agenttesla | b63b505b768508a72c04a1f59bd6315f556b3e5907461af4e94be6ef6cc280ba

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06/02/2025, 11:41

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General

Target
mkpqinNsdyZVA15.exe
Size 835KB
Sample250206-nthyestnbx
SHA256 3f700fd41c6cca501d50cc2f62afd8e0d951efc1a918aa65ab3e84ee563ff1d6
MD5 f62d1961cd64ed1d99fb35129798b5a8
SHA1 4e703101ed8a3ca458b8d9ce734a8586dc4c2e3e
SHA512 c9b418bd15fd87a75bff39724a6c095c39e4a4141fe1ae5dea7d1388be3cabaabdc3f9a7f544718ac47310f8cabef294aed3f18af29df95f6174883a3001bf72
SSDEEP 12288:wC3OQctOxxVOR2RAuu4byk6Wbg9Fo3V2TiE3gklk7NL8d+N44TKXg:HLccG2R7ek6uVYz3gklkpL9KUKX
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.pgsu.co.id
Port
587
Username
[email protected]
Password
Vecls16@Vezs
Email to
[email protected]

Signatures

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

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
2832	powershell.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1948 set thread context of 2928	1948	mkpqinNsdyZVA15.exe	35

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 4 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	mkpqinNsdyZVA15.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mkpqinNsdyZVA15.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2920	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2928	mkpqinNsdyZVA15.exe
2928	mkpqinNsdyZVA15.exe
2832	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2928	mkpqinNsdyZVA15.exe
Token: SeDebugPrivilege	2832	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2928	mkpqinNsdyZVA15.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2832	1948	mkpqinNsdyZVA15.exe	31
PID 1948 wrote to memory of 2832	1948	mkpqinNsdyZVA15.exe	31
PID 1948 wrote to memory of 2832	1948	mkpqinNsdyZVA15.exe	31
PID 1948 wrote to memory of 2832	1948	mkpqinNsdyZVA15.exe	31
PID 1948 wrote to memory of 2920	1948	mkpqinNsdyZVA15.exe	33
PID 1948 wrote to memory of 2920	1948	mkpqinNsdyZVA15.exe	33
PID 1948 wrote to memory of 2920	1948	mkpqinNsdyZVA15.exe	33
PID 1948 wrote to memory of 2920	1948	mkpqinNsdyZVA15.exe	33
PID 1948 wrote to memory of 2928	1948	mkpqinNsdyZVA15.exe	35
PID 1948 wrote to memory of 2928	1948	mkpqinNsdyZVA15.exe	35
PID 1948 wrote to memory of 2928	1948	mkpqinNsdyZVA15.exe	35
PID 1948 wrote to memory of 2928	1948	mkpqinNsdyZVA15.exe	35
PID 1948 wrote to memory of 2928	1948	mkpqinNsdyZVA15.exe	35
PID 1948 wrote to memory of 2928	1948	mkpqinNsdyZVA15.exe	35
PID 1948 wrote to memory of 2928	1948	mkpqinNsdyZVA15.exe	35
PID 1948 wrote to memory of 2928	1948	mkpqinNsdyZVA15.exe	35
PID 1948 wrote to memory of 2928	1948	mkpqinNsdyZVA15.exe	35

C:\Users\Admin\AppData\Local\Temp\mkpqinNsdyZVA15.exe
"C:\Users\Admin\AppData\Local\Temp\mkpqinNsdyZVA15.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wSssDImNr.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2832
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wSssDImNr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDA19.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2920
- C:\Users\Admin\AppData\Local\Temp\mkpqinNsdyZVA15.exe
  "C:\Users\Admin\AppData\Local\Temp\mkpqinNsdyZVA15.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

tmpDA19.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpDA19.tmp
Size 1KB
SHA256 596f59237403b8ccb2ded53b5f2b4331f2ed49765db78bb67415bd79188bc845
MD5 1e083bbc28ebadad99e9a50b307f1809
SHA1 79778dc99472c76a28d1316bd3adb7470f604cc2
SHA512 28268a985ee42cfb05a25b08514cc5396351014bf2bc87064b13995f1f67d4075c6c73e887cc52ffc0fab3fd2bb15fa9e62a64f36d842d2dc996f026ec4ffa94
MD5 SHA1 SHA512

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memory/1948-5-0x0000000073FF0000-0x00000000746DE000-memory.dmp

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memory/1948-30-0x0000000073FF0000-0x00000000746DE000-memory.dmp

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memory/1948-3-0x0000000000500000-0x0000000000518000-memory.dmp

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memory/1948-1-0x0000000001170000-0x0000000001248000-memory.dmp

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memory/1948-0-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

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memory/1948-7-0x0000000000540000-0x0000000000554000-memory.dmp

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memory/1948-6-0x0000000000530000-0x000000000053E000-memory.dmp

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memory/1948-8-0x0000000005070000-0x00000000050FC000-memory.dmp

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memory/1948-2-0x0000000073FF0000-0x00000000746DE000-memory.dmp

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memory/1948-9-0x0000000000950000-0x00000000009D2000-memory.dmp

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memory/1948-4-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

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memory/2928-29-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2928-27-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2928-26-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2928-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/2928-23-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2928-21-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2928-19-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2928-17-0x0000000000400000-0x0000000000440000-memory.dmp

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