agenttesla | 3a21dd00809d7b9f054f3a4cdd5b5cd69965e8dcf98c9ec33897da2e211e1115

General

Target

761382.exe
Size

599KB
MD5

224cf907f188dcb2763b903256eb33df
SHA1

a2148df06408e521e22cc468fe9f996fb9640a9b
SHA256

3a21dd00809d7b9f054f3a4cdd5b5cd69965e8dcf98c9ec33897da2e211e1115
SHA512

daba770fd851acc6e2e4130069b1f3297ad483b6be38d6f6edc385cb98d79ab4e95b0708379c43472d62b89c3bbb54d931104ba5b7925bed7b254d78184d8afe

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.medicare-equipment.com
Port:
587
Username:
[email protected]
Password:
AllTheBest777

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1768-125-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1768-126-0x000000000043764E-mapping.dmp	family_agenttesla
behavioral2/memory/1768-131-0x0000000005160000-0x000000000565E000-memory.dmp	family_agenttesla
behavioral2/memory/1768-136-0x0000000005160000-0x000000000565E000-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:

761382.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	761382.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	761382.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	761382.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

761382.exe

description pid process target process

PID 2188 set thread context of 1768 2188 761382.exe 761382.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

3244 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

761382.exe761382.exe

pid process

2188 761382.exe
2188 761382.exe
2188 761382.exe
2188 761382.exe
1768 761382.exe
1768 761382.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

761382.exe761382.exe

description pid process

Token: SeDebugPrivilege 2188 761382.exe
Token: SeDebugPrivilege 1768 761382.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

761382.exe

pid process

1768 761382.exe

description	pid	process	target process
PID 2188 set thread context of 1768	2188	761382.exe	761382.exe

pid	process
3244	schtasks.exe

pid	process
2188	761382.exe
2188	761382.exe
2188	761382.exe
2188	761382.exe
1768	761382.exe
1768	761382.exe

description	pid	process
Token: SeDebugPrivilege	2188	761382.exe
Token: SeDebugPrivilege	1768	761382.exe

pid	process
1768	761382.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

761382.exe

description	pid	process	target process
PID 2188 wrote to memory of 3244	2188	761382.exe	schtasks.exe
PID 2188 wrote to memory of 3244	2188	761382.exe	schtasks.exe
PID 2188 wrote to memory of 3244	2188	761382.exe	schtasks.exe
PID 2188 wrote to memory of 1476	2188	761382.exe	761382.exe
PID 2188 wrote to memory of 1476	2188	761382.exe	761382.exe
PID 2188 wrote to memory of 1476	2188	761382.exe	761382.exe
PID 2188 wrote to memory of 1768	2188	761382.exe	761382.exe
PID 2188 wrote to memory of 1768	2188	761382.exe	761382.exe
PID 2188 wrote to memory of 1768	2188	761382.exe	761382.exe
PID 2188 wrote to memory of 1768	2188	761382.exe	761382.exe
PID 2188 wrote to memory of 1768	2188	761382.exe	761382.exe
PID 2188 wrote to memory of 1768	2188	761382.exe	761382.exe
PID 2188 wrote to memory of 1768	2188	761382.exe	761382.exe
PID 2188 wrote to memory of 1768	2188	761382.exe	761382.exe

outlook_office_path 1 IoCs

Processes:

761382.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	761382.exe

outlook_win_path 1 IoCs

Processes:

761382.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	761382.exe

C:\Users\Admin\AppData\Local\Temp\761382.exe
"C:\Users\Admin\AppData\Local\Temp\761382.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2188

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AagKbKHaPPfENR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9EBD.tmp"
2⤵
- Creates scheduled task(s)
PID:3244

C:\Users\Admin\AppData\Local\Temp\761382.exe
"C:\Users\Admin\AppData\Local\Temp\761382.exe"
2⤵
PID:1476

C:\Users\Admin\AppData\Local\Temp\761382.exe
"C:\Users\Admin\AppData\Local\Temp\761382.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1768

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

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

memory/1768-125-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1768-136-0x0000000005160000-0x000000000565E000-memory.dmp

Filesize
5.0MB

Download
memory/1768-133-0x0000000005EC0000-0x0000000005EC1000-memory.dmp

Filesize
4KB

Download
memory/1768-132-0x00000000055E0000-0x00000000055E1000-memory.dmp

Filesize
4KB

Download
memory/1768-131-0x0000000005160000-0x000000000565E000-memory.dmp

Filesize
5.0MB

Download
memory/1768-126-0x000000000043764E-mapping.dmp

Download
memory/2188-119-0x0000000004DA0000-0x000000000529E000-memory.dmp

Filesize
5.0MB

Download
memory/2188-123-0x0000000006900000-0x0000000006958000-memory.dmp

Filesize
352KB

Download
memory/2188-122-0x00000000051C0000-0x00000000051C8000-memory.dmp

Filesize
32KB

Download
memory/2188-121-0x000000000AAA0000-0x000000000AAA1000-memory.dmp

Filesize
4KB

Download
memory/2188-120-0x0000000004D70000-0x0000000004D71000-memory.dmp

Filesize
4KB

Download
memory/2188-115-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2188-118-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

Filesize
4KB

Download
memory/2188-117-0x00000000052A0000-0x00000000052A1000-memory.dmp

Filesize
4KB

Download
memory/3244-124-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads