agenttesla | 85902cbc14f1f002d333f41395e8dbc58b7224972719052ea316b78ab387039c

General

Target

RFQ_TFS-1509-AL NASR ENGINEERING.exe
Size

769KB
MD5

408a48c1608970d44f98725c56fc1fdf
SHA1

7253a22b1966427ec989c8fcc892fbf51086ced6
SHA256

6deca5f293b38099e0414eb589451aa6880e7c4e2812f90dd6d59fcb768409c6
SHA512

ac02fce542ff5c315773e48aa192b4b23647387529826ca48a372bc7ec70bd003ebb0e3cc30ea54f7af17423a417d8024922a47cd42cd5881496e86ca6538b86
SSDEEP

12288:4rOJ+Ri3AgFd1DQrQzPzs9C/vm/AncL47aXCaMv6eEJ4T7o6M88g/orX04RTBWjc:UQ3AgCtWyAe47aXCaSDmuoI84oI6WFE

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: ftp
Host:
ftp.ercolina-usa.com
Port:
21
Username:
[email protected]
Password:
,%EVY$JU0=lu

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.ercolina-usa.com
Port:
21
Username:
[email protected]
Password:
,%EVY$JU0=lu

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

2796 powershell.exe
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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
6 ip-api.com
Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ_TFS-1509-AL NASR ENGINEERING.exe

description pid process target process

PID 2084 set thread context of 2728 2084 RFQ_TFS-1509-AL NASR ENGINEERING.exe RFQ_TFS-1509-AL NASR ENGINEERING.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2796	powershell.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org
6	ip-api.com

description	pid	process	target process
PID 2084 set thread context of 2728	2084	RFQ_TFS-1509-AL NASR ENGINEERING.exe	RFQ_TFS-1509-AL NASR ENGINEERING.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

RFQ_TFS-1509-AL NASR ENGINEERING.exeRFQ_TFS-1509-AL NASR ENGINEERING.exepowershell.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RFQ_TFS-1509-AL NASR ENGINEERING.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RFQ_TFS-1509-AL NASR ENGINEERING.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

RFQ_TFS-1509-AL NASR ENGINEERING.exepowershell.exe

pid process

2728 RFQ_TFS-1509-AL NASR ENGINEERING.exe
2728 RFQ_TFS-1509-AL NASR ENGINEERING.exe
2796 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

RFQ_TFS-1509-AL NASR ENGINEERING.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2728 RFQ_TFS-1509-AL NASR ENGINEERING.exe
Token: SeDebugPrivilege 2796 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RFQ_TFS-1509-AL NASR ENGINEERING.exe

pid process

2728 RFQ_TFS-1509-AL NASR ENGINEERING.exe

pid	process
2728	RFQ_TFS-1509-AL NASR ENGINEERING.exe
2728	RFQ_TFS-1509-AL NASR ENGINEERING.exe
2796	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2728	RFQ_TFS-1509-AL NASR ENGINEERING.exe
Token: SeDebugPrivilege	2796	powershell.exe

pid	process
2728	RFQ_TFS-1509-AL NASR ENGINEERING.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

RFQ_TFS-1509-AL NASR ENGINEERING.exe

description	pid	process	target process
PID 2084 wrote to memory of 2796	2084	RFQ_TFS-1509-AL NASR ENGINEERING.exe	powershell.exe
PID 2084 wrote to memory of 2796	2084	RFQ_TFS-1509-AL NASR ENGINEERING.exe	powershell.exe
PID 2084 wrote to memory of 2796	2084	RFQ_TFS-1509-AL NASR ENGINEERING.exe	powershell.exe
PID 2084 wrote to memory of 2796	2084	RFQ_TFS-1509-AL NASR ENGINEERING.exe	powershell.exe
PID 2084 wrote to memory of 2728	2084	RFQ_TFS-1509-AL NASR ENGINEERING.exe	RFQ_TFS-1509-AL NASR ENGINEERING.exe
PID 2084 wrote to memory of 2728	2084	RFQ_TFS-1509-AL NASR ENGINEERING.exe	RFQ_TFS-1509-AL NASR ENGINEERING.exe
PID 2084 wrote to memory of 2728	2084	RFQ_TFS-1509-AL NASR ENGINEERING.exe	RFQ_TFS-1509-AL NASR ENGINEERING.exe
PID 2084 wrote to memory of 2728	2084	RFQ_TFS-1509-AL NASR ENGINEERING.exe	RFQ_TFS-1509-AL NASR ENGINEERING.exe
PID 2084 wrote to memory of 2728	2084	RFQ_TFS-1509-AL NASR ENGINEERING.exe	RFQ_TFS-1509-AL NASR ENGINEERING.exe
PID 2084 wrote to memory of 2728	2084	RFQ_TFS-1509-AL NASR ENGINEERING.exe	RFQ_TFS-1509-AL NASR ENGINEERING.exe
PID 2084 wrote to memory of 2728	2084	RFQ_TFS-1509-AL NASR ENGINEERING.exe	RFQ_TFS-1509-AL NASR ENGINEERING.exe
PID 2084 wrote to memory of 2728	2084	RFQ_TFS-1509-AL NASR ENGINEERING.exe	RFQ_TFS-1509-AL NASR ENGINEERING.exe
PID 2084 wrote to memory of 2728	2084	RFQ_TFS-1509-AL NASR ENGINEERING.exe	RFQ_TFS-1509-AL NASR ENGINEERING.exe

C:\Users\Admin\AppData\Local\Temp\RFQ_TFS-1509-AL NASR ENGINEERING.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ_TFS-1509-AL NASR ENGINEERING.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RFQ_TFS-1509-AL NASR ENGINEERING.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2796
- C:\Users\Admin\AppData\Local\Temp\RFQ_TFS-1509-AL NASR ENGINEERING.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ_TFS-1509-AL NASR ENGINEERING.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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 Information Discovery

1

T1082

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

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Downloads

memory/2084-0-0x00000000742DE000-0x00000000742DF000-memory.dmp

Filesize
4KB

Download
memory/2084-1-0x0000000001320000-0x00000000013E6000-memory.dmp

Filesize
792KB

Download
memory/2084-2-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2084-3-0x00000000742DE000-0x00000000742DF000-memory.dmp

Filesize
4KB

Download
memory/2084-4-0x00000000003E0000-0x00000000003F2000-memory.dmp

Filesize
72KB

Download
memory/2084-5-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2084-6-0x0000000004FA0000-0x000000000502C000-memory.dmp

Filesize
560KB

Download
memory/2084-23-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2728-13-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2728-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-17-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2728-11-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2728-9-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2728-21-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2728-19-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2728-22-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2728-7-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/2728-24-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2728-27-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download
memory/2728-28-0x00000000742D0000-0x00000000749BE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads