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 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:

RegAsm.exe1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\TlKsFB = "C:\\Users\\Admin\\AppData\\Roaming\\TlKsFB\\TlKsFB.exe"	RegAsm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3455265224-196869244-2056873367-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Szlaz = "C:\\Users\\Admin\\AppData\\Roaming\\Szlaz.exe"	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.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

28 api.ipify.org
29 api.ipify.org

flow	ioc
28	api.ipify.org
29	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe

description	pid	process	target process
PID 3360 set thread context of 1292	3360	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe	RegAsm.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2816 1292 WerFault.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

1292 RegAsm.exe
1292 RegAsm.exe

pid	pid_target	process	target process
2816	1292	WerFault.exe	RegAsm.exe

pid	process
1292	RegAsm.exe
1292	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exeRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	3360	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe
Token: SeDebugPrivilege	1292	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe

description	pid	process	target process
PID 3360 wrote to memory of 1292	3360	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe	RegAsm.exe
PID 3360 wrote to memory of 1292	3360	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe	RegAsm.exe
PID 3360 wrote to memory of 1292	3360	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe	RegAsm.exe
PID 3360 wrote to memory of 1292	3360	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe	RegAsm.exe
PID 3360 wrote to memory of 1292	3360	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe	RegAsm.exe
PID 3360 wrote to memory of 1292	3360	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe	RegAsm.exe
PID 3360 wrote to memory of 1292	3360	1be1eb3fc904fc5a9e9e555e3fa4a2b6a5a299917d5afa9a1570079195387fa3.exe	RegAsm.exe
PID 3360 wrote to memory of 1292	3360	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:3360

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:1292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 2124
3⤵
- Program crash
PID:2816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1292 -ip 1292
1⤵
PID:984

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

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1292-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1292-17-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/1292-14-0x0000000004EE0000-0x0000000004F46000-memory.dmp

Filesize
408KB

Download
memory/1292-15-0x0000000005050000-0x0000000005060000-memory.dmp

Filesize
64KB

Download
memory/1292-13-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/3360-3-0x0000000005600000-0x0000000005660000-memory.dmp

Filesize
384KB

Download
memory/3360-6-0x0000000005780000-0x00000000057C0000-memory.dmp

Filesize
256KB

Download
memory/3360-7-0x00000000057C0000-0x000000000580C000-memory.dmp

Filesize
304KB

Download
memory/3360-8-0x0000000005E00000-0x00000000063A4000-memory.dmp

Filesize
5.6MB

Download
memory/3360-5-0x00000000056D0000-0x0000000005710000-memory.dmp

Filesize
256KB

Download
memory/3360-12-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/3360-4-0x0000000005720000-0x0000000005778000-memory.dmp

Filesize
352KB

Download
memory/3360-0-0x0000000000C10000-0x0000000000CB2000-memory.dmp

Filesize
648KB

Download
memory/3360-2-0x0000000005710000-0x0000000005720000-memory.dmp

Filesize
64KB

Download
memory/3360-1-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads