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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1492-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/1492-14-0x000000000043770E-mapping.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-1-5-21-1985363256-3005190890-1182679451-1000\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 644 set thread context of 1492 644 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

2588 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Invoice.exeInvoice.exe

pid process

644 Invoice.exe
1492 Invoice.exe
1492 Invoice.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Invoice.exeInvoice.exe

description pid process

Token: SeDebugPrivilege 644 Invoice.exe
Token: SeDebugPrivilege 1492 Invoice.exe

description	pid	process	target process
PID 644 set thread context of 1492	644	Invoice.exe	Invoice.exe

pid	process
2588	schtasks.exe

pid	process
644	Invoice.exe
1492	Invoice.exe
1492	Invoice.exe

description	pid	process
Token: SeDebugPrivilege	644	Invoice.exe
Token: SeDebugPrivilege	1492	Invoice.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Invoice.exe

description	pid	process	target process
PID 644 wrote to memory of 2588	644	Invoice.exe	schtasks.exe
PID 644 wrote to memory of 2588	644	Invoice.exe	schtasks.exe
PID 644 wrote to memory of 2588	644	Invoice.exe	schtasks.exe
PID 644 wrote to memory of 1492	644	Invoice.exe	Invoice.exe
PID 644 wrote to memory of 1492	644	Invoice.exe	Invoice.exe
PID 644 wrote to memory of 1492	644	Invoice.exe	Invoice.exe
PID 644 wrote to memory of 1492	644	Invoice.exe	Invoice.exe
PID 644 wrote to memory of 1492	644	Invoice.exe	Invoice.exe
PID 644 wrote to memory of 1492	644	Invoice.exe	Invoice.exe
PID 644 wrote to memory of 1492	644	Invoice.exe	Invoice.exe
PID 644 wrote to memory of 1492	644	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:644

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HJvblDxf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1389.tmp"
2⤵
- Creates scheduled task(s)
PID:2588

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:1492

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Invoice.exe.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1389.tmp
MD5
fe029cda93c278b0cb498873a1cbc47e

SHA1
503ccdc82a974c714cf4ee43d7da559c4f7098c8

SHA256
454749d326df136f994c255eeda28185953742d55da5b20ae63e349d8ed1b54b

SHA512
a089689e277d30d008885ebb24e933cab329b3527a314966cfff422b8c9f0c4efd81476925e1972b4efae6a249dc2ff3ac8e39d006890deaa93a83c74b424a72

Download Submit
memory/644-7-0x0000000005730000-0x0000000005731000-memory.dmp

Filesize
4KB

Download
memory/644-5-0x0000000005A30000-0x0000000005A31000-memory.dmp

Filesize
4KB

Download
memory/644-2-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/644-8-0x0000000005A00000-0x0000000005A0E000-memory.dmp

Filesize
56KB

Download
memory/644-9-0x0000000007BB0000-0x0000000007C4E000-memory.dmp

Filesize
632KB

Download
memory/644-10-0x0000000007CF0000-0x0000000007CF1000-memory.dmp

Filesize
4KB

Download
memory/644-3-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

Filesize
4KB

Download
memory/644-6-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/1492-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1492-14-0x000000000043770E-mapping.dmp

Download
memory/1492-16-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Filesize
6.9MB

Download
memory/1492-21-0x00000000051C0000-0x00000000051C1000-memory.dmp

Filesize
4KB

Download
memory/1492-22-0x0000000005D20000-0x0000000005D21000-memory.dmp

Filesize
4KB

Download
memory/2588-11-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads