agenttesla | 2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d

General

Target

2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe
Size

941KB
MD5

42555dbdcc01fddb6e68265cc5704b5b
SHA1

543e5153ad0bc094841e40330567ac8e9abb2d48
SHA256

2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d
SHA512

027029b37e79edf8f5156e6d651c5aca4608a6ccad14eac33c32a0c92b4814f43c59ae1f46fba454d21af6d5de9fcbd8f6a6b99bd4db2c7d19915adf9416107f
SSDEEP

12288:I2dhHhAIqUmkY/Tz9P+okSieKdNBJrC2lZNYheNhlK:5dhBArUmxrBP+BSGdC2lQeFK

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://beirutrest.com
Port:
21
Username:
[email protected]
Password:
9yXQ39wz(uL+

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

pid	Process
2936	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 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 2700 set thread context of 2752	2700	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.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	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2752	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe
2752	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe
2936	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2752	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe
Token: SeDebugPrivilege	2936	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2936	2700	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe	30
PID 2700 wrote to memory of 2936	2700	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe	30
PID 2700 wrote to memory of 2936	2700	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe	30
PID 2700 wrote to memory of 2936	2700	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe	30
PID 2700 wrote to memory of 2752	2700	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe	32
PID 2700 wrote to memory of 2752	2700	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe	32
PID 2700 wrote to memory of 2752	2700	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe	32
PID 2700 wrote to memory of 2752	2700	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe	32
PID 2700 wrote to memory of 2752	2700	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe	32
PID 2700 wrote to memory of 2752	2700	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe	32
PID 2700 wrote to memory of 2752	2700	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe	32
PID 2700 wrote to memory of 2752	2700	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe	32
PID 2700 wrote to memory of 2752	2700	2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe	32

C:\Users\Admin\AppData\Local\Temp\2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe
"C:\Users\Admin\AppData\Local\Temp\2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2700
- 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\2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2936
- C:\Users\Admin\AppData\Local\Temp\2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe
  "C:\Users\Admin\AppData\Local\Temp\2b1c8e28590c81630fe3c284857734161139c1998cdd28e899cd1049bf5fff0d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2752

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/2700-0-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/2700-1-0x0000000001140000-0x0000000001232000-memory.dmp

Filesize
968KB

Download
memory/2700-2-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2700-3-0x0000000000910000-0x000000000092E000-memory.dmp

Filesize
120KB

Download
memory/2700-4-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/2700-5-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2700-6-0x0000000005BD0000-0x0000000005C56000-memory.dmp

Filesize
536KB

Download
memory/2700-24-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2752-17-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2752-22-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2752-23-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2752-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2752-13-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2752-11-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2752-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2752-19-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2752-25-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2752-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2752-28-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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