agenttesla | 15089b5915727c0c1a15e6e5778f7b76a86b7e861312b215cf76b7188eec925e

General

Target

RFQ-41845597.exe
Size

554KB
MD5

03ebac4b300318683abedd76cdb7bde6
SHA1

b475b0079d963fc7198cbc12f4f3447ce95da352
SHA256

9bca070ab37ea78134d5e9a5203521570bddd110e8ea8a620b702c71ecd89d54
SHA512

f9b68b6463872018f20f7fe39d94afe823bf5f47b188c90311c2f6e478822cac435fe7158307cfeb409b243d72d1e865cdc3024d6ca6461ea1bee4cc9d8a743e
SSDEEP

12288:BzpH6Ibw8eGm9/5srz16kfmTG+gkodqJFTP:BVdbw8eGm9hsn1cG+zEq

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ananthahotels.com
Port:
587
Username:
[email protected]
Password:
india225@#

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/2616-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	RFQ-41845597.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 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
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-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ-41845597.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ-41845597.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ-41845597.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4392 set thread context of 2616	4392	RFQ-41845597.exe	96

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	RFQ-41845597.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RFQ-41845597.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
652	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4392	RFQ-41845597.exe
2616	RFQ-41845597.exe
2616	RFQ-41845597.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4392	RFQ-41845597.exe
Token: SeDebugPrivilege	2616	RFQ-41845597.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4392 wrote to memory of 652	4392	RFQ-41845597.exe	93
PID 4392 wrote to memory of 652	4392	RFQ-41845597.exe	93
PID 4392 wrote to memory of 652	4392	RFQ-41845597.exe	93
PID 4392 wrote to memory of 2616	4392	RFQ-41845597.exe	96
PID 4392 wrote to memory of 2616	4392	RFQ-41845597.exe	96
PID 4392 wrote to memory of 2616	4392	RFQ-41845597.exe	96
PID 4392 wrote to memory of 2616	4392	RFQ-41845597.exe	96
PID 4392 wrote to memory of 2616	4392	RFQ-41845597.exe	96
PID 4392 wrote to memory of 2616	4392	RFQ-41845597.exe	96
PID 4392 wrote to memory of 2616	4392	RFQ-41845597.exe	96
PID 4392 wrote to memory of 2616	4392	RFQ-41845597.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ-41845597.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ-41845597.exe

C:\Users\Admin\AppData\Local\Temp\RFQ-41845597.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ-41845597.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4392
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qLfHHhQPSUpA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE53.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:652
- C:\Users\Admin\AppData\Local\Temp\RFQ-41845597.exe
  "{path}"
  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:2616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

Query Registry

1

T1012

System Information Discovery

2

T1082

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE53.tmp

Filesize
1KB

MD5
74c21f752bea30b91db6b5bc8990ac8f

SHA1
88af60704d62509c798e64f771baac82991c08ce

SHA256
4a7f8a657008e3fb2917c08f26c67e08d1355e4d2937c6a64fe262f374250b4b

SHA512
a431a32d4c79ca4d32a1211a7d3096ed59c07b4a56629f648149acae74816a47b1eb05979399e5e9ffd0485cd64426779fa4aa293d8a2866ef4176f972cc2d1e

Download Submit
memory/2616-15-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/2616-11-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/2616-18-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/2616-17-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/2616-16-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/2616-13-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/2616-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2616-14-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/4392-2-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/4392-1-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/4392-12-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/4392-0-0x0000000075122000-0x0000000075123000-memory.dmp

Filesize
4KB

Download
memory/4392-5-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/4392-4-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/4392-3-0x0000000075122000-0x0000000075123000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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