amtechcards.com - Port:
587 - Username:
[email protected] - Password:
]i[a(tUWlmp% - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1791582586-1997866593-3795608343-1000\Control Panel\International\Geo\Nation SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1791582586-1997866593-3795608343-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\oIjuwq = "C:\\Users\\Admin\\AppData\\Roaming\\oIjuwq\\oIjuwq.exe" RegSvcs.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exedescription pid process target process PID 2640 set thread context of 3060 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4172 3060 WerFault.exe RegSvcs.exe -
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
Processes:
SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exepowershell.exeRegSvcs.exepid process 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe 2056 powershell.exe 3060 RegSvcs.exe 3060 RegSvcs.exe 2056 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exepowershell.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe Token: SeDebugPrivilege 2056 powershell.exe Token: SeDebugPrivilege 3060 RegSvcs.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exedescription pid process target process PID 2640 wrote to memory of 2056 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe powershell.exe PID 2640 wrote to memory of 2056 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe powershell.exe PID 2640 wrote to memory of 2056 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe powershell.exe PID 2640 wrote to memory of 3868 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe schtasks.exe PID 2640 wrote to memory of 3868 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe schtasks.exe PID 2640 wrote to memory of 3868 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe schtasks.exe PID 2640 wrote to memory of 3060 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe RegSvcs.exe PID 2640 wrote to memory of 3060 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe RegSvcs.exe PID 2640 wrote to memory of 3060 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe RegSvcs.exe PID 2640 wrote to memory of 3060 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe RegSvcs.exe PID 2640 wrote to memory of 3060 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe RegSvcs.exe PID 2640 wrote to memory of 3060 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe RegSvcs.exe PID 2640 wrote to memory of 3060 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe RegSvcs.exe PID 2640 wrote to memory of 3060 2640 SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MulDropNET.68.27594.6697.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UPfFpn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp80C9.tmp"2⤵
- Creates scheduled task(s)
PID:3868 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UPfFpn.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2056 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3060 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 18563⤵
- Program crash
PID:4172
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3060 -ip 30601⤵PID:2032
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD516f429c27163377b4a209cbb92cca6cd
SHA1950e7a5689c4e73f0f88b6743778162454cb3ae1
SHA256a261560baa5a511b107bcbda38b6e4fadbe8ea899c7db7d15c17f19d51f501f7
SHA51251616853ae9a91ac57007aa9e59438150d7345c7819b86455b5eaf0d6447c66afc43f8a66f423cb031dc48d16fba748849b6f568df75ca268d91642abc78e13b