agenttesla | 6a62064b31d10eca65d1d5d58ccc3bd93ce984fb5215b90b9a0cfdb43428e1af

General

Target

mQ7ZTZwR2NJLtNM.exe
Size

828KB
MD5

6fa873a823b816815a4da51dc8b48136
SHA1

7da75b86140a1cd7120ab3038d7c53a1e7152c1b
SHA256

fbe9ef5a14528618215ecf78e37b2e7079399d4f97d6ff47f1f72657d09aefd0
SHA512

368528ee3c2609e99cb0b9ec55cbf9a53ccd29591ff28f39e14474b0f8eac53d0081cb9e6b5854dbe9543f2c6492ea754a8d55b383722600be54418f336d54dd
SSDEEP

12288:DTv8CQCuldjv7+1zNjbFBnc9Za3LKnFAEUfJ0RFBcW/68weKuENkzhvr:nv8RldjvCDbTV3LKnF9MJueW/6UINav

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.apexrnun.com
Port:
587
Username:
[email protected]
Password:
dU*wU0)yR;?4q|-#
Email To:
[email protected]

Signatures

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

pid	Process
2832	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 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2980 set thread context of 2836	2980	mQ7ZTZwR2NJLtNM.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mQ7ZTZwR2NJLtNM.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mQ7ZTZwR2NJLtNM.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2836	mQ7ZTZwR2NJLtNM.exe
2836	mQ7ZTZwR2NJLtNM.exe
2832	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2836	mQ7ZTZwR2NJLtNM.exe
Token: SeDebugPrivilege	2832	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 2832	2980	mQ7ZTZwR2NJLtNM.exe	31
PID 2980 wrote to memory of 2832	2980	mQ7ZTZwR2NJLtNM.exe	31
PID 2980 wrote to memory of 2832	2980	mQ7ZTZwR2NJLtNM.exe	31
PID 2980 wrote to memory of 2832	2980	mQ7ZTZwR2NJLtNM.exe	31
PID 2980 wrote to memory of 2836	2980	mQ7ZTZwR2NJLtNM.exe	32
PID 2980 wrote to memory of 2836	2980	mQ7ZTZwR2NJLtNM.exe	32
PID 2980 wrote to memory of 2836	2980	mQ7ZTZwR2NJLtNM.exe	32
PID 2980 wrote to memory of 2836	2980	mQ7ZTZwR2NJLtNM.exe	32
PID 2980 wrote to memory of 2836	2980	mQ7ZTZwR2NJLtNM.exe	32
PID 2980 wrote to memory of 2836	2980	mQ7ZTZwR2NJLtNM.exe	32
PID 2980 wrote to memory of 2836	2980	mQ7ZTZwR2NJLtNM.exe	32
PID 2980 wrote to memory of 2836	2980	mQ7ZTZwR2NJLtNM.exe	32
PID 2980 wrote to memory of 2836	2980	mQ7ZTZwR2NJLtNM.exe	32

C:\Users\Admin\AppData\Local\Temp\mQ7ZTZwR2NJLtNM.exe
"C:\Users\Admin\AppData\Local\Temp\mQ7ZTZwR2NJLtNM.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2980
- 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\mQ7ZTZwR2NJLtNM.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2832
- C:\Users\Admin\AppData\Local\Temp\mQ7ZTZwR2NJLtNM.exe
  "C:\Users\Admin\AppData\Local\Temp\mQ7ZTZwR2NJLtNM.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2836

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

Replay Monitor

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Downloads

memory/2836-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2836-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2836-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2836-19-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2836-21-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2836-18-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2836-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2836-16-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2836-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2836-24-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2836-10-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2980-2-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2980-0-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/2980-1-0x0000000000FA0000-0x0000000001076000-memory.dmp

Filesize
856KB

Download
memory/2980-6-0x0000000000570000-0x00000000005F4000-memory.dmp

Filesize
528KB

Download
memory/2980-5-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2980-4-0x0000000073EAE000-0x0000000073EAF000-memory.dmp

Filesize
4KB

Download
memory/2980-20-0x0000000073EA0000-0x000000007458E000-memory.dmp

Filesize
6.9MB

Download
memory/2980-3-0x0000000000280000-0x000000000029E000-memory.dmp

Filesize
120KB

Download

Analysis

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