agenttesla | 3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1

General

Target

3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe
Size

512KB
MD5

ebaa0f93f29a81b6649b9de835c5b1c1
SHA1

5c9d73b5e2789e2e225bd67909c1a4719c09de00
SHA256

3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1
SHA512

232dd0d6ac85538a3fc418783f23f55b191a61604adba2cd47ff2c213a227ba5c7b1df1e7954412b67c3c8cbcb35299da1a156e1ca3b6602f998bad1767d1343
SSDEEP

12288:ZwPUi2iN/UbvRATIeo6UYJ9io+eKIKZMUAr+V68JftjcAckLfv:WPUi1BULRAMeoHYni9fIeMFrD8JfvLfv

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
Everest10

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/2800-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2800-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2800-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2800-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2800-9-0x0000000000400000-0x000000000043C000-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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 560 set thread context of 2800	560	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe	29

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	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2800	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe
2800	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2800	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 560 wrote to memory of 2800	560	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe	29
PID 560 wrote to memory of 2800	560	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe	29
PID 560 wrote to memory of 2800	560	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe	29
PID 560 wrote to memory of 2800	560	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe	29
PID 560 wrote to memory of 2800	560	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe	29
PID 560 wrote to memory of 2800	560	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe	29
PID 560 wrote to memory of 2800	560	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe	29
PID 560 wrote to memory of 2800	560	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe	29
PID 560 wrote to memory of 2800	560	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe

C:\Users\Admin\AppData\Local\Temp\3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe
"C:\Users\Admin\AppData\Local\Temp\3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:560
- C:\Users\Admin\AppData\Local\Temp\3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.exe
  "C:\Users\Admin\AppData\Local\Temp\3d6b5402645ee87ca702dc94288ec81d2dfc60e1834a17955754df218ed0bdf1.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:2800

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

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Downloads

memory/560-0-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/560-1-0x00000000009E0000-0x0000000000A66000-memory.dmp

Filesize
536KB

Download
memory/560-2-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/560-3-0x00000000004E0000-0x00000000004EE000-memory.dmp

Filesize
56KB

Download
memory/560-4-0x000000007456E000-0x000000007456F000-memory.dmp

Filesize
4KB

Download
memory/560-5-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/560-6-0x0000000004E20000-0x0000000004E7E000-memory.dmp

Filesize
376KB

Download
memory/560-20-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2800-18-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2800-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2800-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2800-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2800-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2800-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2800-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2800-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2800-19-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2800-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2800-21-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download
memory/2800-22-0x0000000074560000-0x0000000074C4E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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