agenttesla | 231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24

General

Target

231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe
Size

4.7MB
MD5

6b4d9f1261c4f6e9323b9d2e74cd7b73
SHA1

0947ef1b7665232105e39da8074144eca780d98a
SHA256

231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24
SHA512

28f38ccf90ed368405fb204160a3648595d4c029fe6a319ead72a2d87d67b53403a63af0ef664a480de73ba013ee5f9d640cb3290d7f6aa20c19c61a48833ba6
SSDEEP

49152:j6oZF80z1e3Nuo5UonKzwjHP7iF0u3xl9hCY:vZFR1ykfoK8z7/aVD

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rapidmail.ec
Port:
587
Username:
[email protected]
Password:
icui4cu2@@
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2544-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2544-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2544-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2544-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2544-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2660 set thread context of 2544	2660	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe	30

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	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2544	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe
2544	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2544	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2544	2660	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe	30
PID 2660 wrote to memory of 2544	2660	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe	30
PID 2660 wrote to memory of 2544	2660	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe	30
PID 2660 wrote to memory of 2544	2660	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe	30
PID 2660 wrote to memory of 2544	2660	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe	30
PID 2660 wrote to memory of 2544	2660	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe	30
PID 2660 wrote to memory of 2544	2660	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe	30
PID 2660 wrote to memory of 2544	2660	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe	30
PID 2660 wrote to memory of 2544	2660	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe

C:\Users\Admin\AppData\Local\Temp\231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe
"C:\Users\Admin\AppData\Local\Temp\231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Users\Admin\AppData\Local\Temp\231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.exe
  "C:\Users\Admin\AppData\Local\Temp\231307dcdf9a0fc4b7b34855e44b7218f582f49b16ddb4ad55fad063afa74f24.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:2544

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

2

T1552

Credentials In Files

2

T1552.001

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

Loading Replay Monitor...

Downloads

memory/2544-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2544-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2544-26-0x0000000074830000-0x0000000074F1E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-25-0x0000000074830000-0x0000000074F1E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-24-0x0000000074830000-0x0000000074F1E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-22-0x0000000074830000-0x0000000074F1E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2544-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2544-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2544-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2544-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2544-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2660-1-0x0000000000B60000-0x0000000001012000-memory.dmp

Filesize
4.7MB

Download
memory/2660-7-0x0000000004770000-0x00000000047BA000-memory.dmp

Filesize
296KB

Download
memory/2660-6-0x0000000005F80000-0x0000000005FFE000-memory.dmp

Filesize
504KB

Download
memory/2660-0-0x000000007483E000-0x000000007483F000-memory.dmp

Filesize
4KB

Download
memory/2660-5-0x0000000074830000-0x0000000074F1E000-memory.dmp

Filesize
6.9MB

Download
memory/2660-23-0x0000000074830000-0x0000000074F1E000-memory.dmp

Filesize
6.9MB

Download
memory/2660-4-0x000000007483E000-0x000000007483F000-memory.dmp

Filesize
4KB

Download
memory/2660-3-0x00000000006A0000-0x00000000006C2000-memory.dmp

Filesize
136KB

Download
memory/2660-2-0x0000000074830000-0x0000000074F1E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing