agenttesla | 01b10e69f2bf67fdd929c4cb584dd248a71ad447eb460787f9e2ba34129ac4c3

Resubmissions

27/12/2022, 14:34

221227-rxqn8afa54 10

27/12/2022, 14:34

221227-rxfh9afa52 10

25/12/2022, 11:46

221225-nxcwksee8w 10

Analysis

max time kernel
144s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2022, 11:46

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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-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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-1-5-21-929662420-1054238289-2961194603-1000\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
38	api.ipify.org
39	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4964 set thread context of 1280	4964	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	88

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1280	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe
1280	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe
1280	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1280	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4964 wrote to memory of 1280	4964	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	88
PID 4964 wrote to memory of 1280	4964	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	88
PID 4964 wrote to memory of 1280	4964	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	88
PID 4964 wrote to memory of 1280	4964	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	88
PID 4964 wrote to memory of 1280	4964	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	88
PID 4964 wrote to memory of 1280	4964	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	88
PID 4964 wrote to memory of 1280	4964	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	88
PID 4964 wrote to memory of 1280	4964	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\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:4964
- 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:1280

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

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/1280-138-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1280-140-0x00000000061C0000-0x0000000006226000-memory.dmp

Filesize
408KB

Download
memory/1280-141-0x0000000007310000-0x0000000007360000-memory.dmp

Filesize
320KB

Download
memory/4964-132-0x00000000005C0000-0x00000000006C4000-memory.dmp

Filesize
1.0MB

Download
memory/4964-133-0x0000000005600000-0x0000000005BA4000-memory.dmp

Filesize
5.6MB

Download
memory/4964-134-0x00000000050F0000-0x0000000005182000-memory.dmp

Filesize
584KB

Download
memory/4964-135-0x0000000005070000-0x000000000507A000-memory.dmp

Filesize
40KB

Download
memory/4964-136-0x0000000007BD0000-0x0000000007C6C000-memory.dmp

Filesize
624KB

Download