agenttesla | 9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f

General

Target

9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe
Size

720KB
MD5

9235b8892e965dc5554dcd81f0587fd0
SHA1

ebb5ad393207f07b11c6efd5c387c596d6289920
SHA256

9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f
SHA512

8f1f1ae09e847ac261016fecdcb57fae0775327cb8ede35ef4232857d16bef8c80a080d4c003f694a6b95f4addf62db043e4a7b491c2a9c1f6d7ec8c81b83acb
SSDEEP

12288:42iNHWZYd1DJhh2zziQrtkeogNdD2KBhGmwp1KuLUzfWkqR3Oj0vw6OKvIGc2:41BB2zzX920hGdUzBG380bOCx

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.jeanclutchgroup.top
Port:
587
Username:
[email protected]
Password:
os8Nkq9A~qSn
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.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
21	api.ipify.org
20	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4292 set thread context of 3404	4292	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe	93

System Location Discovery: System Language Discovery 1 TTPs 2 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	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3404	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe
3404	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3404	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4292 wrote to memory of 3404	4292	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe	93
PID 4292 wrote to memory of 3404	4292	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe	93
PID 4292 wrote to memory of 3404	4292	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe	93
PID 4292 wrote to memory of 3404	4292	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe	93
PID 4292 wrote to memory of 3404	4292	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe	93
PID 4292 wrote to memory of 3404	4292	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe	93
PID 4292 wrote to memory of 3404	4292	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe	93
PID 4292 wrote to memory of 3404	4292	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe

C:\Users\Admin\AppData\Local\Temp\9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe
"C:\Users\Admin\AppData\Local\Temp\9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4292
- C:\Users\Admin\AppData\Local\Temp\9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe
  "C:\Users\Admin\AppData\Local\Temp\9a6f5e16552d185a6bf7d82cafe02a49a982066ab8035c175bcbd7d0ae0c550f.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3404-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3404-19-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3404-18-0x0000000006F40000-0x0000000006F90000-memory.dmp

Filesize
320KB

Download
memory/3404-17-0x00000000058C0000-0x0000000005926000-memory.dmp

Filesize
408KB

Download
memory/3404-16-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/3404-14-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4292-4-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4292-7-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

Filesize
4KB

Download
memory/4292-8-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4292-9-0x0000000005480000-0x0000000005490000-memory.dmp

Filesize
64KB

Download
memory/4292-10-0x0000000008360000-0x00000000083E4000-memory.dmp

Filesize
528KB

Download
memory/4292-11-0x000000000B920000-0x000000000B9BC000-memory.dmp

Filesize
624KB

Download
memory/4292-6-0x0000000005460000-0x000000000547A000-memory.dmp

Filesize
104KB

Download
memory/4292-5-0x0000000005190000-0x000000000519A000-memory.dmp

Filesize
40KB

Download
memory/4292-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

Filesize
4KB

Download
memory/4292-15-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4292-3-0x0000000005200000-0x0000000005292000-memory.dmp

Filesize
584KB

Download
memory/4292-2-0x0000000005710000-0x0000000005CB4000-memory.dmp

Filesize
5.6MB

Download
memory/4292-1-0x0000000000810000-0x00000000008CA000-memory.dmp

Filesize
744KB

Download

Analysis

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