agenttesla | 63bef232df0930f5098d8154af7fa12d93a69e50031583b410dd19499d40facf

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 09:09

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General

Target

QUOTATION#08670.exe
Size

590KB
MD5

93bdfd46628601b04ea067e5f52187d7
SHA1

4d2e420aa6a8289763b9c0a79fccb7e18ee02294
SHA256

f2d566b1b667cf8ea8c35f2827f62e7430941e1fdd13019811768e3a942ec926
SHA512

1397ea8a0b29caa8497bc4efb4c20652980c2c76f617a2c235b925bb1ddd7c830f2b661feca5674b002479d230b78240455afa6a31c4854dba3229b903bb8f8c
SSDEEP

12288:0ZgE2xCedYZjsPmHfw+KsbAMgqURZyaRbN7RjVI06fbXB12dzJJVNcxWq:0ZgEa7dYlsPm/msR1QfJI591ezJHNcH

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"	QUOTATION#08670.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
1512	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	regsvcs.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	QUOTATION#08670.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	QUOTATION#08670.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
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3016 set thread context of 2724	3016	QUOTATION#08670.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 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	regsvcs.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1512	powershell.exe
2724	regsvcs.exe
2724	regsvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1512	powershell.exe
Token: SeDebugPrivilege	2724	regsvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2724	regsvcs.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 1512	3016	QUOTATION#08670.exe	32
PID 3016 wrote to memory of 1512	3016	QUOTATION#08670.exe	32
PID 3016 wrote to memory of 1512	3016	QUOTATION#08670.exe	32
PID 3016 wrote to memory of 2156	3016	QUOTATION#08670.exe	34
PID 3016 wrote to memory of 2156	3016	QUOTATION#08670.exe	34
PID 3016 wrote to memory of 2156	3016	QUOTATION#08670.exe	34
PID 3016 wrote to memory of 2156	3016	QUOTATION#08670.exe	34
PID 3016 wrote to memory of 2156	3016	QUOTATION#08670.exe	34
PID 3016 wrote to memory of 2156	3016	QUOTATION#08670.exe	34
PID 3016 wrote to memory of 2156	3016	QUOTATION#08670.exe	34
PID 3016 wrote to memory of 2156	3016	QUOTATION#08670.exe	34
PID 3016 wrote to memory of 2724	3016	QUOTATION#08670.exe	35
PID 3016 wrote to memory of 2724	3016	QUOTATION#08670.exe	35
PID 3016 wrote to memory of 2724	3016	QUOTATION#08670.exe	35
PID 3016 wrote to memory of 2724	3016	QUOTATION#08670.exe	35
PID 3016 wrote to memory of 2724	3016	QUOTATION#08670.exe	35
PID 3016 wrote to memory of 2724	3016	QUOTATION#08670.exe	35
PID 3016 wrote to memory of 2724	3016	QUOTATION#08670.exe	35
PID 3016 wrote to memory of 2724	3016	QUOTATION#08670.exe	35
PID 3016 wrote to memory of 2724	3016	QUOTATION#08670.exe	35
PID 3016 wrote to memory of 2724	3016	QUOTATION#08670.exe	35
PID 3016 wrote to memory of 2724	3016	QUOTATION#08670.exe	35
PID 3016 wrote to memory of 2724	3016	QUOTATION#08670.exe	35
PID 3016 wrote to memory of 2772	3016	QUOTATION#08670.exe	36
PID 3016 wrote to memory of 2772	3016	QUOTATION#08670.exe	36
PID 3016 wrote to memory of 2772	3016	QUOTATION#08670.exe	36
PID 3016 wrote to memory of 2772	3016	QUOTATION#08670.exe	36
PID 3016 wrote to memory of 2772	3016	QUOTATION#08670.exe	36
PID 3016 wrote to memory of 2772	3016	QUOTATION#08670.exe	36
PID 3016 wrote to memory of 2772	3016	QUOTATION#08670.exe	36

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"	QUOTATION#08670.exe

C:\Users\Admin\AppData\Local\Temp\QUOTATION#08670.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTATION#08670.exe"
1⤵
- UAC bypass
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3016
- 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\QUOTATION#08670.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1512
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
  2⤵
  PID:2156
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.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:2724
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
  2⤵
  PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1512-8-0x0000000002DF0000-0x0000000002E70000-memory.dmp

Filesize
512KB

Download
memory/1512-18-0x0000000001D30000-0x0000000001D38000-memory.dmp

Filesize
32KB

Download
memory/1512-17-0x000000001B5C0000-0x000000001B8A2000-memory.dmp

Filesize
2.9MB

Download
memory/2156-9-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2156-16-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2156-14-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2156-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2724-28-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2724-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2724-30-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2724-29-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/3016-3-0x000000001AEB0000-0x000000001AF46000-memory.dmp

Filesize
600KB

Download
memory/3016-0-0x000007FEF57B3000-0x000007FEF57B4000-memory.dmp

Filesize
4KB

Download
memory/3016-2-0x000007FEF57B0000-0x000007FEF619C000-memory.dmp

Filesize
9.9MB

Download
memory/3016-1-0x0000000001060000-0x0000000001066000-memory.dmp

Filesize
24KB

Download
memory/3016-31-0x000007FEF57B0000-0x000007FEF619C000-memory.dmp

Filesize
9.9MB

Download