Analysis
- max time kernel
130s - max time network
11s - platform
windows7_x64 - resource
win7v20201028 - submitted
26/03/2021, 15:13
Static task
static1
Behavioral task
behavioral1
Sample
20ba9bdd96824f66bd2ebc613656353b.exe
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
20ba9bdd96824f66bd2ebc613656353b.exe
Resource
win10v20201028
0 signatures
0 seconds
General
- Target 20ba9bdd96824f66bd2ebc613656353b.exe
- Size 973KB
- Sample210326-ev5eg7d1px
- SHA256 0533e896717fa4ff365579e940b16d3e0543ccd319f4cee76c9ab71999a669b6
- MD5 20ba9bdd96824f66bd2ebc613656353b
- SHA1 5cbc85c3a844531acc0d3cb0eb40105b991acb09
- SHA512 c2d1d7c7cd7b012cf48904559a7d1fd6d2b6f5283d1ca547746ff70ed95f9372cf1a62248870dbf064799854df906fd8271736a8f3590037e2d888d2ed82f5d3
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
smtpout.secureserver.net
-
Port
587
-
Username
-
Password
password@123
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
resource yara_rule behavioral1/memory/784-10-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/784-11-0x000000000043767E-mapping.dmp family_agenttesla behavioral1/memory/784-13-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe" 20ba9bdd96824f66bd2ebc613656353b.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 384 set thread context of 784 384 20ba9bdd96824f66bd2ebc613656353b.exe 31 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 728 schtasks.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 384 20ba9bdd96824f66bd2ebc613656353b.exe 784 20ba9bdd96824f66bd2ebc613656353b.exe 784 20ba9bdd96824f66bd2ebc613656353b.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 384 20ba9bdd96824f66bd2ebc613656353b.exe Token: SeDebugPrivilege 784 20ba9bdd96824f66bd2ebc613656353b.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 384 wrote to memory of 728 384 20ba9bdd96824f66bd2ebc613656353b.exe 29 PID 384 wrote to memory of 728 384 20ba9bdd96824f66bd2ebc613656353b.exe 29 PID 384 wrote to memory of 728 384 20ba9bdd96824f66bd2ebc613656353b.exe 29 PID 384 wrote to memory of 728 384 20ba9bdd96824f66bd2ebc613656353b.exe 29 PID 384 wrote to memory of 784 384 20ba9bdd96824f66bd2ebc613656353b.exe 31 PID 384 wrote to memory of 784 384 20ba9bdd96824f66bd2ebc613656353b.exe 31 PID 384 wrote to memory of 784 384 20ba9bdd96824f66bd2ebc613656353b.exe 31 PID 384 wrote to memory of 784 384 20ba9bdd96824f66bd2ebc613656353b.exe 31 PID 384 wrote to memory of 784 384 20ba9bdd96824f66bd2ebc613656353b.exe 31 PID 384 wrote to memory of 784 384 20ba9bdd96824f66bd2ebc613656353b.exe 31 PID 384 wrote to memory of 784 384 20ba9bdd96824f66bd2ebc613656353b.exe 31 PID 384 wrote to memory of 784 384 20ba9bdd96824f66bd2ebc613656353b.exe 31 PID 384 wrote to memory of 784 384 20ba9bdd96824f66bd2ebc613656353b.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\20ba9bdd96824f66bd2ebc613656353b.exe"C:\Users\Admin\AppData\Local\Temp\20ba9bdd96824f66bd2ebc613656353b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:384 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bscRcnzoEb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE4D3.tmp"2⤵
- Creates scheduled task(s)
PID:728
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C:\Users\Admin\AppData\Local\Temp\20ba9bdd96824f66bd2ebc613656353b.exe"C:\Users\Admin\AppData\Local\Temp\20ba9bdd96824f66bd2ebc613656353b.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:784
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