agenttesla | 9bca070ab37ea78134d5e9a5203521570bddd110e8ea8a620b702c71ecd89d54

General

Target
RFQ-41845597.exe
Size 554KB
Sample211021-e8th2ahgg8
SHA256 9bca070ab37ea78134d5e9a5203521570bddd110e8ea8a620b702c71ecd89d54
MD5 03ebac4b300318683abedd76cdb7bde6
SHA1 b475b0079d963fc7198cbc12f4f3447ce95da352
SHA512 f9b68b6463872018f20f7fe39d94afe823bf5f47b188c90311c2f6e478822cac435fe7158307cfeb409b243d72d1e865cdc3024d6ca6461ea1bee4cc9d8a743e
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/3492-119-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3492-120-0x00000000004374AE-mapping.dmp	family_agenttesla

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

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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

Email Collection

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ-41845597.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ-41845597.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ-41845597.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1324 set thread context of 3492	1324	RFQ-41845597.exe	73

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
3952	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1324	RFQ-41845597.exe
Token: SeDebugPrivilege	3492	RFQ-41845597.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 3952	1324	RFQ-41845597.exe	69
PID 1324 wrote to memory of 3952	1324	RFQ-41845597.exe	69
PID 1324 wrote to memory of 3952	1324	RFQ-41845597.exe	69
PID 1324 wrote to memory of 3920	1324	RFQ-41845597.exe	71
PID 1324 wrote to memory of 3920	1324	RFQ-41845597.exe	71
PID 1324 wrote to memory of 3920	1324	RFQ-41845597.exe	71
PID 1324 wrote to memory of 3260	1324	RFQ-41845597.exe	72
PID 1324 wrote to memory of 3260	1324	RFQ-41845597.exe	72
PID 1324 wrote to memory of 3260	1324	RFQ-41845597.exe	72
PID 1324 wrote to memory of 3492	1324	RFQ-41845597.exe	73
PID 1324 wrote to memory of 3492	1324	RFQ-41845597.exe	73
PID 1324 wrote to memory of 3492	1324	RFQ-41845597.exe	73
PID 1324 wrote to memory of 3492	1324	RFQ-41845597.exe	73
PID 1324 wrote to memory of 3492	1324	RFQ-41845597.exe	73
PID 1324 wrote to memory of 3492	1324	RFQ-41845597.exe	73
PID 1324 wrote to memory of 3492	1324	RFQ-41845597.exe	73
PID 1324 wrote to memory of 3492	1324	RFQ-41845597.exe	73

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ-41845597.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ-41845597.exe

C:\Users\Admin\AppData\Local\Temp\RFQ-41845597.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ-41845597.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qLfHHhQPSUpA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4C38.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3952
- C:\Users\Admin\AppData\Local\Temp\RFQ-41845597.exe
  "{path}"
  2⤵
  PID:3920
- C:\Users\Admin\AppData\Local\Temp\RFQ-41845597.exe
  "{path}"
  2⤵
  PID:3260
- C:\Users\Admin\AppData\Local\Temp\RFQ-41845597.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3492