agenttesla | dbeb0eff645a95950db00e804ee3b64d6e779bdf0f1979ebf0c1710471b9c94c

General

Target

Invoice-pdf.exe
Size

361KB
MD5

04707a5d98749041c7a334c9fd5197de
SHA1

c109facbc0d1adcd06c2f0f7f1619fe09c9ea173
SHA256

dbeb0eff645a95950db00e804ee3b64d6e779bdf0f1979ebf0c1710471b9c94c
SHA512

a2f6dd2317477f0c7a93edddcf10b8bb211a75a34e70b92caa5d08342e82a57fe69a46eea232416c6af147d71fcff6172e41dbf57b37c96329e06228dce6705a
SSDEEP

6144:X2b0HXNs1UYXs2M3dLkir563KIWIEu73ndFrWRyZv3enCx2xzwT7SkOtpQ39F:/y1ZXs2K7rAhdEmNFiwGCxpH

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
premium162.web-hosting.com
Port:
587
Username:
[email protected]
Password:
Success4sure2day10@
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

3 ip-api.com
Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs

Processes:

Invoice-pdf.exe

pid process

400 Invoice-pdf.exe
400 Invoice-pdf.exe

flow	ioc
3	ip-api.com

pid	process
400	Invoice-pdf.exe
400	Invoice-pdf.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

Invoice-pdf.exe

description	pid	process	target process
PID 400 set thread context of 2880	400	Invoice-pdf.exe	Invoice-pdf.exe
PID 400 set thread context of 1436	400	Invoice-pdf.exe	Invoice-pdf.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1572 2880 WerFault.exe Invoice-pdf.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Invoice-pdf.exe

pid process

1436 Invoice-pdf.exe
1436 Invoice-pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Invoice-pdf.exe

description pid process

Token: SeDebugPrivilege 1436 Invoice-pdf.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Invoice-pdf.exe

pid process

1436 Invoice-pdf.exe

pid	pid_target	process	target process
1572	2880	WerFault.exe	Invoice-pdf.exe

pid	process
1436	Invoice-pdf.exe
1436	Invoice-pdf.exe

description	pid	process
Token: SeDebugPrivilege	1436	Invoice-pdf.exe

pid	process
1436	Invoice-pdf.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Invoice-pdf.exe

description	pid	process	target process
PID 400 wrote to memory of 2880	400	Invoice-pdf.exe	Invoice-pdf.exe
PID 400 wrote to memory of 2880	400	Invoice-pdf.exe	Invoice-pdf.exe
PID 400 wrote to memory of 2880	400	Invoice-pdf.exe	Invoice-pdf.exe
PID 400 wrote to memory of 2880	400	Invoice-pdf.exe	Invoice-pdf.exe
PID 400 wrote to memory of 1436	400	Invoice-pdf.exe	Invoice-pdf.exe
PID 400 wrote to memory of 1436	400	Invoice-pdf.exe	Invoice-pdf.exe
PID 400 wrote to memory of 1436	400	Invoice-pdf.exe	Invoice-pdf.exe
PID 400 wrote to memory of 1436	400	Invoice-pdf.exe	Invoice-pdf.exe
PID 400 wrote to memory of 1436	400	Invoice-pdf.exe	Invoice-pdf.exe
PID 400 wrote to memory of 1436	400	Invoice-pdf.exe	Invoice-pdf.exe
PID 400 wrote to memory of 1436	400	Invoice-pdf.exe	Invoice-pdf.exe
PID 400 wrote to memory of 1436	400	Invoice-pdf.exe	Invoice-pdf.exe

C:\Users\Admin\AppData\Local\Temp\Invoice-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice-pdf.exe"
1⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:400

C:\Users\Admin\AppData\Local\Temp\Invoice-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice-pdf.exe"
2⤵
PID:2880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 8
3⤵
- Program crash
PID:1572

C:\Users\Admin\AppData\Local\Temp\Invoice-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice-pdf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2880 -ip 2880
1⤵
PID:1652

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/400-0-0x0000000000630000-0x0000000000690000-memory.dmp

Filesize
384KB

Download
memory/400-1-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/400-2-0x0000000005110000-0x0000000005120000-memory.dmp

Filesize
64KB

Download
memory/400-3-0x0000000004FE0000-0x0000000004FE1000-memory.dmp

Filesize
4KB

Download
memory/400-10-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/1436-9-0x00000000056F0000-0x0000000005756000-memory.dmp

Filesize
408KB

Download
memory/1436-7-0x0000000005AA0000-0x0000000006044000-memory.dmp

Filesize
5.6MB

Download
memory/1436-8-0x0000000005670000-0x0000000005680000-memory.dmp

Filesize
64KB

Download
memory/1436-6-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/1436-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1436-11-0x0000000006C10000-0x0000000006C60000-memory.dmp

Filesize
320KB

Download
memory/1436-12-0x0000000006D90000-0x0000000006E2C000-memory.dmp

Filesize
624KB

Download
memory/1436-13-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/1436-14-0x0000000005670000-0x0000000005680000-memory.dmp

Filesize
64KB

Download
memory/1436-15-0x0000000006E30000-0x0000000006EC2000-memory.dmp

Filesize
584KB

Download
memory/1436-16-0x0000000006D50000-0x0000000006D5A000-memory.dmp

Filesize
40KB

Download

Analysis

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