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
Processes:
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
Processes:
The details for your perusal.exedescription pid process target process PID 896 set thread context of 1664 896 The details for your perusal.exe RegSvcs.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 2 IoCs
Processes:
RegSvcs.exepid process 1664 RegSvcs.exe 1664 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegSvcs.exedescription pid process Token: SeDebugPrivilege 1664 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
The details for your perusal.exedescription pid process target process PID 896 wrote to memory of 1052 896 The details for your perusal.exe schtasks.exe PID 896 wrote to memory of 1052 896 The details for your perusal.exe schtasks.exe PID 896 wrote to memory of 1052 896 The details for your perusal.exe schtasks.exe PID 896 wrote to memory of 1052 896 The details for your perusal.exe schtasks.exe PID 896 wrote to memory of 1664 896 The details for your perusal.exe RegSvcs.exe PID 896 wrote to memory of 1664 896 The details for your perusal.exe RegSvcs.exe PID 896 wrote to memory of 1664 896 The details for your perusal.exe RegSvcs.exe PID 896 wrote to memory of 1664 896 The details for your perusal.exe RegSvcs.exe PID 896 wrote to memory of 1664 896 The details for your perusal.exe RegSvcs.exe PID 896 wrote to memory of 1664 896 The details for your perusal.exe RegSvcs.exe PID 896 wrote to memory of 1664 896 The details for your perusal.exe RegSvcs.exe PID 896 wrote to memory of 1664 896 The details for your perusal.exe RegSvcs.exe PID 896 wrote to memory of 1664 896 The details for your perusal.exe RegSvcs.exe PID 896 wrote to memory of 1664 896 The details for your perusal.exe RegSvcs.exe PID 896 wrote to memory of 1664 896 The details for your perusal.exe RegSvcs.exe PID 896 wrote to memory of 1664 896 The details for your perusal.exe RegSvcs.exe
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
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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)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpB00C.tmpMD5
ac094d1f9c58bb8945a03ba941abceac
SHA166138d6be81652c28142570240a64400043014a3
SHA2562f88cf73892a99edb31e5120c6909587760c4499486545974a578926663d7db6
SHA512dbfdfa70698ee522d59c80ea37045b2f683b73660fcfe8445b7268ec20cd2c23369086b3a8fc9b449484e54fa8cfad772f99fcaea8994e72daf022f28b5d7b80
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memory/896-1-0x0000000000000000-0x0000000000000000-disk.dmp
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memory/1052-2-0x0000000000000000-mapping.dmp
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memory/1664-4-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1664-5-0x0000000000446BDE-mapping.dmp
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memory/1664-6-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1664-7-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB