agenttesla | 49c4ccb66851d9f01f95a8c8d0b68110e8e66bfb36cdecc5637de97ab8c08082

General

Target

Invoice.exe
Size

696KB
MD5

f1ce02a0161b6b260bef7b0ddf49412b
SHA1

a35bb9b5a57e5b1821b0bfbe33919436a565292b
SHA256

49c4ccb66851d9f01f95a8c8d0b68110e8e66bfb36cdecc5637de97ab8c08082
SHA512

7b46e7261b07700bbe7ed0dfd0167779ab992fca71b64b82204aa917ceb848dc6e9f5f087513557d286f4d1acfaa006aaf0dea410d50401fd93fc25630ed05de

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.orionfeshion.com
Port:
587
Username:
wagasurelogs@orionfeshion.com
Password:
LiPwzbc5

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/400-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/400-10-0x000000000043770E-mapping.dmp	family_agenttesla
behavioral1/memory/400-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/400-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

Invoice.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts Invoice.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Invoice.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Invoice.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\xxtDxM = "C:\\Users\\Admin\\AppData\\Roaming\\xxtDxM\\xxtDxM.exe"	Invoice.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Invoice.exe

description pid process target process

PID 1584 set thread context of 400 1584 Invoice.exe Invoice.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

1632 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Invoice.exeInvoice.exe

pid process

1584 Invoice.exe
400 Invoice.exe
400 Invoice.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Invoice.exeInvoice.exe

description pid process

Token: SeDebugPrivilege 1584 Invoice.exe
Token: SeDebugPrivilege 400 Invoice.exe

description	pid	process	target process
PID 1584 set thread context of 400	1584	Invoice.exe	Invoice.exe

pid	process
1632	schtasks.exe

pid	process
1584	Invoice.exe
400	Invoice.exe
400	Invoice.exe

description	pid	process
Token: SeDebugPrivilege	1584	Invoice.exe
Token: SeDebugPrivilege	400	Invoice.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Invoice.exe

description	pid	process	target process
PID 1584 wrote to memory of 1632	1584	Invoice.exe	schtasks.exe
PID 1584 wrote to memory of 1632	1584	Invoice.exe	schtasks.exe
PID 1584 wrote to memory of 1632	1584	Invoice.exe	schtasks.exe
PID 1584 wrote to memory of 1632	1584	Invoice.exe	schtasks.exe
PID 1584 wrote to memory of 400	1584	Invoice.exe	Invoice.exe
PID 1584 wrote to memory of 400	1584	Invoice.exe	Invoice.exe
PID 1584 wrote to memory of 400	1584	Invoice.exe	Invoice.exe
PID 1584 wrote to memory of 400	1584	Invoice.exe	Invoice.exe
PID 1584 wrote to memory of 400	1584	Invoice.exe	Invoice.exe
PID 1584 wrote to memory of 400	1584	Invoice.exe	Invoice.exe
PID 1584 wrote to memory of 400	1584	Invoice.exe	Invoice.exe
PID 1584 wrote to memory of 400	1584	Invoice.exe	Invoice.exe
PID 1584 wrote to memory of 400	1584	Invoice.exe	Invoice.exe

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1584

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HJvblDxf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8F83.tmp"
2⤵
- Creates scheduled task(s)
PID:1632

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:400

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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8F83.tmp
MD5
3bd62df8bf9aed15e1675dc025cba7e0

SHA1
1efdc94cc2df2166598ee37b4eeb5fd043df08b3

SHA256
122d5c9d73413c8fda322ec8e1a4d3e89a33af28bf9062dad159a85c325d7be6

SHA512
15c3df9b5847344db6f01c2c585054cc9add34e53fdfd25e9a8fd2b4817ad65918fada3401e0599c4e4af9b6715cee41fcd1b5a9b603719d9ca016a59f559a1d

Download Submit
memory/400-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/400-10-0x000000000043770E-mapping.dmp

Download
memory/400-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/400-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/400-13-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/1584-2-0x0000000074670000-0x0000000074D5E000-memory.dmp

Filesize
6.9MB

Download
memory/1584-3-0x0000000001250000-0x0000000001251000-memory.dmp

Filesize
4KB

Download
memory/1584-5-0x00000000002A0000-0x00000000002AE000-memory.dmp

Filesize
56KB

Download
memory/1584-6-0x0000000005350000-0x00000000053EE000-memory.dmp

Filesize
632KB

Download
memory/1632-7-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads