agenttesla | 7dd88bb379949c90207a5d476d7318ba98ccb6cb7853409c6d323febd28d318d

General

Target

Confirmación transferencia interbancaria.exe
Size

539KB
MD5

be37ea5702226bf6ed17a5031c2d75d0
SHA1

c398fd238eb4c706ea7aff5c24cc0eaf93bcf077
SHA256

7dd88bb379949c90207a5d476d7318ba98ccb6cb7853409c6d323febd28d318d
SHA512

dbccef3070c62d1fa2fad4f81e1a8cf8d8a86e3a3e4b81a7dffa928110f7d2f1dc426141c28a52be70a0beaaed1d9d8cfc0079294fc85b06089d0c5e584e8906
SSDEEP

12288:LquErHF6xC9D6DmR1J98w4oknqOOCyQfDp0ZOJovZNf9t7:Srl6kD68JmlotQfaZz7f7

Score

10^/10

agenttesla discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.stingatoareincendii.ro
Port:
21
Username:
[email protected]
Password:
3.*RYhlG)lkA

Signatures

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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
13	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/4912-18-0x00000000001E0000-0x000000000031A000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4912 set thread context of 704	4912	Confirmación transferencia interbancaria.exe	83

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4912-0-0x00000000001E0000-0x000000000031A000-memory.dmp	upx
behavioral2/memory/4912-18-0x00000000001E0000-0x000000000031A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4584	4912	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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	Confirmación transferencia interbancaria.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
704	RegSvcs.exe
704	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
4912	Confirmación transferencia interbancaria.exe
4912	Confirmación transferencia interbancaria.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	704	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4912	Confirmación transferencia interbancaria.exe
4912	Confirmación transferencia interbancaria.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4912	Confirmación transferencia interbancaria.exe
4912	Confirmación transferencia interbancaria.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 704	4912	Confirmación transferencia interbancaria.exe	83
PID 4912 wrote to memory of 704	4912	Confirmación transferencia interbancaria.exe	83
PID 4912 wrote to memory of 704	4912	Confirmación transferencia interbancaria.exe	83
PID 4912 wrote to memory of 704	4912	Confirmación transferencia interbancaria.exe	83

C:\Users\Admin\AppData\Local\Temp\Confirmación transferencia interbancaria.exe
"C:\Users\Admin\AppData\Local\Temp\Confirmación transferencia interbancaria.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Confirmación transferencia interbancaria.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:704
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 716
  2⤵
  - Program crash
  PID:4584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4912 -ip 4912
1⤵
PID:1060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/704-16-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/704-12-0x0000000000520000-0x0000000000562000-memory.dmp

Filesize
264KB

Download
memory/704-13-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/704-14-0x0000000005080000-0x0000000005624000-memory.dmp

Filesize
5.6MB

Download
memory/704-15-0x0000000004B80000-0x0000000004BE6000-memory.dmp

Filesize
408KB

Download
memory/704-19-0x00000000060E0000-0x0000000006130000-memory.dmp

Filesize
320KB

Download
memory/704-20-0x00000000061D0000-0x0000000006262000-memory.dmp

Filesize
584KB

Download
memory/704-21-0x0000000006160000-0x000000000616A000-memory.dmp

Filesize
40KB

Download
memory/704-22-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/704-23-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4912-11-0x0000000002180000-0x0000000002184000-memory.dmp

Filesize
16KB

Download
memory/4912-0-0x00000000001E0000-0x000000000031A000-memory.dmp

Filesize
1.2MB

Download
memory/4912-18-0x00000000001E0000-0x000000000031A000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing