agenttesla | f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c

General

Target

f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe
Size

677KB
MD5

bea4f13b68a1437b995cf2fcf05e68f0
SHA1

ca801f10bd5b786b60891a6e65994f82ffc32ec7
SHA256

f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c
SHA512

138ce2d56bd59e63c7a1b1102f2d9f45bcc28647e521afa317ea7f214675d3c5affe8a85b0ef9d1232f864ad31620def7f534e2533e87d780b1652c9ae92db96
SSDEEP

12288:O3m+vY07/kbXc5ZsdcbjEJipYgxcbp80Ua7QvFH/igv+ZPUcRwL:4m0/kqJci/cbpB8lqgSUc6

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
server320.web-hosting.com
Port:
587
Username:
[email protected]
Password:
m#+f(b5{XRR3
Email To:
[email protected]

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RMBJLaF = "C:\\Users\\Admin\\AppData\\Roaming\\RMBJLaF\\RMBJLaF.exe"	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.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
26	api.ipify.org
27	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2980 set thread context of 1044	2980	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe	94

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2980	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe
2980	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2980	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe
Token: SeDebugPrivilege	1044	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 1152	2980	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe	93
PID 2980 wrote to memory of 1152	2980	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe	93
PID 2980 wrote to memory of 1152	2980	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe	93
PID 2980 wrote to memory of 1044	2980	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe	94
PID 2980 wrote to memory of 1044	2980	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe	94
PID 2980 wrote to memory of 1044	2980	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe	94
PID 2980 wrote to memory of 1044	2980	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe	94
PID 2980 wrote to memory of 1044	2980	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe	94
PID 2980 wrote to memory of 1044	2980	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe	94
PID 2980 wrote to memory of 1044	2980	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe	94
PID 2980 wrote to memory of 1044	2980	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe	94

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe

C:\Users\Admin\AppData\Local\Temp\f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe
"C:\Users\Admin\AppData\Local\Temp\f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2980
- C:\Users\Admin\AppData\Local\Temp\f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe
  "C:\Users\Admin\AppData\Local\Temp\f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe"
  2⤵
  PID:1152
- C:\Users\Admin\AppData\Local\Temp\f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe
  "C:\Users\Admin\AppData\Local\Temp\f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1044

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

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\f2ea300dc80eddee0a6887ea6c61f7860bff20164ebe432ebb262b4d21a3265c.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1044-140-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1044-148-0x0000000004D60000-0x0000000004D70000-memory.dmp

Filesize
64KB

Download
memory/1044-147-0x0000000006B50000-0x0000000006D12000-memory.dmp

Filesize
1.8MB

Download
memory/1044-146-0x0000000006800000-0x0000000006850000-memory.dmp

Filesize
320KB

Download
memory/1044-144-0x0000000004D60000-0x0000000004D70000-memory.dmp

Filesize
64KB

Download
memory/1044-143-0x0000000004D70000-0x0000000004DD6000-memory.dmp

Filesize
408KB

Download
memory/2980-136-0x0000000005B40000-0x0000000005B50000-memory.dmp

Filesize
64KB

Download
memory/2980-139-0x0000000006A40000-0x0000000006ADC000-memory.dmp

Filesize
624KB

Download
memory/2980-138-0x0000000005B40000-0x0000000005B50000-memory.dmp

Filesize
64KB

Download
memory/2980-137-0x0000000005980000-0x000000000598A000-memory.dmp

Filesize
40KB

Download
memory/2980-133-0x0000000000F10000-0x0000000000FC0000-memory.dmp

Filesize
704KB

Download
memory/2980-135-0x00000000059C0000-0x0000000005A52000-memory.dmp

Filesize
584KB

Download
memory/2980-134-0x0000000005ED0000-0x0000000006474000-memory.dmp

Filesize
5.6MB

Download

Analysis

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