agenttesla | ff0a60c487c841636d024e647d266c229c96c7334d085c47d535754fc390b412

Analysis

max time kernel
44s
max time network
26s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 07:24

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General

Target

40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369.exe
Size

811KB
MD5

a66520a932198c68fc0df0423e2c046b
SHA1

d49acc9ad7e386a48d83d0bd334294b4168e21fb
SHA256

40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369
SHA512

543ae2fa9923a599d55f0ec74f4eb2dd724209e83a5cb285fe19d40655ed8901c810013c6ba593cf55a7626cc120fdf5815a1eaa9e61ec071b2190f0b4f55f32
SSDEEP

24576:qD0tM85tbNJjldeYiYHkOtw0BH2Hmpp68BMQaV6/778:qD0tM85DJjl/iW1tpBFpp6Ha78

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.palumalimited.com
Port:
587
Username:
[email protected]
Password:
85h!UAfvL2AE
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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\yGbzOMp = "C:\\Users\\Admin\\AppData\\Roaming\\yGbzOMp\\yGbzOMp.exe"	RegSvcs.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral19/memory/2480-0-0x0000000000400000-0x00000000004D5000-memory.dmp	autoit_exe
behavioral19/memory/2480-15-0x0000000000400000-0x00000000004D5000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2480 set thread context of 2880	2480	40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369.exe	29

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral19/memory/2480-0-0x0000000000400000-0x00000000004D5000-memory.dmp	upx
behavioral19/memory/2480-15-0x0000000000400000-0x00000000004D5000-memory.dmp	upx

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 2 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2880	RegSvcs.exe
2880	RegSvcs.exe
2880	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2480	40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369.exe
2480	40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2880	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 2880	2480	40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369.exe	29
PID 2480 wrote to memory of 2880	2480	40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369.exe	29
PID 2480 wrote to memory of 2880	2480	40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369.exe	29
PID 2480 wrote to memory of 2880	2480	40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369.exe	29
PID 2480 wrote to memory of 2880	2480	40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369.exe	29
PID 2480 wrote to memory of 2880	2480	40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369.exe	29
PID 2480 wrote to memory of 2880	2480	40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369.exe	29
PID 2480 wrote to memory of 2880	2480	40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369.exe
"C:\Users\Admin\AppData\Local\Temp\40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\40f9a446728e079ce7f1b7b8cd6a6f2ff82e4fb22d209ae9576f178612d35369.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2480-0-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2480-3-0x0000000003070000-0x0000000003270000-memory.dmp

Filesize
2.0MB

Download
memory/2480-15-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2880-4-0x0000000000090000-0x00000000000CC000-memory.dmp

Filesize
240KB

Download
memory/2880-6-0x0000000000090000-0x00000000000CC000-memory.dmp

Filesize
240KB

Download
memory/2880-13-0x0000000000090000-0x00000000000CC000-memory.dmp

Filesize
240KB

Download
memory/2880-10-0x0000000000090000-0x00000000000CC000-memory.dmp

Filesize
240KB

Download
memory/2880-16-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/2880-17-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2880-19-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download
memory/2880-20-0x0000000074ADE000-0x0000000074ADF000-memory.dmp

Filesize
4KB

Download
memory/2880-21-0x0000000074AD0000-0x00000000751BE000-memory.dmp

Filesize
6.9MB

Download