agenttesla | 86e4d942eaadae137e4730335406fe6f40cf5ee188b1c53b06cfb1e9a8033eb3

General

Target

UXeLnG40fQKjVMO.exe
Size

564KB
MD5

317e3a35af7cf8c2084ee8d996fa5af5
SHA1

cb1ef60d0971c53ddb36240886797e8a14155d7c
SHA256

6b6c3c4778e2ace06259417b71dee51867d17fcc1a23ac4c779fc83b08c853ec
SHA512

ac05e610858a855f8fccef5dc4bc2beda07cd71c7c09725c07798533c9f4280b3eaa15ae6b428e500c1c9e2d90a633903c34298216a07ab066b08652c6d6520c

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
kelechi12

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1696-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1696-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1696-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1696-67-0x0000000000446F8E-mapping.dmp	family_agenttesla
behavioral1/memory/1696-69-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1696-71-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

UXeLnG40fQKjVMO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	UXeLnG40fQKjVMO.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	UXeLnG40fQKjVMO.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	UXeLnG40fQKjVMO.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

UXeLnG40fQKjVMO.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\fWupL = "C:\\Users\\Admin\\AppData\\Roaming\\fWupL\\fWupL.exe"	UXeLnG40fQKjVMO.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

UXeLnG40fQKjVMO.exe

description pid process target process

PID 1116 set thread context of 1696 1116 UXeLnG40fQKjVMO.exe UXeLnG40fQKjVMO.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1456 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

UXeLnG40fQKjVMO.exeUXeLnG40fQKjVMO.exe

pid process

1116 UXeLnG40fQKjVMO.exe
1116 UXeLnG40fQKjVMO.exe
1696 UXeLnG40fQKjVMO.exe
1696 UXeLnG40fQKjVMO.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

UXeLnG40fQKjVMO.exeUXeLnG40fQKjVMO.exe

description pid process

Token: SeDebugPrivilege 1116 UXeLnG40fQKjVMO.exe
Token: SeDebugPrivilege 1696 UXeLnG40fQKjVMO.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

UXeLnG40fQKjVMO.exe

pid process

1696 UXeLnG40fQKjVMO.exe

description	pid	process	target process
PID 1116 set thread context of 1696	1116	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe

pid	process
1456	schtasks.exe

pid	process
1116	UXeLnG40fQKjVMO.exe
1116	UXeLnG40fQKjVMO.exe
1696	UXeLnG40fQKjVMO.exe
1696	UXeLnG40fQKjVMO.exe

description	pid	process
Token: SeDebugPrivilege	1116	UXeLnG40fQKjVMO.exe
Token: SeDebugPrivilege	1696	UXeLnG40fQKjVMO.exe

pid	process
1696	UXeLnG40fQKjVMO.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

UXeLnG40fQKjVMO.exe

description	pid	process	target process
PID 1116 wrote to memory of 1456	1116	UXeLnG40fQKjVMO.exe	schtasks.exe
PID 1116 wrote to memory of 1456	1116	UXeLnG40fQKjVMO.exe	schtasks.exe
PID 1116 wrote to memory of 1456	1116	UXeLnG40fQKjVMO.exe	schtasks.exe
PID 1116 wrote to memory of 1456	1116	UXeLnG40fQKjVMO.exe	schtasks.exe
PID 1116 wrote to memory of 1696	1116	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe
PID 1116 wrote to memory of 1696	1116	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe
PID 1116 wrote to memory of 1696	1116	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe
PID 1116 wrote to memory of 1696	1116	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe
PID 1116 wrote to memory of 1696	1116	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe
PID 1116 wrote to memory of 1696	1116	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe
PID 1116 wrote to memory of 1696	1116	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe
PID 1116 wrote to memory of 1696	1116	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe
PID 1116 wrote to memory of 1696	1116	UXeLnG40fQKjVMO.exe	UXeLnG40fQKjVMO.exe

outlook_office_path 1 IoCs

Processes:

UXeLnG40fQKjVMO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	UXeLnG40fQKjVMO.exe

outlook_win_path 1 IoCs

Processes:

UXeLnG40fQKjVMO.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	UXeLnG40fQKjVMO.exe

C:\Users\Admin\AppData\Local\Temp\UXeLnG40fQKjVMO.exe
"C:\Users\Admin\AppData\Local\Temp\UXeLnG40fQKjVMO.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1116

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dXsGjw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7EE.tmp"
2⤵
- Creates scheduled task(s)
PID:1456

C:\Users\Admin\AppData\Local\Temp\UXeLnG40fQKjVMO.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1696

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7EE.tmp

Filesize
1KB

MD5
2f20740a32c79c946096209481bab43a

SHA1
cf1f826eb4e644446c1130a29b83ca788ba9f0c9

SHA256
4d7457299c1aed454be28e16d3178d43c59d0842b3f14f475e6c7d9532fe1b5d

SHA512
e048653748f49dc97f97707aec3860cb48d5bd25830d7d86d5e061be3b41344c20d4aba8bea2452401cd269d3a42458cd4dd95481000ad1d8ec15d8b85c8b4d9

Download Submit
memory/1116-57-0x0000000004F60000-0x0000000004FC2000-memory.dmp

Filesize
392KB

Download
memory/1116-56-0x0000000000520000-0x0000000000530000-memory.dmp

Filesize
64KB

Download
memory/1116-54-0x0000000000FF0000-0x0000000001084000-memory.dmp

Filesize
592KB

Download
memory/1116-58-0x00000000050E0000-0x000000000512C000-memory.dmp

Filesize
304KB

Download
memory/1116-55-0x00000000755C1000-0x00000000755C3000-memory.dmp

Filesize
8KB

Download
memory/1456-59-0x0000000000000000-mapping.dmp

Download
memory/1696-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1696-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1696-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1696-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1696-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1696-67-0x0000000000446F8E-mapping.dmp

Download
memory/1696-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1696-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads