agenttesla | 45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a

General

Target

45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe
Size

788KB
MD5

a151fba9daa94387ed898e19bb533be5
SHA1

64aed2cec20be2f4c11f3ef9dec93624516da4c2
SHA256

45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a
SHA512

fef90f2a901b2a7940c98d2cdccb639e4ff4b039650a411f20ed9610e7e56c3a30ecdae7c7d8dc49f913b29b264bdcb12d7baf038d9719d4f050b35461a6e8ae
SSDEEP

12288:lgmY00jXolyiT3HaYHrm/Iq1QArPUS7l00PO58MCyAoFMOM4olj0:lgmdI0BH4Hn8Sh0wyxFMOYlQ

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.magnatextile.com
Port:
587
Username:
[email protected]
Password:
ow%{&}mti{&}$is
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
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 3 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

Credentials from Web Browsers
T1555.003

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
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 804 set thread context of 2128	804	45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2128	45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe
2128	45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 804 wrote to memory of 2128	804	45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe	31
PID 804 wrote to memory of 2128	804	45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe	31
PID 804 wrote to memory of 2128	804	45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe	31
PID 804 wrote to memory of 2128	804	45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe	31
PID 804 wrote to memory of 2128	804	45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe	31
PID 804 wrote to memory of 2128	804	45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe	31
PID 804 wrote to memory of 2128	804	45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe	31
PID 804 wrote to memory of 2128	804	45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe	31
PID 804 wrote to memory of 2128	804	45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe	31

C:\Users\Admin\AppData\Local\Temp\45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe
"C:\Users\Admin\AppData\Local\Temp\45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:804
- C:\Users\Admin\AppData\Local\Temp\45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe
  "C:\Users\Admin\AppData\Local\Temp\45aa9c752530b71775bbc59a49604fe2f8f10a3c98be4e3d789d307eebf69b9a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/804-20-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/804-2-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/804-0-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/804-3-0x0000000000450000-0x000000000046E000-memory.dmp

Filesize
120KB

Download
memory/804-4-0x000000007402E000-0x000000007402F000-memory.dmp

Filesize
4KB

Download
memory/804-5-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/804-6-0x0000000005BF0000-0x0000000005C76000-memory.dmp

Filesize
536KB

Download
memory/804-1-0x0000000000A50000-0x0000000000B1A000-memory.dmp

Filesize
808KB

Download
memory/2128-22-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2128-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2128-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2128-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2128-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2128-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2128-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2128-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2128-21-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download
memory/2128-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2128-19-0x0000000074020000-0x000000007470E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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