agenttesla | 4d1a305677b40f091cf32c5da328764a0db60b8335da93367156170acb75f873

General

Target

TRAIL_OR.exe
Size

454KB
MD5

40c8f1776c47303a528127337fd1c0fc
SHA1

a8a8647ecb05233494caceca326bb8a7196e3166
SHA256

a669a995b5d4c7db8aa1ab4c0455477d56b16877ed72d1652f7584f1799b1d0a
SHA512

2d1149da45c7f87bf60ab2455f087a2561338c5c57795e67d920947b4aff5ac773e8aca3fadaf152de56721139ea279e27bec49532cc22700c1e9e7af449abd1

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1672-61-0x0000000004DE0000-0x0000000004E2C000-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:

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

TRAIL_OR.exe

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

1476 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

TRAIL_OR.exe

pid process

1672 TRAIL_OR.exe
1672 TRAIL_OR.exe
1672 TRAIL_OR.exe
1672 TRAIL_OR.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

TRAIL_OR.exe

description pid process

Token: SeDebugPrivilege 1672 TRAIL_OR.exe

pid	process
1476	schtasks.exe

pid	process
1672	TRAIL_OR.exe
1672	TRAIL_OR.exe
1672	TRAIL_OR.exe
1672	TRAIL_OR.exe

description	pid	process
Token: SeDebugPrivilege	1672	TRAIL_OR.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

TRAIL_OR.exe

description	pid	process	target process
PID 1672 wrote to memory of 1476	1672	TRAIL_OR.exe	schtasks.exe
PID 1672 wrote to memory of 1476	1672	TRAIL_OR.exe	schtasks.exe
PID 1672 wrote to memory of 1476	1672	TRAIL_OR.exe	schtasks.exe
PID 1672 wrote to memory of 1476	1672	TRAIL_OR.exe	schtasks.exe

outlook_office_path 1 IoCs

Processes:

TRAIL_OR.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	TRAIL_OR.exe

outlook_win_path 1 IoCs

Processes:

TRAIL_OR.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	TRAIL_OR.exe

C:\Users\Admin\AppData\Local\Temp\TRAIL_OR.exe
"C:\Users\Admin\AppData\Local\Temp\TRAIL_OR.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1672

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ijrRuVtejIKKP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB240.tmp"
2⤵
- Creates scheduled task(s)
PID:1476

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

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

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB240.tmp
Filesize
1KB

MD5
2ecf585c69b49a13eccfff857d52d5e9

SHA1
d472174ab58bfde4017acff7af31ef816ef5cf2e

SHA256
4ca26126edad4683ec99e383bb8fad092da125e2b23caad8ee62214ec085ad6b

SHA512
7bd6009a4c7fd00dfffca2ce53fc847c79a44a23524225e1382ef48fc74ca60a02aebc9dbaa09c003148dc51df97f7ee70f94f754e4276d7b46d96516739eaeb

Download Submit
memory/1476-59-0x0000000000000000-mapping.dmp

Download
memory/1672-54-0x0000000001020000-0x0000000001096000-memory.dmp

Filesize
472KB

Download
memory/1672-55-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/1672-56-0x0000000000330000-0x0000000000340000-memory.dmp

Filesize
64KB

Download
memory/1672-57-0x00000000005D0000-0x0000000000632000-memory.dmp

Filesize
392KB

Download
memory/1672-58-0x0000000000E80000-0x0000000000ECC000-memory.dmp

Filesize
304KB

Download
memory/1672-61-0x0000000004DE0000-0x0000000004E2C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads