agenttesla | e72dc89990c2d78a89001f901515aa56c0c5da2c3d85fff3ca3ea2c1123b95c1

General

Target
FPDA.exe
Size 819KB
Sample200710-jcrstr8922
SHA256 e72dc89990c2d78a89001f901515aa56c0c5da2c3d85fff3ca3ea2c1123b95c1
MD5 33e04f77535409fde4def28f58b2bb98
SHA1 0acc003299cf639dfadee2725826bac215f9acaa
SHA512 9b41b5f6ce69374362fe360db071c293e1f4da34e822f99e782670401d8a515074f1f66d30fc74cfc55d381f9c4c6e79496d2652acb7cb2976443a54e8bee202
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/1912-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1912-5-0x00000000004473EE-mapping.dmp	family_agenttesla
behavioral1/memory/1912-6-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1912-7-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	FPDA.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-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\TkvuX = "C:\\Users\\Admin\\AppData\\Roaming\\TkvuX\\TkvuX.exe"	FPDA.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1516 set thread context of 1912	1516	FPDA.exe	27

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
1848	schtasks.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

pid	Process
1396	REG.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1516	FPDA.exe
Token: SeDebugPrivilege	1912	FPDA.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 1848	1516	FPDA.exe	24
PID 1516 wrote to memory of 1848	1516	FPDA.exe	24
PID 1516 wrote to memory of 1848	1516	FPDA.exe	24
PID 1516 wrote to memory of 1848	1516	FPDA.exe	24
PID 1516 wrote to memory of 1896	1516	FPDA.exe	26
PID 1516 wrote to memory of 1896	1516	FPDA.exe	26
PID 1516 wrote to memory of 1896	1516	FPDA.exe	26
PID 1516 wrote to memory of 1896	1516	FPDA.exe	26
PID 1516 wrote to memory of 1912	1516	FPDA.exe	27
PID 1516 wrote to memory of 1912	1516	FPDA.exe	27
PID 1516 wrote to memory of 1912	1516	FPDA.exe	27
PID 1516 wrote to memory of 1912	1516	FPDA.exe	27
PID 1516 wrote to memory of 1912	1516	FPDA.exe	27
PID 1516 wrote to memory of 1912	1516	FPDA.exe	27
PID 1516 wrote to memory of 1912	1516	FPDA.exe	27
PID 1516 wrote to memory of 1912	1516	FPDA.exe	27
PID 1516 wrote to memory of 1912	1516	FPDA.exe	27
PID 1912 wrote to memory of 1396	1912	FPDA.exe	31
PID 1912 wrote to memory of 1396	1912	FPDA.exe	31
PID 1912 wrote to memory of 1396	1912	FPDA.exe	31
PID 1912 wrote to memory of 1396	1912	FPDA.exe	31

C:\Users\Admin\AppData\Local\Temp\FPDA.exe
"C:\Users\Admin\AppData\Local\Temp\FPDA.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ORLRqFWlhcZuXm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA8AD.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1848
- C:\Users\Admin\AppData\Local\Temp\FPDA.exe
  "{path}"
  2⤵
  PID:1896
- C:\Users\Admin\AppData\Local\Temp\FPDA.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1912
- - C:\Windows\SysWOW64\REG.exe
    REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
    3⤵
    - Modifies registry key
    PID:1396