agenttesla | 98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df

General

Target

98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe
Size

657KB
MD5

dfc0f01311be209f96d21f03d357c3b8
SHA1

39246a932c5c5ace5a2af894838a104a25bba96d
SHA256

98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df
SHA512

3e554ca4055e2f09718d2f730536f125762c61063bf0b97a74b065508d9299954f8fa8adce8b9f21d342ab54c255732815ba5e966d0feb2f673abdef78099676
SSDEEP

12288:ntHdZerD6YRFz1e0lcZiSI9GEp552pASTboSn91kHkXQRZpD1q0:lUDDDg2ME9PfcpASTM++G2pD1

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://valvulasthermovalve.cl
Port:
21
Username:
[email protected]
Password:
LILKOOLL14!!

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1384669652-2270756765-572751751-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe
Key opened	\REGISTRY\USER\S-1-5-21-1384669652-2270756765-572751751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe
Key opened	\REGISTRY\USER\S-1-5-21-1384669652-2270756765-572751751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.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.

flow	ioc
3	api.ipify.org
2	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4680 set thread context of 2944	4680	98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe	70

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2944	98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe
2944	98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2944	98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4680 wrote to memory of 2944	4680	98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe	70
PID 4680 wrote to memory of 2944	4680	98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe	70
PID 4680 wrote to memory of 2944	4680	98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe	70
PID 4680 wrote to memory of 2944	4680	98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe	70
PID 4680 wrote to memory of 2944	4680	98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe	70
PID 4680 wrote to memory of 2944	4680	98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe	70
PID 4680 wrote to memory of 2944	4680	98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe	70
PID 4680 wrote to memory of 2944	4680	98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe	70

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1384669652-2270756765-572751751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1384669652-2270756765-572751751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe

C:\Users\Admin\AppData\Local\Temp\98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe
"C:\Users\Admin\AppData\Local\Temp\98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4680
- C:\Users\Admin\AppData\Local\Temp\98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe
  "C:\Users\Admin\AppData\Local\Temp\98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\98c140b482c040e7e9bfb991d7b817ff64bb416f9c7d1089246382b04a0276df.exe.log

Filesize
1KB

MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
memory/2944-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2944-22-0x0000000005840000-0x0000000005850000-memory.dmp

Filesize
64KB

Download
memory/2944-21-0x00000000734F0000-0x0000000073BDE000-memory.dmp

Filesize
6.9MB

Download
memory/2944-20-0x0000000006C60000-0x0000000006CB0000-memory.dmp

Filesize
320KB

Download
memory/2944-17-0x00000000734F0000-0x0000000073BDE000-memory.dmp

Filesize
6.9MB

Download
memory/2944-19-0x0000000005840000-0x0000000005850000-memory.dmp

Filesize
64KB

Download
memory/2944-18-0x00000000057D0000-0x0000000005836000-memory.dmp

Filesize
408KB

Download
memory/4680-10-0x0000000004DA0000-0x0000000004DAC000-memory.dmp

Filesize
48KB

Download
memory/4680-16-0x00000000734F0000-0x0000000073BDE000-memory.dmp

Filesize
6.9MB

Download
memory/4680-0-0x00000000000D0000-0x000000000017A000-memory.dmp

Filesize
680KB

Download
memory/4680-11-0x0000000009320000-0x000000000939C000-memory.dmp

Filesize
496KB

Download
memory/4680-12-0x000000000BC00000-0x000000000BC9C000-memory.dmp

Filesize
624KB

Download
memory/4680-8-0x0000000004C60000-0x0000000004C70000-memory.dmp

Filesize
64KB

Download
memory/4680-7-0x00000000734F0000-0x0000000073BDE000-memory.dmp

Filesize
6.9MB

Download
memory/4680-9-0x0000000004D90000-0x0000000004D9A000-memory.dmp

Filesize
40KB

Download
memory/4680-6-0x0000000004D70000-0x0000000004D8A000-memory.dmp

Filesize
104KB

Download
memory/4680-5-0x00000000049D0000-0x00000000049DA000-memory.dmp

Filesize
40KB

Download
memory/4680-4-0x0000000004C60000-0x0000000004C70000-memory.dmp

Filesize
64KB

Download
memory/4680-3-0x0000000004A30000-0x0000000004AC2000-memory.dmp

Filesize
584KB

Download
memory/4680-2-0x0000000004E90000-0x000000000538E000-memory.dmp

Filesize
5.0MB

Download
memory/4680-1-0x00000000734F0000-0x0000000073BDE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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