agenttesla | 29a6cdb9e68995eddc788cb46162c8c5cee32b7aa4e4fc5932bf2c6ec1fc4be9

General

Target

cotizaci¨®n.exe
Size

817KB
MD5

f3b68f20847d3e616e50bd16477d54e4
SHA1

a814d2ff9595740b47b9e8f66d4618d533adb55a
SHA256

b4f78f84d99b3981f0bd7090b096ae98776be7a8fdd50aedbb5ccb502d4f953a
SHA512

bce550bb274f2b8cffe4ea54f6008abb554f958a44db4a920e599eac971c7e8f87ac29f59fe6a977f2117c36df724370f787a50c687cd3718379338fb7e752cc
SSDEEP

24576:OthEVaPqLE6pqqfQdOpKPagiyRliTz7YhSX:WEVUcE6pqqf8PPkUI

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
4	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/memory/1812-11-0x0000000000400000-0x00000000004E2000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1812 set thread context of 2696	1812	cotizaci¨®n.exe	30

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1812-0-0x0000000000400000-0x00000000004E2000-memory.dmp	upx
behavioral1/memory/1812-11-0x0000000000400000-0x00000000004E2000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2740	1812	WerFault.exe	29

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	cotizaci¨®n.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2696	RegSvcs.exe
2696	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1812	cotizaci¨®n.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2696	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1812	cotizaci¨®n.exe
1812	cotizaci¨®n.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1812	cotizaci¨®n.exe
1812	cotizaci¨®n.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 2696	1812	cotizaci¨®n.exe	30
PID 1812 wrote to memory of 2696	1812	cotizaci¨®n.exe	30
PID 1812 wrote to memory of 2696	1812	cotizaci¨®n.exe	30
PID 1812 wrote to memory of 2696	1812	cotizaci¨®n.exe	30
PID 1812 wrote to memory of 2696	1812	cotizaci¨®n.exe	30
PID 1812 wrote to memory of 2696	1812	cotizaci¨®n.exe	30
PID 1812 wrote to memory of 2696	1812	cotizaci¨®n.exe	30
PID 1812 wrote to memory of 2696	1812	cotizaci¨®n.exe	30
PID 1812 wrote to memory of 2740	1812	cotizaci¨®n.exe	31
PID 1812 wrote to memory of 2740	1812	cotizaci¨®n.exe	31
PID 1812 wrote to memory of 2740	1812	cotizaci¨®n.exe	31
PID 1812 wrote to memory of 2740	1812	cotizaci¨®n.exe	31

C:\Users\Admin\AppData\Local\Temp\cotizaci¨®n.exe
"C:\Users\Admin\AppData\Local\Temp\cotizaci¨®n.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:1812
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\cotizaci¨®n.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2696
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1812 -s 396
  2⤵
  - Program crash
  PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1812-0-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/1812-3-0x0000000003C10000-0x0000000003E10000-memory.dmp

Filesize
2.0MB

Download
memory/1812-11-0x0000000000400000-0x00000000004E2000-memory.dmp

Filesize
904KB

Download
memory/2696-4-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2696-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2696-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2696-9-0x0000000073D3E000-0x0000000073D3F000-memory.dmp

Filesize
4KB

Download
memory/2696-10-0x0000000073D30000-0x000000007441E000-memory.dmp

Filesize
6.9MB

Download
memory/2696-12-0x0000000073D3E000-0x0000000073D3F000-memory.dmp

Filesize
4KB

Download
memory/2696-13-0x0000000073D30000-0x000000007441E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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