agenttesla | 41a62dff86937cca1a97d13d1fcedc04233e8d14feba2bd8389d5a2957b1e505

Analysis

max time kernel
94s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 01:12

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General

Target

OC 90073767.exe
Size

552KB
MD5

8faa09f01bb31e3b8894c68ab5cdf475
SHA1

77b8b6a3e7cab083b4c05f5ab25889680a21e1b9
SHA256

73bf065eabac20e8486f86f1cc1e187b1e04adc12938e0bbb8c7b8852be0c2d8
SHA512

8e030bd798cfc6863a55554d60eae958ba5bca3fd87c05ed9603456cdf36fed5b3b443d7a06693395d92c407121e9d1243f0688a67cd97703f17d7041620f90f
SSDEEP

12288:uquErHF6xC9D6DmR1J98w4oknqOOCyQfEGj/1jPy5Rfw:jrl6kD68JmlotQf3j68

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
15	ip-api.com

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2544-14-0x0000000000B90000-0x0000000000CD0000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2544 set thread context of 4752	2544	OC 90073767.exe	83

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2544-0-0x0000000000B90000-0x0000000000CD0000-memory.dmp	upx
behavioral2/memory/2544-14-0x0000000000B90000-0x0000000000CD0000-memory.dmp	upx

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	OC 90073767.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4752	RegSvcs.exe
4752	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2544	OC 90073767.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4752	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2544	OC 90073767.exe
2544	OC 90073767.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2544	OC 90073767.exe
2544	OC 90073767.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 4752	2544	OC 90073767.exe	83
PID 2544 wrote to memory of 4752	2544	OC 90073767.exe	83
PID 2544 wrote to memory of 4752	2544	OC 90073767.exe	83
PID 2544 wrote to memory of 4752	2544	OC 90073767.exe	83

C:\Users\Admin\AppData\Local\Temp\OC 90073767.exe
"C:\Users\Admin\AppData\Local\Temp\OC 90073767.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:2544
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\OC 90073767.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2544-14-0x0000000000B90000-0x0000000000CD0000-memory.dmp

Filesize
1.2MB

Download
memory/2544-11-0x0000000001680000-0x0000000001684000-memory.dmp

Filesize
16KB

Download
memory/2544-0-0x0000000000B90000-0x0000000000CD0000-memory.dmp

Filesize
1.2MB

Download
memory/4752-17-0x00000000057F0000-0x0000000005856000-memory.dmp

Filesize
408KB

Download
memory/4752-15-0x0000000073A1E000-0x0000000073A1F000-memory.dmp

Filesize
4KB

Download
memory/4752-16-0x0000000005C90000-0x0000000006234000-memory.dmp

Filesize
5.6MB

Download
memory/4752-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/4752-18-0x0000000073A10000-0x00000000741C0000-memory.dmp

Filesize
7.7MB

Download
memory/4752-19-0x0000000006960000-0x00000000069B0000-memory.dmp

Filesize
320KB

Download
memory/4752-20-0x0000000006A50000-0x0000000006AE2000-memory.dmp

Filesize
584KB

Download
memory/4752-21-0x00000000069F0000-0x00000000069FA000-memory.dmp

Filesize
40KB

Download
memory/4752-22-0x0000000073A1E000-0x0000000073A1F000-memory.dmp

Filesize
4KB

Download
memory/4752-23-0x0000000073A10000-0x00000000741C0000-memory.dmp

Filesize
7.7MB

Download