Malware Analysis Report

2025-06-16 07:10

Sample ID 240602-bhe16sde5s
Target 5c340f4ea2c37e9fbde26ec997989653563952b4dcfff6990fb1ab0a5301443b
SHA256 5c340f4ea2c37e9fbde26ec997989653563952b4dcfff6990fb1ab0a5301443b
Tags
agenttesla keylogger spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

5c340f4ea2c37e9fbde26ec997989653563952b4dcfff6990fb1ab0a5301443b

Threat Level: Known bad

The file 5c340f4ea2c37e9fbde26ec997989653563952b4dcfff6990fb1ab0a5301443b was found to be: Known bad.

Malicious Activity Summary

agenttesla keylogger spyware stealer trojan

AgentTesla

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-02 01:08

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-02 01:08

Reported

2024-06-02 01:10

Platform

win7-20240220-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2184 set thread context of 2520 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2184 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2184 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2184 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2184 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2184 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2184 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2184 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2184 wrote to memory of 2948 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
PID 2184 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2184 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2184 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2184 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2184 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2184 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2184 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2184 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2184 wrote to memory of 2520 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2184 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2184 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2184 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
PID 2184 wrote to memory of 2620 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe

"C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"

Network

N/A

Files

memory/2184-0-0x000007FEF5433000-0x000007FEF5434000-memory.dmp

memory/2184-1-0x00000000001A0000-0x00000000001AA000-memory.dmp

memory/2184-2-0x000007FEF5430000-0x000007FEF5E1C000-memory.dmp

memory/2184-3-0x000000001B1E0000-0x000000001B274000-memory.dmp

memory/2948-10-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2948-8-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2948-6-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2948-4-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2184-27-0x000007FEF5430000-0x000007FEF5E1C000-memory.dmp

memory/2520-26-0x000000007413E000-0x000000007413F000-memory.dmp

memory/2520-23-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2520-22-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2520-28-0x0000000074130000-0x000000007481E000-memory.dmp

memory/2520-25-0x0000000000400000-0x0000000000440000-memory.dmp

memory/2520-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2520-29-0x000000007413E000-0x000000007413F000-memory.dmp

memory/2520-30-0x0000000074130000-0x000000007481E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 01:08

Reported

2024-06-02 01:11

Platform

win10v2004-20240426-en

Max time kernel

150s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3980 set thread context of 3540 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3980 wrote to memory of 3540 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 3980 wrote to memory of 3540 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 3980 wrote to memory of 3540 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 3980 wrote to memory of 3540 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 3980 wrote to memory of 3540 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 3980 wrote to memory of 3540 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 3980 wrote to memory of 3540 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 3980 wrote to memory of 3540 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 3980 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 3980 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
PID 3980 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe

Processes

C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe

"C:\Users\Admin\AppData\Local\Temp\YapiKrediInternetBankaciligi_Dekont_20240531_266_40240020.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 137.71.105.51.in-addr.arpa udp

Files

memory/3980-1-0x00007FFC538A3000-0x00007FFC538A5000-memory.dmp

memory/3980-0-0x0000024135590000-0x000002413559A000-memory.dmp

memory/3980-3-0x00007FFC538A0000-0x00007FFC54361000-memory.dmp

memory/3980-2-0x000002414FD30000-0x000002414FDC4000-memory.dmp

memory/3540-4-0x0000000000400000-0x0000000000440000-memory.dmp

memory/3540-6-0x00000000055C0000-0x0000000005B64000-memory.dmp

memory/3540-5-0x00000000750CE000-0x00000000750CF000-memory.dmp

memory/3540-7-0x0000000005190000-0x00000000051F6000-memory.dmp

memory/3540-8-0x00000000750C0000-0x0000000075870000-memory.dmp

memory/3980-9-0x00007FFC538A0000-0x00007FFC54361000-memory.dmp

memory/3540-10-0x0000000005F40000-0x0000000005F90000-memory.dmp

memory/3540-11-0x0000000006030000-0x00000000060C2000-memory.dmp

memory/3540-12-0x00000000061D0000-0x00000000061DA000-memory.dmp

memory/3540-13-0x00000000750CE000-0x00000000750CF000-memory.dmp

memory/3540-14-0x00000000750C0000-0x0000000075870000-memory.dmp