agenttesla | 4c3f9d5742b481f22de9aba54be918f1f4f6c91aa7ab62f5e37e18d0e4882c93

General

Target

PO#6474 (2).exe
Size

607KB
MD5

26e0bede36c40dd7bb6b3c0cf3c73489
SHA1

29c72303876b117c10cca1cd199b3eb6ef3c99e1
SHA256

cd4f2162b438b601e0416d30cd5dfc0d00834690a1300f53f294fb58d6d6264a
SHA512

3c0b08d017c64c7eade6cec78e89934b856d4b977316b4b8d2f77e1f1fc55d6ae5b9757ed438ef5490980527542ae9beeca303b488176541783dbc9b9c566866

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.greenslr.com
Port:
587
Username:
[email protected]
Password:
)HdurgF2

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1380-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1380-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1380-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1380-66-0x000000000044D15E-mapping.dmp	family_agenttesla
behavioral1/memory/1380-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1380-70-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

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
T1081
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
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PO#6474 (2).exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#6474 (2).exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#6474 (2).exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#6474 (2).exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO#6474 (2).exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\uEtmoKl = "C:\\Users\\Admin\\AppData\\Roaming\\uEtmoKl\\uEtmoKl.exe"	PO#6474 (2).exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO#6474 (2).exe

description pid process target process

PID 1684 set thread context of 1380 1684 PO#6474 (2).exe PO#6474 (2).exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1352 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PO#6474 (2).exePO#6474 (2).exe

pid process

1684 PO#6474 (2).exe
1380 PO#6474 (2).exe
1380 PO#6474 (2).exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO#6474 (2).exePO#6474 (2).exe

description pid process

Token: SeDebugPrivilege 1684 PO#6474 (2).exe
Token: SeDebugPrivilege 1380 PO#6474 (2).exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO#6474 (2).exe

pid process

1380 PO#6474 (2).exe

description	pid	process	target process
PID 1684 set thread context of 1380	1684	PO#6474 (2).exe	PO#6474 (2).exe

pid	process
1352	schtasks.exe

pid	process
1684	PO#6474 (2).exe
1380	PO#6474 (2).exe
1380	PO#6474 (2).exe

description	pid	process
Token: SeDebugPrivilege	1684	PO#6474 (2).exe
Token: SeDebugPrivilege	1380	PO#6474 (2).exe

pid	process
1380	PO#6474 (2).exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

PO#6474 (2).exePO#6474 (2).exe

description	pid	process	target process
PID 1684 wrote to memory of 1352	1684	PO#6474 (2).exe	schtasks.exe
PID 1684 wrote to memory of 1352	1684	PO#6474 (2).exe	schtasks.exe
PID 1684 wrote to memory of 1352	1684	PO#6474 (2).exe	schtasks.exe
PID 1684 wrote to memory of 1352	1684	PO#6474 (2).exe	schtasks.exe
PID 1684 wrote to memory of 1380	1684	PO#6474 (2).exe	PO#6474 (2).exe
PID 1684 wrote to memory of 1380	1684	PO#6474 (2).exe	PO#6474 (2).exe
PID 1684 wrote to memory of 1380	1684	PO#6474 (2).exe	PO#6474 (2).exe
PID 1684 wrote to memory of 1380	1684	PO#6474 (2).exe	PO#6474 (2).exe
PID 1684 wrote to memory of 1380	1684	PO#6474 (2).exe	PO#6474 (2).exe
PID 1684 wrote to memory of 1380	1684	PO#6474 (2).exe	PO#6474 (2).exe
PID 1684 wrote to memory of 1380	1684	PO#6474 (2).exe	PO#6474 (2).exe
PID 1684 wrote to memory of 1380	1684	PO#6474 (2).exe	PO#6474 (2).exe
PID 1684 wrote to memory of 1380	1684	PO#6474 (2).exe	PO#6474 (2).exe
PID 1380 wrote to memory of 1188	1380	PO#6474 (2).exe	netsh.exe
PID 1380 wrote to memory of 1188	1380	PO#6474 (2).exe	netsh.exe
PID 1380 wrote to memory of 1188	1380	PO#6474 (2).exe	netsh.exe
PID 1380 wrote to memory of 1188	1380	PO#6474 (2).exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

PO#6474 (2).exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#6474 (2).exe

outlook_win_path 1 IoCs

Processes:

PO#6474 (2).exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#6474 (2).exe

C:\Users\Admin\AppData\Local\Temp\PO#6474 (2).exe
"C:\Users\Admin\AppData\Local\Temp\PO#6474 (2).exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qlyAxa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA056.tmp"
2⤵
- Creates scheduled task(s)
PID:1352

C:\Users\Admin\AppData\Local\Temp\PO#6474 (2).exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1380

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1188

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA056.tmp
Filesize
1KB

MD5
23b782d70c9c5a319a106ef57325939c

SHA1
f775124927038eda3f0c52a60cb20ed79f8cd42b

SHA256
25964fd18f6382318218d7b27e3830feff31ffcca7b916eaa9f2628a83113a48

SHA512
73ada815981962e41dc5df8f2573c8fec4b679b90999e0f4b89945c5866fcdf81af4e543acbdc0626d01c12026da67edd37589d4aab56853db3f5dec4b338183

Download Submit
memory/1188-72-0x0000000000000000-mapping.dmp

Download
memory/1352-58-0x0000000000000000-mapping.dmp

Download
memory/1380-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1380-60-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1380-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1380-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1380-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1380-66-0x000000000044D15E-mapping.dmp

Download
memory/1380-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1380-70-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1684-57-0x0000000074F91000-0x0000000074F93000-memory.dmp

Filesize
8KB

Download
memory/1684-56-0x0000000000570000-0x00000000005CA000-memory.dmp

Filesize
360KB

Download
memory/1684-54-0x00000000013D0000-0x000000000146E000-memory.dmp

Filesize
632KB

Download
memory/1684-55-0x00000000001F0000-0x00000000001F8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads