agenttesla | 6c14f83aa09c4b45b49bc66096834c964a934f8d171733babb829aaf1f6d579e

General

Target

31e6f57633b9b685bd1fa8302f3ea5ea.exe
Size

567KB
MD5

31e6f57633b9b685bd1fa8302f3ea5ea
SHA1

941cf70aa531b55771bb0dc439a0a2538359eb60
SHA256

6c14f83aa09c4b45b49bc66096834c964a934f8d171733babb829aaf1f6d579e
SHA512

d1296670b0000fcb39383a0c881fed7033a9b80d7503ac5ca28120b40d041170ffd422453a2bf5d19e73ed91673421a627815685f3e61350abced4c432d9a2ed

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
bh-58.webhostbox.net
Port:
587
Username:
[email protected]
Password:
7213575aceACE@#$

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1788-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1788-3-0x00000000004470DE-mapping.dmp	family_agenttesla
behavioral1/memory/1788-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1788-5-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run\arinze = "C:\\Users\\Admin\\AppData\\Local\\Temp\\arinze\\arinze.exe"	31e6f57633b9b685bd1fa8302f3ea5ea.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1500 set thread context of 1788	1500	31e6f57633b9b685bd1fa8302f3ea5ea.exe	26

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1788	31e6f57633b9b685bd1fa8302f3ea5ea.exe
1788	31e6f57633b9b685bd1fa8302f3ea5ea.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1788	31e6f57633b9b685bd1fa8302f3ea5ea.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1788	31e6f57633b9b685bd1fa8302f3ea5ea.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 1788	1500	31e6f57633b9b685bd1fa8302f3ea5ea.exe	26
PID 1500 wrote to memory of 1788	1500	31e6f57633b9b685bd1fa8302f3ea5ea.exe	26
PID 1500 wrote to memory of 1788	1500	31e6f57633b9b685bd1fa8302f3ea5ea.exe	26
PID 1500 wrote to memory of 1788	1500	31e6f57633b9b685bd1fa8302f3ea5ea.exe	26
PID 1500 wrote to memory of 1788	1500	31e6f57633b9b685bd1fa8302f3ea5ea.exe	26
PID 1500 wrote to memory of 1788	1500	31e6f57633b9b685bd1fa8302f3ea5ea.exe	26
PID 1500 wrote to memory of 1788	1500	31e6f57633b9b685bd1fa8302f3ea5ea.exe	26
PID 1500 wrote to memory of 1788	1500	31e6f57633b9b685bd1fa8302f3ea5ea.exe	26
PID 1500 wrote to memory of 1788	1500	31e6f57633b9b685bd1fa8302f3ea5ea.exe	26

C:\Users\Admin\AppData\Local\Temp\31e6f57633b9b685bd1fa8302f3ea5ea.exe
"C:\Users\Admin\AppData\Local\Temp\31e6f57633b9b685bd1fa8302f3ea5ea.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1500
- C:\Users\Admin\AppData\Local\Temp\31e6f57633b9b685bd1fa8302f3ea5ea.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1788

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1788-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1788-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1788-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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