Analysis
- max time kernel
149s - max time network
112s - platform
windows10_x64 - resource
win10v20201028 - submitted
05/12/2020, 15:27
Static task
static1
Behavioral task
behavioral1
Sample
INVOICE_(F46-13 ).exe
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
INVOICE_(F46-13 ).exe
Resource
win10v20201028
0 signatures
0 seconds
General
- Target INVOICE_(F46-13 ).exe
- Size 1.1MB
- Sample201205-jlwlgmsdwe
- SHA256 1d35fbe1961f63fcc426c5a332d5dfc93dd051ecdfd17ea47790f80f22171ce1
- MD5 19051a2ab285284f277ec3c35bf3784f
- SHA1 bf0c7dac253ef3a1229103066b6be4c5f87e4939
- SHA512 3f898dd4cc2640a7fdd453cc797bdc3591975336acaeecda1053e8ad47b8cbb970ad2e52bde05f548b12c36036cc87eab5cf7571d96fc74019520cecbd9dfc0b
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.transgear.in
-
Port
587
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Username
-
Password
purchase@2020*
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/3244-17-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral2/memory/3244-18-0x000000000043783E-mapping.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-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\lEmohP = "C:\\Users\\Admin\\AppData\\Roaming\\lEmohP\\lEmohP.exe" RegSvcs.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4648 set thread context of 3244 4648 INVOICE_(F46-13 ).exe 80 - 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 1880 schtasks.exe - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4648 INVOICE_(F46-13 ).exe 3244 RegSvcs.exe 3244 RegSvcs.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4648 INVOICE_(F46-13 ).exe Token: SeDebugPrivilege 3244 RegSvcs.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4648 wrote to memory of 1880 4648 INVOICE_(F46-13 ).exe 78 PID 4648 wrote to memory of 1880 4648 INVOICE_(F46-13 ).exe 78 PID 4648 wrote to memory of 1880 4648 INVOICE_(F46-13 ).exe 78 PID 4648 wrote to memory of 3244 4648 INVOICE_(F46-13 ).exe 80 PID 4648 wrote to memory of 3244 4648 INVOICE_(F46-13 ).exe 80 PID 4648 wrote to memory of 3244 4648 INVOICE_(F46-13 ).exe 80 PID 4648 wrote to memory of 3244 4648 INVOICE_(F46-13 ).exe 80 PID 4648 wrote to memory of 3244 4648 INVOICE_(F46-13 ).exe 80 PID 4648 wrote to memory of 3244 4648 INVOICE_(F46-13 ).exe 80 PID 4648 wrote to memory of 3244 4648 INVOICE_(F46-13 ).exe 80 PID 4648 wrote to memory of 3244 4648 INVOICE_(F46-13 ).exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\INVOICE_(F46-13 ).exe"C:\Users\Admin\AppData\Local\Temp\INVOICE_(F46-13 ).exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4648 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vHAbZda" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D1E.tmp"2⤵
- Creates scheduled task(s)
PID:1880
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3244
-