agenttesla | 3b91f298cfdb9541f0d548a38576e37012c645926ab3383d21677087c107b52f

General

Target
New Iquiry.exe
Size 552KB
Sample200716-llvfswgdvs
SHA256 3b91f298cfdb9541f0d548a38576e37012c645926ab3383d21677087c107b52f
MD5 1393fb7819f6038dba4822d3fa0b34da
SHA1 4b7fbce0e12551ba62702fd1a20041caa9fc8575
SHA512 a72801f079a939d09f14b8e761c44c35e2ab8a91fc40caeb32e3200382b08f3a8ee148989ba9fd05fb05c5c77c5874fa8402524be35fa71a8b7427232abdf90c
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 4 IoCs

resource	yara_rule
behavioral1/memory/1632-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1632-5-0x0000000000446F9E-mapping.dmp	family_agenttesla
behavioral1/memory/1632-6-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1632-7-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	New Iquiry.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1060 set thread context of 1632	1060	New Iquiry.exe	26

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
1452	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1632	New Iquiry.exe
1632	New Iquiry.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1632	New Iquiry.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1632	New Iquiry.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 1452	1060	New Iquiry.exe	24
PID 1060 wrote to memory of 1452	1060	New Iquiry.exe	24
PID 1060 wrote to memory of 1452	1060	New Iquiry.exe	24
PID 1060 wrote to memory of 1452	1060	New Iquiry.exe	24
PID 1060 wrote to memory of 1632	1060	New Iquiry.exe	26
PID 1060 wrote to memory of 1632	1060	New Iquiry.exe	26
PID 1060 wrote to memory of 1632	1060	New Iquiry.exe	26
PID 1060 wrote to memory of 1632	1060	New Iquiry.exe	26
PID 1060 wrote to memory of 1632	1060	New Iquiry.exe	26
PID 1060 wrote to memory of 1632	1060	New Iquiry.exe	26
PID 1060 wrote to memory of 1632	1060	New Iquiry.exe	26
PID 1060 wrote to memory of 1632	1060	New Iquiry.exe	26
PID 1060 wrote to memory of 1632	1060	New Iquiry.exe	26

C:\Users\Admin\AppData\Local\Temp\New Iquiry.exe
"C:\Users\Admin\AppData\Local\Temp\New Iquiry.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1060
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zlVUPSLwQlNjN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9645.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1452
- C:\Users\Admin\AppData\Local\Temp\New Iquiry.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  PID:1632