Analysis
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max time kernel
112s -
max time network
119s -
platform
windows7_x64 -
resource
win7 -
submitted
07-07-2020 06:34
Static task
static1
Behavioral task
behavioral1
Sample
TT_copy.exe
Resource
win7
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
TT_copy.exe
Resource
win10v200430
0 signatures
0 seconds
General
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Target
TT_copy.exe
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Size
561KB
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MD5
3596dca21b1e41c2cd233d18195cea13
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SHA1
7e58382e71064bd5d7ecac40b0e6a3b95d32d5cc
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SHA256
441efa986321eb0bdac9d133478f98a11dea6ff3a85af1c9c145a6049cb33cb6
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SHA512
f8b645a7a68ab1f491afd0483447a0731ae79bb85999f421cee46a7c5de50fd53e48a3b50936303b809edaa70a773e7431bed0731527dbcc79c2fa3e2dac7939
Malware Config
Extracted
Family
agenttesla
Credentials
Protocol: smtp- Host:
mail.mdist.us - Port:
587 - Username:
[email protected] - Password:
Receiving#4321
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/1080-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1080-3-0x000000000044712E-mapping.dmp family_agenttesla behavioral1/memory/1080-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1080-5-0x0000000000400000-0x000000000044C000-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\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 896 set thread context of 1080 896 TT_copy.exe 24 -
Modifies registry key 1 TTPs 1 IoCs
pid Process 1572 REG.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1080 RegSvcs.exe 1080 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1080 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 896 wrote to memory of 1080 896 TT_copy.exe 24 PID 896 wrote to memory of 1080 896 TT_copy.exe 24 PID 896 wrote to memory of 1080 896 TT_copy.exe 24 PID 896 wrote to memory of 1080 896 TT_copy.exe 24 PID 896 wrote to memory of 1080 896 TT_copy.exe 24 PID 896 wrote to memory of 1080 896 TT_copy.exe 24 PID 896 wrote to memory of 1080 896 TT_copy.exe 24 PID 896 wrote to memory of 1080 896 TT_copy.exe 24 PID 896 wrote to memory of 1080 896 TT_copy.exe 24 PID 896 wrote to memory of 1080 896 TT_copy.exe 24 PID 896 wrote to memory of 1080 896 TT_copy.exe 24 PID 896 wrote to memory of 1080 896 TT_copy.exe 24 PID 1080 wrote to memory of 1572 1080 RegSvcs.exe 28 PID 1080 wrote to memory of 1572 1080 RegSvcs.exe 28 PID 1080 wrote to memory of 1572 1080 RegSvcs.exe 28 PID 1080 wrote to memory of 1572 1080 RegSvcs.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\TT_copy.exe"C:\Users\Admin\AppData\Local\Temp\TT_copy.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:896 -
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:1080 -
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:1572
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