agenttesla | f6e159f0e6c27e334d951dd08dff7819878b7ac4318b5dcd1a2d9975062ab8d1

General

Target

RFQ-004282A.Teknolojileri A.S.exe
Size

599KB
MD5

6ea849b727eea7b7487aa0941258f8bd
SHA1

6fca473e6498bde1b015e95fd612d156727a19fc
SHA256

f6e159f0e6c27e334d951dd08dff7819878b7ac4318b5dcd1a2d9975062ab8d1
SHA512

23442f983e18788f2ac5f3e4839fcbf4252964c50b0363798718b50f20129df73f9fa9d9df5407b5a18f2cb18c97bddc9dd66a5e3dc35dc0b43536090272a91a
SSDEEP

12288:5yDylIzYVQVHLgGiV3zkkvaB/FXPD02tdbNkrIGd7F0oS4M+3+xe:5jsVrTiV3wddr02TbNM7Oo3M4

Score

10^/10

agenttesla discovery evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.ercolina-usa.com
Port:
21
Username:
[email protected]
Password:
nXe0M~WkW&nJ

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.ercolina-usa.com
Port:
21
Username:
[email protected]
Password:
nXe0M~WkW&nJ

Signatures

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

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	RFQ-004282A.Teknolojileri A.S.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2744	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	CasPol.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RFQ-004282A.Teknolojileri A.S.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	RFQ-004282A.Teknolojileri A.S.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2848 set thread context of 2772	2848	RFQ-004282A.Teknolojileri A.S.exe	33

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CasPol.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2744	powershell.exe
2772	CasPol.exe
2772	CasPol.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	powershell.exe
Token: SeDebugPrivilege	2772	CasPol.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2772	CasPol.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2744	2848	RFQ-004282A.Teknolojileri A.S.exe	31
PID 2848 wrote to memory of 2744	2848	RFQ-004282A.Teknolojileri A.S.exe	31
PID 2848 wrote to memory of 2744	2848	RFQ-004282A.Teknolojileri A.S.exe	31
PID 2848 wrote to memory of 2772	2848	RFQ-004282A.Teknolojileri A.S.exe	33
PID 2848 wrote to memory of 2772	2848	RFQ-004282A.Teknolojileri A.S.exe	33
PID 2848 wrote to memory of 2772	2848	RFQ-004282A.Teknolojileri A.S.exe	33
PID 2848 wrote to memory of 2772	2848	RFQ-004282A.Teknolojileri A.S.exe	33
PID 2848 wrote to memory of 2772	2848	RFQ-004282A.Teknolojileri A.S.exe	33
PID 2848 wrote to memory of 2772	2848	RFQ-004282A.Teknolojileri A.S.exe	33
PID 2848 wrote to memory of 2772	2848	RFQ-004282A.Teknolojileri A.S.exe	33
PID 2848 wrote to memory of 2772	2848	RFQ-004282A.Teknolojileri A.S.exe	33
PID 2848 wrote to memory of 2772	2848	RFQ-004282A.Teknolojileri A.S.exe	33
PID 2848 wrote to memory of 2864	2848	RFQ-004282A.Teknolojileri A.S.exe	34
PID 2848 wrote to memory of 2864	2848	RFQ-004282A.Teknolojileri A.S.exe	34
PID 2848 wrote to memory of 2864	2848	RFQ-004282A.Teknolojileri A.S.exe	34

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	RFQ-004282A.Teknolojileri A.S.exe

C:\Users\Admin\AppData\Local\Temp\RFQ-004282A.Teknolojileri A.S.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ-004282A.Teknolojileri A.S.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2848
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RFQ-004282A.Teknolojileri A.S.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2744
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2772
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2848 -s 804
  2⤵
  PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2744-21-0x000000001B5A0000-0x000000001B882000-memory.dmp

Filesize
2.9MB

Download
memory/2744-8-0x0000000002C60000-0x0000000002CE0000-memory.dmp

Filesize
512KB

Download
memory/2744-22-0x0000000002A60000-0x0000000002A68000-memory.dmp

Filesize
32KB

Download
memory/2772-18-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2772-9-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2772-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2772-19-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2772-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-15-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2772-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2772-20-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2848-0-0x000007FEF5E13000-0x000007FEF5E14000-memory.dmp

Filesize
4KB

Download
memory/2848-1-0x0000000001180000-0x0000000001188000-memory.dmp

Filesize
32KB

Download
memory/2848-3-0x0000000000700000-0x0000000000796000-memory.dmp

Filesize
600KB

Download
memory/2848-2-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

Filesize
9.9MB

Download
memory/2848-25-0x000007FEF5E10000-0x000007FEF67FC000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads