Analysis
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max time kernel
88s -
max time network
90s -
platform
windows7_x64 -
resource
win7 -
submitted
09/07/2020, 07:28
Static task
static1
Behavioral task
behavioral1
Sample
The details for your perusal.exe
Resource
win7
Behavioral task
behavioral2
Sample
The details for your perusal.exe
Resource
win10v200430
General
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Target
The details for your perusal.exe
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Size
558KB
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MD5
35f7b91f31292e3c9a4d187e9a4bd4b6
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SHA1
00cf753c6fc011df51acf181cb6e79dc31f35171
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SHA256
7d3068aff051388b3332905ca9a26a10a1cd96441e3be9d908cd839088cc9d65
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SHA512
0b03a1f9efeb651a4f527d66d84572bad7fbb9a4379169910a2674fe54a2d1b19a36dc34cb54d71aa0c8a09b44035f6dd917041f17353e1d81dc31e62bc37bd9
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.emailsrvr.com - Port:
587 - Username:
[email protected] - Password:
31081985@
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/1664-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1664-5-0x0000000000446BDE-mapping.dmp family_agenttesla behavioral1/memory/1664-6-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1664-7-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 896 set thread context of 1664 896 The details for your perusal.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 1052 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1664 RegSvcs.exe 1664 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1664 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 896 wrote to memory of 1052 896 The details for your perusal.exe 24 PID 896 wrote to memory of 1052 896 The details for your perusal.exe 24 PID 896 wrote to memory of 1052 896 The details for your perusal.exe 24 PID 896 wrote to memory of 1052 896 The details for your perusal.exe 24 PID 896 wrote to memory of 1664 896 The details for your perusal.exe 26 PID 896 wrote to memory of 1664 896 The details for your perusal.exe 26 PID 896 wrote to memory of 1664 896 The details for your perusal.exe 26 PID 896 wrote to memory of 1664 896 The details for your perusal.exe 26 PID 896 wrote to memory of 1664 896 The details for your perusal.exe 26 PID 896 wrote to memory of 1664 896 The details for your perusal.exe 26 PID 896 wrote to memory of 1664 896 The details for your perusal.exe 26 PID 896 wrote to memory of 1664 896 The details for your perusal.exe 26 PID 896 wrote to memory of 1664 896 The details for your perusal.exe 26 PID 896 wrote to memory of 1664 896 The details for your perusal.exe 26 PID 896 wrote to memory of 1664 896 The details for your perusal.exe 26 PID 896 wrote to memory of 1664 896 The details for your perusal.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\The details for your perusal.exe"C:\Users\Admin\AppData\Local\Temp\The details for your perusal.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:896 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YwOAaYLhO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB00C.tmp"2⤵
- Creates scheduled task(s)
PID:1052
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1664
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