Analysis
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max time kernel
142s -
max time network
119s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
20-04-2021 14:26
Static task
static1
Behavioral task
behavioral1
Sample
apr.20.Product.Sample.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
apr.20.Product.Sample.exe
Resource
win10v20210408
General
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Target
apr.20.Product.Sample.exe
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Size
914KB
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MD5
54be59d38b7cd8b17b2a61dc223b9ba4
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SHA1
9f53e465983fef1d75c125f02f561eb367ffc7c3
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SHA256
00e029505f08409c263a00c64d9afb68ce25af2c87ce9aff7b8533b965294215
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SHA512
77f8f867d4a19be4c9a4ecfa26ac9baa67621d7217017164bf11f61635bd0363bb450d71f70b050223c89419ce001c9f77d0aa183dfd9899861abf179d1236c7
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://199.188.200.93/ - Port:
21 - Username:
oralogvj - Password:
BNHColCvgMdA
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/820-70-0x000000000043772E-mapping.dmp family_agenttesla behavioral1/memory/820-69-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/820-71-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
apr.20.Product.Sample.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts apr.20.Product.Sample.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
apr.20.Product.Sample.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\gqxRqe = "C:\\Users\\Admin\\AppData\\Roaming\\gqxRqe\\gqxRqe.exe" apr.20.Product.Sample.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
apr.20.Product.Sample.exedescription pid process target process PID 1684 set thread context of 820 1684 apr.20.Product.Sample.exe apr.20.Product.Sample.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 4 IoCs
Processes:
apr.20.Product.Sample.exeapr.20.Product.Sample.exepid process 1684 apr.20.Product.Sample.exe 1684 apr.20.Product.Sample.exe 820 apr.20.Product.Sample.exe 820 apr.20.Product.Sample.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
apr.20.Product.Sample.exeapr.20.Product.Sample.exedescription pid process Token: SeDebugPrivilege 1684 apr.20.Product.Sample.exe Token: SeDebugPrivilege 820 apr.20.Product.Sample.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
apr.20.Product.Sample.exedescription pid process target process PID 1684 wrote to memory of 304 1684 apr.20.Product.Sample.exe schtasks.exe PID 1684 wrote to memory of 304 1684 apr.20.Product.Sample.exe schtasks.exe PID 1684 wrote to memory of 304 1684 apr.20.Product.Sample.exe schtasks.exe PID 1684 wrote to memory of 304 1684 apr.20.Product.Sample.exe schtasks.exe PID 1684 wrote to memory of 820 1684 apr.20.Product.Sample.exe apr.20.Product.Sample.exe PID 1684 wrote to memory of 820 1684 apr.20.Product.Sample.exe apr.20.Product.Sample.exe PID 1684 wrote to memory of 820 1684 apr.20.Product.Sample.exe apr.20.Product.Sample.exe PID 1684 wrote to memory of 820 1684 apr.20.Product.Sample.exe apr.20.Product.Sample.exe PID 1684 wrote to memory of 820 1684 apr.20.Product.Sample.exe apr.20.Product.Sample.exe PID 1684 wrote to memory of 820 1684 apr.20.Product.Sample.exe apr.20.Product.Sample.exe PID 1684 wrote to memory of 820 1684 apr.20.Product.Sample.exe apr.20.Product.Sample.exe PID 1684 wrote to memory of 820 1684 apr.20.Product.Sample.exe apr.20.Product.Sample.exe PID 1684 wrote to memory of 820 1684 apr.20.Product.Sample.exe apr.20.Product.Sample.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\apr.20.Product.Sample.exe"C:\Users\Admin\AppData\Local\Temp\apr.20.Product.Sample.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zUTKSKQC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9D77.tmp"2⤵
- Creates scheduled task(s)
PID:304
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C:\Users\Admin\AppData\Local\Temp\apr.20.Product.Sample.exe"C:\Users\Admin\AppData\Local\Temp\apr.20.Product.Sample.exe"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:820
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
f36a2c223180174a6223363deebfbafe
SHA139c822cb13124a95d1a486fef18a5001c225c6db
SHA2565077125732d10825f0b507ce4608943da59b08ce4b83e93eec3b158eec76aa81
SHA512ba9c7abf0ea32735536e51bcbaaf5e956af101858fac6d46a7d2e64dcaea2a3cce07c1fbbc006e6cd7ccbd354547ba5b109bfe10a7a8d314038fb4fe14fb137f