agenttesla | f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc

General

Target

f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe
Size

1014KB
MD5

26c27aabc7f503c9c77f004f4b909c2b
SHA1

c01b1e1eb7a532539b8626409eec93c5f7e86243
SHA256

f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc
SHA512

0182a98ab6dfec078f24a20972e42d652f8a8acc2ae707aea63c0b30dea97618843affee13de2e8bc772d9d38efd54dc219c7cdceaf2309482381b165e03259f
SSDEEP

12288:Wd4l68YdxM7KcQF8SYyKQiQGarSYSODjyVKSqmtDUHILYacpf+mDXttarruVBDUt:448888KcM86viiLz8KSqeDUHILY9

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
server323.web-hosting.com
Port:
587
Username:
[email protected]
Password:
turkey@123
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-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.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-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RMBJLaF = "C:\\Users\\Admin\\AppData\\Roaming\\RMBJLaF\\RMBJLaF.exe"	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.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
33	api.ipify.org
34	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4160 set thread context of 4448	4160	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	90

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4448	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe
4448	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe
4448	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4448	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4160 wrote to memory of 4448	4160	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	90
PID 4160 wrote to memory of 4448	4160	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	90
PID 4160 wrote to memory of 4448	4160	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	90
PID 4160 wrote to memory of 4448	4160	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	90
PID 4160 wrote to memory of 4448	4160	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	90
PID 4160 wrote to memory of 4448	4160	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	90
PID 4160 wrote to memory of 4448	4160	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	90
PID 4160 wrote to memory of 4448	4160	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe

C:\Users\Admin\AppData\Local\Temp\f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe
"C:\Users\Admin\AppData\Local\Temp\f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4160
- C:\Users\Admin\AppData\Local\Temp\f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe
  "C:\Users\Admin\AppData\Local\Temp\f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4448

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\f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/4160-132-0x0000000000760000-0x0000000000864000-memory.dmp

Filesize
1.0MB

Download
memory/4160-133-0x0000000005770000-0x0000000005D14000-memory.dmp

Filesize
5.6MB

Download
memory/4160-134-0x0000000005260000-0x00000000052F2000-memory.dmp

Filesize
584KB

Download
memory/4160-135-0x0000000005210000-0x000000000521A000-memory.dmp

Filesize
40KB

Download
memory/4160-136-0x00000000079F0000-0x0000000007A8C000-memory.dmp

Filesize
624KB

Download
memory/4448-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4448-140-0x00000000062B0000-0x0000000006316000-memory.dmp

Filesize
408KB

Download
memory/4448-141-0x0000000007400000-0x0000000007450000-memory.dmp

Filesize
320KB

Download

Analysis

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