agenttesla | 72106fac6f73c73139d35a9c475876aef1444a0366cb9e7c5040e4bdce5bdf7e

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
16/11/2024, 08:40

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General

Target
New Tooling CT240230231CTA240714.exe
Size 2.6MB
Sample241116-kkyqqstamd
SHA256 db54f10f4f1c3eae171d83065364f5482d76c048daae934da0279506c9169802
MD5 084dcc77f2015db12169837b93e13430
SHA1 3b239c71274c55e342f71ce2c13057c3cdb9ca2d
SHA512 b14e10288c109b3ebf6166fd1974e1d81289925c3bac5f8bf5eda589ef65ffa5ffb16f18a307b1f721091d49c8cc0c03cc2017d0400899f0cedc20326153e57e
SSDEEP 12288:KP7r9r/+ppppppppppppppppppppppppppppp0GMVOLiZedZ/0dt9geW/iwJZxVi:K1qMK0EctKeVqfVxtXWmI/7khqw/he
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

agenttesla discovery evasion execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.iaa-airferight.com
Port
587
Username
[email protected]
Password
manlikeyou88
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

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"	New Tooling CT240230231CTA240714.exe

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	New Tooling CT240230231CTA240714.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
1780	powershell.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	New Tooling CT240230231CTA240714.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	New Tooling CT240230231CTA240714.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	New Tooling CT240230231CTA240714.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	New Tooling CT240230231CTA240714.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	New Tooling CT240230231CTA240714.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	New Tooling CT240230231CTA240714.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	New Tooling CT240230231CTA240714.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2420 set thread context of 2740	2420	New Tooling CT240230231CTA240714.exe	34

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	installutil.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1780	powershell.exe
2740	installutil.exe
2740	installutil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1780	powershell.exe
Token: SeDebugPrivilege	2740	installutil.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 1780	2420	New Tooling CT240230231CTA240714.exe	32
PID 2420 wrote to memory of 1780	2420	New Tooling CT240230231CTA240714.exe	32
PID 2420 wrote to memory of 1780	2420	New Tooling CT240230231CTA240714.exe	32
PID 2420 wrote to memory of 2740	2420	New Tooling CT240230231CTA240714.exe	34
PID 2420 wrote to memory of 2740	2420	New Tooling CT240230231CTA240714.exe	34
PID 2420 wrote to memory of 2740	2420	New Tooling CT240230231CTA240714.exe	34
PID 2420 wrote to memory of 2740	2420	New Tooling CT240230231CTA240714.exe	34
PID 2420 wrote to memory of 2740	2420	New Tooling CT240230231CTA240714.exe	34
PID 2420 wrote to memory of 2740	2420	New Tooling CT240230231CTA240714.exe	34
PID 2420 wrote to memory of 2740	2420	New Tooling CT240230231CTA240714.exe	34
PID 2420 wrote to memory of 2740	2420	New Tooling CT240230231CTA240714.exe	34
PID 2420 wrote to memory of 2740	2420	New Tooling CT240230231CTA240714.exe	34
PID 2420 wrote to memory of 2740	2420	New Tooling CT240230231CTA240714.exe	34
PID 2420 wrote to memory of 2740	2420	New Tooling CT240230231CTA240714.exe	34
PID 2420 wrote to memory of 2740	2420	New Tooling CT240230231CTA240714.exe	34
PID 2420 wrote to memory of 2180	2420	New Tooling CT240230231CTA240714.exe	35
PID 2420 wrote to memory of 2180	2420	New Tooling CT240230231CTA240714.exe	35
PID 2420 wrote to memory of 2180	2420	New Tooling CT240230231CTA240714.exe	35

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"	New Tooling CT240230231CTA240714.exe

C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe
"C:\Users\Admin\AppData\Local\Temp\New Tooling CT240230231CTA240714.exe"
1⤵
- UAC bypass
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2420
- 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\New Tooling CT240230231CTA240714.exe" -Force
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1780
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2740
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2420 -s 1028
  2⤵
  PID:2180