agenttesla | 1d835ccaee0da78b01a8e8b1d738f195c8fc08ddcfa7da17223645a2bf47df04

General

Target
Packing List.exe
Size 470KB
Sample200817-hlzcmcefds
SHA256 1d835ccaee0da78b01a8e8b1d738f195c8fc08ddcfa7da17223645a2bf47df04
MD5 109f44025e9798675d4b73a53f3c266e
SHA1 a5cd6ff71ac73831a8c0c65a98b6235f5148d9f2
SHA512 3339041b161635c74e797458cd806844797e08e7616069140eeec4c7c6c968c75fcfffded0db66a546ccdfec04e6ce69b6160cd5259292b9e07e571add5f5a5b
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/1820-8-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1820-9-0x000000000044737E-mapping.dmp	family_agenttesla
behavioral1/memory/1820-10-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1820-11-0x0000000000400000-0x000000000044C000-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-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	Packing List.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1608 set thread context of 1820	1608	Packing List.exe	28

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
1936	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1820	Packing List.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1608	Packing List.exe
Token: SeDebugPrivilege	1820	Packing List.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 1936	1608	Packing List.exe	26
PID 1608 wrote to memory of 1936	1608	Packing List.exe	26
PID 1608 wrote to memory of 1936	1608	Packing List.exe	26
PID 1608 wrote to memory of 1936	1608	Packing List.exe	26
PID 1608 wrote to memory of 1820	1608	Packing List.exe	28
PID 1608 wrote to memory of 1820	1608	Packing List.exe	28
PID 1608 wrote to memory of 1820	1608	Packing List.exe	28
PID 1608 wrote to memory of 1820	1608	Packing List.exe	28
PID 1608 wrote to memory of 1820	1608	Packing List.exe	28
PID 1608 wrote to memory of 1820	1608	Packing List.exe	28
PID 1608 wrote to memory of 1820	1608	Packing List.exe	28
PID 1608 wrote to memory of 1820	1608	Packing List.exe	28
PID 1608 wrote to memory of 1820	1608	Packing List.exe	28

C:\Users\Admin\AppData\Local\Temp\Packing List.exe
"C:\Users\Admin\AppData\Local\Temp\Packing List.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VofGbcsZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp157.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1936
- C:\Users\Admin\AppData\Local\Temp\Packing List.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  PID:1820