agenttesla | db2a2d7c0772591199f7d3be76fd05031487f14b888efaa626d167397130c86b

General

Target

1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe
Size

623KB
MD5

8eab5e4d034fde42eb31add0cb923a97
SHA1

ac9f5a051227302049aa5136a26f30a3707db55c
SHA256

1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3
SHA512

54f6f28e0ad2ba4cf968fb766d000f97afb851a6886649c7968a39a3e09eff5974455164ba0e43963a1bc5a416b1fabfd6780c55cd794011ea474bd72c2accdb
SSDEEP

12288:14uUdaP5mn0llWSQSSKJOzIT5HiSRJ56/:ydaP5mn0llNQN2OzCti2z

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.asiaparadisehotel.com
Port:
587
Username:
[email protected]
Password:
^b2ycDldex$@
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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
T1552.001
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
T1552.001
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
T1552.001

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exeRegAsm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Szlaz = "C:\\Users\\Admin\\AppData\\Roaming\\Szlaz.exe"	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TlKsFB = "C:\\Users\\Admin\\AppData\\Roaming\\TlKsFB\\TlKsFB.exe"	RegAsm.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

29 api.ipify.org
30 api.ipify.org

flow	ioc
29	api.ipify.org
30	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe

description	pid	process	target process
PID 3200 set thread context of 2360	3200	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

2360 RegAsm.exe
2360 RegAsm.exe

pid	process
2360	RegAsm.exe
2360	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exeRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	3200	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe
Token: SeDebugPrivilege	2360	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe

description	pid	process	target process
PID 3200 wrote to memory of 2360	3200	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe	RegAsm.exe
PID 3200 wrote to memory of 2360	3200	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe	RegAsm.exe
PID 3200 wrote to memory of 2360	3200	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe	RegAsm.exe
PID 3200 wrote to memory of 2360	3200	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe	RegAsm.exe
PID 3200 wrote to memory of 2360	3200	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe	RegAsm.exe
PID 3200 wrote to memory of 2360	3200	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe	RegAsm.exe
PID 3200 wrote to memory of 2360	3200	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe	RegAsm.exe
PID 3200 wrote to memory of 2360	3200	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe
"C:\Users\Admin\AppData\Local\Temp\1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3200

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2360-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2360-20-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/2360-19-0x0000000006B50000-0x0000000006B5A000-memory.dmp

Filesize
40KB

Download
memory/2360-18-0x0000000006BA0000-0x0000000006C32000-memory.dmp

Filesize
584KB

Download
memory/2360-17-0x0000000006AB0000-0x0000000006B00000-memory.dmp

Filesize
320KB

Download
memory/2360-15-0x0000000005710000-0x0000000005776000-memory.dmp

Filesize
408KB

Download
memory/2360-14-0x0000000005690000-0x00000000056A0000-memory.dmp

Filesize
64KB

Download
memory/2360-13-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/3200-4-0x0000000004BA0000-0x0000000004BF8000-memory.dmp

Filesize
352KB

Download
memory/3200-8-0x00000000052B0000-0x0000000005854000-memory.dmp

Filesize
5.6MB

Download
memory/3200-12-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/3200-7-0x0000000004C80000-0x0000000004CCC000-memory.dmp

Filesize
304KB

Download
memory/3200-6-0x0000000004C40000-0x0000000004C80000-memory.dmp

Filesize
256KB

Download
memory/3200-5-0x0000000004C00000-0x0000000004C40000-memory.dmp

Filesize
256KB

Download
memory/3200-0-0x0000000075030000-0x00000000757E0000-memory.dmp

Filesize
7.7MB

Download
memory/3200-3-0x0000000004A80000-0x0000000004AE0000-memory.dmp

Filesize
384KB

Download
memory/3200-2-0x0000000004B90000-0x0000000004BA0000-memory.dmp

Filesize
64KB

Download
memory/3200-1-0x00000000000C0000-0x0000000000162000-memory.dmp

Filesize
648KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads