agenttesla | 2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14

General

Target

2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe
Size

732KB
MD5

27b98e0345639a3ef8a18f0e083587fa
SHA1

788b7dce8b0135241dbf9d575882d83b0af7bc17
SHA256

2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14
SHA512

c6554c9bd539881723b7d5008533789076bbf3517615ef5b462505d43f2ee965e7693702be02ffe07128de5fd270952e61a24d8bd1d6e4797f8d1a94876ef558
SSDEEP

12288:IxIdYmgrbZZEj9OvfgqEdodsXfjs1pYwmwfcArlZiDMfT80EgY91xaE3Ep+P8hB:AQgXhoHg8YjJ9NlZSA5F

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.goldentravel.ec
Port:
587
Username:
[email protected]
Password:
chinadusco@5555343

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/3012-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3012-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3012-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3012-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/3012-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe

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 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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1740 set thread context of 3012	1740	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.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	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3012	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe
3012	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3012	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 3012	1740	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe	30
PID 1740 wrote to memory of 3012	1740	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe	30
PID 1740 wrote to memory of 3012	1740	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe	30
PID 1740 wrote to memory of 3012	1740	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe	30
PID 1740 wrote to memory of 3012	1740	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe	30
PID 1740 wrote to memory of 3012	1740	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe	30
PID 1740 wrote to memory of 3012	1740	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe	30
PID 1740 wrote to memory of 3012	1740	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe	30
PID 1740 wrote to memory of 3012	1740	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe

C:\Users\Admin\AppData\Local\Temp\2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe
"C:\Users\Admin\AppData\Local\Temp\2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Users\Admin\AppData\Local\Temp\2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe
  "C:\Users\Admin\AppData\Local\Temp\2c617b59bd5edc12640df918dd4288b3cbf4005df833881cc8635c327b7c9a14.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3012

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

5

T1552

Credentials In Files

4

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/1740-18-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1740-1-0x0000000000110000-0x00000000001CE000-memory.dmp

Filesize
760KB

Download
memory/1740-2-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1740-3-0x0000000000710000-0x000000000071E000-memory.dmp

Filesize
56KB

Download
memory/1740-4-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/1740-5-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1740-6-0x0000000004A10000-0x0000000004A70000-memory.dmp

Filesize
384KB

Download
memory/1740-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/3012-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3012-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3012-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3012-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3012-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3012-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3012-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3012-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3012-19-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/3012-20-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/3012-21-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/3012-22-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/3012-24-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/3012-25-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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