Analysis
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max time kernel
114s -
max time network
121s -
platform
windows7_x64 -
resource
win7 -
submitted
13-07-2020 14:35
Static task
static1
Behavioral task
behavioral1
Sample
new shipment.exe
Resource
win7
Behavioral task
behavioral2
Sample
new shipment.exe
Resource
win10v200430
General
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Target
new shipment.exe
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Size
538KB
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MD5
3a1635fd14ff9c17c0f65b8c393b9739
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SHA1
1f6e011d27ab1bbcfb5d57494610327bcf889aeb
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SHA256
e016bfbd170c4b15789abf7fa2ba30bec2bd785e2ec9b9fc759722833ed88a87
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SHA512
c37644c6b1ae9bd046d3a98733cd357051d632d926d408fbfc9a327668442b328be0aa5f56de5ebb416d772a1109c45f86aff90ab20c70bea3fd2641913f2211
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.aquariuslogistics.com - Port:
587 - Username:
[email protected] - 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 4 IoCs
resource yara_rule behavioral1/memory/1160-4-0x0000000000400000-0x0000000000474000-memory.dmp family_agenttesla behavioral1/memory/1160-5-0x00000000004472EE-mapping.dmp family_agenttesla behavioral1/memory/1160-6-0x0000000000400000-0x0000000000474000-memory.dmp family_agenttesla behavioral1/memory/1160-7-0x0000000000400000-0x0000000000474000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\sLbGMVN = "C:\\Users\\Admin\\AppData\\Roaming\\sLbGMVN\\sLbGMVN.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1344 set thread context of 1160 1344 new shipment.exe 26 -
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.
pid Process 340 schtasks.exe -
Modifies registry key 1 TTPs 1 IoCs
pid Process 1908 REG.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1160 RegSvcs.exe 1160 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1160 RegSvcs.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1344 wrote to memory of 340 1344 new shipment.exe 24 PID 1344 wrote to memory of 340 1344 new shipment.exe 24 PID 1344 wrote to memory of 340 1344 new shipment.exe 24 PID 1344 wrote to memory of 340 1344 new shipment.exe 24 PID 1344 wrote to memory of 1160 1344 new shipment.exe 26 PID 1344 wrote to memory of 1160 1344 new shipment.exe 26 PID 1344 wrote to memory of 1160 1344 new shipment.exe 26 PID 1344 wrote to memory of 1160 1344 new shipment.exe 26 PID 1344 wrote to memory of 1160 1344 new shipment.exe 26 PID 1344 wrote to memory of 1160 1344 new shipment.exe 26 PID 1344 wrote to memory of 1160 1344 new shipment.exe 26 PID 1344 wrote to memory of 1160 1344 new shipment.exe 26 PID 1344 wrote to memory of 1160 1344 new shipment.exe 26 PID 1344 wrote to memory of 1160 1344 new shipment.exe 26 PID 1344 wrote to memory of 1160 1344 new shipment.exe 26 PID 1344 wrote to memory of 1160 1344 new shipment.exe 26 PID 1160 wrote to memory of 1908 1160 RegSvcs.exe 30 PID 1160 wrote to memory of 1908 1160 RegSvcs.exe 30 PID 1160 wrote to memory of 1908 1160 RegSvcs.exe 30 PID 1160 wrote to memory of 1908 1160 RegSvcs.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\new shipment.exe"C:\Users\Admin\AppData\Local\Temp\new shipment.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1344 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LvUfBoWgxd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAC26.tmp"2⤵
- Creates scheduled task(s)
PID:340
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1160 -
C:\Windows\SysWOW64\REG.exeREG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f3⤵
- Modifies registry key
PID:1908
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