Analysis
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max time kernel
130s -
max time network
136s -
platform
windows7_x64 -
resource
win7 -
submitted
09-07-2020 13:47
Static task
static1
Behavioral task
behavioral1
Sample
image0056.exe
Resource
win7
Behavioral task
behavioral2
Sample
image0056.exe
Resource
win10v200430
General
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Target
image0056.exe
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Size
554KB
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MD5
cf30f1a4eb0d27d4cdab2c32329622fa
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SHA1
7c02023f6f01595aaf0fe6cbe3e5cf3f06c80b5d
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SHA256
feab2c3085065afaf7682bfb8fcfbca28ac3324132735d9e17ada750b9597e23
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SHA512
551aa6294adda3b40c91c9fe7d1c58656f74d21ebcb9dd2442c92770a562cabdba459dd3e1c275bf48e5472929ad631d538665f112c394a8d6944766fc504290
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.ociii.net - Port:
587 - Username:
[email protected] - Password:
yearofblockmoney5024
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/1572-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1572-5-0x0000000000446B2E-mapping.dmp family_agenttesla behavioral1/memory/1572-6-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1572-7-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
image0056.exedescription pid process target process PID 2040 set thread context of 1572 2040 image0056.exe image0056.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 3 IoCs
Processes:
image0056.exeimage0056.exepid process 2040 image0056.exe 1572 image0056.exe 1572 image0056.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
image0056.exeimage0056.exedescription pid process Token: SeDebugPrivilege 2040 image0056.exe Token: SeDebugPrivilege 1572 image0056.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
image0056.exedescription pid process target process PID 2040 wrote to memory of 1420 2040 image0056.exe schtasks.exe PID 2040 wrote to memory of 1420 2040 image0056.exe schtasks.exe PID 2040 wrote to memory of 1420 2040 image0056.exe schtasks.exe PID 2040 wrote to memory of 1420 2040 image0056.exe schtasks.exe PID 2040 wrote to memory of 1572 2040 image0056.exe image0056.exe PID 2040 wrote to memory of 1572 2040 image0056.exe image0056.exe PID 2040 wrote to memory of 1572 2040 image0056.exe image0056.exe PID 2040 wrote to memory of 1572 2040 image0056.exe image0056.exe PID 2040 wrote to memory of 1572 2040 image0056.exe image0056.exe PID 2040 wrote to memory of 1572 2040 image0056.exe image0056.exe PID 2040 wrote to memory of 1572 2040 image0056.exe image0056.exe PID 2040 wrote to memory of 1572 2040 image0056.exe image0056.exe PID 2040 wrote to memory of 1572 2040 image0056.exe image0056.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\image0056.exe"C:\Users\Admin\AppData\Local\Temp\image0056.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jFxJyvevQgUV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8BBB.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\image0056.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\tmp8BBB.tmpMD5
0e151956f1cad232991c58060c12da57
SHA1d0534ecc8bc8370643397ccdb6a416795a62d56a
SHA2563542cff69c6e6d24432085ccf47529928d9460bde4e9acd38992c9ae67addf07
SHA512142bfb786426bc567b94733c49237a014d3c21f641111f2f5edc80fec4c462868067e106a50117308451beba287985f9d0344be3323946ef53910a04a328c4e3
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memory/1420-2-0x0000000000000000-mapping.dmp
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memory/1572-4-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1572-5-0x0000000000446B2E-mapping.dmp
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memory/1572-6-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1572-7-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/2040-1-0x0000000000000000-0x0000000000000000-disk.dmp