agenttesla | 4e99e7494741c7207f949ee918cc4f8c292d18b8120d335beeecf3ab2bb8d42d

General

Target
Payment Advice_PDF.cab.exe
Size 868KB
Sample200916-m3gd2wap96
SHA256 4e99e7494741c7207f949ee918cc4f8c292d18b8120d335beeecf3ab2bb8d42d
MD5 3dbe16ea7a72882785d8a7bb2b01059e
SHA1 5d14406528eff90b4706130508581d5bc37f60d5
SHA512 90986026895051ff35c5aace214331a2418dc43fb690626e5444ce5dd09885f1104e564fb2b064ec7ac55d2e7629da8430c84de4e5e441211c5edcac93a9d113
MD5 SHA1 SHA512

Score

10^/10

Family

Credentials

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/3432-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3432-12-0x00000000004374BE-mapping.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Payment Advice_PDF.cab.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1400429095-533421673-2598934218-1000\Software\Microsoft\Windows\CurrentVersion\Run\WCPCe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\WCPCe\\WCPCe.exe"	Payment Advice_PDF.cab.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3288 set thread context of 3432	3288	Payment Advice_PDF.cab.exe	79

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

Scheduled Task

pid	Process
4008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3288	Payment Advice_PDF.cab.exe
Token: SeDebugPrivilege	3432	Payment Advice_PDF.cab.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3288 wrote to memory of 4008	3288	Payment Advice_PDF.cab.exe	75
PID 3288 wrote to memory of 4008	3288	Payment Advice_PDF.cab.exe	75
PID 3288 wrote to memory of 4008	3288	Payment Advice_PDF.cab.exe	75
PID 3288 wrote to memory of 3452	3288	Payment Advice_PDF.cab.exe	77
PID 3288 wrote to memory of 3452	3288	Payment Advice_PDF.cab.exe	77
PID 3288 wrote to memory of 3452	3288	Payment Advice_PDF.cab.exe	77
PID 3288 wrote to memory of 3428	3288	Payment Advice_PDF.cab.exe	78
PID 3288 wrote to memory of 3428	3288	Payment Advice_PDF.cab.exe	78
PID 3288 wrote to memory of 3428	3288	Payment Advice_PDF.cab.exe	78
PID 3288 wrote to memory of 3432	3288	Payment Advice_PDF.cab.exe	79
PID 3288 wrote to memory of 3432	3288	Payment Advice_PDF.cab.exe	79
PID 3288 wrote to memory of 3432	3288	Payment Advice_PDF.cab.exe	79
PID 3288 wrote to memory of 3432	3288	Payment Advice_PDF.cab.exe	79
PID 3288 wrote to memory of 3432	3288	Payment Advice_PDF.cab.exe	79
PID 3288 wrote to memory of 3432	3288	Payment Advice_PDF.cab.exe	79
PID 3288 wrote to memory of 3432	3288	Payment Advice_PDF.cab.exe	79
PID 3288 wrote to memory of 3432	3288	Payment Advice_PDF.cab.exe	79

C:\Users\Admin\AppData\Local\Temp\Payment Advice_PDF.cab.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Advice_PDF.cab.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3288
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zVuZdddqxKbk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6216.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4008
- C:\Users\Admin\AppData\Local\Temp\Payment Advice_PDF.cab.exe
  "{path}"
  2⤵
  PID:3452
- C:\Users\Admin\AppData\Local\Temp\Payment Advice_PDF.cab.exe
  "{path}"
  2⤵
  PID:3428
- C:\Users\Admin\AppData\Local\Temp\Payment Advice_PDF.cab.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3432